speedtest: enable automatic updates of docker images

roles/speedtest/handlers/main.yml

@@ -3,11 +3,14 @@
 - name: Reload systemd
   systemd: daemon_reload=yes
 
-- name: Restart nginx
-  service: name=nginx state=restarted
-
 - name: Restart speedtest
   service: name=speedtest state=restarted
 
+- name: Restart speedtest-reload
+  service: name=speedtest-reload state=restarted
+
+- name: Restart nginx
+  service: name=nginx state=restarted
+
 - name: Run acertmgr
   command: /usr/bin/acertmgr

roles/speedtest/tasks/main.yml

@@ -43,5 +43,17 @@
   - Reload systemd
   - Restart speedtest
 
+- name: Systemd unit for speedtest-reload
+  template: src=speedtest-reload.{{ item }}.j2 dest=/etc/systemd/system/speedtest-reload.{{ item }}
+  with_items:
+  - "service"
+  - "timer"
+  notify:
+  - Reload systemd
+  - Restart speedtest-reload
+
 - name: Start the speedtest service
   service: name=speedtest state=started enabled=yes
+
+- name: Enable auto update timer
+  service: name=speedtest-reload.timer state=started enabled=yes

roles/speedtest/templates/speedtest-reload.service.j2

@@ -0,0 +1,7 @@
+[Unit]
+Description=Refresh speedtest images
+
+[Service]
+Type=oneshot
+
+ExecStart=/bin/systemctl reload-or-restart speedtest.service

roles/speedtest/templates/speedtest-reload.timer.j2

@@ -0,0 +1,10 @@
+[Unit]
+Description=Refresh speedtest images
+Requires=speedtest.service
+After=speedtest.service
+
+[Timer]
+OnCalendar=*:0/15
+
+[Install]
+WantedBy=timers.target

roles/speedtest/templates/speedtest.service.j2

@@ -17,6 +17,8 @@ WorkingDirectory=/opt/speedtest
 
 # Make sure no old containers are running
 ExecStartPre=/usr/bin/docker-compose down -v
+# Update images
+ExecStartPre=-/usr/bin/docker-compose pull --quiet
 
 # Compose up
 ExecStart=/usr/bin/docker-compose up
@@ -24,5 +26,9 @@ ExecStart=/usr/bin/docker-compose up
 # Compose down, remove containers and volumes
 ExecStop=/usr/bin/docker-compose down -v
 
+# Refresh on reload
+ExecReload=-/usr/bin/docker-compose pull --quiet
+ExecReload=/usr/bin/docker-compose up -d
+
 [Install]
 WantedBy=multi-user.target