Grafana

Also includes the dashboards for Synapse and for Node Exporter.

Again has only been tested on debian amd64 so far, but the grafana docker image is available for arm64 and arm32. Nice.

roles/matrix-grafana/templates/dashboards.yaml.j2

@@ -0,0 +1,9 @@
+apiVersion: 1
+
+providers:
+  - name: {{ matrix_domain }} - Dashboards
+    folder: '' # The folder where to place the dashboards
+    type: file
+    allowUiUpdates: true
+    options:
+      path: /etc/grafana/dashboards

roles/matrix-grafana/templates/datasources.yaml.j2

@@ -0,0 +1,8 @@
+apiVersion: 1
+
+datasources:
+  - name: {{ matrix_domain }} - Prometheus
+    type: prometheus
+    # Access mode - proxy (server in the UI) or direct (browser in the UI).
+    access: proxy
+    url: http://matrix-prometheus:9090

roles/matrix-grafana/templates/grafana.ini.j2

@@ -0,0 +1,20 @@
+[security]
+# default admin user, created on startup
+admin_user = {{ matrix_grafana_default_admin_user }}
+
+# default admin password, can be changed before first start of grafana,  or in profile settings
+admin_password = {{ matrix_grafana_default_admin_password }}
+
+[auth.anonymous]
+# enable anonymous access
+enabled = {{ matrix_grafana_anonymous_access }}
+
+# specify organization name that should be used for unauthenticated users
+org_name = {{ matrix_grafana_anonymous_access_org_name }}
+
+[dashboards]
+{% if matrix_synapse_metrics_enabled %}
+default_home_dashboard_path = /etc/grafana/dashboards/synapse.json
+{% else %}
+default_home_dashboard_path = /etc/grafana/dashboards/node-exporter-full.json
+{% endif %}

roles/matrix-grafana/templates/systemd/matrix-grafana.service.j2

@@ -0,0 +1,42 @@
+#jinja2: lstrip_blocks: "True"
+[Unit]
+Description=matrix-grafana
+{% for service in matrix_grafana_systemd_required_services_list %}
+Requires={{ service }}
+After={{ service }}
+{% endfor %}
+{% for service in matrix_grafana_systemd_wanted_services_list %}
+Wants={{ service }}
+{% endfor %}
+DefaultDependencies=no
+
+[Service]
+Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
+ExecStartPre=-{{ matrix_host_command_sh }} -c '{{ matrix_host_command_docker }} kill matrix-grafana 2>/dev/null'
+ExecStartPre=-{{ matrix_host_command_sh }} -c '{{ matrix_host_command_docker }} rm matrix-grafana 2>/dev/null'
+
+
+ExecStart={{ matrix_host_command_docker }} run --rm --name matrix-grafana \
+			--log-driver=none \
+			--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
+			--cap-drop=ALL \
+			--network={{ matrix_docker_network }} \
+			{% if matrix_grafana_container_http_host_bind_port %}
+			-p {{ matrix_grafana_container_http_host_bind_port }}:3000 \
+			{% endif %}
+			-v {{ matrix_grafana_config_path }}:/etc/grafana:z \
+			-v {{ matrix_grafana_data_path }}:/var/lib/grafana:z \
+			{% for arg in matrix_grafana_container_extra_arguments %}
+			{{ arg }} \
+			{% endfor %}
+			{{ matrix_grafana_docker_image }}
+
+ExecStop=-{{ matrix_host_command_sh }} -c '{{ matrix_host_command_docker }} kill matrix-grafana 2>/dev/null'
+ExecStop=-{{ matrix_host_command_sh }} -c '{{ matrix_host_command_docker }} rm matrix-grafana 2>/dev/null'
+Restart=always
+RestartSec=30
+SyslogIdentifier=matrix-grafana
+
+[Install]
+WantedBy=multi-user.target