Lab7

LAB7.md

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+# 7
+
+## Monitoring: logging
+
+In this lab you need to get familiar with a logging stack - Promtail, Loki, Grafana. Then prepare a docker-compose file and config files to setup the stack.
+
+### 10 points
+
+1. Read about the logging stack:
+
+   * https://grafana.com/go/webinar/loki-getting-started/
+   * https://grafana.com/docs/loki/latest/overview/
+
+2. Prepare a docker-compose file with the stack and your app.
+
+   * [examples of docker-compose](https://github.com/grafana/loki)
+   * [example of promtail configuration](https://github.com/black-rosary/loki-nginx), but be smart
+
+3. Test that it works, prepare a `LOGGING.md` report.
+4. Create a monitoring folder, put report, docker-compose.yml and config files inside.
+5. Provide screenshots of your success in the report.
+6. Create a PR to the forked repo lab7 branch, ask your teammates to review it and review PRs of your teammates.
+7. Create a PR in your own repository from the lab7 branch to the lab6 one. It will help us with grading.
+
+## Bonus
+
+### 2 points
+
+1. Add your extra app to the `docker-compose.yml`.
+2. Configure stack to get logs from all containers from docker-compose.yml. Provide
+screenshots of your success in the report.

monitoring/LOGGING.md

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+# Logging
+
+Match timeweb proxy container logs:
+
+![](https://i.ibb.co/hdGcSB1/1.png)
+
+Filter by `GET /`:
+
+![](https://i.ibb.co/f9vnr34/2.png)

monitoring/docker-compose.yml

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+version: '3.3'
+services:
+  timeweb:
+    image: passkeyra/timeweb:latest
+    restart: unless-stopped
+
+  nginx:
+    build: ./nginx
+    image: nginx.timeweb
+    ports:
+      - "80:80"
+    restart: unless-stopped
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "100m"
+        max-file: "10"
+        tag: "{{.ImageName}}|{{.Name}}"
+
+  grafana:
+    image: grafana/grafana
+    ports:
+      - 3000:3000
+    volumes:
+      - grafana_data:/var/lib/grafana
+      - ./grafana/provisioning/:/etc/grafana/provisioning/
+    env_file:
+      - ./grafana/config.monitoring
+    restart: unless-stopped
+
+  promtail:
+    image: grafana/promtail
+    expose:
+      - 9080
+    ports:
+      - "9080:9080"
+    volumes:
+      - /var/lib/docker/containers:/var/lib/docker/containers:ro
+      - promtail_data:/var/lib/promtail/positions
+      - ./promtail/promtail.yml:/etc/promtail/promtail.yml
+    command:
+      - '-config.file=/etc/promtail/promtail.yml'
+    restart: unless-stopped
+
+  loki:
+    image: grafana/loki
+    expose:
+      - 3100
+    ports:
+      - "3100:3100"
+    volumes:
+      - ./loki/loki-config.yml:/etc/loki-config.yml
+      - loki_data:/loki
+    command: -config.file=/etc/loki-config.yml
+    restart: unless-stopped
+
+volumes:
+  grafana_data: {}
+  loki_data: {}
+  promtail_data: {}

monitoring/grafana/config.monitoring

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+GF_SECURITY_ADMIN_USER=admin
+GF_SECURITY_ADMIN_PASSWORD=gO/JrMlJorSkUJcg
+GF_USERS_ALLOW_SIGN_UP=false

monitoring/grafana/provisioning/dashboards/dashboard.yml

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