Add the monitoring stack

monitoring/roles/node-exporter/tasks/main.yaml

@@ -0,0 +1,25 @@
+---
+# Tasks for Node exporter role
+- name: Pull Node exporter image
+  docker_image:
+    name: "{{ node_exporter_image }}"
+    source: pull
+    force_source: yes
+
+- name: Create Node exporter container
+  docker_container:
+    name: "{{ node_exporter_container }}"
+    image: "{{ node_exporter_image }}"
+    state: started
+    restart_policy: "unless-stopped"
+    published_ports:
+      - "127.0.0.1:{{ node_exporter_port }}:9100"
+    volumes:
+      - /proc:/host/proc:ro
+      - /sys:/host/sys:ro
+      - /:/rootfs:ro,rslave
+    command:
+      - '--path.procfs=/host/proc'
+      - '--path.rootfs=/rootfs'
+      - '--path.sysfs=/host/sys'
+      - '--collector.filesystem.mount-points-exclude=^/(sys|proc|dev|host|etc)($$|/)'