Template the systemd file

files/matrix-synapse.service

@@ -1,16 +0,0 @@
-[Unit]
-Description="Matrix Synapse Server (synapse)"
-
-[Service]
-Type=simple
-WorkingDirectory=/opt/synapse
-ExecStart=/opt/synapse/env/bin/python -m synapse.app.homeserver --config-path=/opt/synapse/homeserver.yaml --log-config=/opt/synapse/log.config
-ExecStop=/opt/synapse/env/bin/synctl stop /opt/synapse/homeserver.yaml
-User=synapse
-Group=synapse
-Restart=always
-StandardOutput=syslog
-SyslogIdentifier=matrix_synapse
-
-[Install]
-WantedBy=default.target

tasks/systemd.yml

@@ -1,7 +1,7 @@
 ---
 - name: Deploy service file
-  copy:
-    src: "matrix-synapse.service"
+  template:
+    src: "matrix-synapse.service.j2"
     dest: "/etc/systemd/system/matrix-synapse.service"
   notify:
     - "reload systemd"

templates/matrix-synapse.service.j2

@@ -0,0 +1,16 @@
+[Unit]
+Description="Matrix Synapse Server (synapse)"
+
+[Service]
+Type=simple
+WorkingDirectory={{ matrix_synapse_base_path }}
+ExecStart={{ matrix_synapse_base_path }}/env/bin/python -m synapse.app.homeserver --config-path={{ matrix_synapse_base_path }}/homeserver.yaml --log-config={{ matrix_synapse_base_path }}/log.config
+ExecStop={{ matrix_synapse_base_path }}/env/bin/synctl stop {{ matrix_synapse_base_path }}/homeserver.yaml
+User=synapse
+Group=synapse
+Restart=always
+StandardOutput=syslog
+SyslogIdentifier=matrix_synapse
+
+[Install]
+WantedBy=default.target