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👋 hello there! I'm a fellow Googler who works on projects that leverage GitHub Actions for CI/CD. Recently I noticed a large increase in our queue time, and I've tracked it down to the [limit of 180 concurrent jobs](https://docs.github.com/en/actions/reference/usage-limits-billing-and-administration) for an organization. To help be better citizens, I'm proposing changes across a few repositories that will reduce GitHub Actions hours and consumption. I hope these changes are reasonable and I'm happy to talk through them in more detail.
- (**you were already doing this, thank you!**) Only run GitHub Actions for pushes and PRs against the main branch of the repository. If your team uses a forking model, this change will not affect you. If your team pushes branches to the repository directly, this changes actions to only run against the primary branches or if you open a Pull Request against a primary branch.
- For long-running jobs (especially tests), I added the "Cancel previous" workflow. This is very helpful to prevent a large queue backlog when you are doing rapid development and pushing multiple commits. Without this, GitHub Actions' default behavior is to run all actions on all commits.
There are other changes you could make, depending on your project (but I'm not an expert):
- If you have tests that should only run when a subset of code changes, consider gating your workflow to particular file paths. For example, we have some jobs that do Terraform linting, but [they only run when Terraform files are changed](https://github.com/google/exposure-notifications-verification-server/blob/c4f59fee71042cf668747e599e7c769fca736554/.github/workflows/terraform.yml#L3-L11).
Hopefully these changes are not too controversial and also hopefully you can see how this would reduce actions consumption to be good citizens to fellow Googlers. If you have any questions, feel free to respond here or ping me on chat. Thank you!
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Files removed from the working tree were not being properly removed from
the branch, leading to symbol conflicts while building. This requires the
change to 'git add --all' in the tools/go_branch.sh script.
But why was this not caught by CI? The "git clean -f" command by default
only cleans files in the current working directory. In order to clean the
whole tree recursively, we need to specify a pathspec, which is ".".
In addition to these fixes, re-add the "go tests" command to help prevent
this from happening again, since merges on the Go branch will happen in
GitHub actions for simplicity. The Go test is retained in BuildKite.
PiperOrigin-RevId: 351503804
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This requires several changes:
* Templates must preserve relevant tags.
* Pagetables templates are split into two targets, each preserving tags.
* The binary VDSO is similarly split into two targets, with some juggling.
* The top level tools/go_branch.sh now does a crossbuild of ARM64 as well,
and checks and merges the results of the two branches together.
Fixes #5178
PiperOrigin-RevId: 351304330
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For validation, the "on" key in existing YAML files is changed to a literal
string. In the YAML spec, on is a keyword which encodes a boolean value, so
without relying on a specific implementation the YAML files are technically
not encoding an object that complies with the specification.
PiperOrigin-RevId: 350172147
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This GitHub action has been failing since 4e963c9.
PiperOrigin-RevId: 349327675
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Also, drop the pull_request template, since this has not proved to be
helpful, and just results in a commit message the includes the list.
PiperOrigin-RevId: 347636507
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We can't actually push the Go branch on pushes to feature branches.
Signed-off-by: Andrei Vagin <avagin@google.com>
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Signed-off-by: Andrei Vagin <avagin@google.com>
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bazel creates sysmlink to the cache on the first invokation.
On a new clone, there are no symlink, thus `rm -rf bazel-bin/gopath`
has no effect. Call `bazel build something` first, then delete
cached gopath.
PiperOrigin-RevId: 327536044
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PiperOrigin-RevId: 324615016
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PiperOrigin-RevId: 324302828
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PiperOrigin-RevId: 324024075
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Fixes #3326
PiperOrigin-RevId: 323589669
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PiperOrigin-RevId: 313419745
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Fixes #2722
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PiperOrigin-RevId: 312155686
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