Add basic versioning into main golang file (#151)

* Add basic versioning into main golang file

* Add versioning set test

* address Arthur's comments

cmd/runmqserver/main.go

@@ -75,6 +75,9 @@ func doMain() error {
 		return err
 	}
 
+	// Print out versioning information
+	logVersionInfo()
+
 	err = postInit(name)
 	if err != nil {
 		logTermination(err)

cmd/runmqserver/version.go

@@ -0,0 +1,68 @@
+/*
+© Copyright IBM Corporation 2018
+
+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 main
+
+import (
+	"strings"
+
+	"github.com/ibm-messaging/mq-container/internal/command"
+)
+
+var (
+	ImageCreated  = "Not specified"
+	ImageRevision = "Not specified"
+	ImageSource   = "Not specified"
+)
+
+func logDateStamp() {
+	log.Printf("Image created: %v", ImageCreated)
+}
+
+func logGitRepo() {
+	log.Printf("Image revision: %v", ImageRevision)
+}
+
+func logGitCommit() {
+	log.Printf("Image source: %v", ImageSource)
+}
+
+func logMQVersion() {
+	mqVersion, _, err := command.Run("dspmqver", "-b", "-f", "2")
+	if err != nil {
+		log.Printf("Error Getting MQ version: %v", strings.TrimSuffix(string(mqVersion), "\n"))
+	}
+
+	mqBuild, _, err := command.Run("dspmqver", "-b", "-f", "4")
+	if err != nil {
+		log.Printf("Error Getting MQ build: %v", strings.TrimSuffix(string(mqBuild), "\n"))
+	}
+	mqLicense, _, err := command.Run("dspmqver", "-b", "-f", "8192")
+	if err != nil {
+		log.Printf("Error Getting MQ license: %v", strings.TrimSuffix(string(mqLicense), "\n"))
+	}
+
+	log.Printf("MQ version: %v", strings.TrimSuffix(mqVersion, "\n"))
+	log.Printf("MQ level: %v", strings.TrimSuffix(mqBuild, "\n"))
+	log.Printf("MQ license: %v", strings.TrimSuffix(mqLicense, "\n"))
+}
+
+func logVersionInfo() {
+	logDateStamp()
+	logGitRepo()
+	logGitCommit()
+	logMQVersion()
+}