Merge pull request #2514 from holta/lokole_sync

Lokole sync, building on PRs #2507 & #2513

roles/lokole/tasks/install.yml

@@ -72,14 +72,16 @@
     - "{{ lokole_venv }}/lib/python${python_version}/site-packages/opwen_email_client/webapp"
 
 - name: mkdir {{ lokole_run_directory }}
-  file: 
+  file:
     state: directory
     path: "{{ lokole_run_directory }}"
+    #mode: a+x    # Not nec, given above 'state: directory'
 
 - name: Install {{ lokole_run_directory }}/webapp_secrets.sh from template, to configure Lokole
   template:
     src: webapp_secrets.sh.j2
     dest: "{{ lokole_run_directory }}/webapp_secrets.sh"
+    mode: a+x
 
 - name: Install {{ lokole_run_directory }}/webapp.sh from template, to configure Gunicorn
   template:
@@ -96,12 +98,19 @@
   template:
     src: lokole.conf.j2
     dest: "/etc/{{ apache_conf_dir }}/lokole.conf"
+    mode: 0644
   when: apache_install | bool
 
-- name: Install /etc/systemd/system/lokole.service unit file from template
+- name: Install unit files {lokole.service, celery.service, celerybeat.service, lokole_restarter.service} into /etc/systemd/system, from template
   template:
-    src: lokole.service.j2
-    dest: /etc/systemd/system/lokole.service
+    src: "{{ item.src }}"
+    dest: "{{ item.dest}}"
+    mode: 0644
+  with_items:
+    - { src: 'lokole.service.j2', dest: '/etc/systemd/system/lokole.service' }
+    - { src: 'celery.service.j2', dest: '/etc/systemd/system/celery.service' }
+    - { src: 'celerybeat.service.j2', dest: '/etc/systemd/system/celerybeat.service' }
+    - { src: 'lokole_restarter.service.j2', dest: '/etc/systemd/system/lokole_restarter.service' }
 
 
 # RECORD Lokole AS INSTALLED

roles/lokole/tasks/main.yml

@@ -24,20 +24,34 @@
   when: lokole_installed is undefined
 
 
-- name: Enable & Restart 'lokole' systemd service, if lokole_enabled
+- name: Do a 'systemctl daemon-reload' if lokole_enabled
   systemd:
-    name: lokole
     daemon_reload: yes
+  when: lokole_enabled | bool
+
+- name: Enable & Restart {lokole, celery, celerybeat, lokole_restarter} systemd services, if lokole_enabled
+  systemd:
+    name: "{{ item }}"
     enabled: yes
     state: restarted
   when: lokole_enabled | bool
+  with_items:
+    - lokole
+    - celery
+    - celerybeat
+    - lokole_restarter
 
-- name: Disable & Stop 'lokole' systemd service, if not lokole_enabled
+- name: Disable & Stop all 4 (above) systemd services, if not lokole_enabled
   systemd:
-    name: lokole
+    name: "{{ item }}"
     enabled: no
     state: stopped
   when: not lokole_enabled
+  with_items:    # @jvonau prefers reverse starting order, if stopping these 4
+    - lokole_restarter
+    - celerybeat
+    - celery
+    - lokole
 
 #- name: Enable/Disable/Restart Apache if primary
 - name: SHIM FOR NOW SO ALWAYS DO THE...Enable/Disable/Restart Apache

roles/lokole/templates/celery.service.j2

@@ -0,0 +1,14 @@
+[Unit]
+Description=Celery service
+After=network.target
+After=lokole.service
+Before=celerybeat.service
+
+[Service]
+Type=simple
+ExecStart={{ lokole_venv }}/bin/celery --app=opwen_email_client.webapp.tasks worker --loglevel=info --concurrency=2
+ExecReload=/bin/kill -s HUP $MAINPID
+ExecStop=/bin/kill TERM $MAINPID
+
+[Install]
+WantedBy=multi-user.target

roles/lokole/templates/celerybeat.service.j2

@@ -0,0 +1,12 @@
+[Unit]
+Description=Celery beat timed service
+After=network.target
+After=celery.service
+Before=lokole_restarter.service
+
+[Service]
+Type=simple
+ExecStart={{ lokole_venv }}/bin/celery --app=opwen_email_client.webapp.tasks beat --loglevel=info
+
+[Install]
+WantedBy=multi-user.target

roles/lokole/templates/lokole_restarter.service.j2

@@ -0,0 +1,12 @@
+[Unit]
+Description=Lokole webapp restarter
+After=network.target
+After=celerybeat.service
+
+[Service]
+Type=simple
+WorkingDirectory={{ lokole_run_directory }}
+ExecStart={{ lokole_venv }}/bin/manage.py restarter --directory={{ lokole_run_directory }}
+
+[Install]
+WantedBy=multi-user.target