fix prometheus node_exporter in docker swarm mode

roles/monitoring/templates/docker-compose.yml.j2

@@ -58,14 +58,17 @@ services:
         max_attempts: 3
         window: 120s
   node_exporter:
-    image: quay.io/prometheus/node-exporter:latest
-    command:
-      - '--path.rootfs=/host'
-    network_mode: host
-    pid: host
+    image: prom/node-exporter:latest
     restart: always
     volumes:
-      - '/:/host:ro,rslave'
+      - /proc:/host/proc:ro
+      - /sys:/host/sys:ro
+      - /:/rootfs:ro
+    command:
+      - '--path.procfs=/host/proc'
+      - '--path.rootfs=/rootfs'
+      - '--path.sysfs=/host/sys'
+      - '--collector.filesystem.mount-points-exclude=^/(sys|proc|dev|host|etc)($$|/)'
     networks:
       {{ monitoring_network }}:
     deploy:

roles/monitoring/templates/prometheus.yml.j2

@@ -22,7 +22,5 @@ scrape_configs:
       - targets: ["localhost:{{prometheus_port}}"]
 
   - job_name: node
-    # If prometheus-node-exporter is installed, grab stats about the local
-    # machine by default.
     static_configs:
-      - targets: ["node-exporter:9100"]
+      - targets: ["node_exporter:9100"]