use systemd instead of SysV init script

support/systemd-maposmatic-render-service-template

@@ -0,0 +1,14 @@
+[Unit]
+Description=Maposmatic render daemon
+After=multi-user.target
+Wants=postgresql.service
+
+[Service]
+Type=idle
+User=maposmatic
+ExecStart=/usr/bin/python /path/to/maposmatic/scripts/wrapper.py scripts/daemon.py
+
+[Install]
+WantedBy=multi-user.target
+
+

www/settings.py

@@ -271,7 +271,7 @@ REFRESH_JOB_WAITING = 30
 REFRESH_JOB_RENDERING = 15
 
 def is_daemon_running():
-    return os.path.exists(MAPOSMATIC_PID_FILE)
+    return 0 == os.system('systemctl is-active maposmatic-render.service')
 
 # Logging
 logconfig.setup_maposmatic_logging(