Logstash收集Nginx访问日志

youlaqian

2018-07-15

Logstash收集Nginx访问日志

安装nginx

#直接yum安装：
[root@elk-node1 ~]# yum install nginx  -y
官方文档：http://nginx.org/en/docs/http/ngx_http_log_module.html#log_format
#修改配置文件的日志格式：
vim /etc/nginx/nginx.conf  
#在http模块中添加
          log_format json '{"@timestamp":"$time_iso8601",'
                           '"@version":"1",'
                           '"client":"$remote_addr",'
                           '"url":"$uri",'
                           '"status":"$status",'
                           '"domain":"$host",'
                           '"host":"$server_addr",'
                           '"size":$body_bytes_sent,'
                           '"responsetime":$request_time,'
                           '"referer": "$http_referer",'
                           '"ua": "$http_user_agent"'
               '}';
#在server模块中添加
access_log  /var/log/nginx/access_json.log  json;
#修改后的nginx.conf文件
[root@elk-node1 ~]# grep -Ev "#|^&" /etc/nginx/nginx.conf
 
user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;
 
include /usr/share/nginx/modules/*.conf;
 
events {
    worker_connections 1024;
}
 
http {
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';
          log_format json '{"@timestamp":"$time_iso8601",'
                           '"@version":"1",'
                           '"client":"$remote_addr",'
                           '"url":"$uri",'
                           '"status":"$status",'
                           '"domain":"$host",'
                           '"host":"$server_addr",'
                           '"size":$body_bytes_sent,'
                           '"responsetime":$request_time,'
                           '"referer": "$http_referer",'
                           '"ua": "$http_user_agent"'
               '}';
    sendfile            on;
    tcp_nopush          on;
    tcp_nodelay         on;
    keepalive_timeout   65;
    types_hash_max_size 2048;
 
    include             /etc/nginx/mime.types;
    default_type        application/octet-stream;
 
    include /etc/nginx/conf.d/*.conf;
 
    server {
        listen       80 default_server;
        listen       [::]:80 default_server;
        server_name  _;
        root         /usr/share/nginx/html;
 
        include /etc/nginx/default.d/*.conf;
    access_log  /var/log/nginx/access_json.log  json;
 
        location / {
        }
 
        error_page 404 /404.html;
            location = /40x.html {
        }
 
        error_page 500 502 503 504 /50x.html;
            location = /50x.html {
        }
    }
 
 
}
#启动：
[root@controller ~]# systemctl start nginx
root@elk-node1 ~]# ss -lntp|grep 80
LISTEN     0      511          *:80                       *:*                   users:(("nginx",pid=8045,fd=6),("nginx",pid=8044,fd=6),("nginx",pid=8043,fd=6))
LISTEN     0      511         :::80                      :::*                   users:(("nginx",pid=8045,fd=7),("nginx",pid=8044,fd=7),("nginx",pid=8043,fd=7))

浏览器访问：http://192.168.247.135/
Logstash收集Nginx访问日志

查看nginx日志

Logstash收集Nginx访问日志

编写logstash

#添加nginx日志格式到之前logstash的elk-log.yml
[root@elk-node1 ~]# cat /etc/logstash/conf.d/elk_log.conf
input {
    file {
      path => "/var/log/messages"
      type => "system"
      start_position => "beginning"
    }
    file {
       path => "/var/log/elasticsearch/hejianlai.log"
       type => "es-error"
       start_position => "beginning"
      codec => multiline {
          pattern => "^\["
          negate => true
          what => "previous"
        }
    }
       file {
       path => "/var/log/nginx/access_json.log"
       codec => json
       start_position => "beginning"
       type => "nginx-log"
    }
}
output {
     
    if [type] == "system"{
        elasticsearch {
           hosts => ["192.168.247.135:9200"]
           index => "systemlog-%{+YYYY.MM.dd}"
        }
    }
  
    if [type] == "es-error"{
        elasticsearch {
           hosts => ["192.168.247.135:9200"]
           index => "es-error-%{+YYYY.MM.dd}"
        }
    }
       if [type] == "nginx-log"{
        elasticsearch {
           hosts => ["192.168.247.135:9200"]
           index => "nginx-log-%{+YYYY.MM.dd}"
        }
    }
}

#添加--configtest参数检查配置语法是否有误！！！
[root@elk-node1 ~]# /opt/logstash/bin/logstash -f /etc/logstash/conf.d/elk_log.conf --configtest
Configuration OK
#把之前后台运行的进程kill掉重启：
[root@elk-node1 ~]# ps aux|grep elk
root 3248 0.8 6.0 3632960 234924 pts/2 Sl 11:25 1:10 /usr/local/java/jdk1.8.0_171/bin/java -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -Djava.awt.headless=true -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -XX:+HeapDumpOnOutOfMemoryError -Xmx1g -Xss2048k -Djffi.boot.library.path=/opt/logstash/vendor/jruby/lib/jni -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -Djava.awt.headless=true -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/opt/logstash/heapdump.hprof -Xbootclasspath/a:/opt/logstash/vendor/jruby/lib/jruby.jar -classpath ::/usr/local/java/jdk1.8.0_171/lib:/usr/local/java/jdk1.8.0_171/jre/lib -Djruby.home=/opt/logstash/vendor/jruby -Djruby.lib=/opt/logstash/vendor/jruby/lib -Djruby.script=jruby -Djruby.shell=/bin/sh org.jruby.Main --1.9 /opt/logstash/lib/bootstrap/environment.rb logstash/runner.rb agent -f /etc/logstash/conf.d/elk_log.conf
root 8135 0.0 0.0 112704 976 pts/0 S+ 13:38 0:00 grep --color=auto elk
[root@elk-node1 ~]# kill -9 3248
You have new mail in /var/spool/mail/root
[root@elk-node1 ~]# /opt/logstash/bin/logstash -f /etc/logstash/conf.d/elk_log.conf &
[1] 8178

kibana添加nginx日志

首先在es插件中我们能看到nginx-log的索引

Logstash收集Nginx访问日志

设置kibana

Logstash收集Nginx访问日志

nginx log logstash

安科网

Logstash收集Nginx访问日志

youlaqian

安装nginx

编写logstash

kibana添加nginx日志

youlaqian

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