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Remove aliases created by buildx when installing by default #139

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@hashhar hashhar commented Apr 25, 2022

If the action is configured to install buildx by default using the
input then docker buildx sets up docker build as an alias for buildx
making all docker build calls use the buildx builder instead of
traditional builders. The action didn't perform cleanup in this case to
uninstall the aliases which meant that any future workflows running on
same GitHub Actions runner would get the buildx builders even if it did
not explicitly request it.

This commit tracks if the aliases were installed and removes them during
post step of the action if so.

Fixes #125

@hashhar hashhar requested a review from crazy-max as a code owner April 25, 2022 07:04
@hashhar hashhar force-pushed the hashhar/cleanup-aliases branch 2 times, most recently from 3c6e8ed to fdd372a Compare April 25, 2022 07:07
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hashhar commented Apr 26, 2022

Thanks for approving the CI run @tonistiigi. Looks green (kind of expected since no tests exist for the cleanup part and I couldn't figure out how to add one).

Let me know if there's something more you'd like me to do.

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Sorry for the delay! Needs a rebase and adapt following changes that have been made recently, thanks!

src/main.ts Outdated
Comment on lines 130 to 143
if (stateHelper.IsBuildxDefaultBuilder) {
core.startGroup('Uninstalling build aliased to buildx');
await exec
.getExecOutput('docker', ['buildx', 'uninstall'], {
ignoreReturnCode: true
})
.then(res => {
if (res.stderr.length > 0 && res.exitCode != 0) {
core.warning(res.stderr.trim());
}
});
core.endGroup();
}
}
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Since #204 and #213 we should have this in the post hook and handled through cleanup input.

If the action is configured to install buildx by default using the
input then docker buildx sets up docker build as an alias for buildx
making all docker build calls use the buildx builder instead of
traditional builders. The action didn't perform cleanup in this case to
uninstall the aliases which meant that any future workflows running on
same GitHub Actions runner would get the buildx builders even if it did
not explicitly request it.

This commit tracks if the aliases were installed and removes them during
post step of the action if so.

Signed-off-by: Ashhar Hasan <hashhar_dev@outlook.com>
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hashhar commented Sep 15, 2024

I've addressed the comments. PTAL @crazy-max. I eventually came back to this while cleaning up my open PRs.

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Cleanup aliases created by this action in post-step of action
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