[CPCG-344]: Gateway example for client switchover using Blue/Green Deployment strategy. #414
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Pull Request Overview
This PR adds a comprehensive example demonstrating client switchover using CPC Gateway with a Blue/Green deployment strategy. The example showcases how to migrate Kafka clients from a source cluster to a destination cluster with minimal downtime using Confluent Cluster Linking for replication.
Key Changes
- Introduces Gateway Blue and Green deployment configurations for atomic traffic cutover
- Implements LoadBalancer service for switching traffic between Blue and Green gateways
- Provides detailed documentation covering migration procedures, client impact analysis, and troubleshooting
Reviewed Changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated 5 comments.
| File | Description |
|---|---|
| gateway/client-switchover/loadbalancer-service.yaml | Defines LoadBalancer service with port mappings for both source and destination Kafka clusters |
| gateway/client-switchover/gateway-blue.yaml | Configures Blue Gateway instance pointing to source Kafka cluster |
| gateway/client-switchover/gateway-green.yaml | Configures Green Gateway instance pointing to destination Kafka cluster |
| gateway/client-switchover/README.md | Comprehensive documentation covering setup, migration procedure, client impact, and troubleshooting |
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What
This PR adds a CFK example for CPC Gateway for client switchover using Blue/Green Deployment strategy.
Ref: https://confluentinc.atlassian.net/wiki/spaces/OAAC/pages/4792713908/CPC-Gateway+Restart+Impact+Analysis+Target+Cluster+Change+with+Confluent+Cluster+Linking