update(userspace/engine): improve skip-if-unknown-filter YAML field #2749
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Signed-off-by: Jason Dellaluce <jasondellaluce@gmail.com>
Signed-off-by: Jason Dellaluce <jasondellaluce@gmail.com>
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/milestone 0.36.0 |
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LGTM label has been added. Git tree hash: 993dbe6a5e746d9509c3a0a4eb1841ba46dd8499
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Requires falcosecurity/testing#22 to be merged to have tests passing. |
Signed-off-by: Jason Dellaluce <jasondellaluce@gmail.com>
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LGTM label has been added. Git tree hash: e221a43ee07dfc44cd5e0b11d1163c4e6ef010c7
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leogr
approved these changes
Aug 31, 2023
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: FedeDP, jasondellaluce, leogr The full list of commands accepted by this bot can be found here. The pull request process is described here
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What type of PR is this?
/kind bug
/kind feature
Any specific area of the project related to this PR?
/area engine
What this PR does / why we need it:
The
skip-if-unknown-filterYAML field can be used in Falco rules for skipping a rules if it fails compilation due to an unknown filter field. This PR proposes enlarging its scope to also missing fields in rules' outputs (a bug, currently), and also checking for unknown event types (which can occur more frequently, now that plugins can define new value ofevt.typewith async events). The idea is forskip-if-unknown-filterto skip rules if "there's something unknown in a rule's filter", with the output being included for parity as it uses the same fields available for rules' filters.A follow-up PR adding tests is falcosecurity/testing#22.
Which issue(s) this PR fixes:
Special notes for your reviewer:
Does this PR introduce a user-facing change?: