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authorbaude <bbaude@redhat.com>2017-11-01 13:59:11 -0500
committerbaude <bbaude@redhat.com>2017-11-01 14:19:19 -0500
commit8cf07b2ad1ed8c6646c48a74e9ecbb2bfeecb322 (patch)
tree625fdeaf51ffced387b4ba2e48d93288f3f1b9b2 /cmd/kpod/run.go
parentf5019df3f5da9030ce21e5c8ad3d3921a6585e7f (diff)
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libpod create and run
patched version of the same code that went into crio Signed-off-by: baude <bbaude@redhat.com>
Diffstat (limited to 'cmd/kpod/run.go')
-rw-r--r--cmd/kpod/run.go103
1 files changed, 103 insertions, 0 deletions
diff --git a/cmd/kpod/run.go b/cmd/kpod/run.go
new file mode 100644
index 000000000..bf9375d95
--- /dev/null
+++ b/cmd/kpod/run.go
@@ -0,0 +1,103 @@
+package main
+
+import (
+ "fmt"
+
+ "github.com/projectatomic/libpod/libpod"
+ "github.com/pkg/errors"
+ "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...]]",
+}
+
+func runCmd(c *cli.Context) error {
+ 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)
+
+ if !createImage.HasImageLocal() {
+ // 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)
+
+ 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(c)
+ 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))
+ 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
+}