add version subcommand to csmctl

Signed-off-by: Anurag <anurag.kumar@syself.com>

.goreleaser.yaml

@@ -4,7 +4,10 @@ builds:
   - binary: csctl
     goos:
       - linux
+      - darwin
     goarch:
       - amd64
+      - arm64
     env:
       - CGO_ENABLED=0
+    ldflags: -w -s -X github.com/SovereignCloudStack/csmctl/pkg/cmd.Version={{.Version}} -X github.com/SovereignCloudStack/csmctl/pkg/cmd.Commit={{.Commit}}

Makefile

@@ -20,6 +20,9 @@ ARCH ?= amd64
 IMAGE_PREFIX ?= ghcr.io/sovereigncloudstack
 BUILDER_IMAGE = $(IMAGE_PREFIX)/csctl-builder
 BUILDER_IMAGE_VERSION = $(shell cat .builder-image-version.txt)
+Version := $(shell git describe --tags --always --dirty)
+Commit := $(shell git rev-parse HEAD)
+LDFLAGS := -X github.com/SovereignCloudStack/csmctl/pkg/cmd.Version=$(Version) -X github.com/SovereignCloudStack/csmctl/pkg/cmd.Commit=$(Commit)
 
 # Certain aspects of the build are done in containers for consistency (e.g. protobuf generation)
 # If you have the correct tools installed and you want to speed up development you can run
@@ -39,13 +42,23 @@ TOOLS_BIN_DIR := $(TOOLS_DIR)/$(BIN_DIR)
 export PATH := $(abspath $(TOOLS_BIN_DIR)):$(PATH)
 export GOBIN := $(abspath $(TOOLS_BIN_DIR))
 
+##@ Clean   
+#########
+# Clean #
+#########
+
+.PHONY: clean
+clean: ## cleans the csmctl binary
+	@if [ -f csmctl ]; then rm csmctl; fi
+
+
 ##@ Common
 ##########
 # Common #
 ##########
 .PHONY: build
-build: ## build the csctl binary
-	go build -o csctl main.go
+build: # build the csmctl binary
+	go build -ldflags "$(LDFLAGS)" -o csmctl main.go
 
 .PHONY: lint-golang
 lint-golang: ## Lint Golang codebase

pkg/clusterstack/mode.go

@@ -1,3 +1,19 @@
+/*
+Copyright 2024 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package clusterstack
 
 import (

pkg/cmd/root.go

@@ -42,4 +42,5 @@ func Execute() {
 
 func init() {
 	rootCmd.AddCommand(createCmd)
+	rootCmd.AddCommand(versionCmd)
 }

pkg/cmd/version.go

@@ -0,0 +1,42 @@
+/*
+Copyright 2024 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+var (
+	// Version of csctl.
+	Version = "dev"
+	// Commit against which csctl version is cut.
+	Commit = "unknown"
+)
+
+var versionCmd = &cobra.Command{
+	Use:          "version",
+	Short:        "prints the latest version of csmctl",
+	Run:          printVersion,
+	SilenceUsage: true,
+}
+
+func printVersion(_ *cobra.Command, _ []string) {
+	fmt.Println("csmctl version:", Version)
+	fmt.Println("commit:", Commit)
+}

pkg/template/template.go

@@ -31,7 +31,7 @@ type CustomWalkFunc func(src, dst, path string, info os.FileInfo, meta *csctlclu
 
 // MyWalk is the custom walking function to walk in the cluster stacks.
 func MyWalk(src, dst string, walkFn CustomWalkFunc, meta *csctlclusterstack.MetaData) error {
-	if err := filepath.Walk(src, func(path string, info os.FileInfo, err error) error {
+	if err := filepath.Walk(src, func(path string, info os.FileInfo, _ error) error {
 		return walkFn(src, dst, path, info, meta)
 	}); err != nil {
 		return fmt.Errorf("failed to walk files: %w", err)