Initial checkin from CRI-O repo

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>

1 files changed, 113 insertions, 0 deletions

diff --git a/cmd/crioctl/main.go b/cmd/crioctl/main.go
new file mode 100644
index 000000000..3d77867fe
--- /dev/null
+++ b/cmd/crioctl/main.go
@@ -0,0 +1,113 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"net"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli"
+	"google.golang.org/grpc"
+	pb "k8s.io/kubernetes/pkg/kubelet/apis/cri/v1alpha1/runtime"
+)
+
+// This is populated by the Makefile from the VERSION file
+// in the repository
+var version = ""
+
+// gitCommit is the commit that the binary is being built from.
+// It will be populated by the Makefile.
+var gitCommit = ""
+
+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()
+	var v []string
+	if version != "" {
+		v = append(v, version)
+	}
+	if gitCommit != "" {
+		v = append(v, fmt.Sprintf("commit: %s", gitCommit))
+	}
+
+	app.Name = "crioctl"
+	app.Usage = "client for crio"
+	app.Version = strings.Join(v, "\n")
+
+	app.Commands = []cli.Command{
+		podSandboxCommand,
+		containerCommand,
+		runtimeVersionCommand,
+		imageCommand,
+		infoCommand,
+	}
+
+	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)
+	}
+}