docker-compose数据库监控举例分析

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运维监控

监控对象:

• docker

• redis

• mysql

• Nginx

数据采集:

• prometheus

• cadvisor

• node-exporter:

• Redis-exporter

• Mysql-exporter:

报表:

• grafana

nginx 监控需要编译vfs模块，笔记麻烦！推荐elk 使用filebeat 直接收集日志，kibana出报表

docker-compose.yml

version: '2'services:  # db server  redis:    build: redis/    container_name: redis    restart: unless-stopped    volumes:      - ~/docker/redis/data:/data      - ~/docker/redis/conf/master/redis.conf:/etc/redis/redis.conf    ports:      - "6379:6379"    # mysql:  #   build: mysql/  #   container_name: mysql  #   restart: unless-stopped  #   volumes:  #   #  - ~/docker/mysql/data:/var/lib/mysql  #     - ~/docker/mysql/data:/var/lib/mysql  #     - ~/GitHub/docker_db/mysql/conf.d:/etc/mysql/conf.d  #   ports:  #     - "3306:3306"  #   environment:  #     MYSQL_ROOT_PASSWord: "mysecretpassword"  # exporter  cadvisor:    image: Google/cadvisor:latest    container_name: cadvisor    restart: unless-stopped    ports:      - '8080:8080'    volumes:      - /:/rootfs:ro      - /var/run:/var/run:rw      - /sys:/sys:ro      - /var/lib/docker/:/var/lib/docker:ro  node-exporter:    image: prom/node-exporter:latest    container_name: node-exporter    restart: unless-stopped    ports:      - '9100:9100'    command:      - '--path.procfs=/host/proc'      - '--path.sysfs=/host/sys'      - '--collector.filesystem.ignored-mount-points=^/(sys|proc|dev|host|etc)($$|/)'      - '--collector.textfile.directory=/node_exporter/prom'    volumes:      - /:/rootfs:ro      - /proc:/host/proc:ro      - /sys:/host/sys:ro      - ~/docker/prometheus_exporter/prom:/node_exporter/prom  # mysql exporter  # mysql-exporter:  #   image: prom/mysqld-exporter  #   container_name: mysql-exporter  #   hostname: mysql-exporter  #   user: '0'  #   restart: always  #   ports:  #       - "9104:9104"  #   environment:  #     # DATA_SOURCE_NAME: "root:yunjingtest@(localhost:3306)"  #     DATA_SOURCE_NAME: "root:mysecretpassword@(mysql:23306)"  #   depends_on:  #     - mysql  # redis exporter  redis-exporter:    image: oliver006/redis_exporter    container_name: redis-exporter    hostname: redis-exporter    restart: always    ports:      - "9121:9121"    command:      - "--redis.addr=redis://redis:6379"    depends_on:      - redis  prometheus:    image: prom/prometheus:latest    container_name: prometheus    restart: unless-stopped    ports:      - '9090:9090'    # user: '0'    command:      - '--config.file=/etc/prometheus/prometheus.yml'      - '--storage.tsdb.path=/prometheus/data'      - '--storage.tsdb.retention=90d'      - '--WEB.enable-lifecycle'    volumes:      - ./prometheus/conf/prometheus.yml:/etc/prometheus/prometheus.yml      - ~/docker/prometheus/data:/prometheus/data    depends_on:      - cadvisor      - node-exporter  grafana:    image: grafana/grafana:latest    container_name: grafana    restart: unless-stopped    ports:      - '3000:3000'    depends_on:      - prometheus    volumes:      - ~/docker/grafana:/var/lib/grafana    environment:      - Http_USER=admin      - HTTP_PASS=yunjingtest      # - GF_SECURITY_ADMIN_PASSWORD=yunjingtest      # - GF_USERS_ALLOW_SIGN_UP=falsenetworks:    db:        driver: bridge

run:

➜  docker_db git:(master) docker-compose up -dCreating redis         ... doneCreating cadvisor      ... doneCreating node-exporter  ... doneCreating redis-exporter ... doneCreating prometheus     ... doneCreating grafana        ... done➜  docker_db git:(master) docker-compose ps     Name                   Command               State           Ports--------------------------------------------------------------------------------cadvisor         /usr/bin/cadvisor -logtostderr   Up      0.0.0.0:8080->8080/tcpgrafana          /run.sh                          Up      0.0.0.0:3000->3000/tcpnode-exporter    /bin/node_exporter --path. ...   Up      0.0.0.0:9100->9100/tcpprometheus       /bin/prometheus --config.f ...   Up      0.0.0.0:9090->9090/tcpredis            docker-entrypoint.sh /usr/ ...   Up      0.0.0.0:6379->6379/tcpredis-exporter   /redis_exporter --redis.ad ...   Up      0.0.0.0:9121->9121/tcp➜  docker_db git:(master)

web 界面查看

1.prometheus 界面查看job_name

http://localhost:9090/targets

2.grafana 查看具体报表

• redis 状态报表

• prometheus 状态报表 dashborad 在granfa官网查找，找到模版id

prometheus reids

官方报表模版

监控指标 模版id:8919

• cpu

• 内存

• 磁盘

• 系统调用

• 网络io ...

cpu/内存:

系统负载/磁盘/网络io

prometheus.yml

# my global configglobal:    scrape_interval:     15s # Set the scrape interval to every 15 seconds. Default is every 1 minute.    evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.    # scrape_timeout is set to the global default (10s).  # Alertmanager configurationalerting:  alertmanagers:  - static_configs:    - targets:      # - alertmanager:9093# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.rule_files:  # - "first_rules.yml"  # - "second_rules.yml"# A scrape configuration containing exactly one endpoint to scrape:# Here it's Prometheus itself.scrape_configs:  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.  - job_name: 'prometheus'    # metrics_path defaults to '/metrics'    # scheme defaults to 'http'.    static_configs:    - targets: ['localhost:9090']  - job_name: 'node-exporter'    scrape_interval: 5s    static_configs:    - targets: ['node-exporter:9100']  - job_name: 'cadvisor'    scrape_interval: 5s    static_configs:    - targets: ['cadvisor:8080']  # - job_name: 'mysql-exporter'  #   scrape_interval: 5s  #   static_configs:  #   - targets: ['mysql-exporter:9104']  # - job_name: 'mysql-exporter-100'  #   scrape_interval: 5s  #   static_configs:  #   - targets: ['mysql-exporter-100:9105']  - job_name: 'redis-exporter'    scrape_interval: 5s    static_configs:    - targets: ['redis-exporter:9121']

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