GCP Gateway API Integration & Documentation Updates#279
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Pull Request Summary: GCP Gateway API Integration & Documentation Updates
🎯 Overview
This PR introduces native GKE Gateway API support for ODM deployments and updates documentation for version 9.6.0.
✨ Key Changes
GCP Gateway API Implementation
Added odm-gateway.yaml with native GKE Gateway Controller configuration
Implemented HTTPRoute for all ODM components (Decision Center, Decision Server Console/Runtime, Decision Runner)
Added HealthCheckPolicy resources for proper load balancer health checks on Liberty endpoints
Configured GCPBackendPolicy with session affinity for Decision Center
Created README_GATEWAY.md with comprehensive Gateway API setup instructions
Licensing & Metering Updates
Renamed licensing-instance-NGINX.yaml (lowercase convention)
Updated licensing-instance.yaml to disable ingress (ingressEnabled: false)
Added licensing-instance-gateway.yaml for Gateway API support
Created usage-metering-service-NGINX.yaml and usage-metering-service-loadbalancer.yaml
Documentation Enhancements
Updated platform/gcloud/README.md with Gateway API deployment instructions
Added gcp-values-gateway.yaml Helm values for Gateway configuration
Updated platform/minikube/README.md to ODM 9.6.0 references
Improved Minikube setup instructions with better notes and warnings
Version Updates
Upgraded ODM documentation references from 9.5.0 to 9.6.0
Updated Helm chart version references to 26.0.0
Refreshed secrets baseline timestamps and line numbers
🔧 Technical Details
Gateway uses gke-l7-global-external-managed class for external HTTPS load balancing
Health checks configured on Liberty management ports (9060/9080) with proper paths
Session affinity enabled for Decision Center to maintain user sessions
All components exposed via path-based routing on single hostname
📝 Files Changed
Added: 6 new configuration files (Gateway, licensing, metering)
Modified: 4 documentation files, 2 licensing configs
Renamed: 1 file for naming consistency