A utility to retrieve and report authorization history dependencies

[havetisyan]

Description

A utility to retrieve and report authorization history dependencies for services in a specified Athenz domain.

Contribution Checklist:

• The pull request does not introduce any breaking changes
• I have read the contribution guidelines.
• Create an issue and link to the pull request.

Attach Screenshots (Optional)

[gemini-code-assist]

Summary of Changes

Hello @havetisyan, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request delivers a valuable new tool for Athenz users, enabling them to gain deeper insights into their service authorization dependencies. By providing a clear, filterable report of both incoming and outgoing access patterns, the utility helps in understanding and managing the security posture of services within a domain. This enhancement improves visibility into how services interact across domains, which is crucial for auditing and compliance.

Highlights

• New Utility Added: Introduced a new Go-based utility, zms-authhistory, designed to retrieve and report authorization history dependencies.
• Dependency Reporting: The utility generates reports on both incoming (who calls your domain) and outgoing (which domains your services call) authorization dependencies for services within a specified Athenz domain.
• Secure Communication: It connects to the ZMS server using mTLS authentication to ensure secure data retrieval.
• Flexible Filtering and Output: Users can filter dependencies by a specified number of days and choose to display only domain names for a more compact report. The output is provided in CSV format to standard output.
• Build System Integration: Integrated the new utility into the existing Maven build system, with a dedicated Makefile for Go-specific build processes across different operating systems.

Changelog

• pom.xml
  • Included the new zms-authhistory utility as a Maven module.
• utils/zms-authhistory/Makefile
  • Introduced a Makefile to manage the build process for the Go-based zms-authhistory utility, including platform-specific builds and Go version checks.
• utils/zms-authhistory/README.md
  • Provided comprehensive documentation for the zms-authhistory utility, detailing its functionality, command-line arguments, output format, and build steps.
• utils/zms-authhistory/doc.go
  • Included package-level comments explaining the overall purpose of the zms-authhistory Go utility.
• utils/zms-authhistory/pom.xml
  • Created a Maven POM file for the zms-authhistory utility, configuring it to execute the Makefile during the build phase.
• utils/zms-authhistory/zms-authhistory.go
  • Developed the main Go application for zms-authhistory, which fetches authorization history from ZMS, processes incoming and outgoing dependencies, applies filtering, and outputs a CSV report.

Activity

• No activity has been recorded yet for this pull request.

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Code Review

This pull request introduces a new Go utility, zms-authhistory, to retrieve and report authorization history dependencies. The changes include the utility's source code, build files, and documentation. The code is generally well-written and structured. I've provided a few suggestions to improve the efficiency of dependency processing, correct the output formatting to avoid printing empty sections, and align logging calls with standard practices.