cmd/client: split commands in multiple files

Signed-off-by: Antonio Murdaca <runcom@redhat.com>

.tool/lint

@@ -14,7 +14,7 @@ for d in $(find . -type d -not -iwholename '*.git*' -a -not -iname '.tool' -a -n
 		--exclude='error return value not checked.*(Close|Log|Print).*\(errcheck\)$' \
 		--exclude='.*_test\.go:.*error return value not checked.*\(errcheck\)$' \
 		--exclude='duplicate of.*_test.go.*\(dupl\)$' \
-		--exclude='duplicate of.*main.go.*\(dupl\)$' \
+		--exclude='cmd\/client\/.*\.go.*\(dupl\)$' \
 		--disable=aligncheck \
 		--disable=gotype \
 		--disable=gas \

Makefile

@@ -17,10 +17,10 @@ conmon:
 	make -C $@
 
 ocid:
-	go build -o ocid ./cmd/server/main.go
+	go build -o ocid ./cmd/server/
 
 ocic:
-	go build -o ocic ./cmd/client/main.go
+	go build -o ocic ./cmd/client/
 
 clean:
 	rm -f ocic ocid

cmd/client/container.go

@@ -0,0 +1,266 @@
+package main
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/urfave/cli"
+	"golang.org/x/net/context"
+	pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
+)
+
+var containerCommand = cli.Command{
+	Name:    "container",
+	Aliases: []string{"ctr"},
+	Subcommands: []cli.Command{
+		createContainerCommand,
+		startContainerCommand,
+		stopContainerCommand,
+		removeContainerCommand,
+		containerStatusCommand,
+	},
+}
+
+var createContainerCommand = cli.Command{
+	Name:  "create",
+	Usage: "create a container",
+	Flags: []cli.Flag{
+		cli.StringFlag{
+			Name:  "pod",
+			Usage: "the id of the pod sandbox to which the container belongs",
+		},
+		cli.StringFlag{
+			Name:  "config",
+			Value: "config.json",
+			Usage: "the path of a container config file",
+		},
+	},
+	Action: func(context *cli.Context) error {
+		// Set up a connection to the server.
+		conn, err := getClientConnection(context)
+		if err != nil {
+			return fmt.Errorf("failed to connect: %v", err)
+		}
+		defer conn.Close()
+		client := pb.NewRuntimeServiceClient(conn)
+
+		if !context.IsSet("pod") {
+			return fmt.Errorf("Please specify the id of the pod sandbox to which the container belongs via the --pod option")
+		}
+		// Test RuntimeServiceClient.CreateContainer
+		err = CreateContainer(client, context.String("pod"), context.String("config"))
+		if err != nil {
+			return fmt.Errorf("Creating container failed: %v", err)
+		}
+		return nil
+	},
+}
+
+var startContainerCommand = cli.Command{
+	Name:  "start",
+	Usage: "start a container",
+	Flags: []cli.Flag{
+		cli.StringFlag{
+			Name:  "id",
+			Value: "",
+			Usage: "id of the container",
+		},
+	},
+	Action: func(context *cli.Context) error {
+		// Set up a connection to the server.
+		conn, err := getClientConnection(context)
+		if err != nil {
+			return fmt.Errorf("failed to connect: %v", err)
+		}
+		defer conn.Close()
+		client := pb.NewRuntimeServiceClient(conn)
+
+		err = StartContainer(client, context.String("id"))
+		if err != nil {
+			return fmt.Errorf("Starting the container failed: %v", err)
+		}
+		return nil
+	},
+}
+
+var stopContainerCommand = cli.Command{
+	Name:  "stop",
+	Usage: "stop a container",
+	Flags: []cli.Flag{
+		cli.StringFlag{
+			Name:  "id",
+			Value: "",
+			Usage: "id of the container",
+		},
+	},
+	Action: func(context *cli.Context) error {
+		// Set up a connection to the server.
+		conn, err := getClientConnection(context)
+		if err != nil {
+			return fmt.Errorf("failed to connect: %v", err)
+		}
+		defer conn.Close()
+		client := pb.NewRuntimeServiceClient(conn)
+
+		err = StopContainer(client, context.String("id"))
+		if err != nil {
+			return fmt.Errorf("Stopping the container failed: %v", err)
+		}
+		return nil
+	},
+}
+
+var removeContainerCommand = cli.Command{
+	Name:  "remove",
+	Usage: "remove a container",
+	Flags: []cli.Flag{
+		cli.StringFlag{
+			Name:  "id",
+			Value: "",
+			Usage: "id of the container",
+		},
+	},
+	Action: func(context *cli.Context) error {
