fix: don't block deployment creating when missing secret in EnvoyProxy

internal/gatewayapi/testdata/backend-tls-settings-invalid.in.yaml

@@ -0,0 +1,157 @@
+envoyProxyForGatewayClass:
+  apiVersion: gateway.envoyproxy.io/v1alpha1
+  kind: EnvoyProxy
+  metadata:
+    namespace: envoy-gateway-system
+    name: test
+  spec:
+    backendTLS:
+      clientCertificateRef:
+        group: ""
+        kind: Secret
+        namespace: envoy-gateway-system
+        name: client-auth
+      ciphers:
+        - ECDHE-RSA-AES128-GCM-SHA256
+        - ECDHE-ECDSA-AES256-GCM-SHA384
+      ecdhCurves:
+        - ECDHE-RSA-AES128-GCM-SHA256
+        - ECDHE-ECDSA-AES256-GCM-SHA384
+      maxVersion: tls1.3
+      minVersion: tls1.2
+      SignatureAlgorithms:
+        - RSA-PSS-RSAE-SHA256
+        - ECDSA-SECP256R1-SHA256
+      alpnProtocols:
+        - HTTP/1.1
+        - HTTP/2
+
+gateways:
+  - apiVersion: gateway.networking.k8s.io/v1
+    kind: Gateway
+    metadata:
+      namespace: envoy-gateway
+      name: gateway-1
+    spec:
+      gatewayClassName: envoy-gateway-class
+      listeners:
+        - name: http
+          protocol: HTTP
+          port: 80
+          allowedRoutes:
+            namespaces:
+              from: All
+httpRoutes:
+  - apiVersion: gateway.networking.k8s.io/v1
+    kind: HTTPRoute
+    metadata:
+      namespace: default
+      name: httproute-1
+    spec:
+      parentRefs:
+        - namespace: envoy-gateway
+          name: gateway-1
+      rules:
+        - matches:
+            - path:
+                value: "/"
+          backendRefs:
+            - group: gateway.envoyproxy.io
+              kind: Backend
+              name: backend-1
+  - apiVersion: gateway.networking.k8s.io/v1
+    kind: HTTPRoute
+    metadata:
+      namespace: default
+      name: httproute-2
+    spec:
+      parentRefs:
+        - namespace: envoy-gateway
+          name: gateway-1
+      rules:
+        - matches:
+            - path:
+                value: "/"
+          backendRefs:
+            - group: gateway.envoyproxy.io
+              kind: Backend
+              name: backend-2
+
+configMaps:
+  - apiVersion: v1
+    kind: ConfigMap
+    metadata:
+      name: ca-cmap
+      namespace: default
+    data:
+      ca.crt: |
+        -----BEGIN CERTIFICATE-----
+        MIIDJzCCAg+gAwIBAgIUAl6UKIuKmzte81cllz5PfdN2IlIwDQYJKoZIhvcNAQEL
+        BQAwIzEQMA4GA1UEAwwHbXljaWVudDEPMA0GA1UECgwGa3ViZWRiMB4XDTIzMTAw
+        MjA1NDE1N1oXDTI0MTAwMTA1NDE1N1owIzEQMA4GA1UEAwwHbXljaWVudDEPMA0G
+        A1UECgwGa3ViZWRiMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwSTc
+        1yj8HW62nynkFbXo4VXKv2jC0PM7dPVky87FweZcTKLoWQVPQE2p2kLDK6OEszmM
+        yyr+xxWtyiveremrWqnKkNTYhLfYPhgQkczib7eUalmFjUbhWdLvHakbEgCodn3b
+        kz57mInX2VpiDOKg4kyHfiuXWpiBqrCx0KNLpxo3DEQcFcsQTeTHzh4752GV04RU
+        Ti/GEWyzIsl4Rg7tGtAwmcIPgUNUfY2Q390FGqdH4ahn+mw/6aFbW31W63d9YJVq
+        ioyOVcaMIpM5B/c7Qc8SuhCI1YGhUyg4cRHLEw5VtikioyE3X04kna3jQAj54YbR
+        bpEhc35apKLB21HOUQIDAQABo1MwUTAdBgNVHQ4EFgQUyvl0VI5vJVSuYFXu7B48
+        6PbMEAowHwYDVR0jBBgwFoAUyvl0VI5vJVSuYFXu7B486PbMEAowDwYDVR0TAQH/
+        BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEAMLxrgFVMuNRq2wAwcBt7SnNR5Cfz
+        2MvXq5EUmuawIUi9kaYjwdViDREGSjk7JW17vl576HjDkdfRwi4E28SydRInZf6J
+        i8HZcZ7caH6DxR335fgHVzLi5NiTce/OjNBQzQ2MJXVDd8DBmG5fyatJiOJQ4bWE
+        A7FlP0RdP3CO3GWE0M5iXOB2m1qWkE2eyO4UHvwTqNQLdrdAXgDQlbam9e4BG3Gg
+        d/6thAkWDbt/QNT+EJHDCvhDRKh1RuGHyg+Y+/nebTWWrFWsktRrbOoHCZiCpXI1
+        3eXE6nt0YkgtDxG22KqnhpAg9gUSs2hlhoxyvkzyF0mu6NhPlwAgnq7+/Q==
+        -----END CERTIFICATE-----
+backendTLSPolicies:
+  - apiVersion: gateway.networking.k8s.io/v1alpha3
+    kind: BackendTLSPolicy
+    metadata:
+      name: policy-btls-for-backend-1
+      namespace: default
+    spec:
+      targetRefs:
+        - group: gateway.envoyproxy.io
+          kind: Backend
+          name: backend-1
+      validation:
+        caCertificateRefs:
+          - kind: ConfigMap
+            group: ""
+            name: ca-cmap
+        hostname: example.com
+        subjectAltNames:
+          - type: URI
+            uri: spiffe://cluster.local/ns/istio-demo/sa/echo-v1
+          - type: Hostname
+            hostname: subdomain.secondexample.com
+
+backends:
+  - apiVersion: gateway.envoyproxy.io/v1alpha1
+    kind: Backend
+    metadata:
+      name: backend-1
+      namespace: default
+    spec:
+      # the BackendTLSPolicy should override the one from Backend
+      # the generated ir tls settings should contain the tls settings from Backend, BackendTLSPolicy and EnvoyProxy
+      tls:
+        caCertificateRefs:
+          - name: ca-cmap
+            group: ""
+            kind: ConfigMap
+      endpoints:
+        - ip:
+            address: 1.1.1.1
+            port: 3001
+  - apiVersion: gateway.envoyproxy.io/v1alpha1
+    kind: Backend
+    metadata:
+      name: backend-2
+      namespace: default
+    spec:
+      endpoints:
+        - ip:
+            address: 2.2.2.2
+            port: 3001