Resolve merge conflict

.dockerignore

@@ -14,4 +14,3 @@ docker-compose*
 README.md
 LICENSE
 .vscode
-

.github/workflows/contributors.yml

@@ -0,0 +1,24 @@
+name: Contributors
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  add-contributors:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: BobAnkh/add-contributors@master
+        with:
+          CONTRIBUTOR: "## Contributors"
+          COLUMN_PER_ROW: "6"
+          ACCESS_TOKEN: ${{secrets.GITHUB_TOKEN}}
+          IMG_WIDTH: "100"
+          FONT_SIZE: "14"
+          PATH: "/README.md"
+          COMMIT_MESSAGE: "docs(README): update contributors"
+          AVATAR_SHAPE: "round"
+          BRANCH: "update-contributors"
+          PULL_REQUEST: "main"

.github/workflows/lint.yml

@@ -18,22 +18,3 @@ jobs:
       # below, but it's still much faster in the end than installing
       # golangci-lint manually in the `Run lint` step.
       - uses: golangci/golangci-lint-action@v2
-        with:
-          args: --timeout 5m
-
-      # Setup Go
-      - name: Setup Go
-        uses: actions/setup-go@v2
-        with:
-          go-version: "1.16.3" # The Go version to download (if necessary) and use.
-
-      # Install all the dependencies
-      - name: Install dependencies
-        run: |
-          go version
-          go install golang.org/x/lint/golint@latest
-          sudo apt update
-          sudo apt install -y make
-
-      - name: Run lint
-        run: make lint

.github/workflows/release.yml

@@ -11,18 +11,20 @@ jobs:
   goreleaser:
     runs-on: ubuntu-18.04 # due to CGO we need to user an older version
     steps:
-      -
+      - name: Checkout
-        name: Checkout
         uses: actions/checkout@v2
         with:
           fetch-depth: 0
-      -
+      - name: Set up Go
-        name: Set up Go
         uses: actions/setup-go@v2
         with:
           go-version: 1.16
-      -
+
-        name: Run GoReleaser
+      - name: Install dependencies
+        run: |
+          sudo apt update
+          sudo apt install -y gcc-aarch64-linux-gnu
+      - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v2
         with:
           distribution: goreleaser
@@ -34,13 +36,11 @@ jobs:
   docker-release:
     runs-on: ubuntu-latest
     steps:
-      -
+      - name: Checkout
-        name: Checkout
         uses: actions/checkout@v2
         with:
           fetch-depth: 0
-      -
+      - name: Docker meta
-        name: Docker meta
         id: meta
         uses: docker/metadata-action@v3
         with:
@@ -53,21 +53,18 @@ jobs:
             type=semver,pattern={{major}}.{{minor}}
             type=semver,pattern={{major}}
             type=sha
-      -
+      - name: Login to DockerHub
-        name: Login to DockerHub
         uses: docker/login-action@v1
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
-      -
+      - name: Login to GHCR
-        name: Login to GHCR
         uses: docker/login-action@v1
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
-      -
+      - name: Build and push
-        name: Build and push
         id: docker_build
         uses: docker/build-push-action@v2
         with:

.gitignore

@@ -16,6 +16,7 @@
 
 /headscale
 config.json
+config.yaml
 *.key
 /db.sqlite
 *.sqlite3

.golangci.yaml

@@ -0,0 +1,7 @@
+---
+run:
+  timeout: 5m
+
+issues:
+  skip-dirs:
+    - gen

.goreleaser.yml

@@ -6,7 +6,7 @@ before:
 builds:
   - id: darwin-amd64
     main: ./cmd/headscale/headscale.go
-    mod_timestamp: '{{ .CommitTimestamp }}'
+    mod_timestamp: "{{ .CommitTimestamp }}"
     goos:
       - darwin
     goarch:
@@ -23,7 +23,7 @@ builds:
 
   - id: linux-armhf
     main: ./cmd/headscale/headscale.go
-    mod_timestamp: '{{ .CommitTimestamp }}'
+    mod_timestamp: "{{ .CommitTimestamp }}"
     goos:
       - linux
     goarch:
@@ -42,7 +42,6 @@ builds:
     ldflags:
       - -s -w -X github.com/juanfont/headscale/cmd/headscale/cli.Version=v{{.Version}}
 
-
   - id: linux-amd64
     env:
       - CGO_ENABLED=1
@@ -51,7 +50,7 @@ builds:
     goarch:
       - amd64
     main: ./cmd/headscale/headscale.go
-    mod_timestamp: '{{ .CommitTimestamp }}'
+    mod_timestamp: "{{ .CommitTimestamp }}"
     ldflags:
       - -s -w -X github.com/juanfont/headscale/cmd/headscale/cli.Version=v{{.Version}}
 
@@ -60,8 +59,11 @@ builds:
       - linux
     goarch:
       - arm64
+    env:
+      - CGO_ENABLED=1
+      - CC=aarch64-linux-gnu-gcc
     main: ./cmd/headscale/headscale.go
-    mod_timestamp: '{{ .CommitTimestamp }}'
+    mod_timestamp: "{{ .CommitTimestamp }}"
     ldflags:
       - -s -w -X github.com/juanfont/headscale/cmd/headscale/cli.Version=v{{.Version}}
 
@@ -76,12 +78,12 @@ archives:
     format: binary
 
 checksum:
-  name_template: 'checksums.txt'
+  name_template: "checksums.txt"
 snapshot:
   name_template: "{{ .Tag }}-next"
 changelog:
   sort: asc
   filters:
     exclude:
-      - '^docs:'
+      - "^docs:"
-      - '^test:'
+      - "^test:"

Dockerfile

@@ -1,17 +1,24 @@
+FROM bufbuild/buf:1.0.0-rc6 as buf
+
 FROM golang:1.17.1-bullseye AS build
 ENV GOPATH /go
+WORKDIR /go/src/headscale
 
 COPY go.mod go.sum /go/src/headscale/
-WORKDIR /go/src/headscale
 RUN go mod download
 
-COPY . /go/src/headscale
+COPY . .
 
 RUN go install -a -ldflags="-extldflags=-static" -tags netgo,sqlite_omit_load_extension ./cmd/headscale
 RUN test -e /go/bin/headscale
 
 FROM ubuntu:20.04
 
+RUN apt-get update \
+    && apt-get install -y ca-certificates \
+    && update-ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+
 COPY --from=build /go/bin/headscale /usr/local/bin/headscale
 ENV TZ UTC
 

Makefile

@@ -19,9 +19,18 @@ coverprofile_html:
 	go tool cover -html=coverage.out
 
 lint:
-	golint
+	golangci-lint run --fix
-	golangci-lint run --timeout 5m
 
 compress: build
 	upx --brute headscale
 
+generate:
+	rm -rf gen
+	buf generate proto
+
+install-protobuf-plugins:
+	go install \
+		github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-grpc-gateway \
+		github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-openapiv2 \
+		google.golang.org/protobuf/cmd/protoc-gen-go \
+		google.golang.org/grpc/cmd/protoc-gen-go-grpc

README.md

@@ -6,6 +6,8 @@ An open source, self-hosted implementation of the Tailscale coordination server.
 
 Join our [Discord](https://discord.gg/XcQxk2VHjx) server for a chat.
 
+**Note:** Always select the same GitHub tag as the released version you use to ensure you have the correct example configuration and documentation. The `main` branch might contain unreleased changes.
+
 ## Overview
 
 Tailscale is [a modern VPN](https://tailscale.com/) built on top of [Wireguard](https://www.wireguard.com/). It [works like an overlay network](https://tailscale.com/blog/how-tailscale-works/) between the computers of your networks - using all kinds of [NAT traversal sorcery](https://tailscale.com/blog/how-nat-traversal-works/).
@@ -14,14 +16,14 @@ Everything in Tailscale is Open Source, except the GUI clients for proprietary O
 
 The control server works as an exchange point of Wireguard public keys for the nodes in the Tailscale network. It also assigns the IP addresses of the clients, creates the boundaries between each user, enables sharing machines between users, and exposes the advertised routes of your nodes.
 
-Headscale implements this coordination server.
+headscale implements this coordination server.
 
 ## Status
 
 - [x] Base functionality (nodes can communicate with each other)
 - [x] Node registration through the web flow
 - [x] Network changes are relayed to the nodes
-- [x] Namespace support (~equivalent to multi-user in Tailscale.com)
+- [x] Namespaces support (~tailnets in Tailscale.com naming)
 - [x] Routing (advertise & accept, including exit nodes)
 - [x] Node registration via pre-auth keys (including reusable keys, and ephemeral node support)
 - [x] JSON-formatted output
@@ -29,8 +31,8 @@ Headscale implements this coordination server.
 - [x] Taildrop (File Sharing)
 - [x] Support for alternative IP ranges in the tailnets (default Tailscale's 100.64.0.0/10)
 - [x] DNS (passing DNS servers to nodes)
-- [x] Share nodes between ~~users~~ namespaces
 - [x] Single-Sign-On (via Open ID Connect)
+- [x] Share nodes between namespaces
 - [x] MagicDNS (see `docs/`)
 
 ## Client OS support
@@ -48,253 +50,209 @@ Headscale implements this coordination server.
 
 Suggestions/PRs welcomed!
 
