improvement:devops code related to docker clean and email notification

Change-Id: I34bb5cd451ba4459c799c9662cd85e166f580fb4
Signed-off-by: madavi <jm00553988@techmahindra.com>

jenkins/ci-pipelines/ci_stage_1.groovy

@@ -14,6 +14,10 @@
  *   License for the specific language governing permissions and limitations
  *   under the License.
  */
+/* Change log:
+ * 1. Bug 699 : Jayant Madavi : JM00553988@techmahindra.com : 23-july-2019 : Improvement to the code, now using post syntax
+ * 2.
+ */
  
 stage_3_merge_result = ''
 def Get_MDG(project) {
@@ -96,8 +100,8 @@ node("${params.NODE}") {
             // Jayant if the build fails the below error will cause the pipeline to terminate. 
 			// error("${project} build ${build} failed")
         }
-    }
-	stage('Send Email') {
+    } post {
+         always {
 	        if((stage_3_merge_result.getResult() != 'SUCCESS') && (${env.JOB_NAME} == 'daily-stage_4')){
                emailext (
                    subject: "[OSM-Jenkins] Job: ${env.JOB_NAME} Build: ${env.BUILD_NUMBER} Result: ${stage_3_merge_result.getResult()}",
@@ -107,4 +111,15 @@ node("${params.NODE}") {
                 )
             }
 		}
+	     success {
+		    echo 'Post For success'
+                 }
+		 failure {
+		    echo 'Post For failure'
+			}
+		 unstable {
+		    echo 'Post for unstable' 
+		 }
+  }
+	
 }

jenkins/ci-pipelines/ci_stage_3.groovy

@@ -15,6 +15,12 @@
  *   under the License.
  */
  
+/* Change log:
+ * 1. Bug 745 : Jayant Madavi : JM00553988@techmahindra.com : 23-july-2019 : Improvement to the code, typically we have 2 or  
+ *    more branches whose build gets triggered, ex master & release branch, the previous code was removing any/all docker. 
+ *	  Now removing previous docker of the same branch, so that the other branch failed docker should not be removed. It also 
+ *    acts as clean-up for previous docker remove failure.
+ */
 properties([
     parameters([
         string(defaultValue: env.GERRIT_BRANCH, description: '', name: 'GERRIT_BRANCH'),
@@ -230,7 +236,7 @@ node("${params.NODE}") {
                         repo_base_url = "-u ${params.REPOSITORY_BASE}"
                     }
 					if ( params.DO_STAGE_4 ) {
-                        sh "docker stack list |  awk '{ print \$1 }'| xargs docker stack rm"
+                        sh "docker stack list |grep "${container_name_prefix}"|  awk '{ print \$1 }'| xargs docker stack rm"
 					}
                     sh """
                         export PATH=$PATH:/snap/bin
@@ -258,6 +264,9 @@ node("${params.NODE}") {
 
                     if ( ! currentBuild.result.equals('UNSTABLE') ) {
                         stage_archive = keep_artifacts
+                    } else {
+					   error = new Exception("Smoke test failed")
+					   currentBuild.result = 'FAILURE'
 					}
                 }
             }
@@ -270,6 +279,9 @@ node("${params.NODE}") {
 
                     if ( ! currentBuild.result.equals('UNSTABLE') ) {
                         stage_archive = keep_artifacts
+                    } else {
+					   error = new Exception("Systest test failed")
+					   currentBuild.result = 'FAILURE'
 					}
                 }
             }