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docker-compose 快速搭建日志平台

elk   数据分析  

部署ELK

  • 创建部署目录
mkdir -p /data/apps/elk/{elasticsearch,kibana,logstash}  
mkdir -p /data/apps/elk/elasticsearch/{data,plugins,logs,cert}  
chmod 777 elasticsearch kibana logstash -R
  • 创建logstash配置文件
cd  /data/apps/elk/  
touch  /data/apps/elk/logstash/logstash.conf
  • 配置logstash.conf,如果只用filebeat采集，logstash可以不用部署
input {  
  tcp {
    mode => "server"
    host => "0.0.0.0"
    port => 4560
  }
}

output {  
  elasticsearch {
    hosts => ["elasticsearch:9200"]
    index => "logstash-%{+YYYY.MM.dd}"
  }
  stdout { codec => rubydebug }
}
  • 创建和配置elasticsearch.yml
touch /data/apps/elk/elasticsearch/config/elasticsearch.yml  

cluster.name: "docker-cluster"  
network.host: 0.0.0.0

# 这里等生成好证书再开启配置
#xpack.security.enabled: true
#xpack.security.transport.ssl.enabled: true
#xpack.security.transport.ssl.verification_mode: certificate
#xpack.security.transport.ssl.keystore.path: /usr/share/elasticsearch/config/elastic-certificates.p12
#xpack.security.transport.ssl.truststore.path: /usr/share/elasticsearch/config/elastic-certificates.p12
#xpack.security.transport.ssl.truststore.type: PKCS12
#xpack.security.transport.ssl.keystore.type: PKCS12
  • 创建和配置kibana.yml
server.name: kibana  
server.host: "0"  
elasticsearch.hosts: [ "http://elasticsearch:9200" ]  
xpack.monitoring.ui.container.elasticsearch.enabled: true  
# 设置中文
i18n.locale: zh-CN

#elasticsearch中用户名和密码，这也里要等ES开启xpack再启用
#elasticsearch.username: "kibana"
#elasticsearch.password: "****************"
  • 创建docker-compose.yml文件
touch /data/apps/elk/docker-compose.yml
  • 根据实际情况配置 docker-compose.yml,这是最终版
version: '3.5'  
services:  
  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.6.2
    container_name: elasticsearch
    privileged: true
    user: root
    environment:
      #设置集群名称为elasticsearch
      - cluster.name=elasticsearch 
      #以单一节点模式启动
      - discovery.type=single-node 
      #设置使用jvm内存大小
      - ES_JAVA_OPTS=-Xms512m -Xmx512m 
    volumes:
      - /data/apps/elk/elasticsearch/plugins:/usr/share/elasticsearch/plugins
      - /data/apps/elk/elasticsearch/data:/usr/share/elasticsearch/data
      - /data/apps/elk/elasticsearch/logs:/usr/share/elasticsearch/logs
      - /data/apps/elk/elasticsearch/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
      #- /data/apps/elk/elasticsearch/cert/elastic-certificates.p12:/usr/share/elasticsearch/config/elastic-certificates.p12
    ports:
      - 9200:9200
      - 9300:9300
    networks:
      - elk-network

  logstash:
    image: docker.elastic.co/logstash/logstash:7.6.2
    container_name: logstash
    ports:
       - 4560:4560
    privileged: true
    environment:
      - TZ=Asia/Shanghai
    volumes:
      #挂载logstash的配置文件
      - /data/apps/elk/logstash/logstash.conf:/usr/share/logstash/pipeline/logstash.conf 
    depends_on:
      - elasticsearch 
    links:
      #可以用es这个域名访问elasticsearch服务
      - elasticsearch:es 
    networks:
      - elk-network

  kibana:
    image: docker.elastic.co/kibana/kibana:7.6.2
    container_name: kibana
    ports:
        - 5601:5601
    privileged: true
    links:
      #可以用es这个域名访问elasticsearch服务
      - elasticsearch:es 
    depends_on:
      - elasticsearch 
    environment:
      #设置访问elasticsearch的地址
      - elasticsearch.hosts=http://elasticsearch:9200
    volumes:
      #挂载kibana的配置文件
      - /data/apps/elk/kibana/kibana.yml:/usr/share/kibana/config/kibana.yml
    networks:
      - elk-network

networks:  
  elk-network:
    driver: bridge
  • 启动docker-compose
#启动
docker-compose up -d

#关闭
docker-compose down

#重启某个容器
docker-compose restart logstash

安装获取elastic-certificates.p12文件

  • 进es容器中操作
docker exec -it elasticsearch /bin/bash
  • 执行下面命令，生成新文件 elastic-stack-ca.p12文件，系统会提示生成名称和密码，可直接回车跳过，无需输入
./bin/elasticsearch-certutil ca
  • 执行下面命令，elastic-certificates.p12文件（所需文件），系统会提示生成名称和密码，可直接回车跳过，无需输入
./bin/elasticsearch-certutil cert --ca elastic-stack-ca.p12
  • 拷贝文件至宿主机,选退出容器，进入宿主机再操作
docker cp es:/usr/share/elasticsearch/elastic-certificates.p12 /data/apps/elk/elasticsearch/cert/  
chmod 755 /data/apps/elk/elasticsearch/cert/elastic-certificates.p12

