endpoints/endpoints

# Generate nginx config files rolling back if any part of the config is invalid.

- name: ensure nginx config files exist
  shell: touch {{item.directory}}{{item.file}}
  args:
    creates: "{{item.directory}}{{item.file}}"
  with_items: confs + shared

- name: backup existing nginx config files
  shell: cp {{item.file}} {{item.file}}.backup
  args:
    chdir: "{{item.directory}}"
  with_items: confs + shared

- name: generate new nginx config files
  template: src={{item.file}} dest={{item.directory}} backup=no
  register: nginx_conf
  with_items: confs + shared
  notify: restart nginx

- name: ensure nginx config is valid
  shell: nginx -t
  ignore_errors: yes
  register: nginx_test_valid
  changed_when: false
  when: nginx_conf|changed

- name: remove temporary backups if new nginx config files are valid
  file: path={{item.directory}}{{item.file}}.backup state=absent
  with_items: confs + shared
  when: nginx_test_valid|success

- name: restore temporary backups if new nginx config files are invalid
  shell: mv {{item.file}}.backup {{item.file}}
  args:
    chdir: "{{item.directory}}"
  with_items: confs
  when: nginx_test_valid|failed

- fail: msg="nginx config is invalid"
  when: nginx_test_valid|failed