mirror of https://github.com/containers/podman.git
91 lines
2.4 KiB
Go
91 lines
2.4 KiB
Go
package main
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import (
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"fmt"
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"syscall"
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"github.com/containers/libpod/cmd/podman/libpodruntime"
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"github.com/docker/docker/pkg/signal"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"github.com/urfave/cli"
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)
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var (
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podKillFlags = []cli.Flag{
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cli.BoolFlag{
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Name: "all, a",
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Usage: "Kill all containers in all pods",
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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 containers in the pod",
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Value: "KILL",
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},
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LatestPodFlag,
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}
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podKillDescription = "The main process of each container inside the specified pod will be sent SIGKILL, or any signal specified with option --signal."
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podKillCommand = cli.Command{
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Name: "kill",
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Usage: "Send the specified signal or SIGKILL to containers in pod",
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Description: podKillDescription,
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Flags: sortFlags(podKillFlags),
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Action: podKillCmd,
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ArgsUsage: "[POD_NAME_OR_ID]",
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UseShortOptionHandling: true,
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OnUsageError: usageErrorHandler,
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}
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)
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// podKillCmd kills one or more pods with a signal
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func podKillCmd(c *cli.Context) error {
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if err := checkMutuallyExclusiveFlags(c); err != nil {
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return err
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}
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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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// getPodsFromContext returns an error when a requested pod
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// isn't found. The only fatal error scenerio is when there are no pods
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// in which case the following loop will be skipped.
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pods, lastError := getPodsFromContext(c, runtime)
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for _, pod := range pods {
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ctr_errs, err := pod.Kill(killSignal)
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if ctr_errs != nil {
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for ctr, err := range ctr_errs {
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if lastError != nil {
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logrus.Errorf("%q", lastError)
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}
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lastError = errors.Wrapf(err, "unable to kill container %q in pod %q", ctr, pod.ID())
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}
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continue
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}
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if err != nil {
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if lastError != nil {
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logrus.Errorf("%q", lastError)
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}
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lastError = errors.Wrapf(err, "unable to kill pod %q", pod.ID())
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continue
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}
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fmt.Println(pod.ID())
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}
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return lastError
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}
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