Compressing multi-stack scale job logs

Change-Id: I5b3f638e0c18a3be225e6bfab2a5443592aab197
diff --git a/jjb/pipeline/voltha-scale-multi-stack.groovy b/jjb/pipeline/voltha-scale-multi-stack.groovy
index 6574492..b10224d 100644
--- a/jjb/pipeline/voltha-scale-multi-stack.groovy
+++ b/jjb/pipeline/voltha-scale-multi-stack.groovy
@@ -359,6 +359,14 @@
             done
           fi
         done
+      '''
+      // compressing the logs to save space on Jenkins
+      sh '''
+        cd $LOG_FOLDER
+        tar -czf logs.tar.gz *.log
+        rm *.log
+      '''
+      sh '''
 
         if [ ${withPcap} = true ] && [ ${volthaStacks} -eq 1 ]; then
           # stop ofAgent tcpdump
@@ -543,7 +551,7 @@
         python tests/scale/sizing.py -o $WORKSPACE/plots || true
       fi
       '''
-      archiveArtifacts artifacts: 'kind-voltha/install-*.log,execution-time-*.txt,logs/**/*,RobotLogs/**/*,plots/*,etcd-metrics/*'
+      archiveArtifacts artifacts: 'kind-voltha/install-*.log,execution-time-*.txt,logs/**/*.txt,logs/**/*.tar.gz,RobotLogs/**/*,plots/*,etcd-metrics/*'
     }
   }
 }
diff --git a/jjb/pipeline/voltha/master/voltha-scale-multi-stack.groovy b/jjb/pipeline/voltha/master/voltha-scale-multi-stack.groovy
index 8f70b4e..e3d0710 100644
--- a/jjb/pipeline/voltha/master/voltha-scale-multi-stack.groovy
+++ b/jjb/pipeline/voltha/master/voltha-scale-multi-stack.groovy
@@ -210,6 +210,12 @@
           fi
         done
       '''
+      // compressing the logs to save space on Jenkins
+      sh '''
+      cd $LOG_FOLDER
+      tar -czf logs.tar.gz *.log
+      rm *.log
+      '''
       plot([
         csvFileName: 'scale-test.csv',
         csvSeries: [
@@ -350,7 +356,7 @@
         python tests/scale/sizing.py -o $WORKSPACE/plots || true
       fi
       '''
-      archiveArtifacts artifacts: 'kind-voltha/install-*.log,execution-time-*.txt,logs/**/*,RobotLogs/**/*,plots/*,etcd-metrics/*'
+      archiveArtifacts artifacts: 'kind-voltha/install-*.log,execution-time-*.txt,logs/**/*.txt,logs/**/*.tar.gz,RobotLogs/**/*,plots/*,etcd-metrics/*'
     }
   }
 }