201 lines
3.5 KiB
Markdown
201 lines
3.5 KiB
Markdown
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# Complete Migration Guide
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**Date**: 2025-01-27
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**Purpose**: Comprehensive guide for all migration types
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**Status**: Complete
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---
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## Overview
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This guide provides comprehensive instructions for migrating projects to shared infrastructure, services, and monorepos.
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---
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## Migration Types
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### 1. Monitoring Migration
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**Purpose**: Migrate projects to shared monitoring stack
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**Steps**:
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1. Ensure service exposes metrics endpoint
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2. Add metrics port to service
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3. Create ServiceMonitor resource
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4. Apply ServiceMonitor
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**Script**: `scripts/migrate-to-monitoring.sh`
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**Guide**: See `docs/K8S_MIGRATION_GUIDE.md`
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---
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### 2. Kubernetes Migration
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**Purpose**: Migrate projects to shared Kubernetes cluster
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**Steps**:
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1. Create namespace
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2. Create deployment
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3. Create service
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4. Create ingress
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5. Configure monitoring
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6. Test deployment
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**Script**: `scripts/migrate-to-k8s.sh`
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**Guide**: See `docs/K8S_MIGRATION_GUIDE.md`
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---
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### 3. API Gateway Migration
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**Purpose**: Migrate projects to unified API gateway
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**Steps**:
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1. Register service with gateway
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2. Configure routes
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3. Set up authentication
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4. Configure rate limiting
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5. Update client applications
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6. Test endpoints
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**Script**: `scripts/migrate-to-api-gateway.sh`
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**Guide**: See `docs/API_GATEWAY_MIGRATION_GUIDE.md`
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---
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### 4. Shared Packages Migration
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**Purpose**: Migrate projects to use shared packages
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**Steps**:
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1. Install shared packages
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2. Update imports
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3. Remove duplicate code
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4. Update configuration
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5. Test functionality
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**Script**: `scripts/migrate-to-shared-packages.sh`
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**Guide**: See `docs/SHARED_PACKAGES_MIGRATION_GUIDE.md`
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---
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### 5. Terraform Migration
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**Purpose**: Migrate projects to use shared Terraform modules
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**Steps**:
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1. Review current infrastructure
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2. Identify modules to use
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3. Update Terraform configuration
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4. Update resource references
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5. Test migration
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6. Apply changes
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**Script**: `scripts/migrate-terraform.sh`
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**Guide**: See `docs/TERRAFORM_MIGRATION_GUIDE.md`
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---
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### 6. DBIS Monorepo Migration
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**Purpose**: Migrate DBIS projects to monorepo
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**Steps**:
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1. Set up monorepo structure
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2. Migrate projects
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3. Set up shared packages
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4. Configure CI/CD
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5. Test migration
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**Script**: `scripts/migrate-dbis-project.sh`
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**Guide**: See `docs/DBIS_MONOREPO_MIGRATION_PLAN.md`
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---
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## Migration Checklist
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### Pre-Migration
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- [ ] Review migration guide
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- [ ] Assess project complexity
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- [ ] Create backup
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- [ ] Set up test environment
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- [ ] Prepare rollback plan
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### During Migration
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- [ ] Follow step-by-step guide
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- [ ] Test each step
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- [ ] Document changes
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- [ ] Verify functionality
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### Post-Migration
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- [ ] Verify all services
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- [ ] Test integrations
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- [ ] Update documentation
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- [ ] Monitor metrics
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- [ ] Train team
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---
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## Best Practices
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### Planning
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- Start with low-risk projects
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- Test in dev/staging first
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- Have rollback plan ready
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- Communicate with team
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### Execution
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- Follow guides step-by-step
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- Test thoroughly
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- Document changes
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- Monitor closely
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### Post-Migration
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- Verify everything works
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- Update documentation
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- Share learnings
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- Optimize as needed
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---
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## Troubleshooting
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### Common Issues
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- Configuration errors
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- Network connectivity
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- Resource conflicts
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- Permission issues
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### Solutions
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- Check logs
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- Verify configurations
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- Review documentation
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- Ask for help
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---
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## Support
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### Resources
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- Migration guides in `docs/`
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- Helper scripts in `scripts/`
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- Example configurations
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- Troubleshooting sections
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### Getting Help
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- Review documentation
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- Check examples
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- Review similar migrations
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- Ask team members
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---
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**Last Updated**: 2025-01-27
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