hermes: add hermes-dashboard systemd unit (port 9119, fronted by Traefik)

ansible/roles/hermes/templates/hermes-dashboard.service.j2

@@ -0,0 +1,24 @@
+[Unit]
+Description=Hermes Dashboard (Web UI)
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+User={{ hermes_user }}
+Group={{ hermes_group }}
+WorkingDirectory={{ hermes_home }}
+Environment="HOME={{ hermes_home }}"
+Environment="PATH={{ hermes_home }}/.local/bin:/usr/local/bin:/usr/bin:/bin"
+Environment="HERMES_HOME={{ hermes_home }}/.hermes"
+ExecStart={{ hermes_home }}/.hermes/hermes-agent/venv/bin/hermes dashboard --host {{ hermes_dashboard_host }} --port {{ hermes_dashboard_port }}{% if hermes_dashboard_insecure %} --insecure{% endif %}
+
+TimeoutStopSec=30
+Restart=on-failure
+RestartSec=10
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=hermes-dashboard
+
+[Install]
+WantedBy=multi-user.target