ES启用xpack配置

  • 修改配置elasticsearch.yml，取消以下注释
xpack.security.enabled: true  
xpack.security.transport.ssl.enabled: true  
xpack.security.transport.ssl.verification_mode: certificate  
xpack.security.transport.ssl.keystore.path: /usr/share/elasticsearch/config/elastic-certificates.p12  
xpack.security.transport.ssl.truststore.path: /usr/share/elasticsearch/config/elastic-certificates.p12  
xpack.security.transport.ssl.truststore.type: PKCS12  
xpack.security.transport.ssl.keystore.type: PKCS12
  • 修改docker-compose.yml配置,取消20行注释
 - /data/apps/elk/elasticsearch/cert/elastic-certificates.p12:/usr/share/elasticsearch/config/elastic-certificates.p12
  • 重启es
docker-compose restart elasticsearch
  • 这时可以看到kibana已经无法连接es

elasticsearch 帐号密码设置

  • 进入 elasticsearch 容器
docker exec -it elasticsearch /bin/bash
  • 生成密码,自行选择自动生成或者手动设置
#自动生成密码
./bin/elasticsearch-setup-passwords auto
#手动设置密码
./bin/elasticsearch-setup-passwords interactive
  • 我这里选择自动生成,生成好的密码注意保存
[root@9e4a89f00a05 elasticsearch]# ./bin/elasticsearch-setup-passwords auto
Initiating the setup of passwords for reserved users elastic,apm_system,kibana,logstash_system,beats_system,remote_monitoring_user.  
The passwords will be randomly generated and printed to the console.  
Please confirm that you would like to continue [y/N]y


Changed password for user apm_system  
PASSWORD apm_system = *****此处有明文密码*******

Changed password for user kibana  
PASSWORD kibana = *****此处有明文密码*******

Changed password for user logstash_system  
PASSWORD logstash_system = *****此处有明文密码*******

Changed password for user beats_system  
PASSWORD beats_system = *****此处有明文密码*******

Changed password for user remote_monitoring_user  
PASSWORD remote_monitoring_user = *****此处有明文密码*******

Changed password for user elastic  
PASSWORD elastic = IGnVa7HrYCzReBFWOCmX

修改kibana配置，添加ES的账号和密码

  • kibana/kibana.yml
#elasticsearch中用户名和密码
elasticsearch.username: "kibana"  
elasticsearch.password: "************"
  • 重启kibana，使用配置生效
docker-compose restart kibana

kibana

  • 使用elastic用户登录kibana

输入http://你的IP:5601/，访问Kibana web界面。点击左侧设置，进入Management界面

  • 这里建议使用Nginx做七层反向代理，使用域名http://elk.xxxx.com访问ELK
server {  
    listen 80;
    server_name elk.xxxx.com;
    charset utf-8;
    location = /favicon.ico { access_log off; log_not_found off; }
    location / {
        proxy_pass http://你的IP:5601;
        proxy_redirect off;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
    access_log  /data/logs/elk.xxxx.com.access.log main;
    error_log  /data/logs/elk.xxxx.com.error.log;
}

使用filebeat采集Nginx日志和后台业务日志

  • 安装filebeat
curl -L -O https://artifacts.elastic.co/downloads/beats/filebeat/filebeat-7.6.2-x86_64.rpm

rpm -vih filebeat-7.6.2-x86_64.rpm
  • 配置filebeat.yml
#logging.level: debug
filebeat.inputs:  
  - type: log
    enabled: true
    paths:
      - /data/wwwlogs/*access.log
    json.keys_under_root: true
    json.add_error_key: true
    index: "nginx-access-%{+yyyy.MM.dd}"

    # 如果有其他日志要采集，参考以上配置，继续追加即可

name: 可以填写你的主机名

#开启子配置文件查看，在这个目录里新增子配置文件会自动加载，不需要重启filebeat
filebeat.config.inputs:  
  enabled: true 
  path: ${path.config}/inputs.d/*.yml
  reload.enabled: true
  reload.period: 10s

output.elasticsearch:  
  hosts: ["elasticsearch:9200"]
  protocol: "http"
  # 开启认证后filebeat也要配置es密码
  username: "elastic"
  password: "************"
processors:  
- drop_fields:
    fields: ["log.offset", "input", "agent.type", "agent.ephemeral_id", "agent.id", "agent.version", "agent.name", "ecs", "host"]

close_older: 30m         # 如果文件在某个时间段内没有发生过更新，则关闭监控的文件handle。默认1h  
force_close_files: false # 这个选项关闭一个文件,当文件名称的变化。只在window建议为true  
close_inactive: 1m  
close_timeout: 3h  
clean_inactive: 72h  
ignore_older: 70h

  • 如果需要新增filebeat配置则添加- input_type: log段配置即可

  • 启动filebeat

systemctl start filebeat.service
  • 设置开机启动
systemctl enable filebeat.service