update nixos config; update server-dockers config

server-dockers/.gitignore

@@ -0,0 +1,7 @@
+configurations/homepage/bookmarks.yaml
+configurations/homepage/custom.css
+configurations/homepage/custom.js
+configurations/homepage/docker.yaml
+configurations/homepage/kubernetes.yaml
+configurations/homepage/kubernetes.yaml
+

server-dockers/configurations/homepage/services.yaml

@@ -27,10 +27,14 @@
         description: download youtube music & videos
 
 - Altres:
-    - grafana:
+    - raspberry grafana:
         icon: grafana.png
         href: http://192.168.1.155:3000/d/rYdddlPWk/node-exporter-full
-        description: grafana dashboard
+        description: raspberry grafana dashboard
+    - Galdric grafana:
+        icon: grafana.png
+        href: http://192.168.1.156:3000/d/rYdddlPWk/node-exporter-full
+        description: Galdric grafana dashboard
     - Wallabag:
         icon: wallabag.png
         href: http://192.168.1.155:8098
@@ -43,4 +47,4 @@
           type: pihole
           url: http://192.168.1.155
           version: 6 # required if running v6 or higher, defaults to 5
-          key: YOUR_PASSWORD_HERE
+          key: YOUR_PASSWORD_HERE # password

server-dockers/docker-compose.yml

@@ -1,4 +1,5 @@
-version: '3.8'
+#version: '3.8'
+
 #
 # More info: https://arnaucube.com/media-setup/
 #
@@ -9,6 +10,9 @@ version: '3.8'
 # - Replace the `/mnt/usb` to your custom location, usually an external hard
 #   drive.
 #
+# Before running: mount the external hard drive!!
+# > sudo mount /dev/sda /mnt/usb
+#
 # Run:
 # > sudo docker compose up -d
 #
@@ -111,3 +115,50 @@ services:
     volumes:
       - /mnt/usb/configurations/homepage:/app/config
     restart: unless-stopped
+
+  # metrics related:
+  prometheus:
+    image: prom/prometheus:latest
+    container_name: prometheus
+    ports:
+      - "9090:9090"
+    volumes:
+      - ./prometheus.yml:/etc/prometheus/prometheus.yml
+      - prometheus_data:/prometheus
+    networks:
+      - monitoring
+    restart: unless-stopped
+
+  node-exporter:
+    image: prom/node-exporter:latest
+    container_name: node-exporter
+    ports:
+      - "9100:9100"
+    networks:
+      - monitoring
+    restart: unless-stopped
+
+  grafana:
+    image: grafana/grafana:latest
+    container_name: grafana
+    ports:
+      - "3000:3000"
+    environment:
+      - GF_SECURITY_ADMIN_PASSWORD=admin
+    volumes:
+      - grafana_data:/var/lib/grafana
+    networks:
+      - monitoring
+    depends_on:
+      - prometheus
+    restart: unless-stopped
+
+networks:
+  monitoring:
+    driver: bridge
+
+volumes:
+  prometheus_data:
+    driver: local
+  grafana_data:
+    driver: local

server-dockers/prometheus.yml

@@ -0,0 +1,11 @@
+global:
+  scrape_interval: 15s
+  evaluation_interval: 15s
+
+scrape_configs:
+  - job_name: 'prometheus'
+    static_configs:
+      - targets: ['localhost:9090']
+  - job_name: 'node-exporter'
+    static_configs:
+      - targets: ['node-exporter:9100']