-## Running it
+## Running headscale
 
-1. Download the Headscale binary https://github.com/juanfont/headscale/releases, and place it somewhere in your PATH or use the docker container
+Please have a look at the documentation under [`docs/`](docs/).
 
-   ```shell
-   docker pull headscale/headscale:x.x.x
-   ```
-
-   <!--
-    or
-    ```shell
-    docker pull ghrc.io/juanfont/headscale:x.x.x
-    ``` -->
-
-2. (Optional, you can also use SQLite) Get yourself a PostgreSQL DB running
-
-   ```shell
-   docker run --name headscale -e POSTGRES_DB=headscale -e \
-     POSTGRES_USER=foo -e POSTGRES_PASSWORD=bar -p 5432:5432 -d postgres
-   ```
-
-3. Set some stuff up (headscale Wireguard keys & the config.json file)
-
-   ```shell
-   wg genkey > private.key
-   wg pubkey < private.key > public.key  # not needed
-
-   # Postgres
-   cp config.json.postgres.example config.json
-   # or
-   # SQLite
-   cp config.json.sqlite.example config.json
-   ```
-
-4. Create a namespace (a namespace is a 'tailnet', a group of Tailscale nodes that can talk to each other)
-
-   ```shell
-   headscale namespaces create myfirstnamespace
-   ```
-
-   or docker:
-
-   the db.sqlite mount is only needed if you use sqlite
-
-   ```shell
-   touch db.sqlite
-   docker run -v $(pwd)/private.key:/private.key -v $(pwd)/config.json:/config.json -v $(pwd)/derp.yaml:/derp.yaml -v $(pwd)/db.sqlite:/db.sqlite -p 127.0.0.1:8080:8080 headscale/headscale:x.x.x headscale namespaces create myfirstnamespace
-   ```
-
-   or if your server is already running in docker:
-
-   ```shell
-   docker exec <container_name> headscale create myfirstnamespace
-   ```
-
-5. (Optional) Configure an OIDC Issuer
-
-   You can optionally configure an OIDC endpoint to which your users will be redirected to authenticate with headscale. In config.json set the following parameters:
-
-   ```json
-   {
-   "oidc": {
-       "issuer": "https://your-oidc.issuer.com/path",
-       "client_id": "your-oidc-client-id",
-       "client_secret": "your-oidc-client-secret",
-       "domain_map": {
-         ".*": "default-namespace"
-       }
-   }
-
-6. Run the server
-
-   ```shell
-   headscale serve
-   ```
-
-   or docker:
-
-   the db.sqlite mount is only needed if you use sqlite
-
-   ```shell
-   docker run -v $(pwd)/private.key:/private.key -v $(pwd)/config.json:/config.json -v $(pwd)/derp.yaml:/derp.yaml -v $(pwd)/db.sqlite:/db.sqlite -p 127.0.0.1:8080:8080 headscale/headscale:x.x.x headscale serve
-   ```
-
-7. If you used tailscale.com before in your nodes, make sure you clear the tailscald data folder
-
-   ```shell
-   systemctl stop tailscaled
-   rm -fr /var/lib/tailscale
-   systemctl start tailscaled
-   ```
-
-8. Add your first machine
-
-   ```shell
-   tailscale up --login-server YOUR_HEADSCALE_URL
-   ```
-
-9. Navigate to the URL you will get with `tailscale up`, where you'll find your machine key. If OIDC is configured, once you login your user will be added to a namespace automatically, and you can skip step 10.
-
-10. In the server, register your machine to a namespace with the CLI
-    ```shell
-    headscale -n myfirstnamespace nodes register YOURMACHINEKEY
-    ```
-    or docker:
-    ```shell
-    docker run -v $(pwd)/private.key:/private.key -v $(pwd)/config.json:/config.json -v $(pwd)/derp.yaml:/derp.yaml headscale/headscale:x.x.x headscale -n myfirstnamespace nodes register YOURMACHINEKEY
-    ```
-    or if your server is already running in docker:
-    ```shell
-    docker exec <container_name> headscale -n myfirstnamespace nodes register YOURMACHINEKEY
-    ```
-
-Alternatively, you can use Auth Keys to register your machines:
-
-1. Create an authkey
-
-   ```shell
-   headscale -n myfirstnamespace preauthkeys create --reusable --expiration 24h
-   ```
-
-   or docker:
-
-   ```shell
-   docker run -v $(pwd)/private.key:/private.key -v $(pwd)/config.json:/config.json -v$(pwd)/derp.yaml:/derp.yaml -v $(pwd)/db.sqlite:/db.sqlite headscale/headscale:x.x.x headscale -n myfirstnamespace preauthkeys create --reusable --expiration 24h
-   ```
-
-   or if your server is already running in docker:
-
-   ```shell
-   docker exec <container_name> headscale -n myfirstnamespace preauthkeys create --reusable --expiration 24h
-   ```
-
-2. Use the authkey from your machine to register it
-   ```shell
-   tailscale up --login-server YOUR_HEADSCALE_URL --authkey YOURAUTHKEY
-   ```
-
-If you create an authkey with the `--ephemeral` flag, that key will create ephemeral nodes. This implies that `--reusable` is true.
-
-Please bear in mind that all the commands from headscale support adding `-o json` or `-o json-line` to get a nicely JSON-formatted output.
-
-## Configuration reference
-
-Headscale's configuration file is named `config.json` or `config.yaml`. Headscale will look for it in `/etc/headscale`, `~/.headscale` and finally the directory from where the Headscale binary is executed.
-
-```
-    "server_url": "http://192.168.1.12:8080",
-    "listen_addr": "0.0.0.0:8080",
-    "ip_prefix": "100.64.0.0/10"
-```
-
-`server_url` is the external URL via which Headscale is reachable. `listen_addr` is the IP address and port the Headscale program should listen on. `ip_prefix` is the IP prefix (range) in which IP addresses for nodes will be allocated (default 100.64.0.0/10, e.g., 192.168.4.0/24, 10.0.0.0/8)
-
-```
-    "log_level": "debug"
-```
-
-`log_level` can be used to set the Log level for Headscale, it defaults to `debug`, and the available levels are: `trace`, `debug`, `info`, `warn` and `error`.
-
-```
-    "private_key_path": "private.key",
-```
-
-`private_key_path` is the path to the Wireguard private key. If the path is relative, it will be interpreted as relative to the directory the configuration file was read from.
-
-```
-    "derp_map_path": "derp.yaml",
-```
-
-`derp_map_path` is the path to the [DERP](https://pkg.go.dev/tailscale.com/derp) map file. If the path is relative, it will be interpreted as relative to the directory the configuration file was read from.
-
-```
-    "ephemeral_node_inactivity_timeout": "30m",
-```
-
-`ephemeral_node_inactivity_timeout` is the timeout after which inactive ephemeral node records will be deleted from the database. The default is 30 minutes. This value must be higher than 65 seconds (the keepalive timeout for the HTTP long poll is 60 seconds, plus a few seconds to avoid race conditions).
-
-```
-    "db_host": "localhost",
-    "db_port": 5432,
-    "db_name": "headscale",
-    "db_user": "foo",
-    "db_pass": "bar",
-```
-
-The fields starting with `db_` are used for the PostgreSQL connection information.
-
-OpenID Connect settings:
-```
-   oidc:
-     issuer: "https://your-oidc.issuer.com/path"
-     client_id: "your-oidc-client-id"
-     client_secret: "your-oidc-client-secret"
-     domain_map:
-       ".*": default-namespace
-```
-
-
-### Running the service via TLS (optional)
-
-```
-    "tls_cert_path": ""
-    "tls_key_path": ""
-```
-
-Headscale can be configured to expose its web service via TLS. To configure the certificate and key file manually, set the `tls_cert_path` and `tls_cert_path` configuration parameters. If the path is relative, it will be interpreted as relative to the directory the configuration file was read from.
-
-```
-    "tls_letsencrypt_hostname": "",
-    "tls_letsencrypt_listen": ":http",
-    "tls_letsencrypt_cache_dir": ".cache",
-    "tls_letsencrypt_challenge_type": "HTTP-01",
-```
-
-To get a certificate automatically via [Let's Encrypt](https://letsencrypt.org/), set `tls_letsencrypt_hostname` to the desired certificate hostname. This name must resolve to the IP address(es) Headscale is reachable on (i.e., it must correspond to the `server_url` configuration parameter). The certificate and Let's Encrypt account credentials will be stored in the directory configured in `tls_letsencrypt_cache_dir`. If the path is relative, it will be interpreted as relative to the directory the configuration file was read from. The certificate will automatically be renewed as needed.
-
-#### Challenge type HTTP-01
-
-The default challenge type `HTTP-01` requires that Headscale is reachable on port 80 for the Let's Encrypt automated validation, in addition to whatever port is configured in `listen_addr`. By default, Headscale listens on port 80 on all local IPs for Let's Encrypt automated validation.
-
-If you need to change the ip and/or port used by Headscale for the Let's Encrypt validation process, set `tls_letsencrypt_listen` to the appropriate value. This can be handy if you are running Headscale as a non-root user (or can't run `setcap`). Keep in mind, however, that Let's Encrypt will _only_ connect to port 80 for the validation callback, so if you change `tls_letsencrypt_listen` you will also need to configure something else (e.g. a firewall rule) to forward the traffic from port 80 to the ip:port combination specified in `tls_letsencrypt_listen`.
-
-#### Challenge type TLS-ALPN-01
-
-Alternatively, `tls_letsencrypt_challenge_type` can be set to `TLS-ALPN-01`. In this configuration, Headscale listens on the ip:port combination defined in `listen_addr`. Let's Encrypt will _only_ connect to port 443 for the validation callback, so if `listen_addr` is not set to port 443, something else (e.g. a firewall rule) will be required to forward the traffic from port 443 to the ip:port combination specified in `listen_addr`.
-
-### Policy ACLs
-
-Headscale implements the same policy ACLs as Tailscale.com, adapted to the self-hosted environment.
-
-For instance, instead of referring to users when defining groups you must
-use namespaces (which are the equivalent to user/logins in Tailscale.com).
-
-Please check https://tailscale.com/kb/1018/acls/, and `./tests/acls/` in this repo for working examples.
-
-### Apple devices
-
-An endpoint with information on how to connect your Apple devices (currently macOS only) is available at `/apple` on your running instance.
 
 ## Disclaimer
 
 1. We have nothing to do with Tailscale, or Tailscale Inc.
 2. The purpose of writing this was to learn how Tailscale works.
 
-## More on Tailscale
+## Contributing
+
+To contribute to Headscale you would need the lastest version of [Go](golang.org) and [Buf](https://buf.build)(Protobuf generator).
+
+### Install development tools
+
+- Go
+- Buf
+- Protobuf tools:
+
+```shell 
+make install-protobuf-plugins
+```
+
+### Testing and building
+
+Some parts of the project requires the generation of Go code from Protobuf (if changes is made in `proto/`) and it must be (re-)generated with:
+
+```shell
+make generate
+```
+**Note**: Please check in changes from `gen/` in a separate commit to make it easier to review.
+
+To run the tests:
+
+```shell
+make test
+```
+
+To build the program:
+
+```shell
+make build
+```
+
+## Contributors
+
+<table>
+<tr>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/juanfont>
+            <img src=https://avatars.githubusercontent.com/u/181059?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Juan Font/>
+            <br />
+            <sub style="font-size:14px"><b>Juan Font</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/kradalby>
+            <img src=https://avatars.githubusercontent.com/u/98431?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Kristoffer Dalby/>
+            <br />
+            <sub style="font-size:14px"><b>Kristoffer Dalby</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/cure>
+            <img src=https://avatars.githubusercontent.com/u/149135?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Ward Vandewege/>
+            <br />
+            <sub style="font-size:14px"><b>Ward Vandewege</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/ohdearaugustin>
+            <img src=https://avatars.githubusercontent.com/u/14001491?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=ohdearaugustin/>
+            <br />
+            <sub style="font-size:14px"><b>ohdearaugustin</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/qbit>
+            <img src=https://avatars.githubusercontent.com/u/68368?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Aaron Bieber/>
+            <br />
+            <sub style="font-size:14px"><b>Aaron Bieber</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/ptman>
+            <img src=https://avatars.githubusercontent.com/u/24669?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Paul Tötterman/>
+            <br />
+            <sub style="font-size:14px"><b>Paul Tötterman</b></sub>
+        </a>
+    </td>
+</tr>
+<tr>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/cmars>
+            <img src=https://avatars.githubusercontent.com/u/23741?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Casey Marshall/>
+            <br />
+            <sub style="font-size:14px"><b>Casey Marshall</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/SilverBut>
+            <img src=https://avatars.githubusercontent.com/u/6560655?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Silver Bullet/>
+            <br />
+            <sub style="font-size:14px"><b>Silver Bullet</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/t56k>
+            <img src=https://avatars.githubusercontent.com/u/12165422?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=thomas/>
+            <br />
+            <sub style="font-size:14px"><b>thomas</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/awoimbee>
+            <img src=https://avatars.githubusercontent.com/u/22431493?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Arthur Woimbée/>
+            <br />
+            <sub style="font-size:14px"><b>Arthur Woimbée</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/fkr>
+            <img src=https://avatars.githubusercontent.com/u/51063?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Felix Kronlage-Dammers/>
+            <br />
+            <sub style="font-size:14px"><b>Felix Kronlage-Dammers</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/felixonmars>
+            <img src=https://avatars.githubusercontent.com/u/1006477?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Felix Yan/>
+            <br />
+            <sub style="font-size:14px"><b>Felix Yan</b></sub>
+        </a>
+    </td>
+</tr>
+<tr>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/shaananc>
+            <img src=https://avatars.githubusercontent.com/u/2287839?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Shaanan Cohney/>
+            <br />
+            <sub style="font-size:14px"><b>Shaanan Cohney</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/Teteros>
+            <img src=https://avatars.githubusercontent.com/u/5067989?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Teteros/>
+            <br />
+            <sub style="font-size:14px"><b>Teteros</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/gitter-badger>
+            <img src=https://avatars.githubusercontent.com/u/8518239?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=The Gitter Badger/>
+            <br />
+            <sub style="font-size:14px"><b>The Gitter Badger</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/tianon>
+            <img src=https://avatars.githubusercontent.com/u/161631?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Tianon Gravi/>
+            <br />
+            <sub style="font-size:14px"><b>Tianon Gravi</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/woudsma>
+            <img src=https://avatars.githubusercontent.com/u/6162978?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Tjerk Woudsma/>
+            <br />
+            <sub style="font-size:14px"><b>Tjerk Woudsma</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/zekker6>
+            <img src=https://avatars.githubusercontent.com/u/1367798?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Zakhar Bessarab/>
+            <br />
+            <sub style="font-size:14px"><b>Zakhar Bessarab</b></sub>
+        </a>
+    </td>
+</tr>
+<tr>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/derelm>
+            <img src=https://avatars.githubusercontent.com/u/465155?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=derelm/>
+            <br />
+            <sub style="font-size:14px"><b>derelm</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/ignoramous>
+            <img src=https://avatars.githubusercontent.com/u/852289?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=ignoramous/>
+            <br />
+            <sub style="font-size:14px"><b>ignoramous</b></sub>
+        </a>
+    </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/xpzouying>
+            <img src=https://avatars.githubusercontent.com/u/3946563?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=zy/>
+            <br />
+            <sub style="font-size:14px"><b>zy</b></sub>
+        </a>
+    </td>
+</tr>
+</table>
+
 
-- https://tailscale.com/blog/how-tailscale-works/
-- https://tailscale.com/blog/tailscale-key-management/
-- https://tailscale.com/blog/an-unlikely-database-migration/

api.go

@@ -44,7 +44,7 @@ func (h *Headscale) RegisterWebAPI(c *gin.Context) {
 
 	<p>
 		<code>
-			<b>headscale -n NAMESPACE nodes register %s</b>
+			<b>headscale -n NAMESPACE nodes register -k %s</b>
 		</code>
 	</p>
 
@@ -181,10 +181,11 @@ func (h *Headscale) RegistrationHandler(c *gin.Context) {
 
 		// When a client connects, it may request a specific expiry time in its
 		// RegisterRequest (https://github.com/tailscale/tailscale/blob/main/tailcfg/tailcfg.go#L634)
-		m.RequestedExpiry = &req.Expiry // RequestedExpiry is used to store the clients requested expiry time since the authentication flow is broken
+		// RequestedExpiry is used to store the clients requested expiry time since the authentication flow is broken
 		// into two steps (which cant pass arbitrary data between them easily) and needs to be
 		// retrieved again after the user has authenticated. After the authentication flow
 		// completes, RequestedExpiry is copied into Expiry.
+		m.RequestedExpiry = &req.Expiry
 
 		h.db.Save(&m)
 
@@ -239,7 +240,8 @@ func (h *Headscale) RegistrationHandler(c *gin.Context) {
 			strings.TrimSuffix(h.cfg.ServerURL, "/"), mKey.HexString())
 	}
 
-	m.RequestedExpiry = &req.Expiry                // save the requested expiry time for retrieval later in the authentication flow
+	// save the requested expiry time for retrieval later in the authentication flow
+	m.RequestedExpiry = &req.Expiry
 	m.NodeKey = wgkey.Key(req.NodeKey).HexString() // save the NodeKey
 	h.db.Save(&m)
 
@@ -305,7 +307,7 @@ func (h *Headscale) getMapResponse(mKey wgkey.Key, req tailcfg.MapRequest, m *Ma
 		DNSConfig:    dnsConfig,
 		Domain:       h.cfg.BaseDomain,
 		PacketFilter: *h.aclRules,
-		DERPMap:      h.cfg.DerpMap,
+		DERPMap:      h.DERPMap,
 		UserProfiles: profiles,
 	}
 
@@ -364,7 +366,13 @@ func (h *Headscale) getMapKeepAliveResponse(mKey wgkey.Key, req tailcfg.MapReque
 	return data, nil
 }
 
-func (h *Headscale) handleAuthKey(c *gin.Context, db *gorm.DB, idKey wgkey.Key, req tailcfg.RegisterRequest, m Machine) {
+func (h *Headscale) handleAuthKey(
+	c *gin.Context,
+	db *gorm.DB,
+	idKey wgkey.Key,
+	req tailcfg.RegisterRequest,
+	m Machine,
+) {
 	log.Debug().
 		Str("func", "handleAuthKey").
 		Str("machine", req.Hostinfo.Hostname).
@@ -425,8 +433,6 @@ func (h *Headscale) handleAuthKey(c *gin.Context, db *gorm.DB, idKey wgkey.Key,
 	m.RegisterMethod = "authKey"
 	db.Save(&m)
 
-	h.updateMachineExpiry(&m) // TODO: do we want to do different expiry times for AuthKeys?
-
 	pak.Used = true
 	db.Save(&pak)
 

app.go

@@ -1,9 +1,13 @@
 package headscale
 
 import (
+	"context"
+	"crypto/tls"
 	"errors"
 	"fmt"
+	"net"
 	"net/http"
+	"net/url"
 	"os"
 	"sort"
 	"strings"
@@ -14,12 +18,16 @@ import (
 	"github.com/patrickmn/go-cache"
 	"golang.org/x/oauth2"
 
-	"github.com/rs/zerolog/log"
-
 	"github.com/gin-gonic/gin"
+	"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
+	apiV1 "github.com/juanfont/headscale/gen/go/v1"
+	"github.com/rs/zerolog/log"
+	"github.com/soheilhy/cmux"
 	ginprometheus "github.com/zsais/go-gin-prometheus"
 	"golang.org/x/crypto/acme"
 	"golang.org/x/crypto/acme/autocert"
+	"golang.org/x/sync/errgroup"
+	"google.golang.org/grpc"
 	"gorm.io/gorm"
 	"inet.af/netaddr"
 	"tailscale.com/tailcfg"
@@ -27,16 +35,17 @@ import (
 	"tailscale.com/types/wgkey"
 )
 
-// Config contains the initial Headscale configuration
+// Config contains the initial Headscale configuration.
 type Config struct {
 	ServerURL                      string
 	Addr                           string
 	PrivateKeyPath                 string
-	DerpMap                        *tailcfg.DERPMap
 	EphemeralNodeInactivityTimeout time.Duration
 	IPPrefix                       netaddr.IPPrefix
 	BaseDomain                     string
 
+	DERP DERPConfig
+
 	DBtype string
 	DBpath string
 	DBhost string
@@ -71,7 +80,14 @@ type OIDCConfig struct {
 	MatchMap     map[string]string
 }
 
-// Headscale represents the base app of the service
+type DERPConfig struct {
+	URLs            []url.URL
+	Paths           []string
+	AutoUpdate      bool
+	UpdateFrequency time.Duration
+}
+
+// Headscale represents the base app of the service.
 type Headscale struct {
 	cfg        Config
 	db         *gorm.DB
@@ -81,6 +97,8 @@ type Headscale struct {
 	publicKey  *wgkey.Key
 	privateKey *wgkey.Private
 
+	DERPMap *tailcfg.DERPMap
+
 	aclPolicy *ACLPolicy
 	aclRules  *[]tailcfg.FilterRule
 
@@ -91,12 +109,13 @@ type Headscale struct {
 	oidcStateCache *cache.Cache
 }
 
-// NewHeadscale returns the Headscale app
+// NewHeadscale returns the Headscale app.
 func NewHeadscale(cfg Config) (*Headscale, error) {
 	content, err := os.ReadFile(cfg.PrivateKeyPath)
 	if err != nil {
 		return nil, err
 	}
+
 	privKey, err := wgkey.ParsePrivate(string(content))
 	if err != nil {
 		return nil, err
@@ -140,7 +159,10 @@ func NewHeadscale(cfg Config) (*Headscale, error) {
 		if err != nil {
 			return nil, err
 		}
+		// we might have routes already from Split DNS
+		if h.cfg.DNSConfig.Routes == nil {
 			h.cfg.DNSConfig.Routes = make(map[string][]dnstype.Resolver)
+		}
 		for _, d := range magicDNSDomains {
 			h.cfg.DNSConfig.Routes[d.WithoutTrailingDot()] = nil
 		}
@@ -149,14 +171,14 @@ func NewHeadscale(cfg Config) (*Headscale, error) {
 	return &h, nil
 }
 
-// Redirect to our TLS url
+// Redirect to our TLS url.
 func (h *Headscale) redirect(w http.ResponseWriter, req *http.Request) {
 	target := h.cfg.ServerURL + req.URL.RequestURI()
 	http.Redirect(w, req, target, http.StatusFound)
 }
 
 // expireEphemeralNodes deletes ephemeral machine records that have not been
-// seen for longer than h.cfg.EphemeralNodeInactivityTimeout
+// seen for longer than h.cfg.EphemeralNodeInactivityTimeout.
 func (h *Headscale) expireEphemeralNodes(milliSeconds int64) {
 	ticker := time.NewTicker(time.Duration(milliSeconds) * time.Millisecond)
 	for range ticker.C {
@@ -168,29 +190,39 @@ func (h *Headscale) expireEphemeralNodesWorker() {
 	namespaces, err := h.ListNamespaces()
 	if err != nil {
 		log.Error().Err(err).Msg("Error listing namespaces")
+
 		return
 	}
+
 	for _, ns := range *namespaces {
 		machines, err := h.ListMachinesInNamespace(ns.Name)
 		if err != nil {
 			log.Error().Err(err).Str("namespace", ns.Name).Msg("Error listing machines in namespace")
+
 			return
 		}
+
 		for _, m := range *machines {
