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package main
import (
"fmt"
"github.com/pkg/errors"
"github.com/projectatomic/libpod/libpod"
"github.com/sirupsen/logrus"
"github.com/urfave/cli"
)
var runDescription = "Runs a command in a new container from the given image"
var runCommand = cli.Command{
Name: "run",
Usage: "run a command in a new container",
Description: runDescription,
Flags: createFlags,
Action: runCmd,
ArgsUsage: "IMAGE [COMMAND [ARG...]]",
SkipArgReorder: true,
}
func runCmd(c *cli.Context) error {
var imageName string
if err := validateFlags(c, createFlags); err != nil {
return err
}
runtime, err := getRuntime(c)
if err != nil {
return errors.Wrapf(err, "error creating libpod runtime")
}
createConfig, err := parseCreateOpts(c, runtime)
if err != nil {
return err
}
createImage := runtime.NewImage(createConfig.image)
createImage.LocalName, _ = createImage.GetLocalImageName()
if createImage.LocalName == "" {
// The image wasnt found by the user input'd name or its fqname
// Pull the image
fmt.Printf("Trying to pull %s...", createImage.PullName)
createImage.Pull()
}
runtimeSpec, err := createConfigToOCISpec(createConfig)
if err != nil {
return err
}
defer runtime.Shutdown(false)
logrus.Debug("spec is ", runtimeSpec)
if createImage.LocalName != "" {
imageName = createImage.LocalName
} else {
imageName, err = createImage.GetFQName()
}
if err != nil {
return err
}
logrus.Debug("imageName is ", imageName)
imageID, err := createImage.GetImageID()
if err != nil {
return err
}
logrus.Debug("imageID is ", imageID)
options, err := createConfig.GetContainerCreateOptions()
if err != nil {
return errors.Wrapf(err, "unable to parse new container options")
}
// Gather up the options for NewContainer which consist of With... funcs
options = append(options, libpod.WithRootFSFromImage(imageID, imageName, false))
options = append(options, libpod.WithSELinuxMountLabel(createConfig.mountLabel))
ctr, err := runtime.NewContainer(runtimeSpec, options...)
if err != nil {
return err
}
logrus.Debug("new container created ", ctr.ID())
if err := ctr.Create(); err != nil {
return err
}
logrus.Debug("container storage created for %q", ctr.ID())
if c.String("cidfile") != "" {
libpod.WriteFile(ctr.ID(), c.String("cidfile"))
return nil
}
// Start the container
if err := ctr.Start(); err != nil {
return errors.Wrapf(err, "unable to start container %q", ctr.ID())
}
logrus.Debug("started container ", ctr.ID())
if createConfig.tty {
// Attach to the running container
logrus.Debug("trying to attach to the container %s", ctr.ID())
if err := ctr.Attach(false, c.String("detach-keys")); err != nil {
return errors.Wrapf(err, "unable to attach to container %s", ctr.ID())
}
} else {
fmt.Printf("%s\n", ctr.ID())
}
return nil
}
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