Merge pull request #27 from ikochuev/lesson29

Lesson 29 submission: Monitoring stack for Reddit app

Author: ikochuev

lesson29/blackbox.yml

@@ -0,0 +1,18 @@
+modules:
+  http_2xx:
+    prober: http
+    timeout: 10s
+    http:
+      valid_status_codes: [200, 302, 301]
+      method: GET
+      no_follow_redirects: false
+      fail_if_ssl: false
+      fail_if_not_ssl: false
+      preferred_ip_protocol: "ip4"
+      tls_config:
+        insecure_skip_verify: false
+  icmp:
+    prober: icmp
+    timeout: 5s
+    icmp:
+      preferred_ip_protocol: "ip4"

lesson29/docker-compose.yml

@@ -0,0 +1,141 @@
+version: '3.3'
+
+networks:
+  monitoring:
+    driver: bridge
+
+volumes:
+  post_db:
+  prometheus_data:
+  grafana_data:
+
+services:
+  # Reddit App
+  post_db:
+    image: mongo:3.2
+    container_name: post_db
+    volumes:
+      - post_db:/data/db
+    networks:
+      - monitoring
+
+  ui:
+    image: ${REGISTRY}/ui:${TAG}
+    pull_policy: always
+    container_name: ui
+    environment:
+      - POST_SERVICE_HOST=post
+      - POST_SERVICE_PORT=5000
+      - COMMENT_SERVICE_HOST=comment
+      - COMMENT_SERVICE_PORT=9292
+    ports:
+      - 9292:9292
+    depends_on:
+      - comment
+      - post
+    networks:
+      - monitoring
+
+  comment:
+    image: ${REGISTRY}/comment:${TAG}
+    pull_policy: always
+    container_name: comment
+    environment:
+      - COMMENT_DATABASE_HOST=post_db
+      - COMMENT_DATABASE=comments
+    depends_on:
+      - post_db
+    networks:
+      - monitoring
+
+  post:
+    image: ${REGISTRY}/post:${TAG}
+    pull_policy: always
+    container_name: post
+    environment:
+      - POST_DATABASE_HOST=post_db
+      - POST_DATABASE=posts
+    depends_on:
+      - post_db
+    ports:
+      - 5000:5000
+    networks:
+      - monitoring
+
+  # Monitoring Stack
+  prometheus:
+    image: prom/prometheus:v2.45.0
+    container_name: prometheus
+    command:
+      - '--config.file=/etc/prometheus/prometheus.yml'
+      - '--storage.tsdb.path=/prometheus'
+      - '--web.console.libraries=/etc/prometheus/console_libraries'
+      - '--web.console.templates=/etc/prometheus/consoles'
+      - '--storage.tsdb.retention.time=200h'
+      - '--web.enable-lifecycle'
+    ports:
+      - 9090:9090
+    volumes:
+      - prometheus_data:/prometheus
+      - ./prometheus.yml:/etc/prometheus/prometheus.yml:ro
+    networks:
+      - monitoring
+
+  node-exporter:
+    image: prom/node-exporter:v1.6.0
+    container_name: node_exporter
+    command:
+      - '--path.rootfs=/host'
+    pid: host
+    restart: unless-stopped
+    volumes:
+      - '/:/host:ro,rslave'
+    ports:
+      - '9100:9100'
+    networks:
+      - monitoring
+
+  cadvisor:
+    image: gcr.io/cadvisor/cadvisor:v0.52.0
+    container_name: cadvisor
+    privileged: true
+    devices:
+      - /dev/kmsg:/dev/kmsg
+    volumes:
+      - '/:/rootfs:ro'
+      - '/var/run:/var/run:ro'
+      - '/sys:/sys:ro'
+      - '/var/lib/docker/:/var/lib/docker:ro'
+      - '/dev/disk/:/dev/disk:ro'
+    ports:
+      - '8080:8080'
+    networks:
+      - monitoring
+
+  grafana:
+    image: grafana/grafana:9.5.2
+    container_name: grafana
+    environment:
+      - GF_SECURITY_ADMIN_USER=admin
+      - GF_SECURITY_ADMIN_PASSWORD=admin
+    volumes:
+      - grafana_data:/var/lib/grafana
+      - ./grafana/provisioning/datasources:/etc/grafana/provisioning/datasources:ro
+      - ./grafana/provisioning/dashboards:/etc/grafana/provisioning/dashboards:ro
+      - ./grafana/dashboards:/var/lib/grafana/dashboards:ro
+    ports:
+      - 3000:3000
+    networks:
+      - monitoring
+
+  blackbox-exporter:
+    image: prom/blackbox-exporter:v0.24.0
+    container_name: blackbox-exporter
+    command:
+      - '--config.file=/config/blackbox.yml'
+    volumes:
+      - ./blackbox.yml:/config/blackbox.yml:ro
+    ports:
+      - 9115:9115
+    networks:
+      - monitoring