update dcae job buildnode to ubuntu1804

Change-Id: Iaec963641f65eb71e3798dc69b26bf96376083dd
Signed-off-by: Vijay Venkatesh Kumar <vv770d@att.com>
Issue-ID: DCAEGEN2-1891
diff --git a/jjb/dcaegen2/dcaegen2-collectors-datafile.yaml b/jjb/dcaegen2/dcaegen2-collectors-datafile.yaml
index 733f9c4..3231fae 100644
--- a/jjb/dcaegen2/dcaegen2-collectors-datafile.yaml
+++ b/jjb/dcaegen2/dcaegen2-collectors-datafile.yaml
@@ -13,7 +13,7 @@
     maven-deploy-properties: |
       deployAtEnd=true
     archive-artifacts: ''
-    build-node: ubuntu1604-docker-8c-8g
+    build-node: ubuntu1804-docker-8c-8g
     jobs:
       - gerrit-maven-stage:
           sign-artifacts: true
@@ -22,7 +22,7 @@
       - '{project-name}-gerrit-release-jobs':
           build-node: centos7-docker-8c-8g
       - gerrit-maven-docker-stage:
-          build-node: ubuntu1604-docker-8c-8g
+          build-node: ubuntu1804-docker-8c-8g
           container-public-registry: 'nexus3.onap.org:10001'
           container-staging-registry: 'nexus3.onap.org:10003'
           mvn-goals: 'clean package docker:build -DpushImageTag'
@@ -41,7 +41,7 @@
     sonarcloud-project-key: '{sonarcloud_project_organization}_{project-name}'
     sonar-mvn-goal: '{sonar_mvn_goal}'
     cron: '@daily'
-    build-node: ubuntu1604-docker-8c-8g
+    build-node: ubuntu1804-docker-8c-8g
     project: 'dcaegen2/collectors/datafile'
     project-name: 'dcaegen2-collectors-datafile'
     branch: 'master'
@@ -55,7 +55,7 @@
       - gerrit-maven-clm
     nexus-iq-namespace: 'onap-'
     project: dcaegen2/collectors/datafile
-    build-node: ubuntu1604-docker-8c-8g
+    build-node: ubuntu1804-docker-8c-8g
     project-name: 'dcaegen2-collectors-datafile'
     branch: 'master'
     mvn-settings: 'dcaegen2-collectors-datafile-settings'