[release-4.20] OCPBUGS-70144: Fix race condition in external binary extraction #30642
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When multiple openshift-tests processes run concurrently and share the same cache directory, they can race on extracting and decompressing the same binaries. This commonly occurs when using shell pipelines like: openshift-tests run ... --dry-run | openshift-tests run -f - Both processes start simultaneously, and without synchronization, one process may delete a .gz file while another is still trying to access it, resulting in errors like "failed to delete original .gz file: no such file or directory". Add flock-based file locking around the extraction process to ensure only one process extracts a given binary at a time. The lock is automatically released when the process exits, even if killed.
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@openshift-cherrypick-robot: Detected clone of Jira Issue OCPBUGS-67313 with correct target version. Will retitle the PR to link to the clone. DetailsIn response to this:
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@openshift-cherrypick-robot: This pull request references Jira Issue OCPBUGS-70144, which is invalid:
Comment The bug has been updated to refer to the pull request using the external bug tracker. DetailsIn response to this:
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This is an automated cherry-pick of #30616
/assign openshift-ci-robot