[Auditbeat] Cherry-pick #10508 to 6.x: System module: Detect package updates #10562
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cwurm
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Detects package updates by checking if any of the "new" package objects have the same package name as one of the "old" package objects. The event will have `event.action: package_updated`. Also removes `InstallTime` from change detection. And for dpkg, reports packages as removed that have only been removed (`apt-get remove`) but not purged (`apt-get purge`). (cherry picked from commit 394d93d)
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Cherry-pick of PR #10508 to 6.x branch. Original message:
Detects package updates by checking if any of the "new" package objects have the same package name as one of the "old" package objects. The event will have
event.action: package_updated.Also fixes two issues:
InstallTimefrom change detection. It is not set for dpkg, and for Homebrew it is currently the modification time of the package's directory. Atouchwill cause it to be reported as changed. I'm actually wondering if we should not set it for Homebrew at all. For change detection, we now rely onname,version,release(only set for RPM), andsize- all of which (hopefully) only change when the package has indeed changed.apt-get remove) but not purged (apt-get purge). Removed package stay around in/var/lib/dpkg/status, but with adeinstallstatus.As an urgent follow-up, we should add tests with sample files for at least:
/var/lib/dpkg/statusin various stages (no package, installed package, new version, deinstalled package). I wanted to add it here, but we'll need a way to pass the test files to the metricset, and at the moment there is no config value for it (but there probably should be). I didn't want to do that bigger change here./usr/local/Cellar/{pkg.Name}/INSTALL_RECEIPT.json(read since [Auditbeat] Read formula path from INSTALL_RECEIPT.json for Homebrew packages #10507), and a Ruby formula file.