95 lines
2 KiB
Go
95 lines
2 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"net"
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"os"
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"time"
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"github.com/sirupsen/logrus"
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"github.com/urfave/cli"
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"google.golang.org/grpc"
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pb "k8s.io/kubernetes/pkg/kubelet/apis/cri/v1alpha1/runtime"
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)
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func getClientConnection(context *cli.Context) (*grpc.ClientConn, error) {
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conn, err := grpc.Dial(context.GlobalString("connect"), grpc.WithInsecure(), grpc.WithTimeout(context.GlobalDuration("timeout")),
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grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
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return net.DialTimeout("unix", addr, timeout)
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}))
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if err != nil {
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return nil, fmt.Errorf("failed to connect: %v", err)
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}
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return conn, nil
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}
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func openFile(path string) (*os.File, error) {
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f, err := os.Open(path)
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if err != nil {
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if os.IsNotExist(err) {
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return nil, fmt.Errorf("config at %s not found", path)
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}
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return nil, err
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}
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return f, nil
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}
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func loadPodSandboxConfig(path string) (*pb.PodSandboxConfig, error) {
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f, err := openFile(path)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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var config pb.PodSandboxConfig
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if err := json.NewDecoder(f).Decode(&config); err != nil {
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return nil, err
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}
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return &config, nil
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}
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func loadContainerConfig(path string) (*pb.ContainerConfig, error) {
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f, err := openFile(path)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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var config pb.ContainerConfig
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if err := json.NewDecoder(f).Decode(&config); err != nil {
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return nil, err
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}
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return &config, nil
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}
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func main() {
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app := cli.NewApp()
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app.Name = "crioctl"
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app.Usage = "client for crio"
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app.Version = "1.0.0-alpha.0"
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app.Commands = []cli.Command{
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podSandboxCommand,
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containerCommand,
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runtimeVersionCommand,
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imageCommand,
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}
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app.Flags = []cli.Flag{
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cli.StringFlag{
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Name: "connect",
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Value: "/var/run/crio.sock",
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Usage: "Socket to connect to",
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},
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cli.DurationFlag{
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Name: "timeout",
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Value: 10 * time.Second,
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Usage: "Timeout of connecting to server",
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},
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}
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if err := app.Run(os.Args); err != nil {
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logrus.Fatal(err)
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}
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}
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