ELK 分析 nginx access 日志

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　　注意：修改配置后建议重新创建index
　　

　　1、nginx 日志文件格式
log_format elk "$http_clientip | $http_x_forwarded_for | $time_local | $request | $status | $body_bytes_sent | "
"$request_body | $content_length | $http_referer | $http_user_agent | "
"$http_cookie | $remote_addr | $hostname | $upstream_addr | $upstream_response_time | $request_time";　　

　　2、logstash nginx 服务器上的配置文件 agent.conf
input {  
        file {  
                type => "elk_frontend_access"  
                path => ["/data/logs/flight1-access_log"]  
        }
}  
filter {
ruby {
init => "@kname = ['http_clientip','http_x_forwarded_for','time_local','request','status','body_bytes_sent','request_body','content_length','http_referer','http_user_agent','http_cookie','remote_addr','hostname','upstream_addr','upstream_response_time','request_time']"
code => "new_event = LogStash::Event.new(Hash[@kname.zip(event.get('message').split('|'))])
new_event.remove('@timestamp')
event.append(new_event)"
}
if [request] {
ruby {
init => "@kname = ['method','uri','verb']"
code => "new_event = LogStash::Event.new(Hash[@kname.zip(event.get('request').split(' '))])
new_event.remove('@timestamp')
event.append(new_event)
"
}
if [uri] {
ruby {
init => "@kname = ['url_path','url_args']"
code => "new_event = LogStash::Event.new(Hash[@kname.zip(event.get('uri').split('?'))])
new_event.remove('@timestamp')
event.append(new_event)
"
}
kv {
prefix => "url_"
source => "url_args"
field_split => "& "
remove_field => [ "url_args","uri","request" ]
}
}
}
mutate {
convert => ["body_bytes_sent" , "integer", "content_length", "integer", "upstream_response_time", "float","request_time", "float"]
}
date {
match => [ "time_local", "dd/MMM/yyyy:hh:mm:ss Z" ]
locale => "en"
}
        grok {
        match => { "message" => "%{IP:clientip}" }
  }
        geoip
{
        source => "clientip"
        }
}
output {
        redis {  
                host => "10.10.45.200"  
                data_type => "list"  
                key => "elk_frontend_access:redis"  
                port=>"5379"  
        }  
}　　3、logstash elk服务器上的配置文件server.conf
input {  
        redis {  
                host => "10.10.45.200"  
                data_type => "list"  
                key => "elk_frontend_access:redis"  
                port =>"5379"  
        }  
}  
output {  
        elasticsearch {  
                hosts => "10.10.45.200:8200"  
                index => "logstash-zjzc-frontend-%{+YYYY.MM.dd}"  
        }  
        stdout {  
            codec => rubydebug  
        }  
}　　

　　注意：如果修改后没有生效，在kibana上重建索引。