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This PR removes the complicated session management introduced in https://github.com/juanfont/headscale/pull/1791 which kept track of the sessions in a map, in addition to the channel already kept track of in the notifier. Instead of trying to close the mapsession, it will now be replaced by the new one and closed after so all new updates goes to the right place. The map session serve function is also split into a streaming and a non-streaming version for better readability. RemoveNode in the notifier will not remove a node if the channel is not matching the one that has been passed (e.g. it has been replaced with a new one). A new tuning parameter has been added to added to set timeout before the notifier gives up to send an update to a node. Add a keep alive resetter so we wait with sending keep alives if a node has just received an update. In addition it adds a bunch of env debug flags that can be set: - `HEADSCALE_DEBUG_HIGH_CARDINALITY_METRICS`: make certain metrics include per node.id, not recommended to use in prod. - `HEADSCALE_DEBUG_PROFILING_ENABLED`: activate tracing - `HEADSCALE_DEBUG_PROFILING_PATH`: where to store traces - `HEADSCALE_DEBUG_DUMP_CONFIG`: calls `spew.Dump` on the config object startup - `HEADSCALE_DEBUG_DEADLOCK`: enable go-deadlock to dump goroutines if it looks like a deadlock has occured, enabled in integration tests. Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com> |
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| .. | ||
| dockertestutil | ||
| hsic | ||
| integrationutil | ||
| tsic | ||
| acl_test.go | ||
| auth_oidc_test.go | ||
| auth_web_flow_test.go | ||
| cli_test.go | ||
| control.go | ||
| embedded_derp_test.go | ||
| general_test.go | ||
| README.md | ||
| route_test.go | ||
| run.sh | ||
| scenario.go | ||
| scenario_test.go | ||
| ssh_test.go | ||
| tailscale.go | ||
| utils.go | ||
Integration testing
Headscale relies on integration testing to ensure we remain compatible with Tailscale.
This is typically performed by starting a Headscale server and running a test "scenario" with an array of Tailscale clients and versions.
Headscale's test framework and the current set of scenarios are defined in this directory.
Tests are located in files ending with _test.go and the framework are located in the rest.
Running integration tests locally
The easiest way to run tests locally is to use [act](INSERT LINK), a local GitHub Actions runner:
act pull_request -W .github/workflows/test-integration-v2-TestPingAllByIP.yaml
Alternatively, the docker run command in each GitHub workflow file can be used.
Running integration tests on GitHub Actions
Each test currently runs as a separate workflows in GitHub actions, to add new test, run
go generate inside ../cmd/gh-action-integration-generator/ and commit the result.