Making sure that service and ingress are in the same namespace

[slashben]

PR Type:

Bug fix

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PR Description:

This PR addresses a bug in the 'exposure-to-internet' rule where the service and ingress were not verified to belong to the same namespace. This led to false positives in scans. The fix ensures that the service and ingress are in the same namespace, thus reducing the chance of false positives.

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PR Main Files Walkthrough:

files:

rules/exposure-to-internet/raw.rego: Added a condition to verify that the service and ingress belong to the same namespace. This is done by comparing the 'namespace' metadata of both the service and the ingress.

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User Description:

Overview

Rule "exposure-to-internet" did not verify that the service and ingress are in the same namespace when matching them one to another.

This caused false positives in scans.

[codiumai-pr-agent-free]

PR Analysis

• 🎯 Main theme: Ensuring service and ingress belong to the same namespace
• 📝 PR summary: This PR addresses a bug in the 'exposure-to-internet' rule where the service and ingress were not verified to belong to the same namespace, leading to false positives in scans. The fix ensures that the service and ingress are in the same namespace, thus reducing the chance of false positives.
• 📌 Type of PR: Bug fix
• 🧪 Relevant tests added: No
• ⏱️ Estimated effort to review [1-5]: 2, because the PR is relatively small and the changes are straightforward, but it requires knowledge about Kubernetes and Rego language.
• 🔒 Security concerns: No security concerns found

PR Feedback

• 💡 General suggestions: The PR is well-structured and the changes are clear. However, it would be beneficial to add tests to verify the new condition added to the rule.

• 🤖 Code feedback:

  • relevant file: rules/exposure-to-internet/raw.rego
    suggestion: Consider adding error handling or a fallback in case the 'namespace' metadata is not available for either the service or the ingress. [important]
    relevant line: svc.metadata.namespace == ingress.metadata.namespace

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[github-actions]

Summary:

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• Vulnerabilities scan: failure
• Unit test: success
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[github-actions]

Summary:

• License scan: failure
• Credentials scan: success
• Vulnerabilities scan: failure
• Unit test: success
• Go linting: success