-			if m.AuthKey != nil && m.LastSeen != nil && m.AuthKey.Ephemeral && time.Now().After(m.LastSeen.Add(h.cfg.EphemeralNodeInactivityTimeout)) {
+			if m.AuthKey != nil && m.LastSeen != nil && m.AuthKey.Ephemeral &&
+				time.Now().After(m.LastSeen.Add(h.cfg.EphemeralNodeInactivityTimeout)) {
 				log.Info().Str("machine", m.Name).Msg("Ephemeral client removed from database")
+
 				err = h.db.Unscoped().Delete(m).Error
 				if err != nil {
-					log.Error().Err(err).Str("machine", m.Name).Msg("🤮 Cannot delete ephemeral machine from the database")
+					log.Error().
+						Err(err).
+						Str("machine", m.Name).
+						Msg("🤮 Cannot delete ephemeral machine from the database")
 				}
 			}
 		}
+
 		h.setLastStateChangeToNow(ns.Name)
 	}
 }
 
 // WatchForKVUpdates checks the KV DB table for requests to perform tailnet upgrades
-// This is a way to communitate the CLI with the headscale server
+// This is a way to communitate the CLI with the headscale server.
 func (h *Headscale) watchForKVUpdates(milliSeconds int64) {
 	ticker := time.NewTicker(time.Duration(milliSeconds) * time.Millisecond)
 	for range ticker.C {
@@ -203,14 +235,49 @@ func (h *Headscale) watchForKVUpdatesWorker() {
 	// more functions will come here in the future
 }
 
-// Serve launches a GIN server with the Headscale API
+// Serve launches a GIN server with the Headscale API.
 func (h *Headscale) Serve() error {
+	var err error
+
+	ctx := context.Background()
+	ctx, cancel := context.WithCancel(ctx)
+
+	defer cancel()
+
+	l, err := net.Listen("tcp", h.cfg.Addr)
+	if err != nil {
+		panic(err)
+	}
+
+	// Create the cmux object that will multiplex 2 protocols on the same port.
+	// The two following listeners will be served on the same port below gracefully.
+	m := cmux.New(l)
+	// Match gRPC requests here
+	grpcListener := m.MatchWithWriters(cmux.HTTP2MatchHeaderFieldSendSettings("content-type", "application/grpc"))
+	// Otherwise match regular http requests.
+	httpListener := m.Match(cmux.Any())
+
+	// Now create the grpc server with those options.
+	grpcServer := grpc.NewServer()
+
+	// TODO(kradalby): register the new server when we have authentication ready
+	// apiV1.RegisterHeadscaleServiceServer(grpcServer, newHeadscaleV1APIServer(h))
+
+	grpcGatewayMux := runtime.NewServeMux()
+
+	opts := []grpc.DialOption{grpc.WithInsecure()}
+
+	err = apiV1.RegisterHeadscaleServiceHandlerFromEndpoint(ctx, grpcGatewayMux, h.cfg.Addr, opts)
+	if err != nil {
+		return err
+	}
+
 	r := gin.Default()
 
 	p := ginprometheus.NewPrometheus("gin")
 	p.Use(r)
 
-	r.GET("/health", func(c *gin.Context) { c.JSON(200, gin.H{"healthy": "ok"}) })
+	r.GET("/health", func(c *gin.Context) { c.JSON(http.StatusOK, gin.H{"healthy": "ok"}) })
 	r.GET("/key", h.KeyHandler)
 	r.GET("/register", h.RegisterWebAPI)
 	r.POST("/machine/:id/map", h.PollNetMapHandler)
@@ -220,12 +287,25 @@ func (h *Headscale) Serve() error {
 	r.GET("/apple", h.AppleMobileConfig)
 	r.GET("/apple/:platform", h.ApplePlatformConfig)
 
-	var err error
+	r.Any("/api/v1/*any", gin.WrapF(grpcGatewayMux.ServeHTTP))
+	r.StaticFile("/swagger/swagger.json", "gen/openapiv2/v1/headscale.swagger.json")
 
-	go h.watchForKVUpdates(5000)
+	updateMillisecondsWait := int64(5000)
-	go h.expireEphemeralNodes(5000)
 
-	s := &http.Server{
+	// Fetch an initial DERP Map before we start serving
+	h.DERPMap = GetDERPMap(h.cfg.DERP)
+
+	if h.cfg.DERP.AutoUpdate {
+		derpMapCancelChannel := make(chan struct{})
+		defer func() { derpMapCancelChannel <- struct{}{} }()
+		go h.scheduledDERPMapUpdateWorker(derpMapCancelChannel)
+	}
+
+	// I HATE THIS
+	go h.watchForKVUpdates(updateMillisecondsWait)
+	go h.expireEphemeralNodes(updateMillisecondsWait)
+
+	httpServer := &http.Server{
 		Addr:        h.cfg.Addr,
 		Handler:     r,
 		ReadTimeout: 30 * time.Second,
@@ -236,6 +316,29 @@ func (h *Headscale) Serve() error {
 		WriteTimeout: 0,
 	}
 
+	tlsConfig, err := h.getTLSSettings()
+	if err != nil {
+		log.Error().Err(err).Msg("Failed to set up TLS configuration")
+
+		return err
+	}
+
+	if tlsConfig != nil {
+		httpServer.TLSConfig = tlsConfig
+	}
+
+	g := new(errgroup.Group)
+
+	g.Go(func() error { return grpcServer.Serve(grpcListener) })
+	g.Go(func() error { return httpServer.Serve(httpListener) })
+	g.Go(func() error { return m.Serve() })
+
+	log.Info().Msgf("listening and serving (multiplexed HTTP and gRPC) on: %s", h.cfg.Addr)
+
+	return g.Wait()
+}
+
+func (h *Headscale) getTLSSettings() (*tls.Config, error) {
 	if h.cfg.TLSLetsEncryptHostname != "" {
 		if !strings.HasPrefix(h.cfg.ServerURL, "https://") {
 			log.Warn().Msg("Listening with TLS but ServerURL does not start with https://")
@@ -251,13 +354,11 @@ func (h *Headscale) Serve() error {
 			Email: h.cfg.ACMEEmail,
 		}
 
-		s.TLSConfig = m.TLSConfig()
-
 		if h.cfg.TLSLetsEncryptChallengeType == "TLS-ALPN-01" {
 			// Configuration via autocert with TLS-ALPN-01 (https://tools.ietf.org/html/rfc8737)
 			// The RFC requires that the validation is done on port 443; in other words, headscale
 			// must be reachable on port 443.
-			err = s.ListenAndServeTLS("", "")
+			return m.TLSConfig(), nil
 		} else if h.cfg.TLSLetsEncryptChallengeType == "HTTP-01" {
 			// Configuration via autocert with HTTP-01. This requires listening on
 			// port 80 for the certificate validation in addition to the headscale
@@ -267,22 +368,30 @@ func (h *Headscale) Serve() error {
 					Err(http.ListenAndServe(h.cfg.TLSLetsEncryptListen, m.HTTPHandler(http.HandlerFunc(h.redirect)))).
 					Msg("failed to set up a HTTP server")
 			}()
-			err = s.ListenAndServeTLS("", "")
+
+			return m.TLSConfig(), nil
 		} else {
-			return errors.New("unknown value for TLSLetsEncryptChallengeType")
+			return nil, errors.New("unknown value for TLSLetsEncryptChallengeType")
 		}
 	} else if h.cfg.TLSCertPath == "" {
 		if !strings.HasPrefix(h.cfg.ServerURL, "http://") {
 			log.Warn().Msg("Listening without TLS but ServerURL does not start with http://")
 		}
-		err = s.ListenAndServe()
+
+		return nil, nil
 	} else {
 		if !strings.HasPrefix(h.cfg.ServerURL, "https://") {
 			log.Warn().Msg("Listening with TLS but ServerURL does not start with https://")
 		}
-		err = s.ListenAndServeTLS(h.cfg.TLSCertPath, h.cfg.TLSKeyPath)
+		var err error
+		tlsConfig := &tls.Config{}
+		tlsConfig.ClientAuth = tls.RequireAnyClientCert
+		tlsConfig.NextProtos = []string{"http/1.1"}
+		tlsConfig.Certificates = make([]tls.Certificate, 1)
+		tlsConfig.Certificates[0], err = tls.LoadX509KeyPair(h.cfg.TLSCertPath, h.cfg.TLSKeyPath)
+
+		return tlsConfig, err
 	}
-	return err
 }
 
 func (h *Headscale) setLastStateChangeToNow(namespace string) {

buf.gen.yaml

@@ -0,0 +1,21 @@
+version: v1
+plugins:
+  - name: go
+    out: gen/go
+    opt:
+      - paths=source_relative
+  - name: go-grpc
+    out: gen/go
+    opt:
+      - paths=source_relative
+  - name: grpc-gateway
+    out: gen/go
+    opt:
+      - paths=source_relative
+      - generate_unbound_methods=true
+  # - name: gorm
+  #   out: gen/go
+  #   opt:
+  #     - paths=source_relative,enums=string,gateway=true
+  - name: openapiv2
+    out: gen/openapiv2

cmd/headscale/cli/nodes.go

@@ -17,15 +17,50 @@ import (
 
 func init() {
 	rootCmd.AddCommand(nodeCmd)
-	nodeCmd.PersistentFlags().StringP("namespace", "n", "", "Namespace")
+	listNodesCmd.Flags().StringP("namespace", "n", "", "Filter by namespace")
-	err := nodeCmd.MarkPersistentFlagRequired("namespace")
+	nodeCmd.AddCommand(listNodesCmd)
+
+	registerNodeCmd.Flags().StringP("namespace", "n", "", "Namespace")
+	err := registerNodeCmd.MarkFlagRequired("namespace")
+	if err != nil {
+		log.Fatalf(err.Error())
+	}
+	registerNodeCmd.Flags().StringP("key", "k", "", "Key")
+	err = registerNodeCmd.MarkFlagRequired("key")
 	if err != nil {
 		log.Fatalf(err.Error())
 	}
-	nodeCmd.AddCommand(listNodesCmd)
 	nodeCmd.AddCommand(registerNodeCmd)
+
+	deleteNodeCmd.Flags().IntP("identifier", "i", 0, "Node identifier (ID)")
+	err = deleteNodeCmd.MarkFlagRequired("identifier")
+	if err != nil {
+		log.Fatalf(err.Error())
+	}
 	nodeCmd.AddCommand(deleteNodeCmd)
+
+	shareMachineCmd.Flags().StringP("namespace", "n", "", "Namespace")
+	err = shareMachineCmd.MarkFlagRequired("namespace")
+	if err != nil {
+		log.Fatalf(err.Error())
+	}
+	shareMachineCmd.Flags().IntP("identifier", "i", 0, "Node identifier (ID)")
+	err = shareMachineCmd.MarkFlagRequired("identifier")
+	if err != nil {
+		log.Fatalf(err.Error())
+	}
 	nodeCmd.AddCommand(shareMachineCmd)
+
+	unshareMachineCmd.Flags().StringP("namespace", "n", "", "Namespace")
+	err = unshareMachineCmd.MarkFlagRequired("namespace")
+	if err != nil {
+		log.Fatalf(err.Error())
+	}
+	unshareMachineCmd.Flags().IntP("identifier", "i", 0, "Node identifier (ID)")
+	err = unshareMachineCmd.MarkFlagRequired("identifier")
+	if err != nil {
+		log.Fatalf(err.Error())
+	}
 	nodeCmd.AddCommand(unshareMachineCmd)
 }
 
@@ -35,14 +70,8 @@ var nodeCmd = &cobra.Command{
 }
 
 var registerNodeCmd = &cobra.Command{
-	Use:   "register machineID",
+	Use:   "register",
 	Short: "Registers a machine to your network",
-	Args: func(cmd *cobra.Command, args []string) error {
-		if len(args) < 1 {
-			return fmt.Errorf("missing parameters")
-		}
-		return nil
-	},
 	Run: func(cmd *cobra.Command, args []string) {
 		n, err := cmd.Flags().GetString("namespace")
 		if err != nil {
@@ -54,7 +83,11 @@ var registerNodeCmd = &cobra.Command{
 		if err != nil {
 			log.Fatalf("Error initializing: %s", err)
 		}
-		m, err := h.RegisterMachine(args[0], n)
+		machineIDStr, err := cmd.Flags().GetString("key")
+		if err != nil {
+			log.Fatalf("Error getting machine ID: %s", err)
+		}
+		m, err := h.RegisterMachine(machineIDStr, n)
 		if strings.HasPrefix(o, "json") {
 			JsonOutput(m, err, o)
 			return
@@ -69,7 +102,7 @@ var registerNodeCmd = &cobra.Command{
 
 var listNodesCmd = &cobra.Command{
 	Use:   "list",
-	Short: "List the nodes in a given namespace",
+	Short: "List nodes",
 	Run: func(cmd *cobra.Command, args []string) {
 		n, err := cmd.Flags().GetString("namespace")
 		if err != nil {
@@ -82,22 +115,43 @@ var listNodesCmd = &cobra.Command{
 			log.Fatalf("Error initializing: %s", err)
 		}
 
-		namespace, err := h.GetNamespace(n)
+		var namespaces []headscale.Namespace
+		var namespace *headscale.Namespace
+		var sharedMachines *[]headscale.Machine
+		if len(n) == 0 {
+			// no namespace provided, list all
+			tmp, err := h.ListNamespaces()
 			if err != nil {
 				log.Fatalf("Error fetching namespace: %s", err)
 			}
-
+			namespaces = *tmp
-		machines, err := h.ListMachinesInNamespace(n)
+		} else {
+			namespace, err = h.GetNamespace(n)
 			if err != nil {
-			log.Fatalf("Error fetching machines: %s", err)
+				log.Fatalf("Error fetching namespace: %s", err)
 			}
+			namespaces = append(namespaces, *namespace)
 
-		sharedMachines, err := h.ListSharedMachinesInNamespace(n)
+			sharedMachines, err = h.ListSharedMachinesInNamespace(n)
 			if err != nil {
 				log.Fatalf("Error fetching shared machines: %s", err)
 			}
+		}
 
-		allMachines := append(*machines, *sharedMachines...)
+		var allMachines []headscale.Machine
+		for _, namespace := range namespaces {
+			machines, err := h.ListMachinesInNamespace(namespace.Name)
+			if err != nil {
+				log.Fatalf("Error fetching machines: %s", err)
+			}
+			allMachines = append(allMachines, *machines...)
+		}
+
+		// listing sharedMachines is only relevant when a particular namespace is
+		// requested
+		if sharedMachines != nil {
+			allMachines = append(allMachines, *sharedMachines...)
+		}
 
 		if strings.HasPrefix(o, "json") {
 			JsonOutput(allMachines, err, o)
@@ -108,7 +162,7 @@ var listNodesCmd = &cobra.Command{
 			log.Fatalf("Error getting nodes: %s", err)
 		}
 
-		d, err := nodesToPtables(*namespace, allMachines)
+		d, err := nodesToPtables(namespace, allMachines)
 		if err != nil {
 			log.Fatalf("Error converting to table: %s", err)
 		}
@@ -121,21 +175,15 @@ var listNodesCmd = &cobra.Command{
 }
 
 var deleteNodeCmd = &cobra.Command{
-	Use:   "delete ID",
+	Use:   "delete",
 	Short: "Delete a node",
-	Args: func(cmd *cobra.Command, args []string) error {
-		if len(args) < 1 {
-			return fmt.Errorf("missing parameters")
-		}
-		return nil
-	},
 	Run: func(cmd *cobra.Command, args []string) {
 		output, _ := cmd.Flags().GetString("output")
 		h, err := getHeadscaleApp()
 		if err != nil {
 			log.Fatalf("Error initializing: %s", err)
 		}
-		id, err := strconv.Atoi(args[0])
+		id, err := cmd.Flags().GetInt("identifier")
 		if err != nil {
 			log.Fatalf("Error converting ID to integer: %s", err)
 		}
@@ -176,20 +224,12 @@ var deleteNodeCmd = &cobra.Command{
 	},
 }
 
-var shareMachineCmd = &cobra.Command{
+func sharingWorker(cmd *cobra.Command, args []string) (*headscale.Headscale, string, *headscale.Machine, *headscale.Namespace) {
-	Use:   "share ID namespace",
+	namespaceStr, err := cmd.Flags().GetString("namespace")
-	Short: "Shares a node from the current namespace to the specified one",
-	Args: func(cmd *cobra.Command, args []string) error {
-		if len(args) < 2 {
-			return fmt.Errorf("missing parameters")
-		}
-		return nil
-	},
-	Run: func(cmd *cobra.Command, args []string) {
-		namespace, err := cmd.Flags().GetString("namespace")
 	if err != nil {
 		log.Fatalf("Error getting namespace: %s", err)
 	}
+
 	output, _ := cmd.Flags().GetString("output")
 
 	h, err := getHeadscaleApp()
@@ -197,17 +237,12 @@ var shareMachineCmd = &cobra.Command{
 		log.Fatalf("Error initializing: %s", err)
 	}
 
-		_, err = h.GetNamespace(namespace)
+	namespace, err := h.GetNamespace(namespaceStr)
 	if err != nil {
-			log.Fatalf("Error fetching origin namespace: %s", err)
+		log.Fatalf("Error fetching namespace %s: %s", namespaceStr, err)
 	}
 
-		destinationNamespace, err := h.GetNamespace(args[1])
+	id, err := cmd.Flags().GetInt("identifier")
-		if err != nil {
-			log.Fatalf("Error fetching destination namespace: %s", err)
-		}
-
-		id, err := strconv.Atoi(args[0])
 	if err != nil {
 		log.Fatalf("Error converting ID to integer: %s", err)
 	}
@@ -216,7 +251,15 @@ var shareMachineCmd = &cobra.Command{
 		log.Fatalf("Error getting node: %s", err)
 	}
 
-		err = h.AddSharedMachineToNamespace(machine, destinationNamespace)
+	return h, output, machine, namespace
+}
+
+var shareMachineCmd = &cobra.Command{
+	Use:   "share",
+	Short: "Shares a node from the current namespace to the specified one",
+	Run: func(cmd *cobra.Command, args []string) {
+		h, output, machine, namespace := sharingWorker(cmd, args)
+		err := h.AddSharedMachineToNamespace(machine, namespace)
 		if strings.HasPrefix(output, "json") {
 			JsonOutput(map[string]string{"Result": "Node shared"}, err, output)
 			return
@@ -231,41 +274,11 @@ var shareMachineCmd = &cobra.Command{
 }
 
 var unshareMachineCmd = &cobra.Command{
-	Use:   "unshare ID",
+	Use:   "unshare",
 	Short: "Unshares a node from the specified namespace",
-	Args: func(cmd *cobra.Command, args []string) error {
-		if len(args) < 1 {
-			return fmt.Errorf("missing parameters")
-		}
-		return nil
-	},
 	Run: func(cmd *cobra.Command, args []string) {
-		namespace, err := cmd.Flags().GetString("namespace")
+		h, output, machine, namespace := sharingWorker(cmd, args)
-		if err != nil {
+		err := h.RemoveSharedMachineFromNamespace(machine, namespace)
-			log.Fatalf("Error getting namespace: %s", err)
-		}
-		output, _ := cmd.Flags().GetString("output")
-
-		h, err := getHeadscaleApp()
-		if err != nil {
-			log.Fatalf("Error initializing: %s", err)
-		}
-
-		n, err := h.GetNamespace(namespace)
-		if err != nil {
-			log.Fatalf("Error fetching namespace: %s", err)
-		}
-
-		id, err := strconv.Atoi(args[0])
-		if err != nil {
-			log.Fatalf("Error converting ID to integer: %s", err)
-		}
-		machine, err := h.GetMachineByID(uint64(id))
-		if err != nil {
-			log.Fatalf("Error getting node: %s", err)
-		}
-
-		err = h.RemoveSharedMachineFromNamespace(machine, n)
 		if strings.HasPrefix(output, "json") {
 			JsonOutput(map[string]string{"Result": "Node unshared"}, err, output)
 			return
@@ -279,7 +292,7 @@ var unshareMachineCmd = &cobra.Command{
 	},
 }
 
-func nodesToPtables(currentNamespace headscale.Namespace, machines []headscale.Machine) (pterm.TableData, error) {
+func nodesToPtables(currentNamespace *headscale.Namespace, machines []headscale.Machine) (pterm.TableData, error) {
 	d := pterm.TableData{{"ID", "Name", "NodeKey", "Namespace", "IP address", "Ephemeral", "Last seen", "Online"}}
 
 	for _, machine := range machines {
@@ -307,9 +320,10 @@ func nodesToPtables(currentNamespace headscale.Namespace, machines []headscale.M
 		}
 
 		var namespace string
-		if currentNamespace.ID == machine.NamespaceID {
+		if (currentNamespace == nil) || (currentNamespace.ID == machine.NamespaceID) {
 			namespace = pterm.LightMagenta(machine.Namespace.Name)
 		} else {
+			// Shared into this namespace
 			namespace = pterm.LightYellow(machine.Namespace.Name)
 		}
 		d = append(d, []string{strconv.FormatUint(machine.ID, 10), machine.Name, nodeKey.ShortString(), namespace, machine.IPAddress, strconv.FormatBool(ephemeral), lastSeenTime, online})

cmd/headscale/cli/utils.go

@@ -4,7 +4,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io"
+	"net/url"
 	"os"
 	"path/filepath"
 	"regexp"
@@ -14,7 +14,6 @@ import (
 	"github.com/juanfont/headscale"
 	"github.com/rs/zerolog/log"
 	"github.com/spf13/viper"
-	"gopkg.in/yaml.v2"
 	"inet.af/netaddr"
 	"tailscale.com/tailcfg"
 	"tailscale.com/types/dnstype"
@@ -52,21 +51,26 @@ func LoadConfig(path string) error {
 
 	// Collect any validation errors and return them all at once
 	var errorText string
-	if (viper.GetString("tls_letsencrypt_hostname") != "") && ((viper.GetString("tls_cert_path") != "") || (viper.GetString("tls_key_path") != "")) {
+	if (viper.GetString("tls_letsencrypt_hostname") != "") &&
+		((viper.GetString("tls_cert_path") != "") || (viper.GetString("tls_key_path") != "")) {
 		errorText += "Fatal config error: set either tls_letsencrypt_hostname or tls_cert_path/tls_key_path, not both\n"
 	}
 
-	if (viper.GetString("tls_letsencrypt_hostname") != "") && (viper.GetString("tls_letsencrypt_challenge_type") == "TLS-ALPN-01") && (!strings.HasSuffix(viper.GetString("listen_addr"), ":443")) {
+	if (viper.GetString("tls_letsencrypt_hostname") != "") &&
+		(viper.GetString("tls_letsencrypt_challenge_type") == "TLS-ALPN-01") &&
+		(!strings.HasSuffix(viper.GetString("listen_addr"), ":443")) {
 		// this is only a warning because there could be something sitting in front of headscale that redirects the traffic (e.g. an iptables rule)
 		log.Warn().
 			Msg("Warning: when using tls_letsencrypt_hostname with TLS-ALPN-01 as challenge type, headscale must be reachable on port 443, i.e. listen_addr should probably end in :443")
 	}
 
-	if (viper.GetString("tls_letsencrypt_challenge_type") != "HTTP-01") && (viper.GetString("tls_letsencrypt_challenge_type") != "TLS-ALPN-01") {
+	if (viper.GetString("tls_letsencrypt_challenge_type") != "HTTP-01") &&
+		(viper.GetString("tls_letsencrypt_challenge_type") != "TLS-ALPN-01") {
 		errorText += "Fatal config error: the only supported values for tls_letsencrypt_challenge_type are HTTP-01 and TLS-ALPN-01\n"
 	}
 
-	if !strings.HasPrefix(viper.GetString("server_url"), "http://") && !strings.HasPrefix(viper.GetString("server_url"), "https://") {
+	if !strings.HasPrefix(viper.GetString("server_url"), "http://") &&
+		!strings.HasPrefix(viper.GetString("server_url"), "https://") {
 		errorText += "Fatal config error: server_url must start with https:// or http://\n"
 	}
 	if errorText != "" {
@@ -76,6 +80,35 @@ func LoadConfig(path string) error {
 	}
 }
 
+func GetDERPConfig() headscale.DERPConfig {
+	urlStrs := viper.GetStringSlice("derp.urls")
+
+	urls := make([]url.URL, len(urlStrs))
+	for index, urlStr := range urlStrs {
+		urlAddr, err := url.Parse(urlStr)
+		if err != nil {
+			log.Error().
+				Str("url", urlStr).
+				Err(err).
+				Msg("Failed to parse url, ignoring...")
+		}
+
+		urls[index] = *urlAddr
+	}
+
+	paths := viper.GetStringSlice("derp.paths")
+
+	autoUpdate := viper.GetBool("derp.auto_update_enabled")
+	updateFrequency := viper.GetDuration("derp.update_frequency")
+
+	return headscale.DERPConfig{
+		URLs:            urls,
+		Paths:           paths,
+		AutoUpdate:      autoUpdate,
+		UpdateFrequency: updateFrequency,
+	}
+}
+
 func GetDNSConfig() (*tailcfg.DNSConfig, string) {
 	if viper.IsSet("dns_config") {
 		dnsConfig := &tailcfg.DNSConfig{}
@@ -104,6 +137,33 @@ func GetDNSConfig() (*tailcfg.DNSConfig, string) {
 			dnsConfig.Nameservers = nameservers
 			dnsConfig.Resolvers = resolvers
 		}
+
+		if viper.IsSet("dns_config.restricted_nameservers") {
+			if len(dnsConfig.Nameservers) > 0 {
+				dnsConfig.Routes = make(map[string][]dnstype.Resolver)
+				restrictedDNS := viper.GetStringMapStringSlice("dns_config.restricted_nameservers")
+				for domain, restrictedNameservers := range restrictedDNS {
+					restrictedResolvers := make([]dnstype.Resolver, len(restrictedNameservers))
+					for index, nameserverStr := range restrictedNameservers {
+						nameserver, err := netaddr.ParseIP(nameserverStr)
+						if err != nil {
+							log.Error().
+								Str("func", "getDNSConfig").
+								Err(err).
+								Msgf("Could not parse restricted nameserver IP: %s", nameserverStr)
+						}
+						restrictedResolvers[index] = dnstype.Resolver{
+							Addr: nameserver.String(),
+						}
+					}
+					dnsConfig.Routes[domain] = restrictedResolvers
+				}
+			} else {
+				log.Warn().
+					Msg("Warning: dns_config.restricted_nameservers is set, but no nameservers are configured. Ignoring restricted_nameservers.")
+			}
+		}
+
 		if viper.IsSet("dns_config.domains") {
 			dnsConfig.Domains = viper.GetStringSlice("dns_config.domains")
 		}
@@ -144,27 +204,24 @@ func absPath(path string) string {
 }
 
 func getHeadscaleApp() (*headscale.Headscale, error) {
-	derpPath := absPath(viper.GetString("derp_map_path"))
-	derpMap, err := loadDerpMap(derpPath)
-	if err != nil {
-		log.Error().
-			Str("path", derpPath).
-			Err(err).
-			Msg("Could not load DERP servers map file")
-	}
-
 	// Minimum inactivity time out is keepalive timeout (60s) plus a few seconds
 	// to avoid races
 	minInactivityTimeout, _ := time.ParseDuration("65s")
 	if viper.GetDuration("ephemeral_node_inactivity_timeout") <= minInactivityTimeout {
-		err = fmt.Errorf("ephemeral_node_inactivity_timeout (%s) is set too low, must be more than %s\n", viper.GetString("ephemeral_node_inactivity_timeout"), minInactivityTimeout)
+		err := fmt.Errorf(
+			"ephemeral_node_inactivity_timeout (%s) is set too low, must be more than %s\n",
+			viper.GetString("ephemeral_node_inactivity_timeout"),
+			minInactivityTimeout,
+		)
 		return nil, err
 	}
 
 	// maxMachineRegistrationDuration is the maximum time headscale will allow a client to (optionally) request for
 	// the machine key expiry time. RegisterRequests with Expiry times that are more than
 	// maxMachineRegistrationDuration in the future will be clamped to (now + maxMachineRegistrationDuration)
-	maxMachineRegistrationDuration, _ := time.ParseDuration("10h") // use 10h here because it is the length of a standard business day plus a small amount of leeway
+	maxMachineRegistrationDuration, _ := time.ParseDuration(
+		"10h",
+	) // use 10h here because it is the length of a standard business day plus a small amount of leeway
 	if viper.GetDuration("max_machine_registration_duration") >= time.Second {
