/
pause.go
92 lines (82 loc) · 2.63 KB
/
pause.go
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package containers
import (
"context"
"fmt"
"github.com/containers/podman/v2/cmd/podman/common"
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/cmd/podman/utils"
"github.com/containers/podman/v2/pkg/cgroups"
"github.com/containers/podman/v2/pkg/domain/entities"
"github.com/containers/podman/v2/pkg/rootless"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
)
var (
pauseDescription = `Pauses one or more running containers. The container name or ID can be used.`
pauseCommand = &cobra.Command{
Use: "pause [options] CONTAINER [CONTAINER...]",
Short: "Pause all the processes in one or more containers",
Long: pauseDescription,
RunE: pause,
ValidArgsFunction: common.AutocompleteContainersRunning,
Example: `podman pause mywebserver
podman pause 860a4b23
podman pause -a`,
}
containerPauseCommand = &cobra.Command{
Use: pauseCommand.Use,
Short: pauseCommand.Short,
Long: pauseCommand.Long,
RunE: pauseCommand.RunE,
ValidArgsFunction: pauseCommand.ValidArgsFunction,
Example: `podman container pause mywebserver
podman container pause 860a4b23
podman container pause -a`,
}
pauseOpts = entities.PauseUnPauseOptions{}
)
func pauseFlags(flags *pflag.FlagSet) {
flags.BoolVarP(&pauseOpts.All, "all", "a", false, "Pause all running containers")
}
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: pauseCommand,
})
flags := pauseCommand.Flags()
pauseFlags(flags)
registry.Commands = append(registry.Commands, registry.CliCommand{
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: containerPauseCommand,
Parent: containerCmd,
})
containerPauseFlags := containerPauseCommand.Flags()
pauseFlags(containerPauseFlags)
}
func pause(cmd *cobra.Command, args []string) error {
var (
errs utils.OutputErrors
)
if rootless.IsRootless() && !registry.IsRemote() {
cgroupv2, _ := cgroups.IsCgroup2UnifiedMode()
if !cgroupv2 {
return errors.New("pause is not supported for cgroupv1 rootless containers")
}
}
if len(args) < 1 && !pauseOpts.All {
return errors.Errorf("you must provide at least one container name or id")
}
responses, err := registry.ContainerEngine().ContainerPause(context.Background(), args, pauseOpts)
if err != nil {
return err
}
for _, r := range responses {
if r.Err == nil {
fmt.Println(r.Id)
} else {
errs = append(errs, r.Err)
}
}
return errs.PrintErrors()
}