cri-o/cmd/kpod/unpause.go
Daniel J Walsh 9db7cf1370 Add kpod pause and kpod unpause
Implement the ability to pause and unpause running containers.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>
2017-09-26 08:38:07 -04:00

58 lines
1.3 KiB
Go

package main
import (
"fmt"
"github.com/kubernetes-incubator/cri-o/libkpod"
"github.com/pkg/errors"
"github.com/urfave/cli"
"os"
)
var (
unpauseDescription = `
kpod unpause
Unpauses one or more running containers. The container name or ID can be used.
`
unpauseCommand = cli.Command{
Name: "unpause",
Usage: "Unpause the processes in one or more containers",
Description: unpauseDescription,
Action: unpauseCmd,
ArgsUsage: "CONTAINER-NAME [CONTAINER-NAME ...]",
}
)
func unpauseCmd(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()
if err := server.Update(); err != nil {
return errors.Wrapf(err, "could not update list of containers")
}
var lastError error
for _, container := range c.Args() {
cid, err := server.ContainerUnpause(container)
if err != nil {
if lastError != nil {
fmt.Fprintln(os.Stderr, lastError)
}
lastError = errors.Wrapf(err, "failed to unpause container %v", container)
} else {
fmt.Println(cid)
}
}
return lastError
}