 		maxMachineRegistrationDuration = viper.GetDuration("max_machine_registration_duration")
 	}
@@ -172,21 +229,25 @@ func getHeadscaleApp() (*headscale.Headscale, error) {
 	// defaultMachineRegistrationDuration is the default time assigned to a machine registration if one is not
 	// specified by the tailscale client. It is the default amount of time a machine registration is valid for
 	// (ie the amount of time before the user has to re-authenticate when requesting a connection)
-	defaultMachineRegistrationDuration, _ := time.ParseDuration("8h") // use 8h here because it's the length of a standard business day
+	defaultMachineRegistrationDuration, _ := time.ParseDuration(
+		"8h",
+	) // use 8h here because it's the length of a standard business day
 	if viper.GetDuration("default_machine_registration_duration") >= time.Second {
 		defaultMachineRegistrationDuration = viper.GetDuration("default_machine_registration_duration")
 	}
 
 	dnsConfig, baseDomain := GetDNSConfig()
+	derpConfig := GetDERPConfig()
 
 	cfg := headscale.Config{
 		ServerURL:      viper.GetString("server_url"),
 		Addr:           viper.GetString("listen_addr"),
 		PrivateKeyPath: absPath(viper.GetString("private_key_path")),
-		DerpMap:        derpMap,
 		IPPrefix:       netaddr.MustParseIPPrefix(viper.GetString("ip_prefix")),
 		BaseDomain:     baseDomain,
 
+		DERP: derpConfig,
+
 		EphemeralNodeInactivityTimeout: viper.GetDuration("ephemeral_node_inactivity_timeout"),
 
 		DBtype: viper.GetString("db_type"),
@@ -243,21 +304,6 @@ func getHeadscaleApp() (*headscale.Headscale, error) {
 	return h, nil
 }
 
-func loadDerpMap(path string) (*tailcfg.DERPMap, error) {
-	derpFile, err := os.Open(path)
-	if err != nil {
-		return nil, err
-	}
-	defer derpFile.Close()
-	var derpMap tailcfg.DERPMap
-	b, err := io.ReadAll(derpFile)
-	if err != nil {
-		return nil, err
-	}
-	err = yaml.Unmarshal(b, &derpMap)
-	return &derpMap, err
-}
-
 func JsonOutput(result interface{}, errResult error, outputFormat string) {
 	var j []byte
 	var err error

cmd/headscale/headscale_test.go

@@ -25,10 +25,9 @@ func (s *Suite) SetUpSuite(c *check.C) {
 }
 
 func (s *Suite) TearDownSuite(c *check.C) {
-
 }
 
-func (*Suite) TestPostgresConfigLoading(c *check.C) {
+func (*Suite) TestConfigLoading(c *check.C) {
 	tmpDir, err := ioutil.TempDir("", "headscale")
 	if err != nil {
 		c.Fatal(err)
@@ -41,7 +40,7 @@ func (*Suite) TestPostgresConfigLoading(c *check.C) {
 	}
 
 	// Symlink the example config file
-	err = os.Symlink(filepath.Clean(path+"/../../config.json.postgres.example"), filepath.Join(tmpDir, "config.json"))
+	err = os.Symlink(filepath.Clean(path+"/../../config-example.yaml"), filepath.Join(tmpDir, "config.yaml"))
 	if err != nil {
 		c.Fatal(err)
 	}
@@ -53,40 +52,7 @@ func (*Suite) TestPostgresConfigLoading(c *check.C) {
 	// Test that config file was interpreted correctly
 	c.Assert(viper.GetString("server_url"), check.Equals, "http://127.0.0.1:8080")
 	c.Assert(viper.GetString("listen_addr"), check.Equals, "0.0.0.0:8080")
-	c.Assert(viper.GetString("derp_map_path"), check.Equals, "derp.yaml")
+	c.Assert(viper.GetStringSlice("derp.paths")[0], check.Equals, "derp-example.yaml")
-	c.Assert(viper.GetString("db_type"), check.Equals, "postgres")
-	c.Assert(viper.GetString("db_port"), check.Equals, "5432")
-	c.Assert(viper.GetString("tls_letsencrypt_hostname"), check.Equals, "")
-	c.Assert(viper.GetString("tls_letsencrypt_listen"), check.Equals, ":http")
-	c.Assert(viper.GetStringSlice("dns_config.nameservers")[0], check.Equals, "1.1.1.1")
-}
-
-func (*Suite) TestSqliteConfigLoading(c *check.C) {
-	tmpDir, err := ioutil.TempDir("", "headscale")
-	if err != nil {
-		c.Fatal(err)
-	}
-	defer os.RemoveAll(tmpDir)
-
-	path, err := os.Getwd()
-	if err != nil {
-		c.Fatal(err)
-	}
-
-	// Symlink the example config file
-	err = os.Symlink(filepath.Clean(path+"/../../config.json.sqlite.example"), filepath.Join(tmpDir, "config.json"))
-	if err != nil {
-		c.Fatal(err)
-	}
-
-	// Load example config, it should load without validation errors
-	err = cli.LoadConfig(tmpDir)
-	c.Assert(err, check.IsNil)
-
-	// Test that config file was interpreted correctly
-	c.Assert(viper.GetString("server_url"), check.Equals, "http://127.0.0.1:8080")
-	c.Assert(viper.GetString("listen_addr"), check.Equals, "0.0.0.0:8080")
-	c.Assert(viper.GetString("derp_map_path"), check.Equals, "derp.yaml")
 	c.Assert(viper.GetString("db_type"), check.Equals, "sqlite3")
 	c.Assert(viper.GetString("db_path"), check.Equals, "db.sqlite")
 	c.Assert(viper.GetString("tls_letsencrypt_hostname"), check.Equals, "")
@@ -108,7 +74,7 @@ func (*Suite) TestDNSConfigLoading(c *check.C) {
 	}
 
 	// Symlink the example config file
-	err = os.Symlink(filepath.Clean(path+"/../../config.json.sqlite.example"), filepath.Join(tmpDir, "config.json"))
+	err = os.Symlink(filepath.Clean(path+"/../../config-example.yaml"), filepath.Join(tmpDir, "config.yaml"))
 	if err != nil {
 		c.Fatal(err)
 	}
@@ -128,7 +94,7 @@ func (*Suite) TestDNSConfigLoading(c *check.C) {
 func writeConfig(c *check.C, tmpDir string, configYaml []byte) {
 	// Populate a custom config file
 	configFile := filepath.Join(tmpDir, "config.yaml")
-	err := ioutil.WriteFile(configFile, configYaml, 0644)
+	err := ioutil.WriteFile(configFile, configYaml, 0o644)
 	if err != nil {
 		c.Fatalf("Couldn't write file %s", configFile)
 	}
@@ -142,7 +108,9 @@ func (*Suite) TestTLSConfigValidation(c *check.C) {
 	// defer os.RemoveAll(tmpDir)
 	fmt.Println(tmpDir)
 
-	configYaml := []byte("---\ntls_letsencrypt_hostname: \"example.com\"\ntls_letsencrypt_challenge_type: \"\"\ntls_cert_path: \"abc.pem\"")
+	configYaml := []byte(
+		"---\ntls_letsencrypt_hostname: \"example.com\"\ntls_letsencrypt_challenge_type: \"\"\ntls_cert_path: \"abc.pem\"",
+	)
 	writeConfig(c, tmpDir, configYaml)
 
 	// Check configuration validation errors (1)
@@ -150,13 +118,23 @@ func (*Suite) TestTLSConfigValidation(c *check.C) {
 	c.Assert(err, check.NotNil)
 	// check.Matches can not handle multiline strings
 	tmp := strings.ReplaceAll(err.Error(), "\n", "***")
-	c.Assert(tmp, check.Matches, ".*Fatal config error: set either tls_letsencrypt_hostname or tls_cert_path/tls_key_path, not both.*")
+	c.Assert(
-	c.Assert(tmp, check.Matches, ".*Fatal config error: the only supported values for tls_letsencrypt_challenge_type are.*")
+		tmp,
+		check.Matches,
+		".*Fatal config error: set either tls_letsencrypt_hostname or tls_cert_path/tls_key_path, not both.*",
+	)
+	c.Assert(
+		tmp,
+		check.Matches,
+		".*Fatal config error: the only supported values for tls_letsencrypt_challenge_type are.*",
+	)
 	c.Assert(tmp, check.Matches, ".*Fatal config error: server_url must start with https:// or http://.*")
 	fmt.Println(tmp)
 
 	// Check configuration validation errors (2)
-	configYaml = []byte("---\nserver_url: \"http://127.0.0.1:8080\"\ntls_letsencrypt_hostname: \"example.com\"\ntls_letsencrypt_challenge_type: \"TLS-ALPN-01\"")
+	configYaml = []byte(
+		"---\nserver_url: \"http://127.0.0.1:8080\"\ntls_letsencrypt_hostname: \"example.com\"\ntls_letsencrypt_challenge_type: \"TLS-ALPN-01\"",
+	)
 	writeConfig(c, tmpDir, configYaml)
 	err = cli.LoadConfig(tmpDir)
 	c.Assert(err, check.IsNil)

config-example.yaml

@@ -0,0 +1,75 @@
+---
+# The url clients will connect to.
+# Typically this will be a domain.
+server_url: http://127.0.0.1:8080
+
+# Address to listen to / bind to on the server
+listen_addr: 0.0.0.0:8080
+
+# Path to WireGuard private key file
+private_key_path: private.key
+
+derp:
+  # List of externally available DERP maps encoded in JSON
+  urls:
+    - https://controlplane.tailscale.com/derpmap/default
+
+  # Locally available DERP map files encoded in YAML
+  paths:
+    - derp-example.yaml
+
+  # If enabled, a worker will be set up to periodically
+  # refresh the given sources and update the derpmap
+  # will be set up.
+  auto_update_enabled: true
+
+  # How often should we check for updates?
+  update_frequency: 24h
+
+# Disables the automatic check for updates on startup
+disable_check_updates: false
+ephemeral_node_inactivity_timeout: 30m
+
+# SQLite config
+db_type: sqlite3
+db_path: db.sqlite
+
+# # Postgres config
+# db_type: postgres
+# db_host: localhost
+# db_port: 5432
+# db_name: headscale
+# db_user: foo
+# db_pass: bar
+
+acme_url: https://acme-v02.api.letsencrypt.org/directory
+acme_email: ""
+
+tls_letsencrypt_hostname: ""
+tls_letsencrypt_listen: ":http"
+tls_letsencrypt_cache_dir: ".cache"
+tls_letsencrypt_challenge_type: HTTP-01
+
+tls_cert_path: ""
+tls_key_path: ""
+
+# Path to a file containg ACL policies.
+acl_policy_path: ""
+
+dns_config:
+  # Upstream DNS servers
+  nameservers:
+    - 1.1.1.1
+  domains: []
+
+  magic_dns: true
+  base_domain: example.com
+
+
+# Experimental: OpenID Connect
+# oidc:
+#   issuer: "https://your-oidc.issuer.com/path"
+#   client_id: "your-oidc-client-id"
+#   client_secret: "your-oidc-client-secret"
+#   domain_map:
+#     ".*": default-namespace

config.json.postgres.example

@@ -1,30 +0,0 @@
-{
-    "server_url": "http://127.0.0.1:8080",
-    "listen_addr": "0.0.0.0:8080",
-    "private_key_path": "private.key",
-    "derp_map_path": "derp.yaml",
-    "ephemeral_node_inactivity_timeout": "30m",
-    "db_type": "postgres",
-    "db_host": "localhost",
-    "db_port": 5432,
-    "db_name": "headscale",
-    "db_user": "foo",
-    "db_pass": "bar",
-    "acme_url": "https://acme-v02.api.letsencrypt.org/directory",
-    "acme_email": "",
-    "tls_letsencrypt_hostname": "",
-    "tls_letsencrypt_listen": ":http",
-    "tls_letsencrypt_cache_dir": ".cache",
-    "tls_letsencrypt_challenge_type": "HTTP-01",
-    "tls_cert_path": "",
-    "tls_key_path": "",
-    "acl_policy_path": "",
-    "dns_config": {
-        "nameservers": [
-            "1.1.1.1"
-        ],
-        "domains": [],
-        "magic_dns": true,
-        "base_domain": "example.com"
-    }
-}

config.json.sqlite.example

@@ -1,26 +0,0 @@
-{
-    "server_url": "http://127.0.0.1:8080",
-    "listen_addr": "0.0.0.0:8080",
-    "private_key_path": "private.key",
-    "derp_map_path": "derp.yaml",
-    "ephemeral_node_inactivity_timeout": "30m",
-    "db_type": "sqlite3",
-    "db_path": "db.sqlite",
-    "acme_url": "https://acme-v02.api.letsencrypt.org/directory",
-    "acme_email": "",
-    "tls_letsencrypt_hostname": "",
-    "tls_letsencrypt_listen": ":http",
-    "tls_letsencrypt_cache_dir": ".cache",
-    "tls_letsencrypt_challenge_type": "HTTP-01",
-    "tls_cert_path": "",
-    "tls_key_path": "",
-    "acl_policy_path": "",
-    "dns_config": {
-        "nameservers": [
-            "1.1.1.1"
-        ],
-        "domains": [],
-        "magic_dns": true,
-        "base_domain": "example.com"
-    }
-}

derp-example.yaml

@@ -0,0 +1,15 @@
+# If you plan to somehow use headscale, please deploy your own DERP infra: https://tailscale.com/kb/1118/custom-derp-servers/
+regions: 
+  900:
+    regionid: 900
+    regioncode: custom
+    regionname: My Region
+    nodes:
+    - name: 1a
+      regionid: 1
+      hostname: myderp.mydomain.no
+      ipv4: 123.123.123.123
+      ipv6: "2604:a880:400:d1::828:b001"
+      stunport: 0
+      stunonly: false
+      derptestport: 0

derp.go

@@ -0,0 +1,152 @@
+package headscale
+
+import (
+	"encoding/json"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"net/url"
+	"os"
+	"time"
+
+	"github.com/rs/zerolog/log"
+
+	"gopkg.in/yaml.v2"
+
+	"tailscale.com/tailcfg"
+)
+
+func loadDERPMapFromPath(path string) (*tailcfg.DERPMap, error) {
+	derpFile, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer derpFile.Close()
+	var derpMap tailcfg.DERPMap
+	b, err := io.ReadAll(derpFile)
+	if err != nil {
+		return nil, err
+	}
+	err = yaml.Unmarshal(b, &derpMap)
+	return &derpMap, err
+}
+
+func loadDERPMapFromURL(addr url.URL) (*tailcfg.DERPMap, error) {
+	client := http.Client{
+		Timeout: 10 * time.Second,
+	}
+	resp, err := client.Get(addr.String())
+	if err != nil {
+		return nil, err
+	}
+
+	defer resp.Body.Close()
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	var derpMap tailcfg.DERPMap
+	err = json.Unmarshal(body, &derpMap)
+	return &derpMap, err
+}
+
+// mergeDERPMaps naively merges a list of DERPMaps into a single
+// DERPMap, it will _only_ look at the Regions, an integer.
+// If a region exists in two of the given DERPMaps, the region
+// form the _last_ DERPMap will be preserved.
+// An empty DERPMap list will result in a DERPMap with no regions
+func mergeDERPMaps(derpMaps []*tailcfg.DERPMap) *tailcfg.DERPMap {
+	result := tailcfg.DERPMap{
+		OmitDefaultRegions: false,
+		Regions:            map[int]*tailcfg.DERPRegion{},
+	}
+
+	for _, derpMap := range derpMaps {
+		for id, region := range derpMap.Regions {
+			result.Regions[id] = region
+		}
+	}
+
+	return &result
+}
+
+func GetDERPMap(cfg DERPConfig) *tailcfg.DERPMap {
+	derpMaps := make([]*tailcfg.DERPMap, 0)
+
+	for _, path := range cfg.Paths {
+		log.Debug().
+			Str("func", "GetDERPMap").
+			Str("path", path).
+			Msg("Loading DERPMap from path")
+		derpMap, err := loadDERPMapFromPath(path)
+		if err != nil {
+			log.Error().
+				Str("func", "GetDERPMap").
+				Str("path", path).
+				Err(err).
+				Msg("Could not load DERP map from path")
+			break
+		}
+
+		derpMaps = append(derpMaps, derpMap)
+	}
+
+	for _, addr := range cfg.URLs {
+		derpMap, err := loadDERPMapFromURL(addr)
+		log.Debug().
+			Str("func", "GetDERPMap").
+			Str("url", addr.String()).
+			Msg("Loading DERPMap from path")
+		if err != nil {
+			log.Error().
+				Str("func", "GetDERPMap").
+				Str("url", addr.String()).
+				Err(err).
+				Msg("Could not load DERP map from path")
+			break
+		}
+
+		derpMaps = append(derpMaps, derpMap)
+	}
+
+	derpMap := mergeDERPMaps(derpMaps)
+
+	log.Trace().Interface("derpMap", derpMap).Msg("DERPMap loaded")
+
+	if len(derpMap.Regions) == 0 {
+		log.Warn().
+			Msg("DERP map is empty, not a single DERP map datasource was loaded correctly or contained a region")
+	}
+
+	return derpMap
+}
+
+func (h *Headscale) scheduledDERPMapUpdateWorker(cancelChan <-chan struct{}) {
+	log.Info().
+		Dur("frequency", h.cfg.DERP.UpdateFrequency).
+		Msg("Setting up a DERPMap update worker")
+	ticker := time.NewTicker(h.cfg.DERP.UpdateFrequency)
+
+	for {
+		select {
+		case <-cancelChan:
+			return
+
+		case <-ticker.C:
+			log.Info().Msg("Fetching DERPMap updates")
+			h.DERPMap = GetDERPMap(h.cfg.DERP)
+
+			namespaces, err := h.ListNamespaces()
+			if err != nil {
+				log.Error().
+					Err(err).
+					Msg("Failed to fetch namespaces")
+			}
+
+			for _, namespace := range *namespaces {
+				h.setLastStateChangeToNow(namespace.Name)
+			}
+		}
+	}
+}

derp.yaml

@@ -1,146 +0,0 @@
-# This file contains some of the official Tailscale DERP servers, 
-# shamelessly taken from https://github.com/tailscale/tailscale/blob/main/net/dnsfallback/dns-fallback-servers.json
-#
-# If you plan to somehow use headscale, please deploy your own DERP infra: https://tailscale.com/kb/1118/custom-derp-servers/
-regions: 
-  1:
-    regionid: 1
-    regioncode: nyc
-    regionname: New York City
-    nodes:
-    - name: 1a
-      regionid: 1
-      hostname: derp1.tailscale.com
-      ipv4: 159.89.225.99
-      ipv6: "2604:a880:400:d1::828:b001"
-      stunport: 0
-      stunonly: false
-      derptestport: 0
-    - name: 1b
-      regionid: 1
-      hostname: derp1b.tailscale.com
-      ipv4: 45.55.35.93
-      ipv6: "2604:a880:800:a1::f:2001"
-      stunport: 0
-      stunonly: false
-      derptestport: 0
-  2:
-    regionid: 2
-    regioncode: sfo
-    regionname: San Francisco
-    nodes:
-    - name: 2a
-      regionid: 2
-      hostname: derp2.tailscale.com
-      ipv4: 167.172.206.31
-      ipv6: "2604:a880:2:d1::c5:7001"
-      stunport: 0
-      stunonly: false
-      derptestport: 0
-    - name: 2b
-      regionid: 2
-      hostname: derp2b.tailscale.com
-      ipv4: 64.227.106.23
-      ipv6: "2604:a880:4:1d0::29:9000"
-      stunport: 0
-      stunonly: false
-      derptestport: 0
-  3:
-    regionid: 3
-    regioncode: sin
-    regionname: Singapore
-    nodes:
-    - name: 3a
-      regionid: 3
-      hostname: derp3.tailscale.com
-      ipv4: 68.183.179.66
-      ipv6: "2400:6180:0:d1::67d:8001"
-      stunport: 0
-      stunonly: false
-      derptestport: 0
-  4:
-    regionid: 4
-    regioncode: fra
-    regionname: Frankfurt
-    nodes:
-    - name: 4a
-      regionid: 4
-      hostname: derp4.tailscale.com
-      ipv4: 167.172.182.26
-      ipv6: "2a03:b0c0:3:e0::36e:900"
-      stunport: 0
-      stunonly: false
-      derptestport: 0
-    - name: 4b
-      regionid: 4
-      hostname: derp4b.tailscale.com
-      ipv4: 157.230.25.0
-      ipv6: "2a03:b0c0:3:e0::58f:3001"
-      stunport: 0
-      stunonly: false
-      derptestport: 0
-  5:
-    regionid: 5
-    regioncode: syd
-    regionname: Sydney
-    nodes:
-    - name: 5a
-      regionid: 5
-      hostname: derp5.tailscale.com
-      ipv4: 103.43.75.49
-      ipv6: "2001:19f0:5801:10b7:5400:2ff:feaa:284c"
-      stunport: 0
-      stunonly: false
-      derptestport: 0
-  6:
-    regionid: 6
-    regioncode: blr
-    regionname: Bangalore
-    nodes:
-    - name: 6a
-      regionid: 6
-      hostname: derp6.tailscale.com
-      ipv4: 68.183.90.120
-      ipv6: "2400:6180:100:d0::982:d001"
-      stunport: 0
-      stunonly: false
-      derptestport: 0
-  7:
-    regionid: 7
-    regioncode: tok
-    regionname: Tokyo
-    nodes:
-    - name: 7a
-      regionid: 7
-      hostname: derp7.tailscale.com
-      ipv4: 167.179.89.145
-      ipv6: "2401:c080:1000:467f:5400:2ff:feee:22aa"
-      stunport: 0
-      stunonly: false
-      derptestport: 0
-  8:
-    regionid: 8
-    regioncode: lhr
-    regionname: London
-    nodes:
-    - name: 8a
-      regionid: 8
-      hostname: derp8.tailscale.com
-      ipv4: 167.71.139.179
-      ipv6: "2a03:b0c0:1:e0::3cc:e001"
-      stunport: 0
-      stunonly: false
-      derptestport: 0
-  9:
-    regionid: 9
-    regioncode: sao
-    regionname: São Paulo
-    nodes:
-    - name: 9a
-      regionid: 9
-      hostname: derp9.tailscale.com
-      ipv4: 207.148.3.137
-      ipv6: "2001:19f0:6401:1d9c:5400:2ff:feef:bb82"
-      stunport: 0
-      stunonly: false
-      derptestport: 0

docs/Configuration.md

@@ -0,0 +1,80 @@
+# Configuration reference
+
+Headscale will look for a configuration file named `config.yaml` (or `config.json`) in the following order:
+
+- `/etc/headscale`
+- `~/.headscale`
+- current working directory
+
+```yaml
+server_url: http://headscale.mydomain.net
+listen_addr: 0.0.0.0:8080
+ip_prefix: 100.64.0.0/10
+disable_check_updates: false
+```
+
+`server_url` is the external URL via which Headscale is reachable. `listen_addr` is the IP address and port the Headscale program should listen on. `ip_prefix` is the IP prefix (range) in which IP addresses for nodes will be allocated (default 100.64.0.0/10, e.g., 192.168.4.0/24, 10.0.0.0/8). `disable_check_updates` disables the automatic check for updates.
+
+```yaml
+log_level: debug
+```
+
+`log_level` can be used to set the Log level for Headscale, it defaults to `debug`, and the available levels are: `trace`, `debug`, `info`, `warn` and `error`.
+
+```yaml
+private_key_path: private.key
+```
+
+`private_key_path` is the path to the Wireguard private key. If the path is relative, it will be interpreted as relative to the directory the configuration file was read from.
+
+```yaml
+derp_map_path: derp.yaml
+```
+
+`derp_map_path` is the path to the [DERP](https://pkg.go.dev/tailscale.com/derp) map file. If the path is relative, it will be interpreted as relative to the directory the configuration file was read from.
+
+```yaml
+ephemeral_node_inactivity_timeout": "30m"
+```
+
+`ephemeral_node_inactivity_timeout` is the timeout after which inactive ephemeral node records will be deleted from the database. The default is 30 minutes. This value must be higher than 65 seconds (the keepalive timeout for the HTTP long poll is 60 seconds, plus a few seconds to avoid race conditions).
+
+PostgresSQL
+
+```yaml
+db_host: localhost
+db_port: 5432
+db_name: headscale
+db_user: foo
+db_pass: bar
+```
+
+SQLite
+
+```yaml
+db_type: sqlite3
+db_path: db.sqlite
+```
+
+The fields starting with `db_` are used for the DB connection information.
+
+### TLS configuration
+
+Please check [`TLS.md`](TLS.md).
+
+### DNS configuration
+
+Please refer to [`DNS.md`](DNS.md).
+
+### Policy ACLs
+
+Headscale implements the same policy ACLs as Tailscale.com, adapted to the self-hosted environment.
+
+For instance, instead of referring to users when defining groups you must
+use namespaces (which are the equivalent to user/logins in Tailscale.com).
+
+Please check https://tailscale.com/kb/1018/acls/, and `./tests/acls/` in this repo for working examples.
+
+### Apple devices
+
+An endpoint with information on how to connect your Apple devices (currently macOS only) is available at `/apple` on your running instance.

docs/DNS.md

@@ -1,33 +1,38 @@
-# DNS in Headscale
+# DNS in headscale
 
-Headscale supports Tailscale's DNS configuration and MagicDNS. Please have a look to their KB to better understand what this means:
+headscale supports Tailscale's DNS configuration and MagicDNS. Please have a look to their KB to better understand what this means:
 
 - https://tailscale.com/kb/1054/dns/
 - https://tailscale.com/kb/1081/magicdns/
 - https://tailscale.com/blog/2021-09-private-dns-with-magicdns/
 
-Long story short, you can define the DNS servers you want to use in your tailnets, activate MagicDNS (so you don't have to remember the IP addresses of your nodes), define search domains, as well as predefined hosts. Headscale will inject that settings into your nodes.
+Long story short, you can define the DNS servers you want to use in your tailnets, activate MagicDNS (so you don't have to remember the IP addresses of your nodes), define search domains, as well as predefined hosts. headscale will inject that settings into your nodes.
-
 
 ## Configuration reference
 
-The setup is done via the `config.json` file, under the `dns_config` key. 
+The setup is done via the `config.yaml` file, under the `dns_config` key.
 
-```json
+```yaml
-{
+server_url: http://127.0.0.1:8001
-    "server_url": "http://127.0.0.1:8001",
+listen_addr: 0.0.0.0:8001
-    "listen_addr": "0.0.0.0:8001",
+private_key_path: private.key
-    "private_key_path": "private.key",
+dns_config:
-    //...
+  nameservers:
-    "dns_config": {
+    - 1.1.1.1
-        "nameservers": ["1.1.1.1", "8.8.8.8"],
+    - 8.8.8.8
-        "domains": [],
+  restricted_nameservers:
-        "magic_dns": true,
+    foo.bar.com:
-        "base_domain": "example.com"
+      - 1.1.1.1
-    }
+    darp.headscale.net:
-}
+      - 1.1.1.1
+      - 8.8.8.8
+  domains: []
+  magic_dns: true
+  base_domain: example.com
 ```
+
 - `nameservers`: The list of DNS servers to use.
 - `domains`: Search domains to inject.
 - `magic_dns`: Whether to use [MagicDNS](https://tailscale.com/kb/1081/magicdns/). Only works if there is at least a nameserver defined.
 - `base_domain`: Defines the base domain to create the hostnames for MagicDNS. `base_domain` must be a FQDNs, without the trailing dot. The FQDN of the hosts will be `hostname.namespace.base_domain` (e.g., _myhost.mynamespace.example.com_).
+- `restricted_nameservers`: Split DNS (see https://tailscale.com/kb/1054/dns/), list of search domains and the DNS to query for each one.

