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armosec / kubecop

Runtime detection and response for malicious events in Kubernetes workloads
Apache License 2.0
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Feature/upper layer #192

Open amitschendel opened 6 months ago

amitschendel commented 6 months ago

Type

enhancement

Description

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     

    ✨ PR-Agent usage: Comment /help on the PR to get a list of all available PR-Agent tools and their descriptions

    codiumai-pr-agent-free[bot] commented 6 months ago

    PR Description updated to latest commit (https://github.com/armosec/kubecop/commit/d58c93cc0a1f55056c78cdd0fca4295a48d151ec)

    codiumai-pr-agent-free[bot] commented 6 months ago

    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
    ✨ Review tool usage guide:
    **Overview:** The `review` tool scans the PR code changes, and generates a PR review. The tool can be triggered [automatically](https://pr-agent-docs.codium.ai/usage-guide/automations_and_usage/#github-app-automatic-tools-when-a-new-pr-is-opened) every time a new PR is opened, or can be invoked manually by commenting on any PR. When commenting, to edit [configurations](https://github.com/Codium-ai/pr-agent/blob/main/pr_agent/settings/configuration.toml#L19) related to the review tool (`pr_reviewer` section), use the following template: ``` /review --pr_reviewer.some_config1=... --pr_reviewer.some_config2=... ``` With a [configuration file](https://pr-agent-docs.codium.ai/usage-guide/configuration_options/), use the following template: ``` [pr_reviewer] some_config1=... some_config2=... ```
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    codiumai-pr-agent-free[bot] commented 6 months ago

    PR Code Suggestions

    CategorySuggestions                                                                                                                                                       
    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]](https://github.com/armosec/kubecop/pull/192/files#diff-95113f20ded199ee785cfdef553b1482a8f846a3c9f92c122e009631871cdf17R63-R64) ```diff 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]](https://github.com/armosec/kubecop/pull/192/files#diff-e7be2ebcbc205b8ff3b27434282d6aed89d0c6cf25fc0a829df40fb563649a93R26-R26) ```diff -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]](https://github.com/armosec/kubecop/pull/192/files#diff-95113f20ded199ee785cfdef553b1482a8f846a3c9f92c122e009631871cdf17R63-R64) ```diff +// 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]](https://github.com/armosec/kubecop/pull/192/files#diff-33ef32bf6c23acb95f5902d7097b7a1d5128ca061167ec0716715b0b9eeaa5f6R13-R13) ```diff +// 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]](https://github.com/armosec/kubecop/pull/192/files#diff-3295df7234525439d778f1b282d146a4f1ff6b415248aaac074e8042d9f42d63R246-R247) ```diff +// After running `go mod tidy` github.com/kubescape/kapprofiler v0.0.60 h1:beFkDs3kNU0I1YRKLvvh8pFxjllfa/CjFKT0mglFJMk= ```
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    github-actions[bot] commented 6 months ago

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    github-actions[bot] commented 6 months ago

    :sparkles: Artifacts are available here.