Fixed IP duplication

[dwertent]

Type

bug_fix, tests

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Description

This PR addresses the issue of IP duplication in the network policy. The main changes include:

• Implementing a hashing function to create unique identifiers for each rule and policy reference.
• Using these hashes to prevent duplication in both ingress and egress rules.
• Adding a new test case to verify the correct functioning of the IP duplication fix.

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PR changes walkthrough

	Relevant files
Bug_fix	1 files networkpolicy.go                                                                                        pkg/apis/softwarecomposition/networkpolicy/networkpolicy.go **The changes in this file mainly focus on fixing the IP duplication issue in the network policy. This is achieved by implementing a hashing function to create unique identifiers for each rule and policy reference. These hashes are then used to prevent duplication in both ingress and egress rules. The changes also include the addition of new imports to support the hashing function.** +44/-9
Tests	1 files networkpolicy_test.go                                                                              pkg/apis/softwarecomposition/networkpolicy/networkpolicy_test.go **The changes in this file include the addition of a new test case to verify the correct functioning of the IP duplication fix. The test case checks if the policy is enriched when multiple IPs are present in known servers.** +112/-0

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User description

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[codiumai-pr-agent-free[bot]]

PR Description updated to latest commit (https://github.com/kubescape/storage/commit/942f4500a8bc4752c7672ba1834f0d69511ce26a)

[codiumai-pr-agent-free[bot]]

PR Analysis

• 🎯 Main theme: Fixing IP duplication in network policy
• 📝 PR summary: This PR addresses the issue of IP duplication in the network policy by implementing a hashing function to create unique identifiers for each rule and policy reference. These hashes are then used to prevent duplication in both ingress and egress rules. A new test case has also been added to verify the correct functioning of the IP duplication fix.
• 📌 Type of PR: Bug fix
• 🧪 Relevant tests added: Yes
• ⏱️ Estimated effort to review [1-5]: 3, because the PR involves changes in the core logic of the network policy and introduces a new hashing function. It also includes a new test case, which needs to be reviewed for correctness and completeness.
• 🔒 Security concerns: No security concerns found

  PR Feedback

💡 General suggestions: The PR is well-structured and addresses the issue of IP duplication effectively. The use of hashing to create unique identifiers for each rule and policy reference is a good approach. However, it would be beneficial to handle the error returned by the hash function in a more informative way, rather than just ignoring it.

🤖 Code feedback:

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relevant file	pkg/apis/softwarecomposition/networkpolicy/networkpolicy.go
suggestion	Handle the error returned by the hash function. Currently, if the hash function returns an error, it is ignored. It would be better to log the error or handle it in a way that would not silently fail the operation. [important]
relevant line	'+ if ruleHash, err := hash(rule); err == nil {'

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relevant file	pkg/apis/softwarecomposition/networkpolicy/networkpolicy.go
suggestion	Consider using a more descriptive name for the variable 's' in the hash function. Variable names should be descriptive and convey the purpose of the variable. [medium]
relevant line	'+func hash(s any) (string, error) {'

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[github-actions[bot]]

Summary:

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