mirror of https://github.com/status-im/consul.git
Merge pull request #10956 from hashicorp/dnephin/update-contrib
Update contributing guide
This commit is contained in:
Daniel Nephin
GitHub
commit
63c07c916a
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@ -26,7 +26,7 @@ are deployed from this repo.
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### Reporting an Issue:
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>Note: Issues on GitHub for Consul are intended to be related to bugs or feature requests.
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>Questions should be directed to other community resources such as the: [Mailing List](https://groups.google.com/group/consul-tool/), [FAQ](https://www.consul.io/docs/faq.html), or [Guides](https://www.consul.io/docs/guides/index.html).
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>Questions should be directed to other community resources such as the: [Discuss Forum](https://discuss.hashicorp.com/c/consul/29), [FAQ](https://www.consul.io/docs/faq.html), or [Guides](https://www.consul.io/docs/guides/index.html).
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* Make sure you test against the latest released version. It is possible we
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already fixed the bug you're experiencing. However, if you are on an older
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@ -86,66 +86,32 @@ to work on the fork is to set it as a remote of the Consul project:
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By following these steps you can push to your fork to create a PR, but the code on disk still
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lives in the spot where the go cli tools are expecting to find it.
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>Note: If you make any changes to the code, run `make format` to automatically format the code according to Go standards.
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>Note: If you make any changes to the code, run `gofmt -s -w` to automatically format the code according to Go standards.
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## Testing
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### During Development: Run Relevant Test(s)
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During development, it may be more convenient to check your work-in-progress by running only the tests which you expect to be affected by your changes, as the full test suite can take several minutes to execute. [Go's built-in test tool](https://golang.org/pkg/cmd/go/internal/test/) allows specifying a list of packages to test and the `-run` option to only include test names matching a regular expression.
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The `go test -short` flag can also be used to skip slower tests.
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Examples (run from the repository root):
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- `go test -v ./connect` will run all tests in the connect package (see `./connect` folder)
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- `go test -v -run TestRetryJoin ./command/agent` will run all tests in the agent package (see `./command/agent` folder) with name substring `TestRetryJoin`
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### Before Submitting Changes: Run All Tests
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When a pull request is opened CI will run all tests and lint to verify the change.
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Before submitting changes, run **all** tests locally by typing `make test`.
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The test suite may fail if over-parallelized, so if you are seeing stochastic
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failures try `GOTEST_FLAGS="-p 2 -parallel 2" make test`.
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## Go Module Dependencies
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Certain testing patterns such as creating a test `Client` in the `api` pkg
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or a `TestAgent` followed by a session can lead to flaky tests. More generally,
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any tests with components that rely on readiness of other components are often
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flaky.
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If a dependency is added or change, run `go mod tidy` to update `go.mod` and `go.sum`.
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Our makefile has some tooling built in to help validate the stability of single
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or package-wide tests. By running the `test-flake` goal we spin up a local docker
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container that mirrors a CPU constrained version of our CI environment. Here we can
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surface uncommon failures that are typically hard to reproduce by re-running
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tests multiple times.
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## Developer Documentation
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The makefile goal accepts the following variables as arguments:
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Documentation about the Consul code base is under [./contributing],
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and godoc package document can be read at [pkg.go.dev/github.com/hashicorp/consul].
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* **FLAKE_PKG** Target package (required)
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[./contributing]: ../contributing/README.md
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[pkg.go.dev/github.com/hashicorp/consul]: https://pkg.go.dev/github.com/hashicorp/consul
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* **FLAKE_TEST** Target test
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* **FLAKE_CPUS** Amount of CPU resources for container
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* **FLAKE_N** Number of times to run tests
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Examples:
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`make test-flake FLAKE_PKG=connect/proxy`
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`make test-flake FLAKE_PKG=connect/proxy FLAKE_TEST=TestUpstreamListener`
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`make test-flake FLAKE_PKG=connect/proxy FLAKE_TEST=TestUpstreamListener FLAKE_CPUS=0.15 FLAKE_N=30`
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The underlying script dumps the full Consul log output to `test.log` in
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the directory of the target package. In the example above it would be
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located at `consul/connect/proxy/test.log`.
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Historically, the defaults for `FLAKE_CPUS` (0.15) and `FLAKE_N` (30) have been
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sufficient to surface a flaky test. If a test is run in this environment and
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it does not fail after 30 iterations, it should be sufficiently stable.
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## Vendoring
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Consul currently uses Go Modules for vendoring.
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Please only apply the minimal vendor changes to get your PR to work.
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Consul does not attempt to track the latest version for each dependency.
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## Checklists
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### Checklists
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Some common changes that many PRs require such as adding config fields, are
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documented through checklists.
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