+		// Set up a connection to the server.
+		conn, err := getClientConnection(context)
+		if err != nil {
+			return fmt.Errorf("failed to connect: %v", err)
+		}
+		defer conn.Close()
+		client := pb.NewRuntimeServiceClient(conn)
+
+		err = RemoveContainer(client, context.String("id"))
+		if err != nil {
+			return fmt.Errorf("Removing the container failed: %v", err)
+		}
+		return nil
+	},
+}
+
+var containerStatusCommand = cli.Command{
+	Name:  "status",
+	Usage: "get the status of a container",
+	Flags: []cli.Flag{
+		cli.StringFlag{
+			Name:  "id",
+			Value: "",
+			Usage: "id of the container",
+		},
+	},
+	Action: func(context *cli.Context) error {
+		// Set up a connection to the server.
+		conn, err := getClientConnection(context)
+		if err != nil {
+			return fmt.Errorf("failed to connect: %v", err)
+		}
+		defer conn.Close()
+		client := pb.NewRuntimeServiceClient(conn)
+
+		err = ContainerStatus(client, context.String("id"))
+		if err != nil {
+			return fmt.Errorf("Getting the status of the container failed: %v", err)
+		}
+		return nil
+	},
+}
+
+// CreateContainer sends a CreateContainerRequest to the server, and parses
+// the returned CreateContainerResponse.
+func CreateContainer(client pb.RuntimeServiceClient, sandbox string, path string) error {
+	config, err := loadContainerConfig(path)
+	if err != nil {
+		return err
+	}
+
+	r, err := client.CreateContainer(context.Background(), &pb.CreateContainerRequest{
+		PodSandboxId: &sandbox,
+		Config:       config,
+	})
+	if err != nil {
+		return err
+	}
+	fmt.Println(*r.ContainerId)
+	return nil
+}
+
+// StartContainer sends a StartContainerRequest to the server, and parses
+// the returned StartContainerResponse.
+func StartContainer(client pb.RuntimeServiceClient, ID string) error {
+	if ID == "" {
+		return fmt.Errorf("ID cannot be empty")
+	}
+	_, err := client.StartContainer(context.Background(), &pb.StartContainerRequest{
+		ContainerId: &ID,
+	})
+	if err != nil {
+		return err
+	}
+	fmt.Println(ID)
+	return nil
+}
+
+// StopContainer sends a StopContainerRequest to the server, and parses
+// the returned StopContainerResponse.
+func StopContainer(client pb.RuntimeServiceClient, ID string) error {
+	if ID == "" {
+		return fmt.Errorf("ID cannot be empty")
+	}
+	_, err := client.StopContainer(context.Background(), &pb.StopContainerRequest{
+		ContainerId: &ID,
+	})
+	if err != nil {
+		return err
+	}
+	fmt.Println(ID)
+	return nil
+}
+
+// RemoveContainer sends a RemoveContainerRequest to the server, and parses
+// the returned RemoveContainerResponse.
+func RemoveContainer(client pb.RuntimeServiceClient, ID string) error {
+	if ID == "" {
+		return fmt.Errorf("ID cannot be empty")
+	}
+	_, err := client.RemoveContainer(context.Background(), &pb.RemoveContainerRequest{
+		ContainerId: &ID,
+	})
+	if err != nil {
+		return err
+	}
+	fmt.Println(ID)
+	return nil
+}
+
+// ContainerStatus sends a ContainerStatusRequest to the server, and parses
+// the returned ContainerStatusResponse.
+func ContainerStatus(client pb.RuntimeServiceClient, ID string) error {
+	if ID == "" {
+		return fmt.Errorf("ID cannot be empty")
+	}
+	r, err := client.ContainerStatus(context.Background(), &pb.ContainerStatusRequest{
+		ContainerId: &ID})
+	if err != nil {
+		return err
+	}
+	fmt.Printf("ID: %s\n", *r.Status.Id)
+	if r.Status.State != nil {
+		fmt.Printf("Status: %s\n", r.Status.State)
+	}
+	if r.Status.CreatedAt != nil {
+		ctm := time.Unix(*r.Status.CreatedAt, 0)
+		fmt.Printf("Created: %v\n", ctm)
+	}
+	if r.Status.StartedAt != nil {
+		stm := time.Unix(*r.Status.StartedAt, 0)
+		fmt.Printf("Started: %v\n", stm)
+	}
+	if r.Status.FinishedAt != nil {
+		ftm := time.Unix(*r.Status.FinishedAt, 0)
+		fmt.Printf("Finished: %v\n", ftm)
+	}
+	if r.Status.ExitCode != nil {
+		fmt.Printf("Exit Code: %v\n", *r.Status.ExitCode)
+	}
+
+	return nil
+}

