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-rw-r--r--cmd/kpod/main.go1
-rw-r--r--cmd/kpod/spec.go4
-rw-r--r--cmd/kpod/start.go125
3 files changed, 128 insertions, 2 deletions
diff --git a/cmd/kpod/main.go b/cmd/kpod/main.go
index 97d942a3c..a4bb12475 100644
--- a/cmd/kpod/main.go
+++ b/cmd/kpod/main.go
@@ -57,6 +57,7 @@ func main() {
rmiCommand,
runCommand,
saveCommand,
+ startCommand,
statsCommand,
stopCommand,
tagCommand,
diff --git a/cmd/kpod/spec.go b/cmd/kpod/spec.go
index b19d4d33a..8d9189a0d 100644
--- a/cmd/kpod/spec.go
+++ b/cmd/kpod/spec.go
@@ -319,8 +319,8 @@ func (c *createConfig) CreateBlockIO() (spec.LinuxBlockIO, error) {
// GetAnnotations returns the all the annotations for the container
func (c *createConfig) GetAnnotations() map[string]string {
a := getDefaultAnnotations()
- // TODO
- // Which annotations do we want added by default
+ // TODO - Which annotations do we want added by default
+ // TODO - This should be added to the DB long term
if c.tty {
a["io.kubernetes.cri-o.TTY"] = "true"
}
diff --git a/cmd/kpod/start.go b/cmd/kpod/start.go
new file mode 100644
index 000000000..7f9918fa2
--- /dev/null
+++ b/cmd/kpod/start.go
@@ -0,0 +1,125 @@
+package main
+
+import (
+ "fmt"
+ "sync"
+
+ "github.com/pkg/errors"
+ "github.com/sirupsen/logrus"
+ "github.com/urfave/cli"
+ "os"
+ "strconv"
+)
+
+var (
+ startFlags = []cli.Flag{
+ cli.BoolFlag{
+ Name: "attach, a",
+ Usage: "Attach container's STDOUT and STDERR",
+ },
+ cli.StringFlag{
+ Name: "detach-keys",
+ Usage: "Override the key sequence for detaching a container. Format is a single character [a-Z] or ctrl-<value> where <value> is one of: a-z, @, ^, [, , or _.",
+ },
+ cli.BoolFlag{
+ Name: "interactive, i",
+ Usage: "Keep STDIN open even if not attached",
+ },
+ }
+ startDescription = `
+ kpod start
+
+ Starts one or more containers. The container name or ID can be used.
+`
+
+ startCommand = cli.Command{
+ Name: "start",
+ Usage: "Start one or more containers",
+ Description: startDescription,
+ Flags: startFlags,
+ Action: startCmd,
+ ArgsUsage: "CONTAINER-NAME [CONTAINER-NAME ...]",
+ }
+)
+
+func startCmd(c *cli.Context) error {
+ args := c.Args()
+ if len(args) < 1 {
+ return errors.Errorf("you must provide at least one container name or id")
+ }
+
+ attach := c.Bool("attach")
+
+ if len(args) > 1 && attach {
+ return errors.Errorf("you cannot start and attach multiple containers at once")
+ }
+
+ if err := validateFlags(c, startFlags); err != nil {
+ return err
+ }
+
+ runtime, err := getRuntime(c)
+ if err != nil {
+ return errors.Wrapf(err, "error creating libpod runtime")
+ }
+ defer runtime.Shutdown(false)
+
+ var lastError error
+ for _, container := range args {
+ // Create a bool channel to track that the console socket attach
+ // is successful.
+ attached := make(chan bool)
+ // Create a waitgroup so we can sync and wait for all goroutines
+ // to finish before exiting main
+ var wg sync.WaitGroup
+
+ ctr, err := runtime.LookupContainer(container)
+ if err != nil {
+ if lastError != nil {
+ fmt.Fprintln(os.Stderr, lastError)
+ }
+ lastError = errors.Wrapf(err, "unable to find container %s", container)
+ continue
+ }
+
+ // We can only be interactive if both the config and the command-line say so
+ if c.Bool("interactive") && !ctr.Config().Stdin {
+ return errors.Errorf("the container was not created with the interactive option")
+ }
+ noStdIn := c.Bool("interactive")
+ tty, err := strconv.ParseBool(ctr.Spec().Annotations["io.kubernetes.cri-o.TTY"])
+ if err != nil {
+ return errors.Wrapf(err, "unable to parse annotations in %s", ctr.ID())
+ }
+ // We only get a terminal session if both a tty was specified in the spec and
+ // -a on the command-line was given.
+ if attach && tty {
+ // We increment the wg counter because we need to do the attach
+ wg.Add(1)
+ // Attach to the running container
+ go func() {
+ logrus.Debug("trying to attach to the container %s", ctr.ID())
+ defer wg.Done()
+ if err := ctr.Attach(noStdIn, c.String("detach-keys"), attached); err != nil {
+ logrus.Errorf("unable to attach to container %s: %q", ctr.ID(), err)
+ }
+ }()
+ if !<-attached {
+ return errors.Errorf("unable to attach to container %s", ctr.ID())
+ }
+ }
+ err = ctr.Start()
+ if err != nil {
+ if lastError != nil {
+ fmt.Fprintln(os.Stderr, lastError)
+ }
+ lastError = errors.Wrapf(err, "unable to start %s", container)
+ continue
+ }
+ if !attach {
+ fmt.Println(ctr.ID())
+ }
+ wg.Wait()
+ }
+ return lastError
+}