Emit v3 configs by default (#15)

Author: easwars

main.go

@@ -37,7 +37,7 @@ var (
 		"the gcp project number. If unknown, can be found via 'gcloud projects list'")
 	vpcNetworkName     = flag.String("vpc-network-name", "default", "VPC network name")
 	localityZone       = flag.String("locality-zone", "", "the locality zone to use, instead of retrieving it from the metadata server. Useful when not running on GCP and/or for testing")
-	includeV3Features  = flag.Bool("include-v3-features-experimental", false, "whether or not to generate configs which works with the xDS v3 implementation in TD. This flag is EXPERIMENTAL and may be changed or removed in a later release.")
+	includeV3Features  = flag.Bool("include-v3-features-experimental", true, "whether or not to generate configs which works with the xDS v3 implementation in TD. This flag is EXPERIMENTAL and may be changed or removed in a later release.")
 	includePSMSecurity = flag.Bool("include-psm-security-experimental", false, "whether or not to generate config required for PSM security. This flag is EXPERIMENTAL and may be changed or removed in a later release.")
 )
 

main_test.go

@@ -33,14 +33,15 @@ func TestGenerate(t *testing.T) {
 		wantOutput string
 	}{
 		{
-			desc: "happy case",
+			desc: "happy case with v3 config by default",
 			input: configInput{
-				xdsServerUri:     "example.com:443",
-				gcpProjectNumber: 123456789012345,
-				vpcNetworkName:   "thedefault",
-				ip:               "10.9.8.7",
-				zone:             "uscentral-5",
-				metadataLabels:   map[string]string{"k1": "v1", "k2": "v2"},
+				xdsServerUri:      "example.com:443",
+				gcpProjectNumber:  123456789012345,
+				vpcNetworkName:    "thedefault",
+				ip:                "10.9.8.7",
+				zone:              "uscentral-5",
+				metadataLabels:    map[string]string{"k1": "v1", "k2": "v2"},
+				includeV3Features: true,
 			},
 			wantOutput: `{
   "xds_servers": [
@@ -50,13 +51,17 @@ func TestGenerate(t *testing.T) {
         {
           "type": "google_default"
         }
+      ],
+      "server_features": [
+        "xds_v3"
       ]
     }
   ],
   "node": {
-    "id": "52fdfc07-2182-454f-963f-5f0f9a621d72~10.9.8.7",
+    "id": "projects/123456789012345/networks/thedefault/nodes/9566c74d-1003-4c4d-bbbb-0407d1e2c649",
     "cluster": "cluster",
     "metadata": {
+      "INSTANCE_IP": "10.9.8.7",
       "TRAFFICDIRECTOR_GCP_PROJECT_NUMBER": "123456789012345",
       "TRAFFICDIRECTOR_NETWORK_NAME": "thedefault",
       "k1": "v1",
@@ -69,14 +74,14 @@ func TestGenerate(t *testing.T) {
 }`,
 		},
 		{
-			desc: "happy case with v3 config",
+			desc: "happy case with v2 config",
 			input: configInput{
 				xdsServerUri:      "example.com:443",
 				gcpProjectNumber:  123456789012345,
 				vpcNetworkName:    "thedefault",
 				ip:                "10.9.8.7",
 				zone:              "uscentral-5",
-				includeV3Features: true,
+				includeV3Features: false,
 			},
 			wantOutput: `{
   "xds_servers": [
@@ -86,17 +91,13 @@ func TestGenerate(t *testing.T) {
         {
           "type": "google_default"
         }
-      ],
-      "server_features": [
-        "xds_v3"
       ]
     }
   ],
   "node": {
-    "id": "projects/123456789012345/networks/thedefault/nodes/9566c74d-1003-4c4d-bbbb-0407d1e2c649",
+    "id": "52fdfc07-2182-454f-963f-5f0f9a621d72~10.9.8.7",
     "cluster": "cluster",
     "metadata": {
-      "INSTANCE_IP": "10.9.8.7",
       "TRAFFICDIRECTOR_GCP_PROJECT_NUMBER": "123456789012345",
       "TRAFFICDIRECTOR_NETWORK_NAME": "thedefault"
     },
@@ -107,7 +108,7 @@ func TestGenerate(t *testing.T) {
 }`,
 		},
 		{
-			desc: "happy case with v3 and security config",
+			desc: "happy case with security config",
 			input: configInput{
 				xdsServerUri:       "example.com:443",
 				gcpProjectNumber:   123456789012345,