podman-build/cmd/podman/containers/restart.go
2025-10-11 12:30:35 +09:00

140 lines
4.1 KiB
Go

package containers
import (
"context"
"fmt"
"os"
"strings"
"github.com/containers/common/pkg/completion"
"github.com/containers/podman/v5/cmd/podman/common"
"github.com/containers/podman/v5/cmd/podman/registry"
"github.com/containers/podman/v5/cmd/podman/utils"
"github.com/containers/podman/v5/cmd/podman/validate"
"github.com/containers/podman/v5/pkg/domain/entities"
"github.com/spf13/cobra"
)
var (
restartDescription = fmt.Sprintf(`Restarts one or more running containers. The container ID or name can be used.
A timeout before forcibly stopping can be set, but defaults to %d seconds.`, containerConfig.Engine.StopTimeout)
restartCommand = &cobra.Command{
Use: "restart [options] CONTAINER [CONTAINER...]",
Short: "Restart one or more containers",
Long: restartDescription,
RunE: restart,
Args: func(cmd *cobra.Command, args []string) error {
return validate.CheckAllLatestAndIDFile(cmd, args, false, "cidfile")
},
ValidArgsFunction: common.AutocompleteContainers,
Example: `podman restart ctrID
podman restart ctrID1 ctrID2`,
}
containerRestartCommand = &cobra.Command{
Use: restartCommand.Use,
Short: restartCommand.Short,
Long: restartCommand.Long,
RunE: restartCommand.RunE,
Args: restartCommand.Args,
ValidArgsFunction: restartCommand.ValidArgsFunction,
Example: `podman container restart ctrID
podman container restart ctrID1 ctrID2`,
}
)
var (
restartOpts = entities.RestartOptions{
Filters: make(map[string][]string),
}
restartCidFiles = []string{}
restartTimeout int
)
func restartFlags(cmd *cobra.Command) {
flags := cmd.Flags()
flags.BoolVarP(&restartOpts.All, "all", "a", false, "Restart all non-running containers")
flags.BoolVar(&restartOpts.Running, "running", false, "Restart only running containers")
cidfileFlagName := "cidfile"
flags.StringArrayVar(&restartCidFiles, cidfileFlagName, nil, "Read the container ID from the file")
_ = cmd.RegisterFlagCompletionFunc(cidfileFlagName, completion.AutocompleteDefault)
filterFlagName := "filter"
flags.StringArrayVarP(&filters, filterFlagName, "f", []string{}, "Filter output based on conditions given")
_ = cmd.RegisterFlagCompletionFunc(filterFlagName, common.AutocompletePsFilters)
timeFlagName := "time"
flags.IntVarP(&restartTimeout, timeFlagName, "t", int(containerConfig.Engine.StopTimeout), "Seconds to wait for stop before killing the container")
_ = cmd.RegisterFlagCompletionFunc(timeFlagName, completion.AutocompleteNone)
if registry.IsRemote() {
_ = flags.MarkHidden("cidfile")
}
flags.SetNormalizeFunc(utils.AliasFlags)
}
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Command: restartCommand,
})
restartFlags(restartCommand)
validate.AddLatestFlag(restartCommand, &restartOpts.Latest)
registry.Commands = append(registry.Commands, registry.CliCommand{
Command: containerRestartCommand,
Parent: containerCmd,
})
restartFlags(containerRestartCommand)
validate.AddLatestFlag(containerRestartCommand, &restartOpts.Latest)
}
func restart(cmd *cobra.Command, args []string) error {
var (
errs utils.OutputErrors
)
args = utils.RemoveSlash(args)
if cmd.Flag("time").Changed {
timeout := uint(restartTimeout)
restartOpts.Timeout = &timeout
}
for _, cidFile := range restartCidFiles {
content, err := os.ReadFile(cidFile)
if err != nil {
return fmt.Errorf("reading CIDFile: %w", err)
}
id := strings.Split(string(content), "\n")[0]
args = append(args, id)
}
for _, f := range filters {
fname, filter, hasFilter := strings.Cut(f, "=")
if !hasFilter {
return fmt.Errorf("invalid filter %q", f)
}
restartOpts.Filters[fname] = append(restartOpts.Filters[fname], filter)
}
responses, err := registry.ContainerEngine().ContainerRestart(context.Background(), args, restartOpts)
if err != nil {
return err
}
for _, r := range responses {
switch {
case r.Err != nil:
errs = append(errs, r.Err)
case r.RawInput != "":
fmt.Println(r.RawInput)
default:
fmt.Println(r.Id)
}
}
return errs.PrintErrors()
}