Add go profiling flag, and enable on integration tests (#1382)

This commit is contained in:
Kristoffer Dalby 2023-04-27 16:57:11 +02:00 committed by GitHub
parent d0113732fe
commit 56dd734300
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44 changed files with 333 additions and 13 deletions

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@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -55,3 +55,9 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"

View file

@ -4,6 +4,9 @@
### Changes
- Add environment flags to enable pprof (profiling) [#1382](https://github.com/juanfont/headscale/pull/1382)
- Profiles are continously generated in our integration tests.
## 0.22.1 (2023-04-20)
### Changes

1
app.go
View file

@ -820,7 +820,6 @@ func (h *Headscale) Serve() error {
// And we're done:
cancel()
os.Exit(0)
}
}
}

View file

@ -76,6 +76,12 @@ jobs:
with:
name: logs
path: "control_logs/*.log"
- uses: actions/upload-artifact@v3
if: always() && steps.changed-files.outputs.any_changed == 'true'
with:
name: pprof
path: "control_logs/*.pprof.tar"
`),
)
)

View file

@ -6,11 +6,25 @@ import (
"github.com/efekarakus/termcolor"
"github.com/juanfont/headscale/cmd/headscale/cli"
"github.com/pkg/profile"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
)
func main() {
if _, enableProfile := os.LookupEnv("HEADSCALE_PROFILING_ENABLED"); enableProfile {
if profilePath, ok := os.LookupEnv("HEADSCALE_PROFILING_PATH"); ok {
err := os.MkdirAll(profilePath, os.ModePerm)
if err != nil {
log.Fatal().Err(err).Msg("failed to create profiling directory")
}
defer profile.Start(profile.ProfilePath(profilePath)).Stop()
} else {
defer profile.Start().Stop()
}
}
var colors bool
switch l := termcolor.SupportLevel(os.Stderr); l {
case termcolor.Level16M:

View file

@ -36,7 +36,7 @@
# When updating go.mod or go.sum, a new sha will need to be calculated,
# update this if you have a mismatch after doing a change to thos files.
vendorSha256 = "sha256-lqMmTPLlnm4dGs3O+hS0LmR5LTWP5ICqMSkNnB+XXLI=";
vendorSha256 = "sha256-5a3SR77vYp8AsVFyFhBQtHn1I2kdlph+RuAkuT6hPIs=";
ldflags = [ "-s" "-w" "-X github.com/juanfont/headscale/cmd/headscale/cli.Version=v${version}" ];
};
@ -100,6 +100,10 @@
nfpm
gotestsum
# 'dot' is needed for pprof graphs
# go tool pprof -http=: <source>
graphviz
# Protobuf dependencies
protobuf
protoc-gen-go

3
go.mod
View file

@ -64,6 +64,7 @@ require (
github.com/docker/go-connections v0.4.0 // indirect
github.com/docker/go-units v0.5.0 // indirect
github.com/dustin/go-humanize v1.0.1 // indirect
github.com/felixge/fgprof v0.9.3 // indirect
github.com/fsnotify/fsnotify v1.6.0 // indirect
github.com/fxamacker/cbor/v2 v2.4.0 // indirect
github.com/glebarez/go-sqlite v1.20.3 // indirect
@ -75,6 +76,7 @@ require (
github.com/google/go-cmp v0.5.9 // indirect
github.com/google/go-github v17.0.0+incompatible // indirect
github.com/google/go-querystring v1.1.0 // indirect
github.com/google/pprof v0.0.0-20221118152302-e6195bd50e26 // indirect
github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
github.com/google/uuid v1.3.0 // indirect
github.com/gookit/color v1.5.3 // indirect
@ -111,6 +113,7 @@ require (
github.com/opencontainers/runc v1.1.4 // indirect
github.com/pelletier/go-toml/v2 v2.0.6 // indirect
github.com/pkg/errors v0.9.1 // indirect
github.com/pkg/profile v1.7.0 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/prometheus/client_model v0.3.0 // indirect
github.com/prometheus/procfs v0.9.0 // indirect

