Merge pull request #2019 from baude/kubeserviceinline

generate service object inline

cmd/podman/generate_kube.go

@@ -17,7 +17,7 @@ var (
 	containerKubeFlags = []cli.Flag{
 		cli.BoolFlag{
 			Name:  "service, s",
-			Usage: "only generate YAML for kubernetes service object",
+			Usage: "generate YAML for kubernetes service object",
 		},
 	}
 	containerKubeDescription = "Generate Kubernetes Pod YAML"
@@ -36,13 +36,14 @@ var (
 // generateKubeYAMLCmdgenerates or replays kube
 func generateKubeYAMLCmd(c *cli.Context) error {
 	var (
-		podYAML        *v1.Pod
+		podYAML           *v1.Pod
-		container      *libpod.Container
+		container         *libpod.Container
-		err            error
+		err               error
-		output         []byte
+		output            []byte
-		pod            *libpod.Pod
+		pod               *libpod.Pod
-		mashalledBytes []byte
+		marshalledPod     []byte
-		servicePorts   []v1.ServicePort
+		marshalledService []byte
+		servicePorts      []v1.ServicePort
 	)
 
 	if rootless.IsRootless() {
@@ -79,11 +80,13 @@ func generateKubeYAMLCmd(c *cli.Context) error {
 
 	if c.Bool("service") {
 		serviceYAML := libpod.GenerateKubeServiceFromV1Pod(podYAML, servicePorts)
-		mashalledBytes, err = yaml.Marshal(serviceYAML)
+		marshalledService, err = yaml.Marshal(serviceYAML)
-	} else {
+		if err != nil {
-		// Marshall the results
+			return err
-		mashalledBytes, err = yaml.Marshal(podYAML)
+		}
 	}
+	// Marshall the results
+	marshalledPod, err = yaml.Marshal(podYAML)
 	if err != nil {
 		return err
 	}
@@ -96,7 +99,11 @@ func generateKubeYAMLCmd(c *cli.Context) error {
 # Created with podman-%s
 `
 	output = append(output, []byte(fmt.Sprintf(header, podmanVersion.Version))...)
-	output = append(output, mashalledBytes...)
+	output = append(output, marshalledPod...)
+	if c.Bool("service") {
+		output = append(output, []byte("---\n")...)
+		output = append(output, marshalledService...)
+	}
 	// Output the v1.Pod with the v1.Container
 	fmt.Println(string(output))
 

docs/podman-generate-kube.1.md

@@ -22,7 +22,7 @@ random port is assigned by Podman in the specification.
 # OPTIONS:
 
 **s** **--service**
-Generate a service file for the resulting Pod YAML.
+Generate a Kubernetes service object in addition to the Pods.
 
 ## Examples ##
 
@@ -82,31 +82,63 @@ spec:
 status: {}
 ```
 
-Create Kubernetes service YAML for a container called `some-mariabdb`
+Create Kubernetes Pod YAML for a pod called `demoweb` and include a service.
 ```
-$ sudo podman generate kube -s some-mariadb
+$ sudo podman generate kube -s demoweb
-# Generation of Kubenetes YAML is still under development!
+# Generation of Kubernetes YAML is still under development!
 #
 # Save the output of this file and use kubectl create -f to import
 # it into Kubernetes.
 #
-# Created with podman-0.11.2-dev
+# Created with podman-0.12.2-dev
+apiVersion: v1
+kind: Pod
+metadata:
+  creationTimestamp: 2018-12-18T15:16:06Z
+  labels:
+    app: demoweb
+  name: demoweb-libpod
+spec:
+  containers:
+  - command:
+    - python3
+    - /root/code/graph.py
+    env:
+    - name: PATH
+      value: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+    - name: TERM
+      value: xterm
+    - name: HOSTNAME
+    - name: container
+      value: podman
+    image: quay.io/baude/demoweb:latest
+    name: practicalarchimedes
+    resources: {}
+    securityContext:
+      allowPrivilegeEscalation: true
+      capabilities: {}
+      privileged: false
+      readOnlyRootFilesystem: false
+    tty: true
+    workingDir: /root/code
+status: {}
+---
 apiVersion: v1
 kind: Service
 metadata:
-  creationTimestamp: 2018-12-03T19:08:24Z
+  creationTimestamp: 2018-12-18T15:16:06Z
   labels:
-    app: some-mariadb
+    app: demoweb
-  name: some-mariadb-libpod
+  name: demoweb-libpod
 spec:
   ports:
-  - name: "3306"
+  - name: "8050"
-    nodePort: 30929
+    nodePort: 31269
-    port: 3306
+    port: 8050
     protocol: TCP
     targetPort: 0
   selector:
-    app: some-mariadb
+    app: demoweb
   type: NodePort
 status:
   loadBalancer: {}