Nirmata Admin Scripts

This repository contains essential administrative scripts and utilities for Nirmata platform management and Kubernetes operations.

📁 Repository Structure

🔄 kubernetes-image-migration/

Production-ready Kubernetes container image migration tool with comprehensive features:

• Granular Control: Migrate specific namespaces only
• Dry-Run Support: Test migrations without making changes
• Complete Audit Trail: CSV and JSON export for compliance
• Rollback Capabilities: Automatic backup and rollback functionality
• Multiple Registry Support: JFrog Artifactory, GitHub Container Registry, and more

Key Features

• ✅ Safe Migration: Dry-run and interactive modes
• ✅ Comprehensive Logging: Detailed audit trails
• ✅ Production Ready: Extensively tested and validated
• ✅ Rollback Support: Complete rollback functionality
• ✅ Multi-Resource Support: Deployments, StatefulSets, DaemonSets, Pods, CronJobs, Jobs

Quick Start

cd kubernetes-image-migration

# 1. Create imagePullSecret first
kubectl create secret docker-registry artifactory-secret \
  --docker-server=your-registry.company.net \
  --docker-username=your-username \
  --docker-password=your-password \
  --namespace=production

# 2. Run dry-run migration
./k8s-image-migration.sh --dry-run \
  --namespace production \
  --source-registry old-registry.company.net \
  --dest-registry new-registry.company.net \
  --output-csv migration-audit.csv

# 3. Execute migration after reviewing the plan
./k8s-image-migration.sh \
  --namespace production \
  --source-registry old-registry.company.net \
  --dest-registry new-registry.company.net \
  --output-csv migration-executed.csv

See the kubernetes-image-migration README for complete documentation.

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🛠️ Other Admin Scripts

Scripts

• nirmata_test.sh - Comprehensive health check and testing script for Nirmata environments
• cleanup-cluster.sh - Script to clean up Kubernetes clusters
• cleanup-cluster-agent.sh - Script to clean up Nirmata cluster agents

Directories

• ndp_application_migration/ - Scripts and utilities for migrating applications in NDP (Nirmata DevSecOps Platform)
• environment_permissions/ - Scripts for managing and checking environment permissions
• backup-restore/ - Scripts for backup and restore operations of Nirmata components
• validate-kyverno/ - Scripts and utilities for validating Kyverno policies and health checks
• cross_environment_migration/ - Complete workflow scripts for cross-environment migration operations
• collect-nirmata-services-logs/ - Scripts for collecting Nirmata service logs and diagnostics

📖 Usage

Each script and directory contains its own documentation. Please refer to individual README files where available for specific usage instructions.

🤝 Contributing

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Add tests for new functionality
5. Ensure all scripts are tested before submission
6. Submit a pull request

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

📞 Support

For issues, questions, or contributions:

1. Check the documentation in each tool's directory
2. Review existing issues in the GitHub repository
3. Create a new issue with detailed information
4. Include relevant logs and configuration details

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Maintained by the Nirmata Team