[PROTOTYPE] Inform agent-shutdown hook of reason for agent shutdown. #3315
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When running the agent-shutdown hook, the following environment variables may be set: - BUILDKITE_AGENT_SHUTDOWN_REASON: The reason the buildkite-agent process is shutting down, "IDLE" for the idle timeout expiring or "SIGNAL" for SIGINT/SIGTERM/etc. - BUILDKITE_AGENT_SHUTDOWN_SIGNAL: The signal which caused the agent to shut down (e.g. "SIGINT"). My use case for this is triggering a system shutdown from the agent shutdown hook when the agent has shut down due to inactivity, I can imagine it getting used for other cluster orchestration things too.
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When running the agent-shutdown hook, the following environment variables may be set:
BUILDKITE_AGENT_SHUTDOWN_REASON: The reason the buildkite-agent process is shutting down, "IDLE" for the idle timeout expiring or "SIGNAL" for SIGINT/SIGTERM/etc.
BUILDKITE_AGENT_SHUTDOWN_SIGNAL: The signal which caused the agent to shut down (e.g. "SIGINT").
My use case for this is triggering a system shutdown from the agent shutdown hook when the agent has shut down due to inactivity, I can imagine it getting used for other cluster orchestration things too.
See also: https://forum.buildkite.community/t/provide-termination-reason-to-agent-shutdown-hook/4364