mirror of
https://github.com/podman-container-tools/podman.git
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c81e29525b
Add the ability to read container ids from one or more files for the kill command. Fixes: #8443 Signed-off-by: baude <bbaude@redhat.com>
109 lines
3.4 KiB
Go
109 lines
3.4 KiB
Go
package containers
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import (
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"context"
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"errors"
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"fmt"
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"github.com/containers/common/pkg/completion"
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"github.com/containers/podman/v2/cmd/podman/common"
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"github.com/containers/podman/v2/cmd/podman/registry"
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"github.com/containers/podman/v2/cmd/podman/utils"
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"github.com/containers/podman/v2/cmd/podman/validate"
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"github.com/containers/podman/v2/pkg/domain/entities"
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"github.com/containers/podman/v2/pkg/signal"
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"github.com/spf13/cobra"
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)
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var (
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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 = &cobra.Command{
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Use: "kill [options] CONTAINER [CONTAINER...]",
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Short: "Kill one or more running containers with a specific signal",
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Long: killDescription,
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RunE: kill,
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Args: func(cmd *cobra.Command, args []string) error {
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return validate.CheckAllLatestAndCIDFile(cmd, args, false, true)
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},
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ValidArgsFunction: common.AutocompleteContainersRunning,
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Example: `podman kill mywebserver
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podman kill 860a4b23
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podman kill --signal TERM ctrID`,
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}
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containerKillCommand = &cobra.Command{
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Args: func(cmd *cobra.Command, args []string) error {
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return validate.CheckAllLatestAndCIDFile(cmd, args, false, true)
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},
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Use: killCommand.Use,
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Short: killCommand.Short,
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Long: killCommand.Long,
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RunE: killCommand.RunE,
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ValidArgsFunction: killCommand.ValidArgsFunction,
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Example: `podman container kill mywebserver
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podman container kill 860a4b23
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podman container kill --signal TERM ctrID`,
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}
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)
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var (
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killOptions = entities.KillOptions{}
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)
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func killFlags(cmd *cobra.Command) {
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flags := cmd.Flags()
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flags.BoolVarP(&killOptions.All, "all", "a", false, "Signal all running containers")
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signalFlagName := "signal"
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flags.StringVarP(&killOptions.Signal, signalFlagName, "s", "KILL", "Signal to send to the container")
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_ = cmd.RegisterFlagCompletionFunc(signalFlagName, common.AutocompleteStopSignal)
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cidfileFlagName := "cidfile"
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flags.StringArrayVar(&killOptions.CIDFiles, cidfileFlagName, []string{}, "Read the container ID from the file")
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_ = cmd.RegisterFlagCompletionFunc(cidfileFlagName, completion.AutocompleteDefault)
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}
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func init() {
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registry.Commands = append(registry.Commands, registry.CliCommand{
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Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
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Command: killCommand,
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})
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killFlags(killCommand)
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validate.AddLatestFlag(killCommand, &killOptions.Latest)
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registry.Commands = append(registry.Commands, registry.CliCommand{
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Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
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Command: containerKillCommand,
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Parent: containerCmd,
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})
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killFlags(containerKillCommand)
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validate.AddLatestFlag(containerKillCommand, &killOptions.Latest)
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}
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func kill(_ *cobra.Command, args []string) error {
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var (
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err error
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errs utils.OutputErrors
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)
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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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sig, err := signal.ParseSignalNameOrNumber(killOptions.Signal)
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if err != nil {
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return err
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}
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if sig < 1 || sig > 64 {
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return errors.New("valid signals are 1 through 64")
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}
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responses, err := registry.ContainerEngine().ContainerKill(context.Background(), args, killOptions)
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if err != nil {
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return err
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}
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for _, r := range responses {
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if r.Err == nil {
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fmt.Println(r.Id)
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} else {
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errs = append(errs, r.Err)
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}
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}
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return errs.PrintErrors()
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}
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