Fix port duplicate in container spec (#1223)

pkg/transformer/kubernetes/kubernetes.go

@@ -547,8 +547,12 @@ func (k *Kubernetes) CreatePVC(name string, mode string, size string, selectorVa
 // ConfigPorts configures the container ports.
 func (k *Kubernetes) ConfigPorts(name string, service kobject.ServiceConfig) []api.ContainerPort {
 	ports := []api.ContainerPort{}
+	exist := map[string]bool{}
 	for _, port := range service.Port {
-
+		// temp use as an id
+		if exist[string(port.ContainerPort)+string(port.Protocol)] {
+			continue
+		}
 		// If the default is already TCP, no need to include it.
 		if port.Protocol == api.ProtocolTCP {
 			ports = append(ports, api.ContainerPort{
@@ -562,6 +566,7 @@ func (k *Kubernetes) ConfigPorts(name string, service kobject.ServiceConfig) []a
 				HostIP:        port.HostIP,
 			})
 		}
+		exist[string(port.ContainerPort)+string(port.Protocol)] = true
 
 	}
 

script/test/fixtures/multiple-compose-files/output-k8s-template.json

@@ -135,9 +135,6 @@
                 "imagePullPolicy": "",
                 "name": "etherpad",
                 "ports": [
-                  {
-                    "containerPort": 9001
-                  },
                   {
                     "containerPort": 9001
                   }

script/test/fixtures/multiple-compose-files/output-os-template.json

@@ -127,9 +127,6 @@
                 "name": "etherpad",
                 "image": " ",
                 "ports": [
-                  {
-                    "containerPort": 9001
-                  },
                   {
                     "containerPort": 9001
                   }

script/test/fixtures/ports-with-proto/docker-compose.yml

@@ -5,6 +5,7 @@ services:
       image: tuna/docker-counter23
       ports:
         - "5000:5000/tcp"
+        - "5001:5000/tcp"
       links:
         - redis
       networks:

script/test/fixtures/ports-with-proto/output-k8s-template.json

@@ -59,6 +59,11 @@
             "name": "5000",
             "port": 5000,
             "targetPort": 5000
+          },
+          {
+            "name": "5001",
+            "port": 5001,
+            "targetPort": 5000
           }
         ],
         "selector": {

script/test/fixtures/ports-with-proto/output-os-template.json

@@ -59,6 +59,11 @@
             "name": "5000",
             "port": 5000,
             "targetPort": 5000
+          },
+          {
+            "name": "5001",
+            "port": 5001,
+            "targetPort": 5000
           }
         ],
         "selector": {

script/test/fixtures/v3/output-k8s-full-example.json

@@ -229,9 +229,6 @@
             ],
             "workingDir": "/code",
             "ports": [
-              {
-                "containerPort": 3000
-              },
               {
                 "containerPort": 3000
               },

script/test/fixtures/v3/output-os-full-example.json

@@ -229,9 +229,6 @@
             ],
             "workingDir": "/code",
             "ports": [
-              {
-                "containerPort": 3000
-              },
               {
                 "containerPort": 3000
               },