use edxapp templates and also fetch remote

playbooks/roles/ansible_debug/tasks/main.yml

 ---
 - name: Dump all vars to json
-  action: template src=dumpall.json.j2 dest=/tmp/ansible.all.json
+  template: src=dumpall.json.j2 dest=/tmp/ansible.all.json mode=0600
+  tags:
+  - dumpall
+  - debug
+
+- name: Dump lms auth|env file
+  template: src=../../edxapp/templates/lms.{{item}}.json.j2 dest=/tmp/lms.{{item}}.json mode=0600
+  with_items:
+    - env
+    - auth
+  when: "'lms' in service_variants_enabled"
+  tags:
+  - dumpall
+  - debug
+
+- name: Dump lms-preview auth|env file
+  template: src=../../edxapp/templates/lms-preview.{{item}}.json.j2 dest=/tmp/lms-preview.{{item}}.json mode=0600
+  with_items:
+    - env
+    - auth
+  when: "'lms-preview' in service_variants_enabled"
+  tags:
+  - dumpall
+  - debug
+
+- name: Dump cms auth|env file
+  template: src=../../edxapp/templates/cms.{{item}}.json.j2 dest=/tmp/cms.{{item}}.json mode=0600
+  with_items:
+    - env
+    - auth
+  when: "'cms' in service_variants_enabled"
   tags:
   - dumpall
   - debug
 
 - name: Dump all vars to yaml
-  action: template src=dumpall.yml.j2 dest=/tmp/ansible.all.yml
+  template: src=dumpall.yml.j2 dest=/tmp/ansible.all.yml mode=0600
+  tags:
+  - dumpall
+  - debug
+
+- name: fetch remote files
+  # fetch is fail-safe for remote files that don't exist
+  # setting mode is not an option
+  fetch: src=/tmp/{{item}} dest=/tmp/{{ansible_hostname}}-{{item}} flat=True
+  with_items:
+    - ansible.all.json
+    - ansible.all.yml
+    - lms.env.json
+    - lms.auth.json
+    - lms-preview.env.json
+    - lms-preview.auth.json
+    - cms.env.json
+    - cms.auth.json
   tags:
   - dumpall
-  - debug
\ No newline at end of file
+  - debug