ELK日志系統(ElasticSearch+Logstash+Kibana+kafka+Filebeat)

本文章僅作為個人筆記

elastic官網

kafka官網

zookeeper官網

ElasticSearch官方yum安裝文檔

Logstash官方yum安裝文檔

Kibana官方yum安裝文檔

Filebeat官方yum安裝文檔

kafka2.6.0安裝包官方下載地址

zookeeper3.6.2安裝包官方下載地址

zookeeper官方運行文檔

先貼上各工具安裝教程,可先安裝不啟動,配置后再啟動。

------------------安裝部分----------------------

  • 安裝java

    • yum install java-1.8.0-openjdk.x86_64 java-1.8.0-openjdk-devel.x86_64 -y
  • ElasticSearch安裝

    • rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch

    • vim /etc/yum.repos.d/elasticsearch.repo

      [elasticsearch]
      name=Elasticsearch repository for 7.x packages
      baseurl=https://artifacts.elastic.co/packages/7.x/yum
      gpgcheck=1
      gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
      enabled=0
      autorefresh=1
      type=rpm-md
      
    • yum install --enablerepo=elasticsearch elasticsearch -y

  • Logstash安裝

    • rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch

    • vim /etc/yum.repos.d/logstash.repo

      [logstash-7.x]
      name=Elastic repository for 7.x packages
      baseurl=https://artifacts.elastic.co/packages/7.x/yum
      gpgcheck=1
      gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
      enabled=1
      autorefresh=1
      type=rpm-md
      
    • yum install logstash -y

  • Kibana安裝

    • rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch

    • vim /etc/yum.repos.d/kibana.repo

      [kibana-7.x]
      name=Kibana repository for 7.x packages
      baseurl=https://artifacts.elastic.co/packages/7.x/yum
      gpgcheck=1
      gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
      enabled=1
      autorefresh=1
      type=rpm-md
      
    • yum install kibana -y

    • chkconfig --add kibana

    • service kibana start

  • Filebeat安裝

    • rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch

    • vim /etc/yum.repos.d/filebeat.repo

      [kibana-7.x]
      name=Kibana repository for 7.x packages
      baseurl=https://artifacts.elastic.co/packages/7.x/yum
      gpgcheck=1
      gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
      enabled=1
      autorefresh=1
      type=rpm-md
      
    • yum install filebeat -y

    • systemctl enable filebeat

    • chkconfig --add filebeat

  • kafka安裝

  • 配置ElasticSearch(默認yum安裝的不更改配置亦可,看個人需求)

    • vim /etc/elasticsearch/elasticsearch.yml

      找到配置文件中的cluster.name,打開該配置并設置集群名稱
      cluster.name: demon
      找到配置文件中的node.name,打開該配置并設置節點名稱
      node.name: elk-1
      解決啟動報錯
      cluster.initial_master_nodes: ["node-1"]
      配置內存使用用交換分區
      bootstrap.memory_lock: true
      監聽的網絡地址
      network.host: 0.0.0.0
      開啟監聽的端口
      http.port: 9200
      增加新的參數,這樣head插件可以訪問es (5.x版本,如果沒有可以自己手動加)
      http.cors.enabled: true
      http.cors.allow-origin: "*"
      
    • 集群配置(非集群可略過)

      discovery.zen.ping.unicast.hosts: ["192.168.60.201", "192.168.60.202","192.168.60.203"]  
      # 集群各節點IP地址,也可以使用els、els.demo.com等名稱,需要各節點能夠解析
      discovery.zen.minimum_master_nodes: 2              # 為了避免腦裂,集群節點數最少為 半數+1
      
    • 配置開啟自啟

    • chkconfig --add elasticsearch

    • service elasticsearch start

  • kibana配置

    • vi /etc/kibana/kibana.yml

      server.port: 5601
      server.host: “0.0.0.0”
      elasticsearch.hosts: [“http://localhost:9200”]
      kibana.index: “.kibana”
      
    • service kibana start

  • kafka配置(kafka依賴于zookeeper,因此先配置zookeeper并啟動)

    • zookeeper配置
      • cp conf/zoo_sample.cfg conf/zoo.cfg
      • bin/zkServer.sh start
    • kafka配置
      • vim kafka-2.6.0-src/config/zookeeper.properties

        server.1=192.168.1.190:2888:3888 //kafka集群ip:port
        
      • vim kafka-2.6.0-src/config/server.properties

        broker.id=0
        listeners=PLAINTEXT://192.168.1.190:9092
        zookeeper.connect=192.168.1.190:2181,192.168.1.191:2181,192.168.1.192:2181
        
      • 啟動服務

      • ./bin/kafka-server-start.sh config/server.properties

      • 創建topic(測試)

      • ./bin/kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic testtopic

      • 查詢topic(測試)

      • ./bin/kafka-topics.sh --zookeeper localhost:2181 --list

      • 發送消息(測試)

      • ./bin/kafka-console-producer.sh --broker-list localhost:9092 --topic testtopic

      • 接收消息(測試)

      • ./bin/kafka-console-consumer.sh --bootstrap-server localhost:9092 --topic testtopic --from-beginning

  • Logstash配置(input為監控入地址,output為elasticsearch出地址)

    • 設置輸入數據

    • vim /etc/logstash/conf.d/input.conf

      input {
              kafka {
                      type => "nginx_kafka"
                      codec => "json"
                      topics => "nginx"
                      decorate_events => true
                      bootstrap_servers => "localhost:9092"
              }
      }
      
    • 設置輸出數據

      output {
              if [type] == "nginx_kafka" {
                      elasticsearch {
                              hosts => ["localhost"]
                              index => 'logstash-nginx-%{+YYYY-MM-dd}'
                      }
              }
      }
      
    • service logstash start

  • filebeat配置

    • vim /etc/filebeat/filebeat.yml

      filebeat.inputs:
      - type: log
        paths:
          - /var/log/nginx/access.log
          json.keys_under_root: true
          json.add_error_key: true
          json.message_key: log
      output.kafka:
        hosts: ["localhost:9092"]
        topic: "nginx"
      
    • service filebeat start

  • 至此整套elk服務便部署好了

  • 可以打開 http://localhost:5601 -> StackManagement -> index Patterns 選擇 Create index pattern 設置過濾的key,然后創建規則,創建好后。

  • 打開 http://localhost:5601 -> Discover 查看對應的log,使用filter進行過濾。

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