cmd/client/image.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/urfave/cli"
+	"golang.org/x/net/context"
+	pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
+)
+
+var imageCommand = cli.Command{
+	Name: "image",
+	Subcommands: []cli.Command{
+		pullImageCommand,
+	},
+}
+
+var pullImageCommand = cli.Command{
+	Name:  "pull",
+	Usage: "pull an image",
+	Action: func(context *cli.Context) error {
+		// Set up a connection to the server.
+		conn, err := getClientConnection(context)
+		if err != nil {
+			return fmt.Errorf("failed to connect: %v", err)
+		}
+		defer conn.Close()
+		client := pb.NewImageServiceClient(conn)
+
+		_, err = PullImage(client, context.Args().Get(0))
+		if err != nil {
+			return fmt.Errorf("pulling image failed: %v", err)
+		}
+		return nil
+	},
+}
+
+// PullImage sends a PullImageRequest to the server, and parses
+// the returned ContainerStatusResponse.
+func PullImage(client pb.ImageServiceClient, image string) (*pb.PullImageResponse, error) {
+	return client.PullImage(context.Background(), &pb.PullImageRequest{Image: &pb.ImageSpec{Image: &image}})
+}

cmd/client/main.go

@@ -9,7 +9,6 @@ import (
 
 	"github.com/Sirupsen/logrus"
 	"github.com/urfave/cli"
-	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
 )
@@ -69,175 +68,6 @@ func loadContainerConfig(path string) (*pb.ContainerConfig, error) {
 	return &config, nil
 }
 
