Merge pull request kubernetes-retired#490 from jiaxuanzhou/version

Add version options for kube-batch

Makefile

@@ -1,8 +1,15 @@
 BIN_DIR=_output/bin
 RELEASE_VER=v0.2
+REPO_PATH=github.com/kubernetes-sigs/kube-batch
+GitSHA=`git rev-parse HEAD`
+Date=`date "+%Y-%m-%d %H:%M:%S"`
 
 kube-batch: init
-	go build -o ${BIN_DIR}/kube-batch ./cmd/kube-batch/
+	go build  -ldflags " \
+	-X '${REPO_PATH}/pkg/version.GitSHA=${GitSHA}' \
+	-X '${REPO_PATH}/pkg/version.Built=${Date}'   \
+	-X '${REPO_PATH}/pkg/version.Version=${RELEASE_VER}'" \
+	-o _output/bin/kube-batch ./cmd/kube-batch
 
 verify: generate-code
 	hack/verify-gofmt.sh

pkg/version/version.go

@@ -0,0 +1,52 @@
+/*
+Copyright 2017 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 version
+
+import (
+	"fmt"
+	"os"
+	"runtime"
+)
+
+var (
+	// Version shows the version of kube-batch.
+	Version = "Not provided."
+	// GitSHA shoows the git commit id of kube-batch.
+	GitSHA = "Not provided."
+	// Built shows the built time of the binary.
+	Built = "Not provided."
+)
+
+// PrintVersionAndExit prints versions from the array returned by Info() and exit
+func PrintVersionAndExit(apiVersion string) {
+	for _, i := range Info(apiVersion) {
+		fmt.Printf("%v\n", i)
+	}
+	os.Exit(0)
+}
+
+// Info returns an array of various service versions
+func Info(apiVersion string) []string {
+	return []string{
+		fmt.Sprintf("API Version: %s", apiVersion),
+		fmt.Sprintf("Version: %s", Version),
+		fmt.Sprintf("Git SHA: %s", GitSHA),
+		fmt.Sprintf("Built At: %s", Built),
+		fmt.Sprintf("Go Version: %s", runtime.Version()),
+		fmt.Sprintf("Go OS/Arch: %s/%s", runtime.GOOS, runtime.GOARCH),
+	}
+}