docs/Glossary.md

@@ -0,0 +1,3 @@
+# Glossary
+
+- Namespace: Collection of Tailscale nodes that can see each other. In Tailscale.com this is called Tailnet.

docs/Running.md

@@ -0,0 +1,149 @@
+# Running headscale
+
+1. Download the headscale binary https://github.com/juanfont/headscale/releases, and place it somewhere in your $PATH or use the docker container
+
+   ```shell
+   docker pull headscale/headscale:x.x.x
+   ```
+
+   <!--
+    or
+    ```shell
+    docker pull ghrc.io/juanfont/headscale:x.x.x
+    ``` -->
+
+2. (Optional, you can also use SQLite) Get yourself a PostgreSQL DB running
+
+   ```shell
+   docker run --name headscale \
+     -e POSTGRES_DB=headscale
+     -e POSTGRES_USER=foo \
+     -e POSTGRES_PASSWORD=bar \
+     -p 5432:5432 \
+     -d postgres
+   ```
+
+3. Create a WireGuard private key and headscale configuration
+
+   ```shell
+   wg genkey > private.key
+
+   cp config.yaml.example config.yaml
+   ```
+
+4. Create a namespace
+
+   ```shell
+   headscale namespaces create myfirstnamespace
+   ```
+
+   or docker:
+
+   the db.sqlite mount is only needed if you use sqlite
+
+   ```shell
+   touch db.sqlite
+   docker run \
+     -v $(pwd)/private.key:/private.key \
+     -v $(pwd)/config.json:/config.json \
+     -v $(pwd)/derp.yaml:/derp.yaml \
+     -v $(pwd)/db.sqlite:/db.sqlite \
+     -p 127.0.0.1:8080:8080 \
+     headscale/headscale:x.x.x \
+     headscale namespaces create myfirstnamespace
+   ```
+
+   or if your server is already running in docker:
+
+   ```shell
+   docker exec <container_name> headscale create myfirstnamespace
+   ```
+
+5. Run the server
+
+   ```shell
+   headscale serve
+   ```
+
+   or docker:
+
+   the db.sqlite mount is only needed if you use sqlite
+
+   ```shell
+   docker run \
+     -v $(pwd)/private.key:/private.key \
+     -v $(pwd)/config.json:/config.json \
+     -v $(pwd)/derp.yaml:/derp.yaml \
+     -v $(pwd)/db.sqlite:/db.sqlite \
+     -p 127.0.0.1:8080:8080 \
+     headscale/headscale:x.x.x headscale serve
+   ```
+
+6. If you used tailscale.com before in your nodes, make sure you clear the tailscaled data folder
+
+   ```shell
+   systemctl stop tailscaled
+   rm -fr /var/lib/tailscale
+   systemctl start tailscaled
+   ```
+
+7. Add your first machine
+
+   ```shell
+   tailscale up --login-server YOUR_HEADSCALE_URL
+   ```
+
+8. Navigate to the URL you will get with `tailscale up`, where you'll find your machine key.
+
+9. In the server, register your machine to a namespace with the CLI
+   ```shell
+   headscale -n myfirstnamespace nodes register -k YOURMACHINEKEY
+   ```
+   or docker:
+   ```shell
+   docker run \
+     -v $(pwd)/private.key:/private.key \
+     -v $(pwd)/config.json:/config.json \
+     -v $(pwd)/derp.yaml:/derp.yaml \
+     headscale/headscale:x.x.x \
+     headscale -n myfirstnamespace nodes register -k YOURMACHINEKEY
+   ```
+   or if your server is already running in docker:
+   ```shell
+   docker exec <container_name> headscale -n myfirstnamespace nodes register -k YOURMACHINEKEY
+   ```
+
+Alternatively, you can use Auth Keys to register your machines:
+
+1. Create an authkey
+
+   ```shell
+   headscale -n myfirstnamespace preauthkeys create --reusable --expiration 24h
+   ```
+
+   or docker:
+
+   ```shell
+   docker run \
+     -v $(pwd)/private.key:/private.key \
+     -v $(pwd)/config.json:/config.json \
+     -v$(pwd)/derp.yaml:/derp.yaml \
+     -v $(pwd)/db.sqlite:/db.sqlite \
+     headscale/headscale:x.x.x \
+     headscale -n myfirstnamespace preauthkeys create --reusable --expiration 24h
+   ```
+
+   or if your server is already running in docker:
+
+   ```shell
+   docker exec <container_name> headscale -n myfirstnamespace preauthkeys create --reusable --expiration 24h
+   ```
+
+2. Use the authkey from your machine to register it
+   ```shell
+   tailscale up --login-server YOUR_HEADSCALE_URL --authkey YOURAUTHKEY
+   ```
+
+If you create an authkey with the `--ephemeral` flag, that key will create ephemeral nodes. This implies that `--reusable` is true.
+
+Please bear in mind that all headscale commands support adding `-o json` or `-o json-line` to get nicely JSON-formatted output.

docs/TLS.md

@@ -0,0 +1,27 @@
+# Running the service via TLS (optional)
+
+```yaml
+tls_letsencrypt_hostname: ""
+tls_letsencrypt_listen: ":http"
+tls_letsencrypt_cache_dir: ".cache"
+tls_letsencrypt_challenge_type: HTTP-01
+```
+
+To get a certificate automatically via [Let's Encrypt](https://letsencrypt.org/), set `tls_letsencrypt_hostname` to the desired certificate hostname. This name must resolve to the IP address(es) headscale is reachable on (i.e., it must correspond to the `server_url` configuration parameter). The certificate and Let's Encrypt account credentials will be stored in the directory configured in `tls_letsencrypt_cache_dir`. If the path is relative, it will be interpreted as relative to the directory the configuration file was read from. The certificate will automatically be renewed as needed.
+
+```yaml
+tls_cert_path: ""
+tls_key_path: ""
+```
+
+headscale can also be configured to expose its web service via TLS. To configure the certificate and key file manually, set the `tls_cert_path` and `tls_cert_path` configuration parameters. If the path is relative, it will be interpreted as relative to the directory the configuration file was read from.
+
+## Challenge type HTTP-01
+
+The default challenge type `HTTP-01` requires that headscale is reachable on port 80 for the Let's Encrypt automated validation, in addition to whatever port is configured in `listen_addr`. By default, headscale listens on port 80 on all local IPs for Let's Encrypt automated validation.
+
+If you need to change the ip and/or port used by headscale for the Let's Encrypt validation process, set `tls_letsencrypt_listen` to the appropriate value. This can be handy if you are running headscale as a non-root user (or can't run `setcap`). Keep in mind, however, that Let's Encrypt will _only_ connect to port 80 for the validation callback, so if you change `tls_letsencrypt_listen` you will also need to configure something else (e.g. a firewall rule) to forward the traffic from port 80 to the ip:port combination specified in `tls_letsencrypt_listen`.
+
+## Challenge type TLS-ALPN-01
+
+Alternatively, `tls_letsencrypt_challenge_type` can be set to `TLS-ALPN-01`. In this configuration, headscale listens on the ip:port combination defined in `listen_addr`. Let's Encrypt will _only_ connect to port 443 for the validation callback, so if `listen_addr` is not set to port 443, something else (e.g. a firewall rule) will be required to forward the traffic from port 443 to the ip:port combination specified in `listen_addr`.