-// CreatePodSandbox sends a CreatePodSandboxRequest to the server, and parses
-// the returned CreatePodSandboxResponse.
-func CreatePodSandbox(client pb.RuntimeServiceClient, path string) error {
-	config, err := loadPodSandboxConfig(path)
-	if err != nil {
-		return err
-	}
-
-	r, err := client.CreatePodSandbox(context.Background(), &pb.CreatePodSandboxRequest{Config: config})
-	if err != nil {
-		return err
-	}
-	fmt.Println(*r.PodSandboxId)
-	return nil
-}
-
-// StopPodSandbox sends a StopPodSandboxRequest to the server, and parses
-// the returned StopPodSandboxResponse.
-func StopPodSandbox(client pb.RuntimeServiceClient, ID string) error {
-	if ID == "" {
-		return fmt.Errorf("ID cannot be empty")
-	}
-	_, err := client.StopPodSandbox(context.Background(), &pb.StopPodSandboxRequest{PodSandboxId: &ID})
-	if err != nil {
-		return err
-	}
-	fmt.Println(ID)
-	return nil
-}
-
-// RemovePodSandbox sends a RemovePodSandboxRequest to the server, and parses
-// the returned RemovePodSandboxResponse.
-func RemovePodSandbox(client pb.RuntimeServiceClient, ID string) error {
-	if ID == "" {
-		return fmt.Errorf("ID cannot be empty")
-	}
-	_, err := client.RemovePodSandbox(context.Background(), &pb.RemovePodSandboxRequest{PodSandboxId: &ID})
-	if err != nil {
-		return err
-	}
-	fmt.Println(ID)
-	return nil
-}
-
-// PodSandboxStatus sends a PodSandboxStatusRequest to the server, and parses
-// the returned PodSandboxStatusResponse.
-func PodSandboxStatus(client pb.RuntimeServiceClient, ID string) error {
-	if ID == "" {
-		return fmt.Errorf("ID cannot be empty")
-	}
-	r, err := client.PodSandboxStatus(context.Background(), &pb.PodSandboxStatusRequest{PodSandboxId: &ID})
-	if err != nil {
-		return err
-	}
-	fmt.Println(r)
-	return nil
-}
-
-// CreateContainer sends a CreateContainerRequest to the server, and parses
-// the returned CreateContainerResponse.
-func CreateContainer(client pb.RuntimeServiceClient, sandbox string, path string) error {
-	config, err := loadContainerConfig(path)
-	if err != nil {
-		return err
-	}
-
-	r, err := client.CreateContainer(context.Background(), &pb.CreateContainerRequest{
-		PodSandboxId: &sandbox,
-		Config:       config,
-	})
-	if err != nil {
-		return err
-	}
-	fmt.Println(*r.ContainerId)
-	return nil
-}
-
-// StartContainer sends a StartContainerRequest to the server, and parses
-// the returned StartContainerResponse.
-func StartContainer(client pb.RuntimeServiceClient, ID string) error {
-	if ID == "" {
-		return fmt.Errorf("ID cannot be empty")
-	}
-	_, err := client.StartContainer(context.Background(), &pb.StartContainerRequest{
-		ContainerId: &ID,
-	})
-	if err != nil {
-		return err
-	}
-	fmt.Println(ID)
-	return nil
-}
-
-// StopContainer sends a StopContainerRequest to the server, and parses
-// the returned StopContainerResponse.
-func StopContainer(client pb.RuntimeServiceClient, ID string) error {
-	if ID == "" {
-		return fmt.Errorf("ID cannot be empty")
-	}
-	_, err := client.StopContainer(context.Background(), &pb.StopContainerRequest{
-		ContainerId: &ID,
-	})
-	if err != nil {
-		return err
-	}
-	fmt.Println(ID)
-	return nil
-}
-
-// RemoveContainer sends a RemoveContainerRequest to the server, and parses
-// the returned RemoveContainerResponse.
-func RemoveContainer(client pb.RuntimeServiceClient, ID string) error {
-	if ID == "" {
-		return fmt.Errorf("ID cannot be empty")
-	}
-	_, err := client.RemoveContainer(context.Background(), &pb.RemoveContainerRequest{
-		ContainerId: &ID,
-	})
-	if err != nil {
-		return err
-	}
-	fmt.Println(ID)
-	return nil
-}
-
-// ContainerStatus sends a ContainerStatusRequest to the server, and parses
-// the returned ContainerStatusResponse.
-func ContainerStatus(client pb.RuntimeServiceClient, ID string) error {
-	if ID == "" {
-		return fmt.Errorf("ID cannot be empty")
-	}
-	r, err := client.ContainerStatus(context.Background(), &pb.ContainerStatusRequest{
-		ContainerId: &ID})
-	if err != nil {
-		return err
-	}
-	fmt.Printf("ID: %s\n", *r.Status.Id)
-	if r.Status.State != nil {
-		fmt.Printf("Status: %s\n", r.Status.State)
-	}
-	if r.Status.CreatedAt != nil {
-		ctm := time.Unix(*r.Status.CreatedAt, 0)
-		fmt.Printf("Created: %v\n", ctm)
-	}
-	if r.Status.StartedAt != nil {
-		stm := time.Unix(*r.Status.StartedAt, 0)
-		fmt.Printf("Started: %v\n", stm)
-	}
-	if r.Status.FinishedAt != nil {
-		ftm := time.Unix(*r.Status.FinishedAt, 0)
-		fmt.Printf("Finished: %v\n", ftm)
-	}
-	if r.Status.ExitCode != nil {
-		fmt.Printf("Exit Code: %v\n", *r.Status.ExitCode)
-	}
-
-	return nil
-}
-
-// Version sends a VersionRequest to the server, and parses the returned VersionResponse.
-func Version(client pb.RuntimeServiceClient, version string) error {
-	r, err := client.Version(context.Background(), &pb.VersionRequest{Version: &version})
-	if err != nil {
-		return err
-	}
-	fmt.Printf("VersionResponse: Version: %s, RuntimeName: %s, RuntimeVersion: %s, RuntimeApiVersion: %s\n", *r.Version, *r.RuntimeName, *r.RuntimeVersion, *r.RuntimeApiVersion)
-	return nil
-}
-
 func main() {
 	app := cli.NewApp()
 	app.Name = "ocic"
@@ -248,7 +78,7 @@ func main() {
 		podSandboxCommand,
 		containerCommand,
 		runtimeVersionCommand,
-		pullImageCommand,
+		imageCommand,
 	}
 
