docs: add more info to README#1361
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Automatic merge from submit-queue. [BOT PR] to update dependencies of proxy This PR will be merged automatically once checks are successful. ```release-note none ```
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…#1361) **Description** This PR implements comprehensive cross-namespace access support between AIServiceBackend and AIGatewayRoute resources, following Gateway API patterns with ReferenceGrant validation. **API Enhancements** - Added namespace field to AIGatewayRouteRuleBackendRef allowing cross-namespace backend references - Updated CRDs to include proper validation for the namespace field Enhanced documentation explaining ReferenceGrant requirements for cross-namespace access **ReferenceGrant Integration** - ReferenceGrant Validator: New component that validates cross-namespace references against ReferenceGrant resources - ReferenceGrant Controller: Watches ReferenceGrant resources and triggers reconciliation of affected AIGatewayRoutes when grants change - Automatic validation: Cross-namespace references are automatically validated at reconciliation time **Controller Updates** - Cross-namespace backend lookups: AIGatewayRoute controller now supports referencing AIServiceBackend resources in different namespaces - ReferenceGrant enforcement: Fails reconciliation with clear error messages when valid ReferenceGrant is missing - Event-driven reconciliation: ReferenceGrant changes trigger automatic reconciliation of affected routes **Comprehensive Testing** - Unit tests: Full coverage for ReferenceGrant validation logic, cross-namespace scenarios, and error cases - Integration tests: Controller tests validating cross-namespace backend references with and without ReferenceGrant - E2E test updates: Modified existing cross-namespace test to validate AIServiceBackend cross-namespace access with ReferenceGrant AIGatewayRouteBackendRefChange: ``` # AIGatewayRouteRuleBackendRef now supports: backendRefs: - name: my-backend namespace: other-namespace # NEW: Cross-namespace reference weight: 1 ``` Reference Grant Example: ``` apiVersion: gateway.networking.k8s.io/v1beta1 kind: ReferenceGrant metadata: name: allow-route-to-backend namespace: backend-ns spec: from: - group: aigateway.envoyproxy.io kind: AIGatewayRoute namespace: route-ns to: - group: aigateway.envoyproxy.io kind: AIServiceBackend ``` **Related Issues/PRs (if applicable)** close #1374 --------- Signed-off-by: siddharth1036 <siddharthshah1036@gmail.com>
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