88 lines
2.6 KiB
Go
88 lines
2.6 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/cliconfig"
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"github.com/containers/libpod/pkg/adapter"
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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/sirupsen/logrus"
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"github.com/spf13/cobra"
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)
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var (
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podKillCommand cliconfig.PodKillValues
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podKillDescription = `Signals are sent to the main process of each container inside the specified pod.
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The default signal is SIGKILL, or any signal specified with option --signal.`
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_podKillCommand = &cobra.Command{
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Use: "kill [flags] POD [POD...]",
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Short: "Send the specified signal or SIGKILL to containers in pod",
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Long: podKillDescription,
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RunE: func(cmd *cobra.Command, args []string) error {
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podKillCommand.InputArgs = args
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podKillCommand.GlobalFlags = MainGlobalOpts
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return podKillCmd(&podKillCommand)
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},
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Args: func(cmd *cobra.Command, args []string) error {
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return checkAllAndLatest(cmd, args, false)
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},
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Example: `podman pod kill podID
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podman pod kill --signal TERM mywebserver
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podman pod kill --latest`,
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}
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)
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func init() {
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podKillCommand.Command = _podKillCommand
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podKillCommand.SetHelpTemplate(HelpTemplate())
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podKillCommand.SetUsageTemplate(UsageTemplate())
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flags := podKillCommand.Flags()
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flags.BoolVarP(&podKillCommand.All, "all", "a", false, "Kill all containers in all pods")
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flags.BoolVarP(&podKillCommand.Latest, "latest", "l", false, "Act on the latest pod podman is aware of")
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flags.StringVarP(&podKillCommand.Signal, "signal", "s", "KILL", "Signal to send to the containers in the pod")
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markFlagHiddenForRemoteClient("latest", flags)
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}
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// podKillCmd kills one or more pods with a signal
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func podKillCmd(c *cliconfig.PodKillValues) error {
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rootless.SetSkipStorageSetup(true)
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runtime, err := adapter.GetRuntime(&c.PodmanCommand)
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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.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.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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podKillIds, podKillErrors := runtime.KillPods(getContext(), c, killSignal)
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for _, p := range podKillIds {
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fmt.Println(p)
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}
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if len(podKillErrors) == 0 {
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return nil
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}
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// Grab the last error
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lastError := podKillErrors[len(podKillErrors)-1]
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// Remove the last error from the error slice
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podKillErrors = podKillErrors[:len(podKillErrors)-1]
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for _, err := range podKillErrors {
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logrus.Errorf("%q", err)
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}
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return lastError
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}
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