 	app.Flags = []cli.Flag{
@@ -263,326 +93,3 @@ func main() {
 		logrus.Fatal(err)
 	}
 }
-
-// PullImage sends a PullImageRequest to the server, and parses
-// the returned ContainerStatusResponse.
-func PullImage(client pb.ImageServiceClient, image string) (*pb.PullImageResponse, error) {
-	return client.PullImage(context.Background(), &pb.PullImageRequest{Image: &pb.ImageSpec{Image: &image}})
-}
-
-// try this with ./ocic pullimage docker://busybox
-var pullImageCommand = cli.Command{
-	Name:  "pullimage",
-	Usage: "pull an image",
-	Action: func(context *cli.Context) error {
-		// Set up a connection to the server.
-		conn, err := getClientConnection(context)
-		if err != nil {
-			return fmt.Errorf("failed to connect: %v", err)
-		}
-		defer conn.Close()
-		client := pb.NewImageServiceClient(conn)
-
-		_, err = PullImage(client, context.Args().Get(0))
-		if err != nil {
-			return fmt.Errorf("pulling image failed: %v", err)
-		}
-		return nil
-	},
-}
-
-var runtimeVersionCommand = cli.Command{
-	Name:  "runtimeversion",
-	Usage: "get runtime version information",
-	Action: func(context *cli.Context) error {
-		// Set up a connection to the server.
-		conn, err := getClientConnection(context)
-		if err != nil {
-			return fmt.Errorf("failed to connect: %v", err)
-		}
-		defer conn.Close()
-		client := pb.NewRuntimeServiceClient(conn)
-
-		// Test RuntimeServiceClient.Version
-		version := "v1alpha1"
-		err = Version(client, version)
-		if err != nil {
-			return fmt.Errorf("Getting the runtime version failed: %v", err)
-		}
-		return nil
-	},
-}
-
-var podSandboxCommand = cli.Command{
-	Name: "pod",
-	Subcommands: []cli.Command{
-		createPodSandboxCommand,
-		stopPodSandboxCommand,
-		removePodSandboxCommand,
-		podSandboxStatusCommand,
-	},
-}
-
-var createPodSandboxCommand = cli.Command{
-	Name:  "create",
-	Usage: "create a pod",
-	Flags: []cli.Flag{
-		cli.StringFlag{
-			Name:  "config",
-			Value: "config.json",
-			Usage: "the path of a pod sandbox config file",
-		},
-	},
-	Action: func(context *cli.Context) error {
-		// Set up a connection to the server.
-		conn, err := getClientConnection(context)
-		if err != nil {
-			return fmt.Errorf("failed to connect: %v", err)
-		}
-		defer conn.Close()
-		client := pb.NewRuntimeServiceClient(conn)
-
-		// Test RuntimeServiceClient.CreatePodSandbox
-		err = CreatePodSandbox(client, context.String("config"))
-		if err != nil {
-			return fmt.Errorf("Creating the pod sandbox failed: %v", err)
-		}
-		return nil
-	},
-}
-
-var stopPodSandboxCommand = cli.Command{
-	Name:  "stop",
-	Usage: "stop a pod sandbox",
-	Flags: []cli.Flag{
-		cli.StringFlag{
-			Name:  "id",
-			Value: "",
-			Usage: "id of the pod sandbox",
-		},
-	},
-	Action: func(context *cli.Context) error {
-		// Set up a connection to the server.
-		conn, err := getClientConnection(context)
-		if err != nil {
-			return fmt.Errorf("failed to connect: %v", err)
-		}
-		defer conn.Close()
-		client := pb.NewRuntimeServiceClient(conn)
-
-		err = StopPodSandbox(client, context.String("id"))
-		if err != nil {
-			return fmt.Errorf("Stopping the pod sandbox failed: %v", err)
-		}
-		return nil
-	},
-}
-
-var removePodSandboxCommand = cli.Command{
-	Name:  "remove",
-	Usage: "remove a pod sandbox",
-	Flags: []cli.Flag{
-		cli.StringFlag{
-			Name:  "id",
-			Value: "",
-			Usage: "id of the pod sandbox",
-		},
-	},
-	Action: func(context *cli.Context) error {
-		// Set up a connection to the server.
-		conn, err := getClientConnection(context)
-		if err != nil {
-			return fmt.Errorf("failed to connect: %v", err)
-		}
-		defer conn.Close()
-		client := pb.NewRuntimeServiceClient(conn)
-
-		err = RemovePodSandbox(client, context.String("id"))
-		if err != nil {
-			return fmt.Errorf("removing the pod sandbox failed: %v", err)
-		}
-		return nil
-	},
-}
-
-var podSandboxStatusCommand = cli.Command{
-	Name:  "status",
-	Usage: "return the status of a pod",
-	Flags: []cli.Flag{
-		cli.StringFlag{
-			Name:  "id",
-			Value: "",
-			Usage: "id of the pod",
-		},
-	},
-	Action: func(context *cli.Context) error {
-		// Set up a connection to the server.
-		conn, err := getClientConnection(context)
-		if err != nil {
