June 2025 monthly summary for GoogleCloudPlatform/cluster-toolkit: Delivered three major items enhancing reliability, scalability, and HPC readiness. Key outcomes include removal of a Docker configuration warning by enabling built-in Docker validation and strengthening error handling; introduction of Managed Lustre integration for Slurm clusters and VMs with a dedicated port, configurable options, and an Ansible playbook to maintain GKE compatibility; and an improved startup-script module that ensures network interfaces are online before executing scripts, including a SystemD service for A3 High networking devices and a new enable_gpu_network_wait_online flag to delay execution until connectivity is confirmed. These changes improve production reliability in Ubuntu 20.04 EOL environments, simplify Lustre-based HPC deployments, and improve startup reliability on GPU-enabled instances.

May 2025 monthly summary focusing on key business value delivered through feature work, reliability improvements, and platform-wide testing modernization.

April 2025 monthly summary: Focused on delivering scalable VM provisioning enhancements, Slurm deployment and permissions improvements, deprecation of outdated configurations, security hardening, and CI/test infrastructure refinements to improve reliability and on-boarding. Highlights include a new Persistent Disk Attachments feature for VM Instances, migration to Slurm-GCP v6, enhanced Slurm provisioning with password-free sudo, CI/test base image updates, and Go module security updates, all contributing to business value and reduced operational risk.

February 2025: Delivered improvements across GPU observability, cluster reliability, reboot readiness, and platform updates for the A3 Slurm family. These changes enhance observability, stability, and performance of GPU-backed workloads, reducing downtime and aligning infrastructure with current NVIDIA drivers and features.

January 2025 monthly summary for GoogleCloudPlatform/cluster-toolkit. This period delivered cohesive test and blueprint enhancements for A3 Ultra Slurm with GKE integration, enabled FileStore Private Service Access for examples, and upgraded core tooling and dependencies to improve stability and security. Key achievements include: 1) A3 Ultra Slurm and GKE integration tests and blueprints improvements (updated reservations, renamed Cloud Build step, enabled OverSubscribe, restored a3-ultragpu blueprints); 2) Filestore Private Service Access integration for examples; 3) Versioning and maintenance upgrades (v1.45.0, enhanced pre-commit dependency coverage, updated dependabot configuration); 4) Slurm environment dependency updates (requests, grpcio-status, PyYAML) and protobuf upgrade to 5.29.3 in OFE for Python 3.8 compatibility; 5) Security and quality fixes (OFE virtualenv CVE patch, test typo fix, and cleanup of duplicative LimitNOFILE overrides).

December 2024 monthly focus for GoogleCloudPlatform/cluster-toolkit centered on stabilizing and modernizing DAOS-based storage workflows within Slurm blueprints, along with quality and maintainability improvements across CI, documentation, and install tooling. Delivered reliable DAOS mounting, integrated agent support and NCCL plugin in the Slurm blueprint, modernized the A3 Ultra Slurm blueprint, and improved test infrastructure and install reliability to reduce operational risk and accelerate deployments.

November 2024 (2024-11) — GoogleCloudPlatform/cluster-toolkit Key features delivered - Docker Daemon Configuration and Storage Improvements: standardised file mode quoting, added custom Docker daemon config with data-root support, adopted local SSD storage for A3 images, removed the Docker daemon validation flag to maintain compatibility with older Docker versions, and introduced a systemd service for persistent RAID mounting. Included messaging cleanups and refactored mount/mode logic. - Ml-slurm Example Environment Updates: modernized ml-slurm v5 examples with updated Miniconda, TensorFlow, PyTorch, Python versions, and CUDA/tooling installation flow; added explicit GPU usage guidance for PyTorch benchmarking. - Terraform Provider Compatibility and Toolkit Rollback: consolidated Terraform provider constraints for Google Cloud Provider (TPG) 6.x, updated GPU syntax, refreshed GKE node pool docs/examples for TP6, dropped support for TP5, and rolled back the Slurm-GCP toolkit upgrade. - Filestore Deletion Protection: introduced deletion protection for Filestore instances via Terraform support and updated documentation to prevent accidental data loss. Major bugs fixed - Fixed Docker config compatibility issues with older Docker versions by removing the validation flag and standardising file mode quoting; corrected Docker config warning formatting to reduce operator confusion. - Resolved TP6 transition issues by updating provider constraints and resource modules; aligned docs and examples to TP6 and dropped TP5 support to prevent deployment failures. - Added Filestore deletion protection to prevent accidental data loss, with accompanying Terraform support and documentation updates. Overall impact and accomplishments - Increased reliability and consistency across Docker, ML workloads, and GKE deployments; improved safety with deletion protection; clearer, more maintainable configurations. - Reduced operational risk by removing deprecated provider constraints and tightening tooling, enabling smoother CI/CD and deployments; accelerated onboarding via updated ML examples and documentation. Technologies/skills demonstrated - Docker, Ansible, systemd, local SSD RAID storage, Terraform, Google Cloud Provider TP6, GKE, CUDA tooling (Miniconda, TensorFlow, PyTorch), Python packaging, and Git-based release discipline. Month: 2024-11 Repo: GoogleCloudPlatform/cluster-toolkit

Monthly summary for 2024-10: Focused delivery on configuration simplification, compatibility, and module stability for cluster-toolkit. Delivered three core features: - Docker configuration input consolidation in startup-script module, enabling a single docker input variable and improved validation. Commits: c5d49cca16f9c729b15b86d93bc1d6c33c2d695c - Test blueprint updated to newer terraform-google-modules/terraform-google-vm to support Terraform Provider 5.x and 6.x. Commit: bb77086d5e73f1ce15dc58fc76e4dddd5d2e744f - Slurm-GCP module upgrade to 5.12.1 and NVIDIA driver to 550.90.12 for provider 6.x compatibility. Commit: 957931448e675e864b00915f15c40560637592d2 Major bugs fixed: none reported this period. Overall impact and accomplishments: - Reduced configuration errors and simplified user experience by consolidating Docker settings. - Ensured downstream compatibility with Terraform Provider 5.x/6.x via updated VM module usage in tests. - Improved runtime stability and hardware/driver alignment with provider 6.x through Slurm-GCP module and NVIDIA driver upgrades. - Accelerated deployment pipelines and smoother onboarding for new clusters. Technologies/skills demonstrated: - Terraform, terraform-google-modules, provider compatibility (5.x/6.x) - Docker config patterns and startup-script refactor - Slurm-GCP module management and NVIDIA driver updates - Test blueprint maintenance and validation workflows