Rename ocid to crio.

The ocid project was renamed to CRI-O, months ago, it is time that we moved
all of the code to the new name.  We want to elminate the name ocid from use.
Move fully to crio.

Also cric is being renamed to crioctl for the time being.

Signed-off-by: Dan Walsh <dwalsh@redhat.com>

cmd/crioctl/main.go

@@ -0,0 +1,95 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"net"
+	"os"
+	"time"
+
+	"github.com/Sirupsen/logrus"
+	"github.com/urfave/cli"
+	"google.golang.org/grpc"
+	pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
+)
+
+func getClientConnection(context *cli.Context) (*grpc.ClientConn, error) {
+	conn, err := grpc.Dial(context.GlobalString("connect"), grpc.WithInsecure(), grpc.WithTimeout(context.GlobalDuration("timeout")),
+		grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
+			return net.DialTimeout("unix", addr, timeout)
+		}))
+	if err != nil {
+		return nil, fmt.Errorf("failed to connect: %v", err)
+	}
+	return conn, nil
+}
+
+func openFile(path string) (*os.File, error) {
+	f, err := os.Open(path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return nil, fmt.Errorf("config at %s not found", path)
+		}
+		return nil, err
+	}
+	return f, nil
+}
+
+func loadPodSandboxConfig(path string) (*pb.PodSandboxConfig, error) {
+	f, err := openFile(path)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	var config pb.PodSandboxConfig
+	if err := json.NewDecoder(f).Decode(&config); err != nil {
+		return nil, err
+	}
+	return &config, nil
+}
+
+func loadContainerConfig(path string) (*pb.ContainerConfig, error) {
+	f, err := openFile(path)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	var config pb.ContainerConfig
+	if err := json.NewDecoder(f).Decode(&config); err != nil {
+		return nil, err
+	}
+	return &config, nil
+}
+
+func main() {
+	app := cli.NewApp()
+	app.Name = "crioctl"
+	app.Usage = "client for crio"
+	app.Version = "0.3"
+
+	app.Commands = []cli.Command{
+		podSandboxCommand,
+		containerCommand,
+		runtimeVersionCommand,
+		imageCommand,
+	}
+
+	app.Flags = []cli.Flag{
+		cli.StringFlag{
+			Name:  "connect",
+			Value: "/var/run/crio.sock",
+			Usage: "Socket to connect to",
+		},
+		cli.DurationFlag{
+			Name:  "timeout",
+			Value: 10 * time.Second,
+			Usage: "Timeout of connecting to server",
+		},
+	}
+
+	if err := app.Run(os.Args); err != nil {
+		logrus.Fatal(err)
+	}
+}