Release Candidate v1.103.0

[siddhartha-quad]

Release Candidate v1.103.0

[gemini-code-assist]

Summary of Changes

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This release candidate (v1.103.0) focuses on improving the developer experience for job submissions and infrastructure management. Key enhancements include interactive configuration editing, better support for ML Diagnostics, and significant improvements to the reliability of CI/CD test pipelines through standardized job monitoring and cleanup procedures.

Highlights

• Configuration Management: Added interactive configuration support for gcluster job config set, allowing users to edit defaults in their system editor, and introduced gcluster job config show to display current settings.
• ML Diagnostics: Added --enable-ml-diagnostics flag to gcluster job submit to support ML Diagnostics on compatible clusters.
• Infrastructure & Testing: Improved CI/CD reliability by migrating to a centralized submit_and_monitor_kueue_job.sh script and adding robust cleanup traps for GKE jobs.
• Dependency Updates: Updated various Go dependencies (e.g., k8s.io/client-go, cloud.google.com/go/storage) and Python requirements to ensure compatibility and security.

Ignored Files

• Ignored by pattern: .github/workflows/** (1)
  • .github/workflows/sync-assignees.yml

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[gemini-code-assist]

Code Review

This pull request introduces interactive editing for job configuration defaults via gcluster job config set, adds support for GKE ML Diagnostics, automates Workload Identity configuration for Multi-Tier Checkpointing (MTC), and defaults GKE system node pools to n4-standard-4 when available. It also updates various dependencies, bumps module versions to v1.103.0, and adds an XPK to Cluster Toolkit migration guide. The review feedback highlights two important edge cases in the interactive configuration editor: handling editor commands that contain arguments or flags, and gracefully handling empty or cleared configuration files to prevent decoding errors.