feat(Monitoring):Add node exporter to monitoring stack

.env.sample.holesky

@@ -168,6 +168,10 @@ LIDODVEXIT_EXIT_EPOCH=256
 # See available tags https://github.com/prometheus/prometheus/releases.
 #PROMETHEUS_VERSION=
 
+# Node Exporter docker container image version, e.g. `latest` or `v1.9.0`.  
+# See available tags at https://github.com/prometheus/node_exporter/releases.  
+#NODE_EXPORTER_VERSION=
+
 ######### Voluntary Exit Config #########
 
 # This applies to compose-voluntary-exit.yml only

.env.sample.hoodi

@@ -168,6 +168,10 @@ LIDODVEXIT_EXIT_EPOCH=256
 # See available tags https://github.com/prometheus/prometheus/releases.
 #PROMETHEUS_VERSION=
 
+# Node Exporter docker container image version, e.g. `latest` or `v1.9.0`.  
+# See available tags at https://github.com/prometheus/node_exporter/releases.  
+#NODE_EXPORTER_VERSION=
+
 ######### Voluntary Exit Config #########
 
 # This applies to compose-voluntary-exit.yml only

.env.sample.mainnet

@@ -117,6 +117,10 @@ MEVBOOST_RELAYS=https://0xa15b52576bcbf1072f4a011c0f99f9fb6c66f3e1ff321f11f461d1
 # See available tags https://github.com/prometheus/prometheus/releases.
 #PROMETHEUS_VERSION=
 
+# Node Exporter docker container image version, e.g. `latest` or `v1.9.0`.  
+# See available tags at https://github.com/prometheus/node_exporter/releases.  
+#NODE_EXPORTER_VERSION=
+
 ######### Voluntary Exit Config #########
 
 # This applies to compose-voluntary-exit.yml only

docker-compose.yml

@@ -192,6 +192,13 @@ services:
       - ./data/loki:/opt/loki
     restart: unless-stopped
 
+  node-exporter:
+    image: quay.io/prometheus/node-exporter:${NODE_EXPORTER_VERSION:-1.9.0}
+    user: ":"
+    networks: [dvnode]
+    ports:
+      - 9100:9100
+    restart: unless-stopped
   #             _ _     _       _                        _           _
   # __   ____ _| (_) __| | __ _| |_ ___  _ __       ___ (_) ___  ___| |_ ___  _ __
   # \ \ / / _` | | |/ _` |/ _` | __/ _ \| '__|____ / _ \| |/ _ \/ __| __/ _ \| '__|

prometheus/prometheus.yml

@@ -24,6 +24,9 @@ scrape_configs:
   - job_name: "lodestar"
     static_configs:
       - targets: [ "lodestar:5064" ]
+  - job_name: "node-exporter"
+    static_configs:
+      - targets: [ "node-exporter:9100" ]
   - job_name: "validator-ejector"
     static_configs:
       - targets: [ "validator-ejector:8989" ]