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

     1  package main
     2  
     3  import (
     4  	"os"
     5  
     6  	"github.com/containers/libpod/cmd/podman/cliconfig"
     7  	"github.com/containers/libpod/pkg/adapter"
     8  	"github.com/opentracing/opentracing-go"
     9  	"github.com/pkg/errors"
    10  	"github.com/sirupsen/logrus"
    11  	"github.com/spf13/cobra"
    12  )
    13  
    14  var (
    15  	runCommand cliconfig.RunValues
    16  
    17  	runDescription = "Runs a command in a new container from the given image"
    18  	_runCommand    = &cobra.Command{
    19  		Use:   "run [flags] IMAGE [COMMAND [ARG...]]",
    20  		Short: "Run a command in a new container",
    21  		Long:  runDescription,
    22  		RunE: func(cmd *cobra.Command, args []string) error {
    23  			runCommand.InputArgs = args
    24  			runCommand.GlobalFlags = MainGlobalOpts
    25  			runCommand.Remote = remoteclient
    26  			return runCmd(&runCommand)
    27  		},
    28  		Example: `podman run imageID ls -alF /etc
    29    podman run --network=host imageID dnf -y install java
    30    podman run --volume /var/hostdir:/var/ctrdir -i -t fedora /bin/bash`,
    31  	}
    32  )
    33  
    34  func init() {
    35  	runCommand.Command = _runCommand
    36  	runCommand.SetHelpTemplate(HelpTemplate())
    37  	runCommand.SetUsageTemplate(UsageTemplate())
    38  	flags := runCommand.Flags()
    39  	flags.SetInterspersed(false)
    40  	flags.SetNormalizeFunc(aliasFlags)
    41  	flags.Bool("sig-proxy", true, "Proxy received signals to the process")
    42  	flags.Bool("rmi", false, "Remove container image unless used by other containers")
    43  	flags.AddFlagSet(getNetFlags())
    44  	getCreateFlags(&runCommand.PodmanCommand)
    45  	markFlagHiddenForRemoteClient("authfile", flags)
    46  }
    47  
    48  func runCmd(c *cliconfig.RunValues) error {
    49  	if !remote && c.Bool("trace") {
    50  		span, _ := opentracing.StartSpanFromContext(Ctx, "runCmd")
    51  		defer span.Finish()
    52  	}
    53  	if c.String("authfile") != "" {
    54  		if _, err := os.Stat(c.String("authfile")); err != nil {
    55  			return errors.Wrapf(err, "error checking authfile path %s", c.String("authfile"))
    56  		}
    57  	}
    58  	if err := createInit(&c.PodmanCommand); err != nil {
    59  		return err
    60  	}
    61  
    62  	runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand)
    63  	if err != nil {
    64  		return errors.Wrapf(err, "error creating libpod runtime")
    65  	}
    66  	defer runtime.DeferredShutdown(false)
    67  
    68  	exitCode, err = runtime.Run(getContext(), c, exitCode)
    69  	if c.Bool("rmi") {
    70  		imageName := c.InputArgs[0]
    71  		if newImage, newImageErr := runtime.NewImageFromLocal(imageName); newImageErr != nil {
    72  			logrus.Errorf("%s", errors.Wrapf(newImageErr, "failed creating image object"))
    73  		} else if _, errImage := runtime.RemoveImage(getContext(), newImage, false); errImage != nil {
    74  			logrus.Errorf("%s", errors.Wrapf(errImage, "failed removing image"))
    75  		}
    76  	}
    77  	return err
    78  }