8
go.sum
View file

@ -129,6 +129,8 @@ github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1m
github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5ynNVH9qI8YYLbd1fK2po=
github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
github.com/felixge/fgprof v0.9.3 h1:VvyZxILNuCiUCSXtPtYmmtGvb65nqXh2QFWc0Wpf2/g=
github.com/felixge/fgprof v0.9.3/go.mod h1:RdbpDgzqYVh/T9fPELJyV7EYJuHB55UTEULNun8eiPw=
github.com/frankban/quicktest v1.11.3/go.mod h1:wRf/ReqHper53s+kmmSZizM8NamnL3IM0I9ntUbOk+k=
github.com/frankban/quicktest v1.14.3 h1:FJKSZTDHjyhriyC81FLQ0LY93eSai0ZyR/ZIkd3ZUKE=
github.com/fsnotify/fsnotify v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4HY=
@ -238,7 +240,9 @@ github.com/google/pprof v0.0.0-20200708004538-1a94d8640e99/go.mod h1:ZgVRPoUq/hf
github.com/google/pprof v0.0.0-20201023163331-3e6fc7fc9c4c/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
github.com/google/pprof v0.0.0-20201203190320-1bf35d6f28c2/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
github.com/google/pprof v0.0.0-20201218002935-b9804c9f04c2/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
github.com/google/pprof v0.0.0-20211214055906-6f57359322fd/go.mod h1:KgnwoLYCZ8IQu3XUZ8Nc/bM9CCZFOyjUNOSygVozoDg=
github.com/google/pprof v0.0.0-20221118152302-e6195bd50e26 h1:Xim43kblpZXfIBQsbuBVKCudVG457BR2GZFIz3uw3hQ=
github.com/google/pprof v0.0.0-20221118152302-e6195bd50e26/go.mod h1:dDKJzRmX4S37WGHujM7tX//fmj1uioxKzKxz3lo4HJo=
github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 h1:El6M4kTTCOh6aBiKaUGG7oYTSPP8MxqL4YI3kZKwcP4=
github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510/go.mod h1:pupxD2MaaD3pAXIBCelhxNneeOaAeabZDe5s4K6zSpQ=
@ -272,6 +276,7 @@ github.com/hinshun/vt10x v0.0.0-20220119200601-820417d04eec h1:qv2VnGeEQHchGaZ/u
github.com/hinshun/vt10x v0.0.0-20220119200601-820417d04eec/go.mod h1:Q48J4R4DvxnHolD5P8pOtXigYlRuPLGl6moFx3ulM68=
github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
github.com/ianlancetaylor/demangle v0.0.0-20210905161508-09a460cdf81d/go.mod h1:aYm2/VgdVmcIU8iMfdMvDMsRAQjcfZSKFby6HOFvi/w=
github.com/imdario/mergo v0.3.13 h1:lFzP57bqS/wsqKssCGmtLAb8A0wKjLGrve2q3PPVcBk=
github.com/imdario/mergo v0.3.13/go.mod h1:4lJ1jqUDcsbIECGy0RUJAXNIhg+6ocWgb1ALK2O4oXg=
github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
@ -384,6 +389,8 @@ github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsK
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pkg/profile v1.7.0 h1:hnbDkaNWPCLMO9wGLdBFTIZvzDrDfBM2072E1S9gJkA=
github.com/pkg/profile v1.7.0/go.mod h1:8Uer0jas47ZQMJ7VD+OHknK4YDY07LPUC6dEvqDjvNo=
github.com/pkg/sftp v1.13.1/go.mod h1:3HaPG6Dq1ILlpPZRO0HVMrsydcdLt6HRDccSgb87qRg=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
@ -669,6 +676,7 @@ golang.org/x/sys v0.0.0-20210616094352-59db8d763f22/go.mod h1:oPkhp1MJrh7nUepCBc
golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210906170528-6f6e22806c34/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20211007075335-d3039528d8ac/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20211013075003-97ac67df715c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20211116061358-0a5406a5449c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

View file

@ -8,6 +8,7 @@ import (
type ControlServer interface {
Shutdown() error
SaveLog(string) error
SaveProfile(string) error
Execute(command []string) (string, error)
ConnectToNetwork(network *dockertest.Network) error
GetHealthEndpoint() string

