128 lines
3.5 KiB
Go
128 lines
3.5 KiB
Go
package containers
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import (
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"context"
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"fmt"
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"os"
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"strings"
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"github.com/containers/common/pkg/completion"
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"github.com/containers/podman/v5/cmd/podman/common"
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"github.com/containers/podman/v5/cmd/podman/registry"
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"github.com/containers/podman/v5/cmd/podman/utils"
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"github.com/containers/podman/v5/cmd/podman/validate"
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"github.com/containers/podman/v5/pkg/domain/entities"
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"github.com/spf13/cobra"
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)
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var (
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pauseDescription = `Pauses one or more running containers. The container name or ID can be used.`
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pauseCommand = &cobra.Command{
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Use: "pause [options] CONTAINER [CONTAINER...]",
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Short: "Pause all the processes in one or more containers",
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Long: pauseDescription,
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RunE: pause,
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Args: func(cmd *cobra.Command, args []string) error {
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return validate.CheckAllLatestAndIDFile(cmd, args, false, "cidfile")
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},
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ValidArgsFunction: common.AutocompleteContainersRunning,
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Example: `podman pause mywebserver
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podman pause 860a4b23
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podman pause --all`,
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}
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containerPauseCommand = &cobra.Command{
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Use: pauseCommand.Use,
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Short: pauseCommand.Short,
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Long: pauseCommand.Long,
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RunE: pauseCommand.RunE,
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Args: func(cmd *cobra.Command, args []string) error {
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return validate.CheckAllLatestAndIDFile(cmd, args, false, "cidfile")
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},
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ValidArgsFunction: pauseCommand.ValidArgsFunction,
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Example: `podman container pause mywebserver
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podman container pause 860a4b23
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podman container pause --all`,
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}
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)
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var (
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pauseOpts = entities.PauseUnPauseOptions{
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Filters: make(map[string][]string),
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}
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pauseCidFiles = []string{}
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)
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func pauseFlags(cmd *cobra.Command) {
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flags := cmd.Flags()
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flags.BoolVarP(&pauseOpts.All, "all", "a", false, "Pause all running containers")
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cidfileFlagName := "cidfile"
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flags.StringArrayVar(&pauseCidFiles, cidfileFlagName, nil, "Read the container ID from the file")
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_ = cmd.RegisterFlagCompletionFunc(cidfileFlagName, completion.AutocompleteDefault)
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filterFlagName := "filter"
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flags.StringArrayVarP(&filters, filterFlagName, "f", []string{}, "Filter output based on conditions given")
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_ = cmd.RegisterFlagCompletionFunc(filterFlagName, common.AutocompletePsFilters)
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if registry.IsRemote() {
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_ = flags.MarkHidden("cidfile")
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}
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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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Command: pauseCommand,
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})
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pauseFlags(pauseCommand)
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validate.AddLatestFlag(pauseCommand, &pauseOpts.Latest)
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registry.Commands = append(registry.Commands, registry.CliCommand{
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Command: containerPauseCommand,
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Parent: containerCmd,
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})
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pauseFlags(containerPauseCommand)
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validate.AddLatestFlag(containerPauseCommand, &pauseOpts.Latest)
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}
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func pause(cmd *cobra.Command, args []string) error {
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var (
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errs utils.OutputErrors
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)
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args = utils.RemoveSlash(args)
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for _, cidFile := range pauseCidFiles {
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content, err := os.ReadFile(cidFile)
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if err != nil {
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return fmt.Errorf("reading CIDFile: %w", err)
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}
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id := strings.Split(string(content), "\n")[0]
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args = append(args, id)
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}
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for _, f := range filters {
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fname, filter, hasFilter := strings.Cut(f, "=")
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if !hasFilter {
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return fmt.Errorf("invalid filter %q", f)
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}
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pauseOpts.Filters[fname] = append(pauseOpts.Filters[fname], filter)
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}
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responses, err := registry.ContainerEngine().ContainerPause(context.Background(), args, pauseOpts)
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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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switch {
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case r.Err != nil:
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errs = append(errs, r.Err)
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case r.RawInput != "":
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fmt.Println(r.RawInput)
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default:
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fmt.Println(r.Id)
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}
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}
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return errs.PrintErrors()
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}
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