mirror of https://github.com/containers/podman.git
84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
package main
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import (
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"os"
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"syscall"
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"fmt"
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"github.com/containers/libpod/cmd/podman/libpodruntime"
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"github.com/containers/libpod/libpod"
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"github.com/containers/libpod/pkg/rootless"
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"github.com/docker/docker/pkg/signal"
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"github.com/pkg/errors"
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"github.com/urfave/cli"
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)
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var (
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killFlags = []cli.Flag{
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cli.BoolFlag{
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Name: "all, a",
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Usage: "Signal all running containers",
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},
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cli.StringFlag{
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Name: "signal, s",
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Usage: "Signal to send to the container",
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Value: "KILL",
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},
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LatestFlag,
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}
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killDescription = "The main process inside each container specified will be sent SIGKILL, or any signal specified with option --signal."
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killCommand = cli.Command{
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Name: "kill",
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Usage: "Kill one or more running containers with a specific signal",
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Description: killDescription,
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Flags: sortFlags(killFlags),
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Action: killCmd,
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ArgsUsage: "CONTAINER-NAME [CONTAINER-NAME ...]",
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UseShortOptionHandling: true,
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OnUsageError: usageErrorHandler,
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}
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)
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// killCmd kills one or more containers with a signal
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func killCmd(c *cli.Context) error {
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if err := checkAllAndLatest(c); err != nil {
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return err
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}
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if err := validateFlags(c, killFlags); err != nil {
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return err
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}
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rootless.SetSkipStorageSetup(true)
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runtime, err := libpodruntime.GetRuntime(c)
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if err != nil {
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return errors.Wrapf(err, "could not get runtime")
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}
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defer runtime.Shutdown(false)
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var killSignal uint = uint(syscall.SIGTERM)
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if c.String("signal") != "" {
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// Check if the signalString provided by the user is valid
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// Invalid signals will return err
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sysSignal, err := signal.ParseSignal(c.String("signal"))
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if err != nil {
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return err
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}
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killSignal = uint(sysSignal)
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}
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containers, lastError := getAllOrLatestContainers(c, runtime, libpod.ContainerStateRunning, "running")
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for _, ctr := range containers {
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if err := ctr.Kill(killSignal); err != nil {
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if lastError != nil {
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fmt.Fprintln(os.Stderr, lastError)
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}
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lastError = errors.Wrapf(err, "unable to find container %v", ctr.ID())
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} else {
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fmt.Println(ctr.ID())
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}
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}
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return lastError
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}
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