ce7cb702218693d08ea6d83464d2457c9250027c

vendor/platform/kyverno/policies/require-gateway-route-selectors.yaml

@@ -0,0 +1,39 @@
+apiVersion: kyverno.io/v1
+kind: ClusterPolicy
+metadata:
+  name: require-gateway-route-selectors
+  annotations:
+    policies.kyverno.io/title: Require Gateway allowedRoutes Selector
+    policies.kyverno.io/category: Gateway API
+    policies.kyverno.io/severity: high
+    policies.kyverno.io/description: >-
+      Shared Gateways must not use allowedRoutes.namespaces.from: All. Prefer
+      label Selectors (gateway.quorate.internal/allow-internal|public|short).
+spec:
+  validationFailureAction: Audit
+  background: true
+  rules:
+    - name: deny-from-all-on-shared-gateways
+      match:
+        any:
+          - resources:
+              kinds:
+                - Gateway
+              names:
+                - gateway-internal
+                - gateway-relay
+                - gateway-short
+              namespaces:
+                - kube-system
+      validate:
+        message: >-
+          Shared Gateway listeners must set allowedRoutes.namespaces.from to
+          Selector (not All) with the platform attach labels.
+        foreach:
+          - list: "request.object.spec.listeners[]"
+            deny:
+              conditions:
+                any:
+                  - key: "{{ element.allowedRoutes.namespaces.from || 'All' }}"
+                    operator: Equals
+                    value: All