add run-command command

this command can run user commands inside container.

Signed-off-by: Karel Šimon <ksimon@redhat.com>

cmd/okd/run.go

@@ -34,6 +34,7 @@ type okdRunOptions struct {
 	sshWorkerPort  uint
 	background     bool
 	randomPorts    bool
+	volume         string
 }
 
 var okdRunOpts okdRunOptions
@@ -62,6 +63,7 @@ func NewRunCommand() *cobra.Command {
 	run.Flags().UintVar(&okdRunOpts.sshWorkerPort, "ssh-worker-port", 0, "port on localhost to ssh to worker node")
 	run.Flags().BoolVar(&okdRunOpts.background, "background", false, "go to background after nodes are up")
 	run.Flags().BoolVar(&okdRunOpts.randomPorts, "random-ports", true, "expose all ports on random localhost ports")
+	run.Flags().StringVar(&okdRunOpts.volume, "volume", "", "Bind mount a volume into the container")
 	return run
 }
 
@@ -154,6 +156,7 @@ func run(cmd *cobra.Command, args []string) (err error) {
 		Privileged: &okdRunOpts.privileged,
 		Publish:    &clusterPorts,
 		PublishAll: &okdRunOpts.randomPorts,
+		Volume:     &[]string{okdRunOpts.volume},
 	})
 	if err != nil {
 		return err

cmd/root.go

@@ -34,6 +34,7 @@ func NewRootCommand() *cobra.Command {
 		NewSSHCommand(),
 		NewShowCommand(),
 		NewPruneVolumesCommand(),
+		NewRunCommandCommand(),
 	)
 
 	return root

cmd/run-command.go

@@ -0,0 +1,47 @@
+package cmd
+
+import (
+	"context"
+	"os"
+
+	"github.com/fromanirh/pack8s/internal/pkg/podman"
+	"github.com/spf13/cobra"
+)
+
+type runCommandOptions struct {
+	command string
+}
+
+var runCommandOpt runCommandOptions
+
+// NewRunCommandCommand runs given command inside container
+func NewRunCommandCommand() *cobra.Command {
+	runCMD := &cobra.Command{
+		Use:   "run-command",
+		Short: "run-command runs given command in container",
+		RunE:  runCommand,
+		Args:  cobra.ExactArgs(1),
+	}
+
+	runCMD.Flags().StringVarP(&runCommandOpt.command, "command", "x", "", "command which will be executed in container")
+
+	return runCMD
+}
+
+func runCommand(cmd *cobra.Command, args []string) error {
+	containerID := args[0]
+
+	podmanSocket, err := cmd.Flags().GetString("podman-socket")
+	if err != nil {
+		return err
+	}
+
+	ctx := context.Background()
+
+	hnd, err := podman.NewHandle(ctx, podmanSocket)
+	if err != nil {
+		return err
+	}
+
+	return hnd.Exec(containerID, []string{runCommandOpt.command}, os.Stdout)
+}