-			return fmt.Errorf("failed to connect: %v", err)
-		}
-		defer conn.Close()
-		client := pb.NewRuntimeServiceClient(conn)
-
-		err = PodSandboxStatus(client, context.String("id"))
-		if err != nil {
-			return fmt.Errorf("getting the pod sandbox status failed: %v", err)
-		}
-		return nil
-	},
-}
-
-var containerCommand = cli.Command{
-	Name:    "container",
-	Aliases: []string{"ctr"},
-	Subcommands: []cli.Command{
-		createContainerCommand,
-		startContainerCommand,
-		stopContainerCommand,
-		removeContainerCommand,
-		containerStatusCommand,
-	},
-}
-
-var createContainerCommand = cli.Command{
-	Name:  "create",
-	Usage: "create a container",
-	Flags: []cli.Flag{
-		cli.StringFlag{
-			Name:  "pod",
-			Usage: "the id of the pod sandbox to which the container belongs",
-		},
-		cli.StringFlag{
-			Name:  "config",
-			Value: "config.json",
-			Usage: "the path of a container config file",
-		},
-	},
-	Action: func(context *cli.Context) error {
-		// Set up a connection to the server.
-		conn, err := getClientConnection(context)
-		if err != nil {
-			return fmt.Errorf("failed to connect: %v", err)
-		}
-		defer conn.Close()
-		client := pb.NewRuntimeServiceClient(conn)
-
-		if !context.IsSet("pod") {
-			return fmt.Errorf("Please specify the id of the pod sandbox to which the container belongs via the --pod option")
-		}
-		// Test RuntimeServiceClient.CreateContainer
-		err = CreateContainer(client, context.String("pod"), context.String("config"))
-		if err != nil {
-			return fmt.Errorf("Creating container failed: %v", err)
-		}
-		return nil
-	},
-}
-
-var startContainerCommand = cli.Command{
-	Name:  "start",
-	Usage: "start a container",
-	Flags: []cli.Flag{
-		cli.StringFlag{
-			Name:  "id",
-			Value: "",
-			Usage: "id of the container",
-		},
-	},
-	Action: func(context *cli.Context) error {
-		// Set up a connection to the server.
-		conn, err := getClientConnection(context)
-		if err != nil {
-			return fmt.Errorf("failed to connect: %v", err)
-		}
-		defer conn.Close()
-		client := pb.NewRuntimeServiceClient(conn)
-
-		err = StartContainer(client, context.String("id"))
-		if err != nil {
-			return fmt.Errorf("Starting the container failed: %v", err)
-		}
-		return nil
-	},
-}
-
-var stopContainerCommand = cli.Command{
-	Name:  "stop",
-	Usage: "stop a container",
-	Flags: []cli.Flag{
-		cli.StringFlag{
-			Name:  "id",
-			Value: "",
-			Usage: "id of the container",
-		},
-	},
-	Action: func(context *cli.Context) error {
-		// Set up a connection to the server.
-		conn, err := getClientConnection(context)
-		if err != nil {
-			return fmt.Errorf("failed to connect: %v", err)
-		}
-		defer conn.Close()
-		client := pb.NewRuntimeServiceClient(conn)
-
-		err = StopContainer(client, context.String("id"))
-		if err != nil {
-			return fmt.Errorf("Stopping the container failed: %v", err)
-		}
-		return nil
-	},
-}
-
-var removeContainerCommand = cli.Command{
-	Name:  "remove",
-	Usage: "remove a container",
-	Flags: []cli.Flag{
-		cli.StringFlag{
-			Name:  "id",
-			Value: "",
-			Usage: "id of the container",
-		},
-	},
-	Action: func(context *cli.Context) error {
-		// Set up a connection to the server.
-		conn, err := getClientConnection(context)
-		if err != nil {
-			return fmt.Errorf("failed to connect: %v", err)
-		}
-		defer conn.Close()
-		client := pb.NewRuntimeServiceClient(conn)
-
-		err = RemoveContainer(client, context.String("id"))
-		if err != nil {
-			return fmt.Errorf("Removing the container failed: %v", err)
-		}
-		return nil
-	},
-}
-
-var containerStatusCommand = cli.Command{
-	Name:  "status",
-	Usage: "get the status of a container",
-	Flags: []cli.Flag{
-		cli.StringFlag{
-			Name:  "id",
-			Value: "",
-			Usage: "id of the container",
-		},
-	},
-	Action: func(context *cli.Context) error {
-		// Set up a connection to the server.
-		conn, err := getClientConnection(context)
-		if err != nil {
-			return fmt.Errorf("failed to connect: %v", err)
-		}
-		defer conn.Close()
-		client := pb.NewRuntimeServiceClient(conn)
-
-		err = ContainerStatus(client, context.String("id"))
-		if err != nil {
-			return fmt.Errorf("Getting the status of the container failed: %v", err)
-		}
-		return nil
-	},
-}

