feat(backport v1.7.x): add version subcommand

cmd/local/longhornctl-local.go

@@ -61,6 +61,12 @@ func newCmdLonghornctlLocal() *cobra.Command {
 				localsubcmd.NewCmdGet(globalOpts),
 			},
 		},
+		{
+			Message: "Other Commands:",
+			Commands: []*cobra.Command{
+				localsubcmd.NewCmdVersion(),
+			},
+		},
 	}
 	groups.Add(cmd)
 

cmd/local/subcmd/check.go

@@ -1,4 +1,4 @@
-package cmd
+package subcmd
 
 import (
 	"os"

cmd/local/subcmd/get.go

@@ -1,4 +1,4 @@
-package cmd
+package subcmd
 
 import (
 	"os"

cmd/local/subcmd/install.go

@@ -1,4 +1,4 @@
-package cmd
+package subcmd
 
 import (
 	"fmt"

cmd/local/subcmd/trim.go

@@ -1,4 +1,4 @@
-package cmd
+package subcmd
 
 import (
 	"os"

cmd/local/subcmd/version.go

@@ -0,0 +1,23 @@
+package subcmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+
+	"github.com/longhorn/cli/meta"
+	"github.com/longhorn/cli/pkg/consts"
+)
+
+func NewCmdVersion() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   consts.SubCmdVersion,
+		Short: fmt.Sprintf("Print %s version", consts.CmdLonghornctlLocal),
+
+		Run: func(cmd *cobra.Command, args []string) {
+			fmt.Println(meta.Version)
+		},
+	}
+
+	return cmd
+}

cmd/remote/longhornctl.go

@@ -63,6 +63,12 @@ func newCmdLonghornctl() *cobra.Command {
 				subcmd.NewCmdGet(globalOpts),
 			},
 		},
+		{
+			Message: "Other Commands:",
+			Commands: []*cobra.Command{
+				subcmd.NewCmdVersion(globalOpts),
+			},
+		},
 	}
 	groups.Add(cmd)
 

cmd/remote/subcmd/version.go

@@ -0,0 +1,24 @@
+package subcmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+
+	"github.com/longhorn/cli/meta"
+	"github.com/longhorn/cli/pkg/consts"
+	"github.com/longhorn/cli/pkg/types"
+)
+
+func NewCmdVersion(globalOpts *types.GlobalCmdOptions) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   consts.SubCmdVersion,
+		Short: fmt.Sprintf("Print %s version", consts.CmdLonghornctlRemote),
+
+		Run: func(cmd *cobra.Command, args []string) {
+			fmt.Println(meta.Version)
+		},
+	}
+
+	return cmd
+}

pkg/consts/cmd.go

@@ -21,6 +21,9 @@ const (
 
 	// The third layer of subcommands (action to the previous layers)
 	SubCmdStop = "stop"
+
+	// Other subcommands
+	SubCmdVersion = "version"
 )
 
 const (