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

     1  package main
     2  
     3  import (
     4  	"github.com/containers/libpod/cmd/podman/cliconfig"
     5  	"github.com/containers/libpod/cmd/podman/libpodruntime"
     6  	"github.com/pkg/errors"
     7  	"github.com/spf13/cobra"
     8  )
     9  
    10  var (
    11  	renumberCommand     cliconfig.SystemRenumberValues
    12  	renumberDescription = `
    13          podman system renumber
    14  
    15          Migrate lock numbers to handle a change in maximum number of locks.
    16          Mandatory after the number of locks in libpod.conf is changed.
    17  `
    18  
    19  	_renumberCommand = &cobra.Command{
    20  		Use:   "renumber",
    21  		Args:  noSubArgs,
    22  		Short: "Migrate lock numbers",
    23  		Long:  renumberDescription,
    24  		RunE: func(cmd *cobra.Command, args []string) error {
    25  			renumberCommand.InputArgs = args
    26  			renumberCommand.GlobalFlags = MainGlobalOpts
    27  			renumberCommand.Remote = remoteclient
    28  			return renumberCmd(&renumberCommand)
    29  		},
    30  	}
    31  )
    32  
    33  func init() {
    34  	renumberCommand.Command = _renumberCommand
    35  	renumberCommand.SetHelpTemplate(HelpTemplate())
    36  	renumberCommand.SetUsageTemplate(UsageTemplate())
    37  }
    38  
    39  func renumberCmd(c *cliconfig.SystemRenumberValues) error {
    40  	// We need to pass one extra option to NewRuntime.
    41  	// This will inform the OCI runtime to start a renumber.
    42  	// That's controlled by the last argument to GetRuntime.
    43  	r, err := libpodruntime.GetRuntimeRenumber(getContext(), &c.PodmanCommand)
    44  	if err != nil {
    45  		return errors.Wrapf(err, "error renumbering locks")
    46  	}
    47  	_ = r.Shutdown(false)
    48  
    49  	return nil
    50  }