Merge pull request #3204 from edx/renzo/pin-node

Pin installed version of node to the latest LTS

playbooks/roles/programs/defaults/main.yml

@@ -161,6 +161,7 @@ programs_user: "{{ programs_service_name }}"
 programs_home: "{{ COMMON_APP_DIR }}/{{ programs_service_name }}"
 programs_code_dir: "{{ programs_home }}/{{ programs_service_name }}"
 
+programs_node_version: "4.4.7"
 programs_nodeenv_dir: "{{ programs_home }}/nodeenvs/{{ programs_service_name }}"
 programs_nodeenv_bin: "{{ programs_nodeenv_dir }}/bin"
 programs_node_modules_dir: "{{ programs_code_dir }}/node_modules"

playbooks/roles/programs/tasks/main.yml

@@ -39,7 +39,7 @@
 - name: create nodeenv
   shell: >
     creates={{ programs_nodeenv_dir }}
-    {{ programs_venv_dir }}/bin/nodeenv {{ programs_nodeenv_dir }} --prebuilt
+    {{ programs_venv_dir }}/bin/nodeenv {{ programs_nodeenv_dir }} --node={{ programs_node_version }} --prebuilt
   become_user: "{{ programs_user }}"
 
 - name: install node dependencies