Automated cherry pick of #5954: Fix race condition in agent Traceflow controller (#5954) #6140
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It may happen that a Traceflow is assigned with a tag that was just released from an old Traceflow but the controller hasn't processed the deletion event of the old Traceflow yet. Previously the controller skipped starting new Traceflow if the tag was already being used, which caused the Traceflow to timeout. The commit adds a check when determining whether it should start a Traceflow. If the tag is associated with another Traceflow, it will clean it up then start a new trace for the current one. It also fixes a bug in cleanupTraceflow, which might uninstall flows for another Traceflow if the tag is reassigned. Signed-off-by: Quan Tian <qtian@vmware.com>
tnqn
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luolanzone
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Mar 26, 2024
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Cherry pick of #5954 on release-1.13.
#5954: Fix race condition in agent Traceflow controller (#5954)
For details on the cherry pick process, see the cherry pick requests page.