View file

@ -16,6 +16,9 @@ import (
"net"
"net/http"
"net/url"
"os"
"path"
"strings"
"time"
"github.com/davecgh/go-spew/spew"
@ -205,7 +208,10 @@ func New(
ContextDir: dockerContextPath,
}
env := []string{}
env := []string{
"HEADSCALE_PROFILING_ENABLED=1",
"HEADSCALE_PROFILING_PATH=/tmp/profile",
}
for key, value := range hsic.env {
env = append(env, fmt.Sprintf("%s=%s", key, value))
}
@ -219,7 +225,7 @@ func New(
// Cmd: []string{"headscale", "serve"},
// TODO(kradalby): Get rid of this hack, we currently need to give us some
// to inject the headscale configuration further down.
Entrypoint: []string{"/bin/bash", "-c", "/bin/sleep 3 ; headscale serve"},
Entrypoint: []string{"/bin/bash", "-c", "/bin/sleep 3 ; headscale serve ; /bin/sleep 30"},
Env: env,
}
@ -305,6 +311,33 @@ func (t *HeadscaleInContainer) hasTLS() bool {
// Shutdown stops and cleans up the Headscale container.
func (t *HeadscaleInContainer) Shutdown() error {
err := t.SaveLog("/tmp/control")
if err != nil {
log.Printf(
"Failed to save log from control: %s",
fmt.Errorf("failed to save log from control: %w", err),
)
}
// Send a interrupt signal to the "headscale" process inside the container
// allowing it to shut down gracefully and flush the profile to disk.
// The container will live for a bit longer due to the sleep at the end.
err = t.SendInterrupt()
if err != nil {
log.Printf(
"Failed to send graceful interrupt to control: %s",
fmt.Errorf("failed to send graceful interrupt to control: %w", err),
)
}
err = t.SaveProfile("/tmp/control")
if err != nil {
log.Printf(
"Failed to save profile from control: %s",
fmt.Errorf("failed to save profile from control: %w", err),
)
}
return t.pool.Purge(t.container)
}
@ -314,6 +347,24 @@ func (t *HeadscaleInContainer) SaveLog(path string) error {
return dockertestutil.SaveLog(t.pool, t.container, path)
}
func (t *HeadscaleInContainer) SaveProfile(savePath string) error {
tarFile, err := t.FetchPath("/tmp/profile")
if err != nil {
return err
}
err = os.WriteFile(
path.Join(savePath, t.hostname+".pprof.tar"),
tarFile,
os.ModePerm,
)
if err != nil {
return err
}
return nil
}
// Execute runs a command inside the Headscale container and returns the
// result of stdout as a string.
func (t *HeadscaleInContainer) Execute(
@ -498,6 +549,26 @@ func (t *HeadscaleInContainer) WriteFile(path string, data []byte) error {
return integrationutil.WriteFileToContainer(t.pool, t.container, path, data)
}
// FetchPath gets a path from inside the Headscale container and returns a tar
// file as byte array.
func (t *HeadscaleInContainer) FetchPath(path string) ([]byte, error) {
return integrationutil.FetchPathFromContainer(t.pool, t.container, path)
}
func (t *HeadscaleInContainer) SendInterrupt() error {
pid, err := t.Execute([]string{"pidof", "headscale"})
if err != nil {
return err
}
_, err = t.Execute([]string{"kill", "-2", strings.Trim(pid, "'\n")})
if err != nil {
return err
}
return nil
}
// nolint
func createCertificate(hostname string) ([]byte, []byte, error) {
// From:

View file

@ -72,3 +72,24 @@ func WriteFileToContainer(
return nil
}
func FetchPathFromContainer(
pool *dockertest.Pool,
container *dockertest.Resource,
path string,
) ([]byte, error) {
buf := bytes.NewBuffer([]byte{})
err := pool.Client.DownloadFromContainer(
container.Container.ID,
docker.DownloadFromContainerOptions{
OutputStream: buf,
Path: path,
},
)
if err != nil {
return nil, err
}
return buf.Bytes(), nil
}

View file

@ -149,15 +149,7 @@ func NewScenario() (*Scenario, error) {
// environment running the tests.
func (s *Scenario) Shutdown() error {
s.controlServers.Range(func(_ string, control ControlServer) bool {
err := control.SaveLog("/tmp/control")
if err != nil {
log.Printf(
"Failed to save log from control: %s",
fmt.Errorf("failed to save log from control: %w", err),
)
}
err = control.Shutdown()
err := control.Shutdown()
if err != nil {
log.Printf(
"Failed to shut down control: %s",