Add proxy to VMware admin cluster resources. (#14908)

Author: veraz0818

mmv1/products/gkeonprem/VmwareAdminCluster.yaml

@@ -699,3 +699,16 @@ properties:
       - type: String
         name: 'caCert'
         description: The CA certificate public key for private registry.
+  - type: NestedObject
+    name: proxy
+    description: Configuration for proxy.
+    properties:
+      - type: String
+        name: 'url'
+        required: true
+        description: The proxy url.
+      - type: String
+        name: 'noProxy'
+        description: |
+          A comma-separated list of IP addresses, IP address ranges,
+          host names, and domain names that should not go through the proxy server.

mmv1/templates/terraform/examples/gkeonprem_vmware_admin_cluster_full.tf.tmpl

@@ -88,4 +88,8 @@ resource "google_gkeonprem_vmware_admin_cluster" "{{$.PrimaryResourceId}}" {
     address = "test-address"
     ca_cert = "test-ca-cert"
   }
+  proxy {
+    url = "http://my-proxy.example.local:80"
+    no_proxy = "10.151.222.0/24,my-host.example.local,10.151.2.1"
+  }
 }

mmv1/templates/terraform/examples/gkeonprem_vmware_admin_cluster_metallb.tf.tmpl

@@ -40,4 +40,8 @@ resource "google_gkeonprem_vmware_admin_cluster" "{{$.PrimaryResourceId}}" {
     address = "test-address"
     ca_cert = "test-ca-cert"
   }
+  proxy {
+    url = "http://my-proxy.example.local:80"
+    no_proxy = "10.151.222.0/24,my-host.example.local,10.151.2.1"
+  }
 }