diff options
Diffstat (limited to 'cmd/kpod/wait.go')
-rw-r--r-- | cmd/kpod/wait.go | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/cmd/kpod/wait.go b/cmd/kpod/wait.go new file mode 100644 index 000000000..b166e3306 --- /dev/null +++ b/cmd/kpod/wait.go @@ -0,0 +1,62 @@ +package main + +import ( + "fmt" + "os" + + "github.com/kubernetes-incubator/cri-o/libkpod" + "github.com/pkg/errors" + "github.com/urfave/cli" +) + +var ( + waitDescription = ` + kpod wait + + Block until one or more containers stop and then print their exit codes +` + + waitCommand = cli.Command{ + Name: "wait", + Usage: "Block on one or more containers", + Description: waitDescription, + Action: waitCmd, + ArgsUsage: "CONTAINER-NAME [CONTAINER-NAME ...]", + } +) + +func waitCmd(c *cli.Context) error { + args := c.Args() + if len(args) < 1 { + return errors.Errorf("you must provide at least one container name or id") + } + + config, err := getConfig(c) + if err != nil { + return errors.Wrapf(err, "could not get config") + } + server, err := libkpod.New(config) + if err != nil { + return errors.Wrapf(err, "could not get container server") + } + defer server.Shutdown() + err = server.Update() + if err != nil { + return errors.Wrapf(err, "could not update list of containers") + } + + var lastError error + for _, container := range c.Args() { + returnCode, err := server.ContainerWait(container) + if err != nil { + if lastError != nil { + fmt.Fprintln(os.Stderr, lastError) + } + lastError = errors.Wrapf(err, "failed to wait for the container %v", container) + } else { + fmt.Println(returnCode) + } + } + + return lastError +} |