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Correctly fetch same-named homeserver branches #1129

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merged 8 commits into from
Sep 8, 2021
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DMRobertson
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@DMRobertson DMRobertson commented Sep 6, 2021

In #1115 I didn't correctly handle the situation where there's a corresponding synapse/dendrite branch to fetch. #1128 fell victim to this.

Fix: reuse the shell script from matrix-org/synapse#10160.

@DMRobertson DMRobertson changed the title Dummy to run tests Correctly fetch same-named homeserver branches Sep 6, 2021
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Slightly anxious that dendrite fails on GHA but doesn't on BK. Flakey test?

@DMRobertson DMRobertson requested a review from a team September 6, 2021 13:36
@DMRobertson DMRobertson marked this pull request as ready for review September 6, 2021 13:36
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Slightly anxious that dendrite fails on GHA but doesn't on BK. Flakey test?

I haven't seen that test flake yet, but I suppose see what happens after another run.

# 2. Attempt to use the base branch, e.g. when merging into release-vX.Y
# (GITHUB_BASE_REF for pull requests).
# 3. Use the default synapse branch ("develop").
for BRANCH_NAME in "$GITHUB_HEAD_REF" "$GITHUB_BASE_REF" "${GITHUB_REF#refs/heads/}" "develop"; do
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Since we had an issue with "${GITHUB_REF#refs/heads/}" due to PR numbers, is it even worth including it on this list?

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GITHUB_HEAD_REF and GITHUB_BASE_REF only exist when the action is triggered by a pull request. https://docs.github.com/en/actions/reference/environment-variables#default-environment-variables. This action runs on specific branches too, outside of the context of pull requests:

name: Run sytest
on:
  push:
    branches: ["develop", "release-*"]
  pull_request

(but note that's only there because I copied it from synapse's CI file)

Assuming it's meaningful to run sytest on develop and release branches, I think we do still want to read GITHUB_REF.

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Aha, I see. So in the case of a pull request, it's unlikely that we'll end up using "${GITHUB_REF#refs/heads/}". But it's useful on develop / release-*.

Yes, I think it's worthwhile to run Sytest on those branches.

Comment on lines +63 to +64
# TODO the shell script below is nicked from complement. We use this pattern
# in a few places. Can we make this an Action so it's easier to reuse?
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+1

.github/workflows/pipeline.yml Outdated Show resolved Hide resolved
Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
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Slightly anxious that dendrite fails on GHA but doesn't on BK. Flakey test?

I haven't seen that test flake yet, but I suppose see what happens after another run.

Most recent run seems to have fallen over with workers. Maybe the blacklist is still wrong?

@DMRobertson DMRobertson self-assigned this Sep 6, 2021
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Those failures seem to be replicated on buildkite. Maybe I need to update the corresponding synapse branch to pull in a fix there? /shrug

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That looks happier.

Slightly anxious that dendrite fails on GHA but doesn't on BK. Flakey test?

I haven't seen that test flake yet, but I suppose see what happens after another run.

There we were talking about a dendrite failure (#458: Local device key changes appear in /keys/changes) in https://github.com/matrix-org/sytest/runs/3524830553.

Later we had https://github.com/matrix-org/sytest/runs/3527019236 where all dendrite tests suceeded.

The most recent run is https://github.com/matrix-org/sytest/runs/3527233610 where that dendrite failure reoccurred.

In both failure cases it was Dendrite with Postgres but without Full HTTP APIs that saw this. Some kind of race?

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In both failure cases it was Dendrite with Postgres but without Full HTTP APIs that saw this. Some kind of race?

Hmm, it does look that way, though I can't quickly tell you why that might be.

Perhaps worth raising on issue on the Dendrite repo. Otherwise I think this PR as it stands is good to go.

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