potiuk opened a new pull request, #38605:
URL: https://github.com/apache/airflow/pull/38605
Depending on selective checks, but also on the job executed, we choose
whether to run job on public runners or self-hosted runners. So far the set of
labels to select the runners were passed in a bit inconsistent way. Outputs of
selective checks can only be strings and the `run-as` accepts array of strings
(labels) - so we were using fromJSON to convert between the two. And we used
runs-on inputs on a number of our workflows to pass the selection.
However this meant that runs-on could be either string or array and that
sometimes we passed public/self-hosted labels as strings directly and some of
those were hard-coded.
This PR changes it consistently across the board to introduce consistent
approach:
* build info have no selective checks results yet, so for them runs-on is
hardcoded
* similarly for "windows" and release jobs that are manually run without
running selective checks
* selective checks will produce three outuputs - JSON stringiified array of
labels:
* default (one that is selected depending on who runs the build)
* public (for cases where we want to force the builds to use public
runners
* self-hosted (for cases where we want to force the builds to use
self-hosted runners
* all the outputs are named `<type>-runs-on-as-string` to make it clear they
are all strings
* all inputs of workflows expectings strings are named the same (with
as-string suffix and <type> prefix)
* whenever a job is run, we pass "runs-on" parameter to be `fromJSON` with
appropriate type we want to use passed as input
This will make it easier to reason on which job is using which type of
runner and it will make it easier in the future to make it more flexible when
we add ASF self-hosted runners and possibly our own K8S runners, or when we
would want to change labels for public runners or self-hosted runners.
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