feat: allow graceful shutdowns (#546)

Add a `Shutdown(context.Context) error` method to the Poller. Calling this method will first shutdown all active polling, preventing any new jobs from spawning. It will then wait for either all jobs to finish, or for the context to be cancelled. If the context is cancelled, it will then force all jobs to end, and then exit.

Fixes https://gitea.com/gitea/act_runner/issues/107

Co-authored-by: Rowan Bohde <[email protected]>
Reviewed-on: https://gitea.com/gitea/act_runner/pulls/546
Reviewed-by: Jason Song <[email protected]>
Reviewed-by: Lunny Xiao <[email protected]>
Co-authored-by: rowan-allspice <[email protected]>
Co-committed-by: rowan-allspice <[email protected]>
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rowan-allspiceandRowan Bohde authored and Lunny Xiao committed 2024-05-27 07:38:55 +00:00
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@@ -23,6 +23,9 @@ runner:
# Please note that the Gitea instance also has a timeout (3h by default) for the job.
# So the job could be stopped by the Gitea instance if it's timeout is shorter than this.
timeout: 3h
# The timeout for the runner to wait for running jobs to finish when shutting down.
# Any running jobs that haven't finished after this timeout will be cancelled.
shutdown_timeout: 0s
# Whether skip verifying the TLS certificate of the Gitea instance.
insecure: false
# The timeout for fetching the job from the Gitea instance.