Merge pull request #6 from mother-of-all-self-hosting/prometheus-node-exporter

Prometheus Node Exporter

docs/services/prometheus-node-exporter.md

@@ -0,0 +1,25 @@
+# Prometheus Node Expoter
+
+This playbook can configure [Prometheus Node Exporter](https://github.com/prometheus/node_exporter).
+
+## Configuration
+
+To enable this service, add the following configuration to your `vars.yml` file and re-run the [installation](../installing.md) process:
+
+```yaml
+########################################################################
+#                                                                      #
+# prometheus-node-expoter                                              #
+#                                                                      #
+########################################################################
+
+prometheus_node_exporter_enabled: true
+prometheus_node_exporter_basicauth_user: your_username
+prometheus_node_exporter_basicauth_password: your password
+
+########################################################################
+#                                                                      #
+# /prometheus-node-expoter                                             #
+#                                                                      #
+########################################################################
+```

docs/supported-services.md

@@ -8,6 +8,7 @@
 | [Miniflux](https://miniflux.app/) | Minimalist and opinionated feed reader. | [Link](services/miniflux.md) |
 | [Nextcloud](https://nextcloud.com/) | The most popular self-hosted collaboration solution for tens of millions of users at thousands of organizations across the globe. | [Link](services/nextcloud.md) |
 | [PeerTube](https://joinpeertube.org/) | A tool for sharing online videos | [Link](services/peertube.md) |
+| [Prometheus Node Exporter](https://github.com/prometheus/node_exporter) | Exporter for machine metrics  | [Link](services/prometheus-node-exporter.md) |
 | [Postgres](https://www.postgresql.org) | A powerful, open source object-relational database system | [Link](services/postgres.md) |
 | [Postgres Backup](https://github.com/prodrigestivill/docker-postgres-backup-local) | A solution for backing up PostgresSQL to local filesystem with periodic backups. | [Link](services/postgres-backup.md) |
 | [Radicale](https://radicale.org/) | A Free and Open-Source CalDAV and CardDAV Server (solution for hosting contacts and calendars) | [Link](services/radicale.md) |

group_vars/mash_servers

@@ -12,6 +12,8 @@ devture_systemd_service_manager_services_list_auto: |
     +
     ([{'name': (devture_postgres_identifier + '.service'), 'priority': 500, 'groups': ['mash', 'postgres']}] if devture_postgres_enabled else [])
     +
+    ([{'name': (prometheus_node_exporter_identifier + '.service'), 'priority': 500, 'groups': ['mash', 'metrics', 'prometheus-node-exporter']}] if prometheus_node_exporter_enabled else [])
+    +
     ([{'name': (devture_postgres_backup_identifier + '.service'), 'priority': 5000, 'groups': ['mash', 'backup', 'postgres-backup']}] if devture_postgres_backup_enabled else [])
     +
     ([{'name': (devture_container_socket_proxy_identifier + '.service'), 'priority': 2900, 'groups': ['mash', 'reverse-proxies', 'container-socket-proxy']}] if devture_container_socket_proxy_enabled else [])
@@ -517,6 +519,53 @@ peertube_systemd_required_services_list: |
 ########################################################################
 
 
+########################################################################
+#                                                                      #
+# prometheus_node_exporter                                             #
+#                                                                      #
+########################################################################
+
+prometheus_node_exporter_enabled: false
+
+prometheus_node_exporter_identifier: "{{ mash_playbook_service_identifier_prefix }}prometheus-node-exporter"
+
+prometheus_node_exporter_base_path: "{{ mash_playbook_base_path }}/prometheus-node-exporter"
+
+prometheus_node_exporter_uid: "{{ mash_playbook_uid }}"
+prometheus_node_exporter_gid: "{{ mash_playbook_gid }}"
+
+prometheus_node_exporter_basicauth_enabled: true
+prometheus_node_exporter_basicauth_user: "{{ '%s' | format(mash_playbook_generic_secret_key) | password_hash('sha512', 'node.user', rounds=655555) | to_uuid }}"
+prometheus_node_exporter_basicauth_password: "{{ '%s' | format(mash_playbook_generic_secret_key) | password_hash('sha512', 'node.password', rounds=655555) | to_uuid }}"
+
+prometheus_node_exporter_container_additional_networks: |
+  {{
+    ([mash_playbook_reverse_proxyable_services_additional_network] if mash_playbook_reverse_proxyable_services_additional_network else [])
+  }}
+
+prometheus_node_exporter_container_labels_traefik_enabled: "{{ mash_playbook_traefik_labels_enabled }}"
+prometheus_node_exporter_container_labels_traefik_docker_network: "{{ mash_playbook_reverse_proxyable_services_additional_network }}"
+prometheus_node_exporter_container_labels_traefik_entrypoints: "{{ devture_traefik_entrypoint_primary }}"
+prometheus_node_exporter_container_labels_traefik_tls_certResolver: "{{ devture_traefik_certResolver_primary }}"
+
+prometheus_node_exporter_process_extra_arguments:
+  - "--collector.disable-defaults"
+  - "--collector.cpu"
+  - "--collector.filesystem"
+  - "--collector.meminfo"
+  - "--collector.systemd"
+  - "--collector.uname"
+prometheus_node_exporter_container_extra_arguments:
+  - "--security-opt apparmor=unconfined"
+  - "--mount type=bind,src=/var/run/dbus/system_bus_socket,dst=/var/run/dbus/system_bus_socket,ro,bind-propagation=rslave"
+
+########################################################################
+#                                                                      #
+# /prometheus_node_exporter                                            #
+#                                                                      #
+########################################################################
+
+
 
 ########################################################################
 #                                                                      #

requirements.yml

@@ -54,6 +54,9 @@
 - src: git+https://gitlab.com/etke.cc/roles/redis.git
   version: v7.0.9-0
 
+- src: git+https://gitlab.com/etke.cc/roles/prometheus_node_exporter.git
+  version: v1.5.0-3
+
 - src: git+https://gitlab.com/etke.cc/roles/redmine.git
   version: v5.0.5-0
 

setup.yml

@@ -56,6 +56,8 @@
 
     - role: galaxy/peertube
 
+    - role: galaxy/prometheus_node_exporter
+
     - role: galaxy/radicale
 
     - role: galaxy/redmine