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Cherry-pick of PR #19767 to 7.x branch. Original message:
Enhancement
What does this PR do?
Changed add_process_metadata processor to get both process metadata and container id and not error out if only one is available.
Why is it important?
If container is non-privileged, then process metadata for external processes is not fully readable (no access to /proc/pid/exe and /proc/pid/cwd) and code errors out before even trying to get container id. Same time container id is still accessible in /proc/pid/cgroup file. Now process metadata is skipped for such processes, but container id is still added.
Checklist
My code follows the style guidelines of this project
I have commented my code, particularly in hard-to-understand areas
[] I have made corresponding changes to the documentation
[] I have made corresponding change to the default configuration files
I have added tests that prove my fix is effective or that my feature works
[] I have added an entry in CHANGELOG.next.asciidoc or CHANGELOG-developer.next.asciidoc.
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Cherry-pick of PR #19767 to 7.x branch. Original message:
What does this PR do?
Changed add_process_metadata processor to get both process metadata and container id and not error out if only one is available.
Why is it important?
If container is non-privileged, then process metadata for external processes is not fully readable (no access to /proc/pid/exe and /proc/pid/cwd) and code errors out before even trying to get container id. Same time container id is still accessible in /proc/pid/cgroup file. Now process metadata is skipped for such processes, but container id is still added.
Checklist
CHANGELOG.next.asciidocorCHANGELOG-developer.next.asciidoc.Minor fix, probably no need for doc or changelog.
Author's Checklist
How to test this PR locally
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