init

Caddyfile

@@ -0,0 +1,23 @@
+{
+	admin :2019
+
+	servers :80 {
+		name static_site
+		metrics
+	}
+
+	servers :3000 {
+		name grafana
+		metrics
+	}
+}
+
+:80 {
+	root * /path/to/html
+	file_server
+}
+
+:3000 {
+	reverse_proxy grafana:3000
+}
+

README.md

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+# Host visability 
+I would recommend using [this dashboard](https://grafana.com/grafana/dashboards/1860-node-exporter-full/).
+
+Use `docker compose -f node.yml up` on the devices you are monitoring
+
+Use `docker compose up` for the server that's collecting all the logs.
+

compose-node.yml

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+services:
+  # monitor the host
+  node_exporter:
+    image: quay.io/prometheus/node-exporter:latest
+    command:
+      - '--path.rootfs=/host'
+    network_mode: host
+    # uses port 9100
+    pid: host
+    restart: unless-stopped
+    volumes:
+      - '/:/host:ro'

compose-server.yml

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+services:
+  # r-proxy
+  caddy:
+    image: caddy:latest
+    restart: unless-stopped
+    ports:
+      - 80:80
+      - 443:443
+      - '443:443/udp'
+      - 3000:3000
+    volumes:
+      - ./Caddyfile:/etc/caddy/Caddyfile
+
+  # metrics collector
+  prometheus:
+    image: prom/prometheus:latest
+    expose:
+      - 9090
+    volumes:
+      - ./prometheus.yaml:/etc/prometheus/prometheus.yml
+    depends_on:
+      - caddy
+
+  # log viewer
+  grafana:
+    image: grafana/grafana:latest
+    volumes:
+      - ./grafana.yaml:/etc/grafana/provisioning/datasources/datasources.yaml
+    environment:
+      - GF_AUTH_ANONYMOUS_ENABLED=true
+      - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
+      - GF_AUTH_DISABLE_LOGIN_FORM=true
+      - GF_FEATURE_TOGGLES_ENABLE=traceqlEditor
+    depends_on:
+      - prometheus

grafana.yaml

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+apiVersion: 1
+
+datasources:
+- name: Prometheus
+  type: prometheus
+  uid: prometheus
+  access: proxy
+  orgId: 1
+  url: http://prometheus:9090
+  basicAuth: false
+  isDefault: true
+  version: 1
+  editable: false
+  jsonData:
+    httpMethod: GET

prometheus.yaml

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+global:
+  scrape_interval: 15s 
+  query_log_file: /etc/prometheus/query.log
+
+scrape_configs:
+  - job_name: caddy
+    static_configs:
+      - targets: ['caddy:2019']
+  - job_name: node
+    static_configs:
+      # put a list of all the nodes you are monitoring
+      - targets: ['10.0.0.92:9100']
+  - job_name: prometheus
+    static_configs:
+      - targets: ['localhost:9090']