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package main
import (
"fmt"
"os"
"github.com/pkg/errors"
"github.com/projectatomic/libpod/libkpod"
"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
}
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