cmd/client/sandbox.go

@@ -0,0 +1,186 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/urfave/cli"
+	"golang.org/x/net/context"
+	pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
+)
+
+var podSandboxCommand = cli.Command{
+	Name: "pod",
+	Subcommands: []cli.Command{
+		createPodSandboxCommand,
+		stopPodSandboxCommand,
+		removePodSandboxCommand,
+		podSandboxStatusCommand,
+	},
+}
+
+var createPodSandboxCommand = cli.Command{
+	Name:  "create",
+	Usage: "create a pod",
+	Flags: []cli.Flag{
+		cli.StringFlag{
+			Name:  "config",
+			Value: "config.json",
+			Usage: "the path of a pod sandbox config file",
+		},
+	},
+	Action: func(context *cli.Context) error {
+		// Set up a connection to the server.
+		conn, err := getClientConnection(context)
+		if err != nil {
+			return fmt.Errorf("failed to connect: %v", err)
+		}
+		defer conn.Close()
+		client := pb.NewRuntimeServiceClient(conn)
+
+		// Test RuntimeServiceClient.CreatePodSandbox
+		err = CreatePodSandbox(client, context.String("config"))
+		if err != nil {
+			return fmt.Errorf("Creating the pod sandbox failed: %v", err)
+		}
+		return nil
+	},
+}
+
+var stopPodSandboxCommand = cli.Command{
+	Name:  "stop",
+	Usage: "stop a pod sandbox",
+	Flags: []cli.Flag{
+		cli.StringFlag{
+			Name:  "id",
+			Value: "",
+			Usage: "id of the pod sandbox",
+		},
+	},
+	Action: func(context *cli.Context) error {
+		// Set up a connection to the server.
+		conn, err := getClientConnection(context)
+		if err != nil {
+			return fmt.Errorf("failed to connect: %v", err)
+		}
+		defer conn.Close()
+		client := pb.NewRuntimeServiceClient(conn)
+
+		err = StopPodSandbox(client, context.String("id"))
+		if err != nil {
+			return fmt.Errorf("Stopping the pod sandbox failed: %v", err)
+		}
+		return nil
+	},
+}
+
+var removePodSandboxCommand = cli.Command{
+	Name:  "remove",
+	Usage: "remove a pod sandbox",
+	Flags: []cli.Flag{
+		cli.StringFlag{
+			Name:  "id",
+			Value: "",
+			Usage: "id of the pod sandbox",
+		},
+	},
+	Action: func(context *cli.Context) error {
+		// Set up a connection to the server.
+		conn, err := getClientConnection(context)
+		if err != nil {
+			return fmt.Errorf("failed to connect: %v", err)
+		}
+		defer conn.Close()
+		client := pb.NewRuntimeServiceClient(conn)
+
+		err = RemovePodSandbox(client, context.String("id"))
+		if err != nil {
+			return fmt.Errorf("removing the pod sandbox failed: %v", err)
+		}
+		return nil
+	},
+}
+
+var podSandboxStatusCommand = cli.Command{
+	Name:  "status",
+	Usage: "return the status of a pod",
+	Flags: []cli.Flag{
+		cli.StringFlag{
+			Name:  "id",
+			Value: "",
+			Usage: "id of the pod",
+		},
+	},
+	Action: func(context *cli.Context) error {
+		// Set up a connection to the server.
+		conn, err := getClientConnection(context)
+		if err != nil {
+			return fmt.Errorf("failed to connect: %v", err)
+		}
+		defer conn.Close()
+		client := pb.NewRuntimeServiceClient(conn)
+
+		err = PodSandboxStatus(client, context.String("id"))
+		if err != nil {
+			return fmt.Errorf("getting the pod sandbox status failed: %v", err)