gen/go/v1/headscale.pb.go

@@ -0,0 +1,702 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.27.1
+// 	protoc        v3.18.1
+// source: v1/headscale.proto
+
+package v1
+
+import (
+	_ "github.com/infobloxopen/protoc-gen-gorm/options"
+	_ "google.golang.org/genproto/googleapis/api/annotations"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type RegisterMethod int32
+
+const (
+	RegisterMethod_AUTH_KEY RegisterMethod = 0
+	RegisterMethod_CLI      RegisterMethod = 1
+	RegisterMethod_OIDC     RegisterMethod = 2
+)
+
+// Enum value maps for RegisterMethod.
+var (
+	RegisterMethod_name = map[int32]string{
+		0: "AUTH_KEY",
+		1: "CLI",
+		2: "OIDC",
+	}
+	RegisterMethod_value = map[string]int32{
+		"AUTH_KEY": 0,
+		"CLI":      1,
+		"OIDC":     2,
+	}
+)
+
+func (x RegisterMethod) Enum() *RegisterMethod {
+	p := new(RegisterMethod)
+	*p = x
+	return p
+}
+
+func (x RegisterMethod) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (RegisterMethod) Descriptor() protoreflect.EnumDescriptor {
+	return file_v1_headscale_proto_enumTypes[0].Descriptor()
+}
+
+func (RegisterMethod) Type() protoreflect.EnumType {
+	return &file_v1_headscale_proto_enumTypes[0]
+}
+
+func (x RegisterMethod) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use RegisterMethod.Descriptor instead.
+func (RegisterMethod) EnumDescriptor() ([]byte, []int) {
+	return file_v1_headscale_proto_rawDescGZIP(), []int{0}
+}
+
+type Namespace struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Name string `protobuf:"bytes,1,opt,name=Name,proto3" json:"Name,omitempty"`
+}
+
+func (x *Namespace) Reset() {
+	*x = Namespace{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_v1_headscale_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Namespace) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Namespace) ProtoMessage() {}
+
+func (x *Namespace) ProtoReflect() protoreflect.Message {
+	mi := &file_v1_headscale_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Namespace.ProtoReflect.Descriptor instead.
+func (*Namespace) Descriptor() ([]byte, []int) {
+	return file_v1_headscale_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Namespace) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+type PreAuthKey struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ID          uint64                 `protobuf:"varint,1,opt,name=ID,proto3" json:"ID,omitempty"`
+	Key         string                 `protobuf:"bytes,2,opt,name=Key,proto3" json:"Key,omitempty"`
+	NamespaceID uint32                 `protobuf:"varint,3,opt,name=NamespaceID,proto3" json:"NamespaceID,omitempty"`
+	Namespace   *Namespace             `protobuf:"bytes,4,opt,name=Namespace,proto3" json:"Namespace,omitempty"`
+	Reusable    bool                   `protobuf:"varint,5,opt,name=Reusable,proto3" json:"Reusable,omitempty"`
+	Ephemeral   bool                   `protobuf:"varint,6,opt,name=Ephemeral,proto3" json:"Ephemeral,omitempty"`
+	Used        bool                   `protobuf:"varint,7,opt,name=Used,proto3" json:"Used,omitempty"`
+	CreatedAt   *timestamppb.Timestamp `protobuf:"bytes,8,opt,name=CreatedAt,proto3" json:"CreatedAt,omitempty"`
+	Expiration  *timestamppb.Timestamp `protobuf:"bytes,9,opt,name=Expiration,proto3" json:"Expiration,omitempty"`
+}
+
+func (x *PreAuthKey) Reset() {
+	*x = PreAuthKey{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_v1_headscale_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PreAuthKey) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PreAuthKey) ProtoMessage() {}
+
+func (x *PreAuthKey) ProtoReflect() protoreflect.Message {
+	mi := &file_v1_headscale_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PreAuthKey.ProtoReflect.Descriptor instead.
+func (*PreAuthKey) Descriptor() ([]byte, []int) {
+	return file_v1_headscale_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *PreAuthKey) GetID() uint64 {
+	if x != nil {
+		return x.ID
+	}
+	return 0
+}
+
+func (x *PreAuthKey) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+func (x *PreAuthKey) GetNamespaceID() uint32 {
+	if x != nil {
+		return x.NamespaceID
+	}
+	return 0
+}
+
+func (x *PreAuthKey) GetNamespace() *Namespace {
+	if x != nil {
+		return x.Namespace
+	}
+	return nil
+}
+
+func (x *PreAuthKey) GetReusable() bool {
+	if x != nil {
+		return x.Reusable
+	}
+	return false
+}
+
+func (x *PreAuthKey) GetEphemeral() bool {
+	if x != nil {
+		return x.Ephemeral
+	}
+	return false
+}
+
+func (x *PreAuthKey) GetUsed() bool {
+	if x != nil {
+		return x.Used
+	}
+	return false
+}
+
+func (x *PreAuthKey) GetCreatedAt() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CreatedAt
+	}
+	return nil
+}
+
+func (x *PreAuthKey) GetExpiration() *timestamppb.Timestamp {
+	if x != nil {
+		return x.Expiration
+	}
+	return nil
+}
+
+type GetMachineRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	MachineId uint64 `protobuf:"varint,1,opt,name=machine_id,json=machineId,proto3" json:"machine_id,omitempty"`
+}
+
+func (x *GetMachineRequest) Reset() {
+	*x = GetMachineRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_v1_headscale_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetMachineRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetMachineRequest) ProtoMessage() {}
+
+func (x *GetMachineRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_v1_headscale_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetMachineRequest.ProtoReflect.Descriptor instead.
+func (*GetMachineRequest) Descriptor() ([]byte, []int) {
+	return file_v1_headscale_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *GetMachineRequest) GetMachineId() uint64 {
+	if x != nil {
+		return x.MachineId
+	}
+	return 0
+}
+
+type Machine struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ID                   uint64                 `protobuf:"varint,1,opt,name=ID,proto3" json:"ID,omitempty"`
+	MachineKey           string                 `protobuf:"bytes,2,opt,name=MachineKey,proto3" json:"MachineKey,omitempty"`
+	NodeKey              string                 `protobuf:"bytes,3,opt,name=NodeKey,proto3" json:"NodeKey,omitempty"`
+	DiscoKey             string                 `protobuf:"bytes,4,opt,name=DiscoKey,proto3" json:"DiscoKey,omitempty"`
+	IPAddress            string                 `protobuf:"bytes,5,opt,name=IPAddress,proto3" json:"IPAddress,omitempty"`
+	Name                 string                 `protobuf:"bytes,6,opt,name=Name,proto3" json:"Name,omitempty"`
+	NamespaceID          uint32                 `protobuf:"varint,7,opt,name=NamespaceID,proto3" json:"NamespaceID,omitempty"`
+	Registered           bool                   `protobuf:"varint,8,opt,name=Registered,proto3" json:"Registered,omitempty"`
+	RegisterMethod       RegisterMethod         `protobuf:"varint,9,opt,name=RegisterMethod,proto3,enum=headscale.v1.RegisterMethod" json:"RegisterMethod,omitempty"`
+	AuthKeyID            uint32                 `protobuf:"varint,10,opt,name=AuthKeyID,proto3" json:"AuthKeyID,omitempty"`
+	AuthKey              *PreAuthKey            `protobuf:"bytes,11,opt,name=AuthKey,proto3" json:"AuthKey,omitempty"`
+	LastSeen             *timestamppb.Timestamp `protobuf:"bytes,12,opt,name=LastSeen,proto3" json:"LastSeen,omitempty"`
+	LastSuccessfulUpdate *timestamppb.Timestamp `protobuf:"bytes,13,opt,name=LastSuccessfulUpdate,proto3" json:"LastSuccessfulUpdate,omitempty"`
+	Expiry               *timestamppb.Timestamp `protobuf:"bytes,14,opt,name=Expiry,proto3" json:"Expiry,omitempty"`
+	HostInfo             []byte                 `protobuf:"bytes,15,opt,name=HostInfo,proto3" json:"HostInfo,omitempty"`
+	Endpoints            []byte                 `protobuf:"bytes,16,opt,name=Endpoints,proto3" json:"Endpoints,omitempty"`
+	EnabledRoutes        []byte                 `protobuf:"bytes,17,opt,name=EnabledRoutes,proto3" json:"EnabledRoutes,omitempty"`
+	CreatedAt            *timestamppb.Timestamp `protobuf:"bytes,18,opt,name=CreatedAt,proto3" json:"CreatedAt,omitempty"`
+	UpdatedAt            *timestamppb.Timestamp `protobuf:"bytes,19,opt,name=UpdatedAt,proto3" json:"UpdatedAt,omitempty"`
+	DeletedAt            *timestamppb.Timestamp `protobuf:"bytes,20,opt,name=DeletedAt,proto3" json:"DeletedAt,omitempty"`
+}
+
+func (x *Machine) Reset() {
+	*x = Machine{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_v1_headscale_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Machine) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Machine) ProtoMessage() {}
+
+func (x *Machine) ProtoReflect() protoreflect.Message {
+	mi := &file_v1_headscale_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Machine.ProtoReflect.Descriptor instead.
+func (*Machine) Descriptor() ([]byte, []int) {
+	return file_v1_headscale_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *Machine) GetID() uint64 {
+	if x != nil {
+		return x.ID
+	}
+	return 0
+}
+
+func (x *Machine) GetMachineKey() string {
+	if x != nil {
+		return x.MachineKey
+	}
+	return ""
+}
+
+func (x *Machine) GetNodeKey() string {
+	if x != nil {
+		return x.NodeKey
+	}
+	return ""
+}
+
+func (x *Machine) GetDiscoKey() string {
+	if x != nil {
+		return x.DiscoKey
+	}
+	return ""
+}
+
+func (x *Machine) GetIPAddress() string {
+	if x != nil {
+		return x.IPAddress
+	}
+	return ""
+}
+
+func (x *Machine) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *Machine) GetNamespaceID() uint32 {
+	if x != nil {
+		return x.NamespaceID
+	}
+	return 0
+}
+
+func (x *Machine) GetRegistered() bool {
+	if x != nil {
+		return x.Registered
+	}
+	return false
+}
+
+func (x *Machine) GetRegisterMethod() RegisterMethod {
+	if x != nil {
+		return x.RegisterMethod
+	}
+	return RegisterMethod_AUTH_KEY
+}
+
+func (x *Machine) GetAuthKeyID() uint32 {
+	if x != nil {
+		return x.AuthKeyID
+	}
+	return 0
+}
+
+func (x *Machine) GetAuthKey() *PreAuthKey {
+	if x != nil {
+		return x.AuthKey
+	}
+	return nil
+}
+
+func (x *Machine) GetLastSeen() *timestamppb.Timestamp {
+	if x != nil {
+		return x.LastSeen
+	}
+	return nil
+}
+
+func (x *Machine) GetLastSuccessfulUpdate() *timestamppb.Timestamp {
+	if x != nil {
+		return x.LastSuccessfulUpdate
+	}
+	return nil
+}
+
+func (x *Machine) GetExpiry() *timestamppb.Timestamp {
+	if x != nil {
+		return x.Expiry
+	}
+	return nil
+}
+
+func (x *Machine) GetHostInfo() []byte {
+	if x != nil {
+		return x.HostInfo
+	}
+	return nil
+}
+
+func (x *Machine) GetEndpoints() []byte {
+	if x != nil {
+		return x.Endpoints
+	}
+	return nil
+}
+
+func (x *Machine) GetEnabledRoutes() []byte {
+	if x != nil {
+		return x.EnabledRoutes
+	}
+	return nil
+}
+
+func (x *Machine) GetCreatedAt() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CreatedAt
+	}
+	return nil
+}
+
+func (x *Machine) GetUpdatedAt() *timestamppb.Timestamp {
+	if x != nil {
+		return x.UpdatedAt
+	}
+	return nil
+}
+
+func (x *Machine) GetDeletedAt() *timestamppb.Timestamp {
+	if x != nil {
+		return x.DeletedAt
+	}
+	return nil
+}
+
+var File_v1_headscale_proto protoreflect.FileDescriptor
+
+var file_v1_headscale_proto_rawDesc = []byte{
+	0x0a, 0x12, 0x76, 0x31, 0x2f, 0x68, 0x65, 0x61, 0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2e, 0x70,
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+	0x62, 0x75, 0x66, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72,
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+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x1f, 0x0a, 0x09, 0x4e, 0x61, 0x6d, 0x65, 0x73, 0x70, 0x61,
+	0x63, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x4e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09,
+	0x52, 0x04, 0x4e, 0x61, 0x6d, 0x65, 0x22, 0xcb, 0x02, 0x0a, 0x0a, 0x50, 0x72, 0x65, 0x41, 0x75,
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+}
+
+var (
+	file_v1_headscale_proto_rawDescOnce sync.Once
+	file_v1_headscale_proto_rawDescData = file_v1_headscale_proto_rawDesc
+)
+
+func file_v1_headscale_proto_rawDescGZIP() []byte {
+	file_v1_headscale_proto_rawDescOnce.Do(func() {
+		file_v1_headscale_proto_rawDescData = protoimpl.X.CompressGZIP(file_v1_headscale_proto_rawDescData)
+	})
+	return file_v1_headscale_proto_rawDescData
+}
+
+var file_v1_headscale_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_v1_headscale_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_v1_headscale_proto_goTypes = []interface{}{
+	(RegisterMethod)(0),           // 0: headscale.v1.RegisterMethod
+	(*Namespace)(nil),             // 1: headscale.v1.Namespace
+	(*PreAuthKey)(nil),            // 2: headscale.v1.PreAuthKey
+	(*GetMachineRequest)(nil),     // 3: headscale.v1.GetMachineRequest
+	(*Machine)(nil),               // 4: headscale.v1.Machine
+	(*timestamppb.Timestamp)(nil), // 5: google.protobuf.Timestamp
+}
+var file_v1_headscale_proto_depIdxs = []int32{
+	1,  // 0: headscale.v1.PreAuthKey.Namespace:type_name -> headscale.v1.Namespace
+	5,  // 1: headscale.v1.PreAuthKey.CreatedAt:type_name -> google.protobuf.Timestamp
+	5,  // 2: headscale.v1.PreAuthKey.Expiration:type_name -> google.protobuf.Timestamp
+	0,  // 3: headscale.v1.Machine.RegisterMethod:type_name -> headscale.v1.RegisterMethod
+	2,  // 4: headscale.v1.Machine.AuthKey:type_name -> headscale.v1.PreAuthKey
+	5,  // 5: headscale.v1.Machine.LastSeen:type_name -> google.protobuf.Timestamp
+	5,  // 6: headscale.v1.Machine.LastSuccessfulUpdate:type_name -> google.protobuf.Timestamp
+	5,  // 7: headscale.v1.Machine.Expiry:type_name -> google.protobuf.Timestamp
+	5,  // 8: headscale.v1.Machine.CreatedAt:type_name -> google.protobuf.Timestamp
+	5,  // 9: headscale.v1.Machine.UpdatedAt:type_name -> google.protobuf.Timestamp
+	5,  // 10: headscale.v1.Machine.DeletedAt:type_name -> google.protobuf.Timestamp
+	3,  // 11: headscale.v1.HeadscaleService.GetMachine:input_type -> headscale.v1.GetMachineRequest
+	4,  // 12: headscale.v1.HeadscaleService.GetMachine:output_type -> headscale.v1.Machine
+	12, // [12:13] is the sub-list for method output_type
+	11, // [11:12] is the sub-list for method input_type
+	11, // [11:11] is the sub-list for extension type_name
+	11, // [11:11] is the sub-list for extension extendee
+	0,  // [0:11] is the sub-list for field type_name
+}
+
+func init() { file_v1_headscale_proto_init() }
+func file_v1_headscale_proto_init() {
+	if File_v1_headscale_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_v1_headscale_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Namespace); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_v1_headscale_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*PreAuthKey); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_v1_headscale_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetMachineRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_v1_headscale_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Machine); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_v1_headscale_proto_rawDesc,
+			NumEnums:      1,
+			NumMessages:   4,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_v1_headscale_proto_goTypes,
+		DependencyIndexes: file_v1_headscale_proto_depIdxs,
+		EnumInfos:         file_v1_headscale_proto_enumTypes,
+		MessageInfos:      file_v1_headscale_proto_msgTypes,
+	}.Build()
+	File_v1_headscale_proto = out.File
+	file_v1_headscale_proto_rawDesc = nil
+	file_v1_headscale_proto_goTypes = nil
+	file_v1_headscale_proto_depIdxs = nil
+}

