L2SS-767: Run the node-exporter on the host to be able to expose more host metrics

docker-compose/prometheus-node-exporter.yml

@@ -15,8 +15,7 @@ services:
       options:
         max-size: "100m"
         max-file: "10"
-    networks:
-      - control
+    network_mode: host # run on the host to be able to access host network statistics
     logging:
       driver: syslog
       options:

docker-compose/prometheus.yml

@@ -23,6 +23,8 @@ services:
         max-file: "10"
     networks:
       - control
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
     volumes:
       - prometheus-data:/prometheus
     ports:

docker-compose/prometheus/prometheus.yml

@@ -13,4 +13,4 @@ scrape_configs:
     scrape_interval: 60s
     static_configs:
       - targets:
-        - "prometheus-node-exporter:9100"
+        - "host.docker.internal:9100"