Use npm config instead of editing rc files directly.

playbooks/roles/edxapp/defaults/main.yml

@@ -474,6 +474,3 @@ edxapp_cms_variant: cms
 # Worker Settings
 worker_django_settings_module: 'aws'
 
-# NPM rc file
-edxapp_npmrc: "/usr/share/npm/npmrc"
-

playbooks/roles/edxapp/tasks/deploy.yml

@@ -92,10 +92,15 @@
 
 # Set the npm registry
 - name: edxapp | Set the npm registry
-  lineinfile:
-    dest="{{ edxapp_npmrc }}"
-    regexp="registry = \"http://registry.npmjs.org/\""
-    line="registry = \"http://registry.npmjs.org/\""
+  shell:
+    npm config set registry 'http://registry.npmjs.org'
+    creates="{{ edxapp_app_dir }}/.npmrc"
+  sudo_user: "{{ edxapp_user }}"
+  environment: "{{ edxapp_environment }}"
+  notify:
+  - "edxapp | restart edxapp"
+  - "edxapp | restart edxapp_workers"
+  tags: deploy
 
 # Node play that need to be run after platform updates.
 - name: edxapp | Install edx-platform npm dependencies