gen/go/v1/headscale.pb.gw.go

@@ -0,0 +1,185 @@
+// Code generated by protoc-gen-grpc-gateway. DO NOT EDIT.
+// source: v1/headscale.proto
+
+/*
+Package v1 is a reverse proxy.
+
+It translates gRPC into RESTful JSON APIs.
+*/
+package v1
+
+import (
+	"context"
+	"io"
+	"net/http"
+
+	"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
+	"github.com/grpc-ecosystem/grpc-gateway/v2/utilities"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/metadata"
+	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/proto"
+)
+
+// Suppress "imported and not used" errors
+var _ codes.Code
+var _ io.Reader
+var _ status.Status
+var _ = runtime.String
+var _ = utilities.NewDoubleArray
+var _ = metadata.Join
+
+func request_HeadscaleService_GetMachine_0(ctx context.Context, marshaler runtime.Marshaler, client HeadscaleServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq GetMachineRequest
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["machine_id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "machine_id")
+	}
+
+	protoReq.MachineId, err = runtime.Uint64(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "machine_id", err)
+	}
+
+	msg, err := client.GetMachine(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_HeadscaleService_GetMachine_0(ctx context.Context, marshaler runtime.Marshaler, server HeadscaleServiceServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq GetMachineRequest
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["machine_id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "machine_id")
+	}
+
+	protoReq.MachineId, err = runtime.Uint64(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "machine_id", err)
+	}
+
+	msg, err := server.GetMachine(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+// RegisterHeadscaleServiceHandlerServer registers the http handlers for service HeadscaleService to "mux".
+// UnaryRPC     :call HeadscaleServiceServer directly.
+// StreamingRPC :currently unsupported pending https://github.com/grpc/grpc-go/issues/906.
+// Note that using this registration option will cause many gRPC library features to stop working. Consider using RegisterHeadscaleServiceHandlerFromEndpoint instead.
+func RegisterHeadscaleServiceHandlerServer(ctx context.Context, mux *runtime.ServeMux, server HeadscaleServiceServer) error {
+
+	mux.Handle("GET", pattern_HeadscaleService_GetMachine_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req, "/headscale.v1.HeadscaleService/GetMachine", runtime.WithHTTPPathPattern("/api/v1/machine/{machine_id}"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_HeadscaleService_GetMachine_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_HeadscaleService_GetMachine_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	return nil
+}
+
+// RegisterHeadscaleServiceHandlerFromEndpoint is same as RegisterHeadscaleServiceHandler but
+// automatically dials to "endpoint" and closes the connection when "ctx" gets done.
+func RegisterHeadscaleServiceHandlerFromEndpoint(ctx context.Context, mux *runtime.ServeMux, endpoint string, opts []grpc.DialOption) (err error) {
+	conn, err := grpc.Dial(endpoint, opts...)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		if err != nil {
+			if cerr := conn.Close(); cerr != nil {
+				grpclog.Infof("Failed to close conn to %s: %v", endpoint, cerr)
+			}
+			return
+		}
+		go func() {
+			<-ctx.Done()
+			if cerr := conn.Close(); cerr != nil {
+				grpclog.Infof("Failed to close conn to %s: %v", endpoint, cerr)
+			}
+		}()
+	}()
+
+	return RegisterHeadscaleServiceHandler(ctx, mux, conn)
+}
+
+// RegisterHeadscaleServiceHandler registers the http handlers for service HeadscaleService to "mux".
+// The handlers forward requests to the grpc endpoint over "conn".
+func RegisterHeadscaleServiceHandler(ctx context.Context, mux *runtime.ServeMux, conn *grpc.ClientConn) error {
+	return RegisterHeadscaleServiceHandlerClient(ctx, mux, NewHeadscaleServiceClient(conn))
+}
+
+// RegisterHeadscaleServiceHandlerClient registers the http handlers for service HeadscaleService
+// to "mux". The handlers forward requests to the grpc endpoint over the given implementation of "HeadscaleServiceClient".
+// Note: the gRPC framework executes interceptors within the gRPC handler. If the passed in "HeadscaleServiceClient"
+// doesn't go through the normal gRPC flow (creating a gRPC client etc.) then it will be up to the passed in
+// "HeadscaleServiceClient" to call the correct interceptors.
+func RegisterHeadscaleServiceHandlerClient(ctx context.Context, mux *runtime.ServeMux, client HeadscaleServiceClient) error {
+
+	mux.Handle("GET", pattern_HeadscaleService_GetMachine_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateContext(ctx, mux, req, "/headscale.v1.HeadscaleService/GetMachine", runtime.WithHTTPPathPattern("/api/v1/machine/{machine_id}"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_HeadscaleService_GetMachine_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_HeadscaleService_GetMachine_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	return nil
+}
+
+var (
+	pattern_HeadscaleService_GetMachine_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 1, 0, 4, 1, 5, 3}, []string{"api", "v1", "machine", "machine_id"}, ""))
+)
+
+var (
+	forward_HeadscaleService_GetMachine_0 = runtime.ForwardResponseMessage
+)

gen/go/v1/headscale_grpc.pb.go

@@ -0,0 +1,101 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+
+package v1
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// HeadscaleServiceClient is the client API for HeadscaleService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type HeadscaleServiceClient interface {
+	GetMachine(ctx context.Context, in *GetMachineRequest, opts ...grpc.CallOption) (*Machine, error)
+}
+
+type headscaleServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewHeadscaleServiceClient(cc grpc.ClientConnInterface) HeadscaleServiceClient {
+	return &headscaleServiceClient{cc}
+}
+
+func (c *headscaleServiceClient) GetMachine(ctx context.Context, in *GetMachineRequest, opts ...grpc.CallOption) (*Machine, error) {
+	out := new(Machine)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/GetMachine", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// HeadscaleServiceServer is the server API for HeadscaleService service.
+// All implementations must embed UnimplementedHeadscaleServiceServer
+// for forward compatibility
+type HeadscaleServiceServer interface {
+	GetMachine(context.Context, *GetMachineRequest) (*Machine, error)
+	mustEmbedUnimplementedHeadscaleServiceServer()
+}
+
+// UnimplementedHeadscaleServiceServer must be embedded to have forward compatible implementations.
+type UnimplementedHeadscaleServiceServer struct {
+}
+
+func (UnimplementedHeadscaleServiceServer) GetMachine(context.Context, *GetMachineRequest) (*Machine, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetMachine not implemented")
+}
+func (UnimplementedHeadscaleServiceServer) mustEmbedUnimplementedHeadscaleServiceServer() {}
+
+// UnsafeHeadscaleServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to HeadscaleServiceServer will
+// result in compilation errors.
+type UnsafeHeadscaleServiceServer interface {
+	mustEmbedUnimplementedHeadscaleServiceServer()
+}
+
+func RegisterHeadscaleServiceServer(s grpc.ServiceRegistrar, srv HeadscaleServiceServer) {
+	s.RegisterService(&HeadscaleService_ServiceDesc, srv)
+}
+
+func _HeadscaleService_GetMachine_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetMachineRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HeadscaleServiceServer).GetMachine(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/headscale.v1.HeadscaleService/GetMachine",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HeadscaleServiceServer).GetMachine(ctx, req.(*GetMachineRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// HeadscaleService_ServiceDesc is the grpc.ServiceDesc for HeadscaleService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var HeadscaleService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "headscale.v1.HeadscaleService",
+	HandlerType: (*HeadscaleServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "GetMachine",
+			Handler:    _HeadscaleService_GetMachine_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "v1/headscale.proto",
+}

gen/openapiv2/v1/headscale.swagger.json

@@ -0,0 +1,210 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "title": "v1/headscale.proto",
+    "version": "version not set"
+  },
+  "tags": [
+    {
+      "name": "HeadscaleService"
+    }
+  ],
+  "consumes": [
+    "application/json"
+  ],
+  "produces": [
+    "application/json"
+  ],
+  "paths": {
+    "/api/v1/machine/{machineId}": {
+      "get": {
+        "operationId": "HeadscaleService_GetMachine",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/v1Machine"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "machineId",
+            "in": "path",
+            "required": true,
+            "type": "string",
+            "format": "uint64"
+          }
+        ],
+        "tags": [
+          "HeadscaleService"
+        ]
+      }
+    }
+  },
+  "definitions": {
+    "protobufAny": {
+      "type": "object",
+      "properties": {
+        "@type": {
+          "type": "string"
+        }
+      },
+      "additionalProperties": {}
+    },
+    "rpcStatus": {
+      "type": "object",
+      "properties": {
+        "code": {
+          "type": "integer",
+          "format": "int32"
+        },
+        "message": {
+          "type": "string"
+        },
+        "details": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/protobufAny"
+          }
+        }
+      }
+    },
+    "v1Machine": {
+      "type": "object",
+      "properties": {
+        "ID": {
+          "type": "string",
+          "format": "uint64"
+        },
+        "MachineKey": {
+          "type": "string"
+        },
+        "NodeKey": {
+          "type": "string"
+        },
+        "DiscoKey": {
+          "type": "string"
+        },
+        "IPAddress": {
+          "type": "string"
+        },
+        "Name": {
+          "type": "string"
+        },
+        "NamespaceID": {
+          "type": "integer",
+          "format": "int64"
+        },
+        "Registered": {
+          "type": "boolean"
+        },
+        "RegisterMethod": {
+          "$ref": "#/definitions/v1RegisterMethod"
+        },
+        "AuthKeyID": {
+          "type": "integer",
+          "format": "int64"
+        },
+        "AuthKey": {
+          "$ref": "#/definitions/v1PreAuthKey"
+        },
+        "LastSeen": {
+          "type": "string",
+          "format": "date-time"
+        },
+        "LastSuccessfulUpdate": {
+          "type": "string",
+          "format": "date-time"
+        },
+        "Expiry": {
+          "type": "string",
+          "format": "date-time"
+        },
+        "HostInfo": {
+          "type": "string",
+          "format": "byte"
+        },
+        "Endpoints": {
+          "type": "string",
+          "format": "byte"
+        },
+        "EnabledRoutes": {
+          "type": "string",
+          "format": "byte"
+        },
+        "CreatedAt": {
+          "type": "string",
+          "format": "date-time"
+        },
+        "UpdatedAt": {
+          "type": "string",
+          "format": "date-time"
+        },
+        "DeletedAt": {
+          "type": "string",
+          "format": "date-time"
+        }
+      }
+    },
+    "v1Namespace": {
+      "type": "object",
+      "properties": {
+        "Name": {
+          "type": "string"
+        }
+      }
+    },
+    "v1PreAuthKey": {
+      "type": "object",
+      "properties": {
+        "ID": {
+          "type": "string",
+          "format": "uint64"
+        },
+        "Key": {
+          "type": "string"
+        },
+        "NamespaceID": {
+          "type": "integer",
+          "format": "int64"
+        },
+        "Namespace": {
+          "$ref": "#/definitions/v1Namespace"
+        },
+        "Reusable": {
+          "type": "boolean"
+        },
+        "Ephemeral": {
+          "type": "boolean"
+        },
+        "Used": {
+          "type": "boolean"
+        },
+        "CreatedAt": {
+          "type": "string",
+          "format": "date-time"
+        },
+        "Expiration": {
+          "type": "string",
+          "format": "date-time"
+        }
+      }
+    },
+    "v1RegisterMethod": {
+      "type": "string",
+      "enum": [
+        "AUTH_KEY",
+        "CLI",
+        "OIDC"
+      ],
+      "default": "AUTH_KEY"
+    }
+  }
+}

go.mod

@@ -16,7 +16,9 @@ require (
 	github.com/gofrs/uuid v4.0.0+incompatible
 	github.com/google/go-github v17.0.0+incompatible // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.6.0
 	github.com/hako/durafmt v0.0.0-20210608085754-5c1018a4e16b
+	github.com/infobloxopen/protoc-gen-gorm v1.0.1
 	github.com/klauspost/compress v1.13.5
 	github.com/lib/pq v1.10.3 // indirect
 	github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6 // indirect
@@ -26,7 +28,7 @@ require (
 	github.com/prometheus/client_golang v1.11.0
 	github.com/pterm/pterm v0.12.30
 	github.com/rs/zerolog v1.25.0
-	github.com/s12v/go-jwks v0.2.1
+	github.com/soheilhy/cmux v0.1.5
 	github.com/spf13/cobra v1.2.1
 	github.com/spf13/viper v1.8.1
 	github.com/stretchr/testify v1.7.0
@@ -36,8 +38,13 @@ require (
 	github.com/zsais/go-gin-prometheus v0.1.0
 	golang.org/x/crypto v0.0.0-20210817164053-32db794688a5
 	golang.org/x/net v0.0.0-20210913180222-943fd674d43e // indirect
-	golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602
+	golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f
+	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
 	golang.org/x/sys v0.0.0-20210910150752-751e447fb3d0 // indirect
+	google.golang.org/genproto v0.0.0-20210903162649-d08c68adba83
+	google.golang.org/grpc v1.40.0
+	google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0
+	google.golang.org/protobuf v1.27.1
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c
 	gopkg.in/yaml.v2 v2.4.0
 	gorm.io/datatypes v1.0.2

go.sum

@@ -38,6 +38,7 @@ cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0Zeo
 cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
 cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
+contrib.go.opencensus.io/exporter/ocagent v0.7.0/go.mod h1:IshRmMJBhDfFj5Y67nVhMYTTIze91RUeT73ipWKs/GY=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/AlecAivazis/survey/v2 v2.3.2 h1:TqTB+aDDCLYhf9/bD2TwSO8u8jDSmMUd2SUVO4gCnU8=
 github.com/AlecAivazis/survey/v2 v2.3.2/go.mod h1:TH2kPCDU3Kqq7pLbnCWwZXDBjnhZtmsCle5EiYDJ2fg=
@@ -46,6 +47,7 @@ github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 h1:UQHMgLO+TxOEl
 github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/DATA-DOG/go-sqlmock v1.5.0/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
 github.com/Djarvur/go-err113 v0.0.0-20200511133814-5174e21577d5/go.mod h1:4UJr5HIiMZrwgkSPdsjy2uOQExX/WEILpIrO9UPGuXs=
 github.com/Djarvur/go-err113 v0.1.0/go.mod h1:4UJr5HIiMZrwgkSPdsjy2uOQExX/WEILpIrO9UPGuXs=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
@@ -70,6 +72,7 @@ github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 h1:TngWCqHvy9oXAN6lEV
 github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5/go.mod h1:lmUJ/7eu/Q8D7ML55dXQrVaamCz2vxCfdQBasLZfHKk=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/OpenPeeDeeP/depguard v1.0.1/go.mod h1:xsIw86fROiiwelg+jB2uM9PiKihMMmUx/1V+TNhjQvM=
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@@ -84,6 +87,7 @@ github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRF
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@@ -105,12 +109,14 @@ github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24
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@@ -134,6 +140,7 @@ github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDk
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@@ -170,9 +177,12 @@ github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
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@@ -201,7 +211,10 @@ github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1m
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@@ -216,6 +229,7 @@ github.com/frankban/quicktest v1.13.0/go.mod h1:qLE0fzW0VuyUAJgPU19zByoIr0HtCHN/
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@@ -251,6 +265,7 @@ github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+
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@@ -280,6 +295,8 @@ github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69
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@@ -372,6 +389,7 @@ github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 h1:El6M4kTTCOh6aBiKaU
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@@ -379,6 +397,7 @@ github.com/gookit/color v1.4.2 h1:tXy44JFSFkKnELV6WaMo/lLfu/meqITX3iAV52do7lk=
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@@ -396,10 +415,17 @@ github.com/gostaticanalysis/comment v1.3.0/go.mod h1:xMicKDx7XRXYdVwY9f9wQpDJVnq
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@@ -443,6 +469,9 @@ github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH
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@@ -510,9 +539,13 @@ github.com/jackc/puddle v1.1.3/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dv
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@@ -557,9 +590,11 @@ github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI
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@@ -582,8 +617,10 @@ github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgx
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@@ -593,6 +630,7 @@ github.com/logrusorgru/aurora v0.0.0-20181002194514-a7b3b318ed4e/go.mod h1:7rIyQ
 github.com/lxn/walk v0.0.0-20210112085537-c389da54e794/go.mod h1:E23UucZGqpuUANJooIbHWCufXvOcT6E7Stq81gU+CSQ=
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@@ -622,7 +660,9 @@ github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzp
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@@ -692,6 +732,7 @@ github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OS
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@@ -749,6 +790,7 @@ github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
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@@ -816,8 +858,6 @@ github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQD
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@@ -841,6 +881,7 @@ github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMB
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@@ -848,6 +889,8 @@ github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1
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@@ -862,6 +905,7 @@ github.com/spf13/cast v1.3.1 h1:nFm6S0SMdyzrzcmThSipiEubIDy8WEXKNZ0UOgiRpng=
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@@ -877,8 +921,6 @@ github.com/spf13/viper v1.7.0/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5q
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@@ -919,6 +961,7 @@ github.com/tomarrell/wrapcheck v0.0.0-20200807122107-df9e8bcb914d/go.mod h1:yiFB
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@@ -974,7 +1017,9 @@ go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
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+go.opencensus.io v0.22.6/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
 go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
+go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
@@ -988,6 +1033,7 @@ go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9E
 go.uber.org/zap v1.9.1/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM=
+go.uber.org/zap v1.16.0/go.mod h1:MA8QOfq0BHJwdXa996Y4dYkAqRKB8/1K1QMMZVaNZjQ=
 go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
 go4.org/intern v0.0.0-20210108033219-3eb7198706b2 h1:VFTf+jjIgsldaz/Mr00VaCSswHJrI2hIjQygE/W4IMg=
 go4.org/intern v0.0.0-20210108033219-3eb7198706b2/go.mod h1:vLqJ+12kCw61iCWsPto0EOHhBS+o4rO5VIucbc9g2Cc=
@@ -996,7 +1042,6 @@ go4.org/mem v0.0.0-20201119185036-c04c5a6ff174/go.mod h1:reUoABIJ9ikfM5sgtSF3Wus
 go4.org/unsafe/assume-no-moving-gc v0.0.0-20201222175341-b30ae309168e/go.mod h1:FftLjUGFEDu5k8lt0ddY+HcrH/qU/0qk+H8j9/nTl3E=
 go4.org/unsafe/assume-no-moving-gc v0.0.0-20201222180813-1025295fd063 h1:1tk03FUNpulq2cuWpXZWj649rwJpk0d20rxWiopKRmc=
 go4.org/unsafe/assume-no-moving-gc v0.0.0-20201222180813-1025295fd063/go.mod h1:FftLjUGFEDu5k8lt0ddY+HcrH/qU/0qk+H8j9/nTl3E=
-golang.org/x/crypto v0.0.0-20180621125126-a49355c7e3f8/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190219172222-a4c6cb3142f2/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -1010,6 +1055,7 @@ golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190911031432-227b76d455e7/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20191205180655-e7c4368fe9dd/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200302210943-78000ba7a073/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
@@ -1034,6 +1080,7 @@ golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u0
 golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
 golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
 golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
+golang.org/x/exp v0.0.0-20200331195152-e8c3332aa8e5/go.mod h1:4M0jN8W1tt0AVLNr8HDosyJCDCDuyL9N9+3m7wDWgKw=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -1059,8 +1106,8 @@ golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/net v0.0.0-20180218175443-cbe0f9307d01/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20180729183719-c4299a1a0d85/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -1083,6 +1130,7 @@ golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20191002035440-2ec189313ef0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20191007182048-72f939374954/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -1091,6 +1139,7 @@ golang.org/x/net v0.0.0-20200222125558-5a598a2470a0/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200421231249-e086a090c8fd/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200501053045-e0ff5e5a1de5/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200505041828-1ed23360d12c/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200506145744-7e3656a0809f/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
@@ -1105,6 +1154,7 @@ golang.org/x/net v0.0.0-20201010224723-4f7140c49acb/go.mod h1:sp8m0HH+o8qH0wwXwY
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201031054903-ff519b6c9102/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
+golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201209123823-ac852fbbde11/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20201216054612-986b41b23924/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
@@ -1127,8 +1177,10 @@ golang.org/x/oauth2 v0.0.0-20201208152858-08078c50e5b5/go.mod h1:KelEdhl1UZF7XfJ
 golang.org/x/oauth2 v0.0.0-20210218202405-ba52d332ba99/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20210220000619-9bb904979d93/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20210313182246-cd4f82c27b84/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
-golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602 h1:0Ja1LBD+yisY6RWM/BH7TJVXWsSjs2VwBSmvSX4HdBc=
 golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20210427180440-81ed05c6b58c/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f h1:Qmd2pbz05z7z6lm0DrgQVVPuBm92jqujBKMHMOlOQEw=
+golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -1189,6 +1241,7 @@ golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200331124033-c3d80250170d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200420163511-1957bb5e6d1f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200501052902-10377860bb8e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200511232937-7e40ca221e25/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200515095857-1151b9dac4a9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -1317,11 +1370,13 @@ golang.org/x/tools v0.0.0-20200426102838-f3a5411a4c3b/go.mod h1:EkVYQZoAsY45+roY
 golang.org/x/tools v0.0.0-20200501065659-ab2804fb9c9d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20200512131952-2bc93b1c0c88/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20200515010526-7d3b6ebf133d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20200522201501-cb1345f3a375/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20200618134242-20370b0cb4b2/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20200622203043-20e05c1c8ffa/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20200624225443-88f3c62a19ff/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20200625211823-6506e20df31f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20200717024301-6ddee64345a6/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
 golang.org/x/tools v0.0.0-20200724022722-7017fd6b1305/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
 golang.org/x/tools v0.0.0-20200729194436-6467de6f59a7/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
 golang.org/x/tools v0.0.0-20200731060945-b5fad4ed8dd6/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
@@ -1370,6 +1425,7 @@ google.golang.org/api v0.19.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/
 google.golang.org/api v0.20.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
 google.golang.org/api v0.22.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
 google.golang.org/api v0.24.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0MncE=
+google.golang.org/api v0.25.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0MncE=
 google.golang.org/api v0.28.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0MncE=
 google.golang.org/api v0.29.0/go.mod h1:Lcubydp8VUV7KeIHD9z2Bys/sm/vGKnG1UHuDBSrHWM=
 google.golang.org/api v0.30.0/go.mod h1:QGmEvQ87FHZNiUVJkT14jQNYJ4ZJjdRF23ZXz5138Fc=
@@ -1410,26 +1466,34 @@ google.golang.org/genproto v0.0.0-20200228133532-8c2c7df3a383/go.mod h1:55QSHmfG
 google.golang.org/genproto v0.0.0-20200305110556-506484158171/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200312145019-da6875a35672/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200331122359-1ee6d9798940/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200423170343-7949de9c1215/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200430143042-b979b6f78d84/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200511104702-f5ebc3bea380/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200515170657-fc4c6c6a6587/go.mod h1:YsZOwe1myG/8QRHRsmBRE1LrgQY60beZKjly0O1fX9U=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
+google.golang.org/genproto v0.0.0-20200527145253-8367513e4ece/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
 google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
 google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20200806141610-86f49bd18e98/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200904004341-0bd0a958aa1d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20201109203340-2640f1f9cdfb/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20201201144952-b05cb90ed32e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20201210142538-e3217bee35cc/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20201214200347-8c77b98c765d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210207032614-bba0dbe2a9ea/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210222152913-aa3ee6e6a81c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210224155714-063164c882e6/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210303154014-9728d6b83eeb/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210310155132-4ce2db91004e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210319143718-93e7006c17a6/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210402141018-6c239bbf2bb1/go.mod h1:9lPAdzaEmUacj36I+k7YKbEc5CXzPIeORRgDAUOu28A=
+google.golang.org/genproto v0.0.0-20210426193834-eac7f76ac494/go.mod h1:P3QM42oQyzQSnHPnZ/vqoCdDmzH28fzWByN9asMeM8A=
 google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
+google.golang.org/genproto v0.0.0-20210903162649-d08c68adba83 h1:3V2dxSZpz4zozWWUq36vUxXEKnSYitEH2LdsAx+RUmg=
+google.golang.org/genproto v0.0.0-20210903162649-d08c68adba83/go.mod h1:eFjDcFEctNawg4eG61bRv87N7iHBWyVhJu7u1kqDUXY=
 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLDdAQM=
@@ -1451,10 +1515,19 @@ google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM
 google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
 google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
+google.golang.org/grpc v1.35.0-dev.0.20201218190559-666aea1fb34c/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
 google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc v1.40.0 h1:AGJ0Ih4mHjSeibYkFGh1dD9KJ/eOtZ93I6hoHhukQ5Q=
+google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
+google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.0.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
+google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0 h1:M1YKkFIboKNieVO5DLUEVzQfGwJD30Nv2jfUgzb5UcE=
+google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
+google.golang.org/grpc/examples v0.0.0-20210309220351-d5b628860d4e/go.mod h1:Ly7ZA/ARzg8fnPU9TyZIxoz33sEUuWX7txiqs8lPTgE=
+google.golang.org/grpc/examples v0.0.0-20210601155443-8bdcb4c9ab8d/go.mod h1:bF8wuZSAZTcbF7ZPKrDI/qY52toTP/yxLpRRY4Eu9Js=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -1465,9 +1538,12 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
+google.golang.org/protobuf v1.25.1-0.20200805231151-a709e31e5d12/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
+google.golang.org/protobuf v1.25.1-0.20201208041424-160c7477e0e8/go.mod h1:hFxJC2f0epmp1elRCiEGJTKAWbwxZ2nvqZdHl3FQXCY=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
+google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@@ -1484,7 +1560,6 @@ gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/ini.v1 v1.62.0 h1:duBzk771uxoUuOlyRLkHsygud9+5lrlGjdFBb4mSKDU=
 gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
-gopkg.in/square/go-jose.v2 v2.3.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
 gopkg.in/square/go-jose.v2 v2.5.1 h1:7odma5RETjNHWJnR32wx8t+Io4djHE1PqxCFx3iiZ2w=
 gopkg.in/square/go-jose.v2 v2.5.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=

grpcv1.go

@@ -0,0 +1,34 @@
+//nolint
+package headscale
+
+import (
+	"context"
+
+	apiV1 "github.com/juanfont/headscale/gen/go/v1"
+)
+
+type headscaleV1APIServer struct { // apiV1.HeadscaleServiceServer
+	apiV1.UnimplementedHeadscaleServiceServer
+	h *Headscale
+}
+
+func newHeadscaleV1APIServer(h *Headscale) apiV1.HeadscaleServiceServer {
+	return headscaleV1APIServer{
+		h: h,
+	}
+}
+
+func (api headscaleV1APIServer) GetMachine(
+	ctx context.Context,
+	request *apiV1.GetMachineRequest,
+) (*apiV1.Machine, error) {
+	m, err := api.h.GetMachineByID(request.MachineId)
+	if err != nil {
+		return nil, err
+	}
+
+	// TODO(kradalby): Make this function actually do something
+	return &apiV1.Machine{Name: m.Name}, nil
+}
+
+func (api headscaleV1APIServer) mustEmbedUnimplementedHeadscaleServiceServer() {}

integration_test.go

@@ -230,7 +230,6 @@ func (s *IntegrationTestSuite) SetupSuite() {
 		Name: "headscale",
 		Mounts: []string{
 			fmt.Sprintf("%s/integration_test/etc:/etc/headscale", currentPath),
-			fmt.Sprintf("%s/derp.yaml:/etc/headscale/derp.yaml", currentPath),
 		},
 		Networks: []*dockertest.Network{&network},
 		Cmd:      []string{"headscale", "serve"},
@@ -289,7 +288,16 @@ func (s *IntegrationTestSuite) SetupSuite() {
 		fmt.Printf("Creating pre auth key for %s\n", namespace)
 		authKey, err := executeCommand(
 			&headscale,
-			[]string{"headscale", "--namespace", namespace, "preauthkeys", "create", "--reusable", "--expiration", "24h"},
+			[]string{
+				"headscale",
+				"--namespace",
+				namespace,
+				"preauthkeys",
+				"create",
+				"--reusable",
+				"--expiration",
+				"24h",
+			},
 			[]string{},
 		)
 		assert.Nil(s.T(), err)
@@ -298,7 +306,16 @@ func (s *IntegrationTestSuite) SetupSuite() {
 
 		fmt.Printf("Joining tailscale containers to headscale at %s\n", headscaleEndpoint)
 		for hostname, tailscale := range scales.tailscales {
-			command := []string{"tailscale", "up", "-login-server", headscaleEndpoint, "--authkey", strings.TrimSuffix(authKey, "\n"), "--hostname", hostname}
+			command := []string{
+				"tailscale",
+				"up",
+				"-login-server",
+				headscaleEndpoint,
+				"--authkey",
+				strings.TrimSuffix(authKey, "\n"),
+				"--hostname",
+				hostname,
+			}
 
 			fmt.Println("Join command:", command)
 			fmt.Printf("Running join command for %s\n", hostname)
@@ -476,7 +493,7 @@ func (s *IntegrationTestSuite) TestSharedNodes() {
 
 		result, err := executeCommand(
 			&headscale,
-			[]string{"headscale", "nodes", "share", "--namespace", "shared", fmt.Sprint(machine.ID), "main"},
+			[]string{"headscale", "nodes", "share", "--identifier", fmt.Sprint(machine.ID), "--namespace", "main"},
 			[]string{},
 		)
 		assert.Nil(s.T(), err)
@@ -661,7 +678,13 @@ func (s *IntegrationTestSuite) TestMagicDNS() {
 							fmt.Sprintf("%s.%s.headscale.net", peername, namespace),
 						}
 
-						fmt.Printf("Pinging using Hostname (magicdns) from %s (%s) to %s (%s)\n", hostname, ips[hostname], peername, ip)
+						fmt.Printf(
+							"Pinging using Hostname (magicdns) from %s (%s) to %s (%s)\n",
+							hostname,
+							ips[hostname],
+							peername,
+							ip,
+						)
 						result, err := executeCommand(
 							&tailscale,
 							command,

integration_test/etc/config.json

@@ -1,19 +0,0 @@
-{
-  "server_url": "http://headscale:8080",
-  "listen_addr": "0.0.0.0:8080",
-  "private_key_path": "private.key",
-  "derp_map_path": "derp.yaml",
-  "ephemeral_node_inactivity_timeout": "30m",
-  "db_type": "sqlite3",
-  "db_path": "/tmp/integration_test_db.sqlite3",
-  "acl_policy_path": "",
-  "log_level": "trace",
-  "dns_config": {
-    "nameservers": [
-      "1.1.1.1"
-    ],
-    "domains": [],
-    "magic_dns": true,
-    "base_domain": "headscale.net"
-  }
-}

integration_test/etc/config.yaml

@@ -0,0 +1,20 @@
+log_level: trace
+acl_policy_path: ""
+db_type: sqlite3
+ephemeral_node_inactivity_timeout: 30m
+dns_config:
+  base_domain: headscale.net
+  magic_dns: true
+  domains: []
+  nameservers:
+    - 1.1.1.1
+db_path: /tmp/integration_test_db.sqlite3
+private_key_path: private.key
+listen_addr: 0.0.0.0:8080
+server_url: http://headscale:8080
+
+derp:
+  urls:
+    - https://controlplane.tailscale.com/derpmap/default
+  auto_update_enabled: false
+  update_frequency: 1m

k8s/README.md

@@ -1,7 +1,7 @@
-# Deploying Headscale on Kubernetes
+# Deploying headscale on Kubernetes
 
 This directory contains [Kustomize](https://kustomize.io) templates that deploy
-Headscale in various configurations.
+headscale in various configurations.
 
 These templates currently support Rancher k3s. Other clusters may require
 adaptation, especially around volume claims and ingress.
@@ -72,10 +72,10 @@ Usage:
 
 Available Commands:
   help        Help about any command
-  namespace   Manage the namespaces of Headscale
+  namespace   Manage the namespaces of headscale
-  node        Manage the nodes of Headscale
+  node        Manage the nodes of headscale
-  preauthkey  Handle the preauthkeys in Headscale
+  preauthkey  Handle the preauthkeys in headscale
-  routes      Manage the routes of Headscale
+  routes      Manage the routes of headscale
   serve       Launches the headscale server
   version     Print the version.
 

machine.go

@@ -67,7 +67,6 @@ func (m Machine) isExpired() bool {
 // a client to be disconnected, however they will have to re-auth the machine if they attempt to reconnect after the
 // expiry time.
 func (h *Headscale) updateMachineExpiry(m *Machine) {
-
 	if m.isExpired() {
 		now := time.Now().UTC()
 		maxExpiry := now.Add(h.cfg.MaxMachineRegistrationDuration)         // calculate the maximum expiry
@@ -75,7 +74,8 @@ func (h *Headscale) updateMachineExpiry(m *Machine) {
 
 		// clamp the expiry time of the machine registration to the maximum allowed, or use the default if none supplied
 		if maxExpiry.Before(*m.RequestedExpiry) {
-			log.Debug().Msgf("Clamping registration expiry time to maximum: %v (%v)", maxExpiry, h.cfg.MaxMachineRegistrationDuration)
+			log.Debug().
+				Msgf("Clamping registration expiry time to maximum: %v (%v)", maxExpiry, h.cfg.MaxMachineRegistrationDuration)
 			m.Expiry = &maxExpiry
 		} else if m.RequestedExpiry.IsZero() {
 			log.Debug().Msgf("Using default machine registration expiry time: %v (%v)", defaultExpiry, h.cfg.DefaultMachineRegistrationDuration)
@@ -359,7 +359,11 @@ func (ms MachinesP) String() string {
 	return fmt.Sprintf("[ %s ](%d)", strings.Join(temp, ", "), len(temp))
 }
 
-func (ms Machines) toNodes(baseDomain string, dnsConfig *tailcfg.DNSConfig, includeRoutes bool) ([]*tailcfg.Node, error) {
+func (ms Machines) toNodes(
+	baseDomain string,
+	dnsConfig *tailcfg.DNSConfig,
+	includeRoutes bool,
+) ([]*tailcfg.Node, error) {
 	nodes := make([]*tailcfg.Node, len(ms))
 
 	for index, machine := range ms {
@@ -480,7 +484,9 @@ func (m Machine) toNode(baseDomain string, dnsConfig *tailcfg.DNSConfig, include
 
 	n := tailcfg.Node{
 		ID: tailcfg.NodeID(m.ID), // this is the actual ID
-		StableID:   tailcfg.StableNodeID(strconv.FormatUint(m.ID, 10)), // in headscale, unlike tailcontrol server, IDs are permanent
+		StableID: tailcfg.StableNodeID(
+			strconv.FormatUint(m.ID, 10),
+		), // in headscale, unlike tailcontrol server, IDs are permanent
 		Name:       hostname,
 		User:       tailcfg.UserID(m.NamespaceID),
 		Key:        tailcfg.NodeKey(nKey),

proto/buf.lock

@@ -0,0 +1,24 @@
+# Generated by buf. DO NOT EDIT.
+version: v1
+deps:
+  - remote: buf.build
+    owner: googleapis
+    repository: googleapis
+    branch: main
+    commit: cd101b0abb7b4404a0b1ecc1afd4ce10
+    digest: b1-H4GHwHVHcJBbVPg-Cdmnx812reFCDQws_QoQ0W2hYQA=
+    create_time: 2021-10-23T15:04:06.087748Z
+  - remote: buf.build
+    owner: grpc-ecosystem
+    repository: grpc-gateway
+    branch: main
+    commit: ff83506eb9cc4cf8972f49ce87e6ed3e
+    digest: b1-iLPHgLaoeWWinMiXXqPnxqE4BThtY3eSbswVGh9GOGI=
+    create_time: 2021-10-23T16:26:52.283938Z
+  - remote: buf.build
+    owner: ufoundit-dev
+    repository: protoc-gen-gorm
+    branch: main
+    commit: e2ecbaa0d37843298104bd29fd866df8
+    digest: b1-SV9yKH_8P-IKTOlHZxP-bb0ALANYeEqH_mtPA0EWfLc=
+    create_time: 2021-10-08T06:03:05.64876Z

proto/buf.yaml

@@ -0,0 +1,12 @@
+version: v1
+lint:
+  use:
+    - DEFAULT
+breaking:
+  use:
+    - FILE
+
+deps:
+  - buf.build/googleapis/googleapis
+  - buf.build/grpc-ecosystem/grpc-gateway
+  - buf.build/ufoundit-dev/protoc-gen-gorm

proto/v1/headscale.proto

@@ -0,0 +1,71 @@
+syntax = "proto3";
+package headscale.v1;
+option  go_package = "github.com/juanfont/headscale/gen/go/v1";
+
+import "google/protobuf/timestamp.proto";
+import "google/api/annotations.proto";
+import "options/gorm.proto";
+
+enum RegisterMethod {
+    AUTH_KEY = 0;
+    CLI      = 1;
+    OIDC     = 2;
+}
+
+message Namespace {
+    string Name = 1;
+}
+
+message PreAuthKey {
+    uint64    ID          = 1;
+    string    Key         = 2;
+    uint32    NamespaceID = 3;
+    Namespace Namespace   = 4;
+    bool      Reusable    = 5;
+    bool      Ephemeral   = 6;
+    bool      Used        = 7;
+
+    google.protobuf.Timestamp CreatedAt  = 8;
+    google.protobuf.Timestamp Expiration = 9;
+}
+
+message GetMachineRequest {
+    uint64 machine_id = 1;
+}
+
+message Machine {
+    option(gorm.opts).ormable = true;
+    uint64 ID                 = 1;
+    string MachineKey         = 2;
+    string NodeKey            = 3;
+    string DiscoKey           = 4;
+    string IPAddress          = 5;
+    string Name               = 6;
+    uint32 NamespaceID        = 7;
+
+    bool           Registered     = 8;
+    RegisterMethod RegisterMethod = 9;
+    uint32         AuthKeyID      = 10;
+    PreAuthKey     AuthKey        = 11;
+
+    google.protobuf.Timestamp LastSeen             = 12;
+    google.protobuf.Timestamp LastSuccessfulUpdate = 13;
+    google.protobuf.Timestamp Expiry               = 14;
+
+    bytes HostInfo      = 15;
+    bytes Endpoints     = 16;
+    bytes EnabledRoutes = 17;
+
+    google.protobuf.Timestamp CreatedAt = 18;
+    google.protobuf.Timestamp UpdatedAt = 19;
+    google.protobuf.Timestamp DeletedAt = 20;
+}
+
+// Gin Router will prefix this with /api/v1
+service HeadscaleService {
+    rpc GetMachine(GetMachineRequest) returns(Machine) {
+        option(google.api.http) = {
+            get : "/api/v1/machine/{machine_id}"
+        };
+    }
+}

sharing.go

@@ -43,7 +43,8 @@ func (h *Headscale) AddSharedMachineToNamespace(m *Machine, ns *Namespace) error
 // RemoveSharedMachineFromNamespace removes a shared machine from a namespace
 func (h *Headscale) RemoveSharedMachineFromNamespace(m *Machine, ns *Namespace) error {
 	if m.NamespaceID == ns.ID {
-		return errorSameNamespace
+		// Can't unshare from primary namespace
+		return errorMachineNotShared
 	}
 
 	sharedMachine := SharedMachine{}

sharing_test.go

@@ -86,6 +86,9 @@ func (s *Suite) TestUnshare(c *check.C) {
 
 	err = h.RemoveSharedMachineFromNamespace(m2, n1)
 	c.Assert(err, check.Equals, errorMachineNotShared)
+
+	err = h.RemoveSharedMachineFromNamespace(m1, n1)
+	c.Assert(err, check.Equals, errorMachineNotShared)
 }
 
 func (s *Suite) TestAlreadyShared(c *check.C) {

tools.go

@@ -0,0 +1,12 @@
+//go:build tools
+// +build tools
+
+package tools
+
+import (
+	_ "github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-grpc-gateway"
+	_ "github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-openapiv2"
+	_ "github.com/infobloxopen/protoc-gen-gorm"
+	_ "google.golang.org/grpc/cmd/protoc-gen-go-grpc"
+	_ "google.golang.org/protobuf/cmd/protoc-gen-go"
+)