github.com/containers/libpod@v1.9.4-0.20220419124438-4284fd425507/cmd/podman/unpause.go (about)

     1  package main
     2  
     3  import (
     4  	"github.com/containers/libpod/cmd/podman/cliconfig"
     5  	"github.com/containers/libpod/libpod/define"
     6  	"github.com/containers/libpod/pkg/adapter"
     7  	"github.com/containers/libpod/pkg/rootless"
     8  	"github.com/pkg/errors"
     9  	"github.com/spf13/cobra"
    10  )
    11  
    12  var (
    13  	unpauseCommand cliconfig.UnpauseValues
    14  
    15  	unpauseDescription = `Unpauses one or more previously paused containers.  The container name or ID can be used.`
    16  	_unpauseCommand    = &cobra.Command{
    17  		Use:   "unpause [flags] CONTAINER [CONTAINER...]",
    18  		Short: "Unpause the processes in one or more containers",
    19  		Long:  unpauseDescription,
    20  		RunE: func(cmd *cobra.Command, args []string) error {
    21  			unpauseCommand.InputArgs = args
    22  			unpauseCommand.GlobalFlags = MainGlobalOpts
    23  			unpauseCommand.Remote = remoteclient
    24  			return unpauseCmd(&unpauseCommand)
    25  		},
    26  		Example: `podman unpause ctrID
    27    podman unpause --all`,
    28  	}
    29  )
    30  
    31  func init() {
    32  	unpauseCommand.Command = _unpauseCommand
    33  	unpauseCommand.SetHelpTemplate(HelpTemplate())
    34  	unpauseCommand.SetUsageTemplate(UsageTemplate())
    35  	flags := unpauseCommand.Flags()
    36  	flags.BoolVarP(&unpauseCommand.All, "all", "a", false, "Unpause all paused containers")
    37  }
    38  
    39  func unpauseCmd(c *cliconfig.UnpauseValues) error {
    40  	if rootless.IsRootless() && !remoteclient {
    41  		return errors.New("unpause is not supported for rootless containers")
    42  	}
    43  
    44  	runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand)
    45  	if err != nil {
    46  		return errors.Wrapf(err, "could not get runtime")
    47  	}
    48  	defer runtime.DeferredShutdown(false)
    49  
    50  	args := c.InputArgs
    51  	if len(args) < 1 && !c.All {
    52  		return errors.Errorf("you must provide at least one container name or id")
    53  	}
    54  	ok, failures, err := runtime.UnpauseContainers(getContext(), c)
    55  	if err != nil {
    56  		if errors.Cause(err) == define.ErrNoSuchCtr {
    57  			if len(c.InputArgs) > 1 {
    58  				exitCode = define.ExecErrorCodeGeneric
    59  			} else {
    60  				exitCode = 1
    61  			}
    62  		}
    63  		return err
    64  	}
    65  	if len(failures) > 0 {
    66  		exitCode = define.ExecErrorCodeGeneric
    67  	}
    68  	return printCmdResults(ok, failures)
    69  }