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以C-S模式使用fluentd来收集docker容器日志

以C-S模式使用fluentd来收集docker容器日志

作者: peerless_1024 | 来源:发表于2018-09-14 20:05 被阅读53次
    • 1.安装服务器端
      环境:CentOS Linux release 7.4.1708 (Core)
      安装td-agent:
    curl -L https://toolbelt.treasuredata.com/sh/install-redhat-td-agent3.sh | sh
    

    下载服务器端所需插件:

    td-agent-gem install fluent-plugin-file-alternative
    td-agent-gem install fluent-plugin-forest
    
    • 2.安装客户端及所需插件
      环境:Ubuntu 16.04.3 LTS
      安装td-agent:
    curl -L https://toolbelt.treasuredata.com/sh/install-ubuntu-xenial-td-agent3.sh | sh
    
    # 客户端需要安装的插件
    td-agent-gem install fluent-plugin-rewrite-tag-filter
    td-agent-gem install fluent-plugin-grep
    td-agent-gem install fluent-plugin-record-reformer
     
    
    • 3.赋予td-agent用户root权限:

    修改 /etc/passwd 文件

    vim /etc/passwd
    

    找到如下行,把td-agent用户ID修改为 0 ,如下所示:

    td-agent:x:0:133::/var/lib/td-agent:/bin/false
    
    • 4.修改客户端和服务器端的配置文件:
      客户端/etc/td-agent/td-agent.conf:
    root@ubuntu:/etc/td-agent# vim td-agent.conf
    # 客户端配置文件
    <source>
      @type forward
      port 24224
      bind 0.0.0.0
    </source>
    
    # To get the informations of plugins http://localhost:24220/api/plugins.json
    <source>
      @type monitor_agent
      bind 0.0.0.0
      port 24220
    </source>
    
    
    <match docker.*>
        @type forward
        <server>
          host 192.16.1.148
          port 24224
        </server>
        
        <buffer>
          flush_interval 10s
        </buffer>    
    </match>
    

    服务器端/etc/td-agent/td-agent.conf:

    <source>
      @type forward
      port 24224
      bind 0.0.0.0
    </source>
    
    <match docker.*>
      @type stdout
    </match>
    
    • 5.关闭客户端和服务器端的防火墙
    • 先测试能否通信:(ctrl+] 然后在telnet 命令行输入quit 就可以退出telnet)
    #客户机端
    root@ubuntu:~# telnet 192.16.1.148 24224
    Trying 192.16.1.148...
    Connected to 192.16.1.148.
    #服务器端
    [root@worker1 td-agent]# telnet 192.16.1.157 24224
    Trying 192.16.1.157...
    Connected to 192.16.1.157.
    
    • 若不能通信,可能是打开了防火墙所致,粗暴的解决方式:关闭防火墙
    service  firewalld status
    service  firewalld stop
    
    • 更精准的解决方式是添加防火墙规则,例如:
    firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.16.1.157" port protocol="tcp" port="24224" accept"
    
    //在server端也就是centos(ip=192.16.1.148)上
    [root@worker1 td-agent]# firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.16.1.157" port protocol="tcp" port="24224" accept" 
    success
    [root@worker1 td-agent]# systemctl restart firewalld.service
    [root@worker1 td-agent]# firewall-cmd --list-all
    public
      target: default
      icmp-block-inversion: no
      interfaces: 
      sources: 
      services: dhcpv6-client ssh
      ports: 
      protocols: 
      masquerade: no
      forward-ports: 
      source-ports: 
      icmp-blocks: 
      rich rules: 
            rule family="ipv4" source address="192.16.1.157" port port="24224" protocol="tcp" accept
    [root@worker1 td-agent]# 
    
    • 6.查看服务器端收集到的来着客户端的日志
    [root@worker1 td-agent]# tail -f td-agent.log 
    2018-09-14 19:57:46 +0800 [warn]: #0 incoming chunk is broken: host="192.16.1.157" msg=10
    2018-09-14 19:57:46 +0800 [warn]: #0 incoming chunk is broken: host="192.16.1.157" msg=13
    2018-09-14 19:57:46 +0800 [warn]: #0 incoming chunk is broken: host="192.16.1.157" msg=10
    2018-09-14 19:58:17 +0800 [warn]: #0 incoming chunk is broken: host="192.16.1.157" msg=17
    2018-09-14 19:58:17 +0800 [warn]: #0 incoming chunk is broken: host="192.16.1.157" msg=8
    2018-09-14 19:58:17 +0800 [warn]: #0 incoming chunk is broken: host="192.16.1.157" msg=93
    2018-09-14 19:58:17 +0800 [warn]: #0 incoming chunk is broken: host="192.16.1.157" msg=13
    2018-09-14 19:58:17 +0800 [warn]: #0 incoming chunk is broken: host="192.16.1.157" msg=10
    2018-09-14 20:01:50.000000000 +0800 docker.nginx_test: {"source":"stdout","log":"172.17.0.1 - - [14/Sep/2018:12:01:50 +0000] \"GET / HTTP/1.1\" 304 0 \"-\" \"Mozilla/5.0 (X11; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0\" \"-\"","container_id":"a3ea9a89fbdd94d6650e6e11e8bc7ce2a87e3e3b38d349720ad470222c65c0f6","container_name":"/nginx_bashlog"}
    2018-09-14 20:02:03.000000000 +0800 docker.test_of_nginx01: {"container_id":"2c27be33f81ba79f10c56183b0f7f71c833b021d59333d9876b80e66fda756c9","container_name":"/test_of_nginx01","source":"stdout","log":"172.17.0.1 - - [14/Sep/2018:12:02:03 +0000] \"GET / HTTP/1.1\" 304 0 \"-\" \"Mozilla/5.0 (X11; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0\" \"-\""}
    
    成功效果图

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