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package main
import (
"fmt"
"os"
"github.com/pkg/errors"
"github.com/projectatomic/libpod/libpod"
"github.com/urfave/cli"
)
var (
restartFlags = []cli.Flag{
cli.UintFlag{
Name: "timeout, time, t",
Usage: "Seconds to wait for stop before killing the container",
Value: libpod.CtrRemoveTimeout,
},
LatestFlag,
}
restartDescription = `Restarts one or more running containers. The container ID or name can be used. A timeout before forcibly stopping can be set, but defaults to 10 seconds`
restartCommand = cli.Command{
Name: "restart",
Usage: "Restart one or more containers",
Description: restartDescription,
Flags: restartFlags,
Action: restartCmd,
ArgsUsage: "CONTAINER [CONTAINER ...]",
UseShortOptionHandling: true,
}
)
func restartCmd(c *cli.Context) error {
args := c.Args()
if len(args) < 1 && !c.Bool("latest") {
return errors.Wrapf(libpod.ErrInvalidArg, "you must provide at least one container name or ID")
}
if err := validateFlags(c, restartFlags); err != nil {
return err
}
runtime, err := getRuntime(c)
if err != nil {
return errors.Wrapf(err, "error creating libpod runtime")
}
defer runtime.Shutdown(false)
var lastError error
timeout := c.Uint("timeout")
useTimeout := c.IsSet("timeout")
// Handle --latest
if c.Bool("latest") {
lastCtr, err := runtime.GetLatestContainer()
if err != nil {
lastError = errors.Wrapf(err, "unable to get latest container")
} else {
lastError = restartCtr(timeout, useTimeout, lastCtr)
}
}
for _, id := range args {
ctr, err := runtime.LookupContainer(id)
if err != nil {
if lastError != nil {
fmt.Fprintln(os.Stderr, lastError)
}
lastError = errors.Wrapf(err, "unable to find container %s", id)
continue
}
if err := restartCtr(timeout, useTimeout, ctr); err != nil {
if lastError != nil {
fmt.Fprintln(os.Stderr, lastError)
}
lastError = errors.Wrapf(err, "error restarting container %s", ctr.ID())
}
}
return lastError
}
// Restart a single container
func restartCtr(cliTimeout uint, useTimeout bool, ctr *libpod.Container) error {
timeout := ctr.StopTimeout()
if useTimeout {
timeout = cliTimeout
}
state, err := ctr.State()
if err != nil {
return err
}
if state == libpod.ContainerStateRunning {
if err := ctr.StopWithTimeout(timeout); err != nil {
return err
}
}
if err := ctr.Start(); err != nil {
return err
}
fmt.Printf("%s\n", ctr.ID())
return nil
}
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