Feature/upper layer

[amitschendel]

Type

enhancement

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Description

• Updated kubescape/kapprofiler to version v0.0.60, which includes support for the UpperLayer property.
• Simplified the ProcessEvent method in r1001_exec_binary_not_in_base_image.go by directly utilizing the UpperLayer property, removing the need for multiple helper functions.
• Adjusted the unit test to align with the new logic by setting the UpperLayer property in test data.

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Changes walkthrough

	Relevant files
Enhancement	r1001_exec_binary_not_in_base_image.go Simplify Exec Binary Upper Layer Check                                      pkg/engine/rule/r1001_exec_binary_not_in_base_image.go Simplified the ProcessEvent method by directly checking the UpperLayer property of execEvent. Removed the IsExecBinaryInUpperLayer function and related functions, simplifying the codebase. +2/-83
Tests	r1001_exec_binary_not_in_base_image_test.go Update Tests for Upper Layer Property Usage                            pkg/engine/rule/r1001_exec_binary_not_in_base_image_test.go Updated test to reflect the new UpperLayer property usage. +3/-2
Dependencies	go.mod Bump kapprofiler Dependency                                                            go.mod Updated kubescape/kapprofiler dependency from v0.0.59 to v0.0.60. +1/-1      go.sum Update Checksums for kapprofiler                                                  go.sum Updated checksums for kubescape/kapprofiler following the version bump. +2/-2

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PR Description updated to latest commit (d58c93c)

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PR Review

⏱️ Estimated effort to review [1-5]	2, because the changes are mostly about removing unnecessary code and simplifying the logic by directly using the UpperLayer property. The modifications are straightforward and mainly involve code deletions, which reduces complexity. However, understanding the context and impact of these changes on the overall functionality requires some domain knowledge.
🧪 Relevant tests	Yes
🔍 Possible issues	Possible Regression: Simplifying the ProcessEvent method by directly checking the UpperLayer property without the previously used helper functions might introduce regressions if there were edge cases handled by the removed code that are not covered by the new logic.
🔒 Security concerns	No

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PR Code Suggestions

Category	Suggestions
Enhancement	Add error handling for when execEvent.UpperLayer is false. Consider adding error handling for the case when execEvent.UpperLayer is false. Currently, the function returns nil without any logging or error handling, which might make debugging difficult if the condition fails unexpectedly. pkg/engine/rule/r1001_exec_binary_not_in_base_image.go [63-64] if !execEvent.UpperLayer { - return nil + log.Error("Exec event does not have an upper layer") + return errors.New("exec event does not have an upper layer") }
	Add test cases for UpperLayer being true. Consider adding more test cases to cover scenarios where UpperLayer is true. This would ensure that the new logic works as expected in both cases. pkg/engine/rule/r1001_exec_binary_not_in_base_image_test.go [26] -UpperLayer: false, +// Add a test case where UpperLayer is true +UpperLayer: true,
Possible issue	Verify execEvent.UpperLayer is correctly set after removing detailed implementation. The removal of the detailed implementation of IsExecBinaryInUpperLayer and its supporting functions significantly simplifies the code but also removes a lot of functionality. Ensure that the new UpperLayer attribute in execEvent is being correctly set elsewhere in the codebase to maintain the intended functionality. pkg/engine/rule/r1001_exec_binary_not_in_base_image.go [63-64] +// Ensure execEvent.UpperLayer is correctly set in the event generation logic if !execEvent.UpperLayer { return nil }
Best practice	Test for compatibility with updated kubescape/kapprofiler dependency. After updating the dependency github.com/kubescape/kapprofiler to v0.0.60, ensure to test thoroughly for any breaking changes or deprecations that might affect the existing functionality, especially related to the changes in R1001ExecBinaryNotInBaseImage rule. go.mod [13] +// Ensure compatibility with github.com/kubescape/kapprofiler v0.0.60 github.com/kubescape/kapprofiler v0.0.60
	Run go mod tidy to clean up go.sum after dependency updates. After updating dependencies in go.mod, it's good practice to verify the integrity of the new dependencies in go.sum by running go mod tidy to clean up any unused dependencies and ensure all necessary changes are reflected. go.sum [246-247] +// After running `go mod tidy` github.com/kubescape/kapprofiler v0.0.60 h1:beFkDs3kNU0I1YRKLvvh8pFxjllfa/CjFKT0mglFJMk=

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