+		}
+		return nil
+	},
+}
+
+// CreatePodSandbox sends a CreatePodSandboxRequest to the server, and parses
+// the returned CreatePodSandboxResponse.
+func CreatePodSandbox(client pb.RuntimeServiceClient, path string) error {
+	config, err := loadPodSandboxConfig(path)
+	if err != nil {
+		return err
+	}
+
+	r, err := client.CreatePodSandbox(context.Background(), &pb.CreatePodSandboxRequest{Config: config})
+	if err != nil {
+		return err
+	}
+	fmt.Println(*r.PodSandboxId)
+	return nil
+}
+
+// StopPodSandbox sends a StopPodSandboxRequest to the server, and parses
+// the returned StopPodSandboxResponse.
+func StopPodSandbox(client pb.RuntimeServiceClient, ID string) error {
+	if ID == "" {
+		return fmt.Errorf("ID cannot be empty")
+	}
+	_, err := client.StopPodSandbox(context.Background(), &pb.StopPodSandboxRequest{PodSandboxId: &ID})
+	if err != nil {
+		return err
+	}
+	fmt.Println(ID)
+	return nil
+}
+
+// RemovePodSandbox sends a RemovePodSandboxRequest to the server, and parses
+// the returned RemovePodSandboxResponse.
+func RemovePodSandbox(client pb.RuntimeServiceClient, ID string) error {
+	if ID == "" {
+		return fmt.Errorf("ID cannot be empty")
+	}
+	_, err := client.RemovePodSandbox(context.Background(), &pb.RemovePodSandboxRequest{PodSandboxId: &ID})
+	if err != nil {
+		return err
+	}
+	fmt.Println(ID)
+	return nil
+}
+
+// PodSandboxStatus sends a PodSandboxStatusRequest to the server, and parses
+// the returned PodSandboxStatusResponse.
+func PodSandboxStatus(client pb.RuntimeServiceClient, ID string) error {
+	if ID == "" {
+		return fmt.Errorf("ID cannot be empty")
+	}
+	r, err := client.PodSandboxStatus(context.Background(), &pb.PodSandboxStatusRequest{PodSandboxId: &ID})
+	if err != nil {
+		return err
+	}
+	fmt.Println(r)
+	return nil
+}

cmd/client/system.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/urfave/cli"
+	"golang.org/x/net/context"
+	pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
+)
+
+var runtimeVersionCommand = cli.Command{
+	Name:  "runtimeversion",
+	Usage: "get runtime version information",
+	Action: func(context *cli.Context) error {
+		// Set up a connection to the server.
+		conn, err := getClientConnection(context)
+		if err != nil {
+			return fmt.Errorf("failed to connect: %v", err)
+		}
+		defer conn.Close()
+		client := pb.NewRuntimeServiceClient(conn)
+
+		// Test RuntimeServiceClient.Version
+		version := "v1alpha1"
+		err = Version(client, version)
+		if err != nil {
+			return fmt.Errorf("Getting the runtime version failed: %v", err)
+		}
+		return nil
+	},
+}
+
+// Version sends a VersionRequest to the server, and parses the returned VersionResponse.
+func Version(client pb.RuntimeServiceClient, version string) error {
+	r, err := client.Version(context.Background(), &pb.VersionRequest{Version: &version})
+	if err != nil {
+		return err
+	}
+	fmt.Printf("VersionResponse: Version: %s, RuntimeName: %s, RuntimeVersion: %s, RuntimeApiVersion: %s\n", *r.Version, *r.RuntimeName, *r.RuntimeVersion, *r.RuntimeApiVersion)
+	return nil
+}