ansible: update Node.js from 12.x -> 14.x (#2514)

* ansible: update Node.js from 12.x -> 14.x

Fixes: #2504

* ansible: update cache after adding NodeSource repo

After adding the NodeSource repository for Node.js, set `update_cache`
on the subsequent "Install node" `package` task to run the equivalent
of `apt-get update` to fetch the package metadata from the newly added
repository.

* ansible: remove previous NodeSource repo

Co-authored-by: Richard Lau <[email protected]>

Author: aduh95

ansible/roles/jenkins-workspace/tasks/main.yml

@@ -114,13 +114,19 @@
 
 - name: Add nodesource repo
   apt_repository:
-    repo: deb https://deb.nodesource.com/node_12.x xenial main
+    repo: deb https://deb.nodesource.com/node_14.x xenial main
     state: present
 
+- name: Remove earlier nodesource repos
+  apt_repository:
+    repo: deb https://deb.nodesource.com/node_12.x xenial main
+    state: absent
+
 - name: Install node
   package:
     name: nodejs
     state: present
+    update_cache: yes
 
 - name: Upgrade pip2
   pip: