Add labs

04-mosquitto/lab13/docker-compose-mosquitto.yml

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+version: '3.8'
+
+services:
+  mosquitto:
+    image: eclipse-mosquitto:latest
+    container_name: mosquitto
+    ports:
+      - "1883:1883"
+      - "9001:9001"
+    volumes:
+      - ./mosquitto.conf:/mosquitto/config/mosquitto.conf
+
+  mosquitto-exporter:
+    image: sapcc/mosquitto-exporter:latest
+    container_name: mosquitto-exporter
+    environment:
+      - "BROKER_ENDPOINT=tcp://mosquitto:1883"
+    depends_on:
+      - mosquitto
+
+  node-exporter:
+    image: prom/node-exporter:latest
+    container_name: node-exporter
+    volumes:
+      - /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)($$|/)'
+
+  prometheus:
+    image: prom/prometheus:latest
+    container_name: prometheus
+    volumes:
+      - ./prometheus.yaml:/etc/prometheus/prometheus.yml
+      - prometheus_data:/prometheus
+    ports:
+      - "9090:9090"
+
+  grafana:
+    image: grafana/grafana:latest
+    container_name: grafana
+    ports:
+      - "3000:3000"
+    environment:
+      - GF_SECURITY_ADMIN_USER=admin
+      - GF_SECURITY_ADMIN_PASSWORD=admin
+    volumes:
+      - grafana_data:/var/lib/grafana
+      - ./grafana/provisioning/datasources:/etc/grafana/provisioning/datasources
+      - ./grafana/provisioning/dashboards:/etc/grafana/provisioning/dashboards
+volumes:
+  prometheus_data:
+  grafana_data:

04-mosquitto/lab13/docker-compose.yml

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+version: '3.8'
+
+services:
+
+  mosquitto-exporter:
+    image: sapcc/mosquitto-exporter:latest
+    container_name: mosquitto-exporter
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+    environment:
+      - "BROKER_ENDPOINT=tcp://host.docker.internal:1883"
+
+  node-exporter:
+    image: prom/node-exporter:latest
+    container_name: node-exporter
+    volumes:
+      - /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)($$|/)'
+
+  prometheus:
+    image: prom/prometheus:latest
+    container_name: prometheus
+    volumes:
+      - ./prometheus.yaml:/etc/prometheus/prometheus.yml
+      - prometheus_data:/prometheus
+    ports:
+      - "9090:9090"
+
+  grafana:
+    image: grafana/grafana:latest
+    container_name: grafana
+    ports:
+      - "3000:3000"
+    environment:
+      - GF_SECURITY_ADMIN_USER=admin
+      - GF_SECURITY_ADMIN_PASSWORD=admin
+    volumes:
+      - grafana_data:/var/lib/grafana
+      - ./grafana/provisioning/datasources:/etc/grafana/provisioning/datasources
+      - ./grafana/provisioning/dashboards:/etc/grafana/provisioning/dashboards
+volumes:
+  prometheus_data:
+  grafana_data:

04-mosquitto/lab13/grafana/provisioning/dashboards/dashboards.yml

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+apiVersion: 1
+
+providers:
+  - name: 'Default'
+    orgId: 1
+    folder: ''
+    type: file
+    disableDeletion: false
+    editable: true
+    options:
+      path: /etc/grafana/provisioning/dashboards
+      jsonData:
+        DS_PROMETHEUS: Prometheus
+        DS_LOCALHOST: Prometheus

04-mosquitto/lab13/grafana/provisioning/datasources/datasource.yml

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+apiVersion: 1
+
+datasources:
+  - name: Prometheus
+    type: prometheus
+    access: proxy
+    url: http://prometheus:9090
+    isDefault: true

04-mosquitto/lab13/lab.txt

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+= Monitoring Prometheus
+
+Verwenden Sie Prometheus und Grafana, z.B. aus dem beigefügten docker-compose Setup.
+
+$ docker compose up 
+
+(In docker bereits vorkonfiguriert:)
+Konfigurieren Sie den Prometheus-Exporter als Scrape Target in Prometheus.
+Installieren Sie die Dashboards: 1860, 11054, 22739
+
+scrape_configs:
+  - job_name: 'mosquitto'
+    static_configs:
+      - targets: ['mosquitto-exporter:9234']
+
+
+Rufen Sie Grafana über http://localhost:3000 auf.
+Sie können sich mittels "admin/admin" anmelden.

04-mosquitto/lab13/mosquitto.conf

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+listener 1883
+listener_allow_anonymous true
+
+persistence true
+persistence_location /mosquitto/data/
+#log_dest file /mosquitto/log/mosquitto.log
+
+sys_interval 10

04-mosquitto/lab13/prometheus.yaml

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+global:
+  scrape_interval: 15s
+
+scrape_configs:
+  - job_name: 'mosquitto'
+    static_configs:
+      - targets: ['mosquitto-exporter:9234']
+
+  - job_name: 'node-exporter'
+    static_configs:
+      - targets: ['node-exporter:9100']
+
+  - job_name: prometheus
+    honor_timestamps: true
+    track_timestamps_staleness: false
+    scrape_interval: 15s
+    scrape_timeout: 10s
+    scrape_protocols:
+    - OpenMetricsText1.0.0
+    - OpenMetricsText0.0.1
+    - PrometheusText1.0.0
+    - PrometheusText0.0.4
+    scrape_native_histograms: false
+    always_scrape_classic_histograms: false
+    convert_classic_histograms_to_nhcb: false
+    metrics_path: /metrics
+    scheme: http
+    enable_compression: true
+    metric_name_validation_scheme: utf8
+    metric_name_escaping_scheme: allow-utf-8
+    follow_redirects: true
+    enable_http2: true
+    static_configs:
+    - targets:
+      - localhost:9090
+      labels:
+        app: prometheus