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package main
import (
"fmt"
"reflect"
"github.com/containers/libpod/pkg/adapter"
"github.com/opentracing/opentracing-go"
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/pkg/rootless"
"github.com/docker/docker/pkg/signal"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var (
killCommand cliconfig.KillValues
killDescription = "The main process inside each container specified will be sent SIGKILL, or any signal specified with option --signal."
_killCommand = &cobra.Command{
Use: "kill [flags] CONTAINER [CONTAINER...]",
Short: "Kill one or more running containers with a specific signal",
Long: killDescription,
RunE: func(cmd *cobra.Command, args []string) error {
killCommand.InputArgs = args
killCommand.GlobalFlags = MainGlobalOpts
return killCmd(&killCommand)
},
Args: func(cmd *cobra.Command, args []string) error {
return checkAllAndLatest(cmd, args, false)
},
Example: `podman kill mywebserver
podman kill 860a4b23
podman kill --signal TERM ctrID`,
}
)
func init() {
killCommand.Command = _killCommand
killCommand.SetHelpTemplate(HelpTemplate())
killCommand.SetUsageTemplate(UsageTemplate())
flags := killCommand.Flags()
flags.BoolVarP(&killCommand.All, "all", "a", false, "Signal all running containers")
flags.StringVarP(&killCommand.Signal, "signal", "s", "KILL", "Signal to send to the container")
flags.BoolVarP(&killCommand.Latest, "latest", "l", false, "Act on the latest container podman is aware of")
markFlagHiddenForRemoteClient("latest", flags)
}
// killCmd kills one or more containers with a signal
func killCmd(c *cliconfig.KillValues) error {
if c.Bool("trace") {
span, _ := opentracing.StartSpanFromContext(Ctx, "killCmd")
defer span.Finish()
}
// Check if the signalString provided by the user is valid
// Invalid signals will return err
killSignal, err := signal.ParseSignal(c.Signal)
if err != nil {
return err
}
rootless.SetSkipStorageSetup(true)
runtime, err := adapter.GetRuntime(&c.PodmanCommand)
if err != nil {
return errors.Wrapf(err, "could not get runtime")
}
defer runtime.Shutdown(false)
ok, failures, err := runtime.KillContainers(getContext(), c, killSignal)
if err != nil {
return err
}
for _, id := range ok {
fmt.Println(id)
}
if len(failures) > 0 {
keys := reflect.ValueOf(failures).MapKeys()
lastKey := keys[len(keys)-1].String()
lastErr := failures[lastKey]
delete(failures, lastKey)
for _, err := range failures {
outputError(err)
}
return lastErr
}
return nil
}
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