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98.4. logstash 配置项

98.4.1. input

98.4.1.1. 标准输入输出
root@netkiller ~ % /usr/share/logstash/bin/logstash -e "input {stdin{}} output {stdout{}}"
Helloworld
ERROR StatusLogger No log4j2 configuration file found. Using default configuration: logging only errors to the console.
WARNING: Could not find logstash.yml which is typically located in $LS_HOME/config or /etc/logstash. You can specify the path using --path.settings. Continuing using the defaults
Could not find log4j2 configuration at path //usr/share/logstash/config/log4j2.properties. Using default config which logs to console
18:03:38.340 [[main]-pipeline-manager] INFO  logstash.pipeline - Starting pipeline {"id"=>"main", "pipeline.workers"=>8, "pipeline.batch.size"=>125, "pipeline.batch.delay"=>5, "pipeline.max_inflight"=>1000}
18:03:38.356 [[main]-pipeline-manager] INFO  logstash.pipeline - Pipeline main started
The stdin plugin is now waiting for input:
2017-08-03T10:03:38.375Z localhost Helloworld
18:03:38.384 [Api Webserver] INFO  logstash.agent - Successfully started Logstash API endpoint {:port=>9601}
				
98.4.1.2. rubydebug

rubydebug提供以json格式输出到屏幕

root@netkiller ~ % /usr/share/logstash/bin/logstash -e 'input{stdin{}}output{stdout{codec=>rubydebug}}'
My name is neo
ERROR StatusLogger No log4j2 configuration file found. Using default configuration: logging only errors to the console.
WARNING: Could not find logstash.yml which is typically located in $LS_HOME/config or /etc/logstash. You can specify the path using --path.settings. Continuing using the defaults
Could not find log4j2 configuration at path //usr/share/logstash/config/log4j2.properties. Using default config which logs to console
18:05:02.734 [[main]-pipeline-manager] INFO  logstash.pipeline - Starting pipeline {"id"=>"main", "pipeline.workers"=>8, "pipeline.batch.size"=>125, "pipeline.batch.delay"=>5, "pipeline.max_inflight"=>1000}
18:05:02.747 [[main]-pipeline-manager] INFO  logstash.pipeline - Pipeline main started
The stdin plugin is now waiting for input:
{
    "@timestamp" => 2017-08-03T10:05:02.764Z,
      "@version" => "1",
          "host" => "localhost",
       "message" => "My name is neo"
}
18:05:02.782 [Api Webserver] INFO  logstash.agent - Successfully started Logstash API endpoint {:port=>9601}
				
98.4.1.3. 本地文件
				
input {
  file {
    type => "syslog"
    path => [ "/var/log/maillog", "/var/log/messages", "/var/log/secure" ]
    start_position => "beginning"
  }
}
output {
  stdout { codec => rubydebug }
  elasticsearch { 
    hosts => ["127.0.0.1:9200"] 
  }
}		
				
				

start_position => "beginning" 从头开始读,如果没有这个选项,只会读取最后更新的数据。

98.4.1.4. TCP/UDP
				
input {
  file {
    type => "syslog"
    path => [ "/var/log/secure", "/var/log/messages", "/var/log/syslog" ]
  }
  tcp {
    port => "5145"
    type => "syslog-network"
  }
  udp {
    port => "5145"
    type => "syslog-network"
  }
}
output {
  elasticsearch { 
    hosts => ["127.0.0.1:9200"] 
  }
}
				
				
98.4.1.5. Redis
				
input {
  redis {
    host => "127.0.0.1"
    port => "6379" 
    key => "logstash:demo"
    data_type => "list"
    codec  => "json"
    type => "logstash-redis-demo"
    tags => ["logstashdemo"]
  }
}

output {
  elasticsearch {
    hosts => ["127.0.0.1:9200"]
  }
}
				
				

指定 Database 10

				
root@netkiller /etc/logstash/conf.d % cat spring-boot-redis.conf 
input {
 redis {
  codec => json
  host => "localhost"
  port => 6379
  db => 10
  key => "logstash:redis"
  data_type => "list"
 }
}

output {
  stdout { codec => rubydebug }
  elasticsearch {
    hosts => ["127.0.0.1:9200"]
    index => "logstash-api"
  }
}
				
				
98.4.1.6. Kafka

				
input {
  kafka {
   zk_connect => "kafka:2181"
   group_id => "logstash"
   topic_id => "apache_logs"
   consumer_threads => 16
  }
}		
				
				
98.4.1.7. jdbc
				
root@netkiller /etc/logstash/conf.d % cat jdbc.conf 
input {
  jdbc {
    jdbc_driver_library => "/usr/share/java/mysql-connector-java.jar"
    jdbc_driver_class => "com.mysql.jdbc.Driver"
    jdbc_connection_string => "jdbc:mysql://localhost:3306/cms"
    jdbc_user => "cms"
    jdbc_password => "123456"
    schedule => "* * * * *"
    statement => "select * from article where id > :sql_last_value"
    use_column_value => true
    tracking_column => "id"
    tracking_column_type => "numeric" 
    record_last_run => true
    last_run_metadata_path => "/var/tmp/article.last"
  }
  jdbc {
    jdbc_driver_library => "/usr/share/java/mysql-connector-java.jar"
    jdbc_driver_class => "com.mysql.jdbc.Driver"
    jdbc_connection_string => "jdbc:mysql://localhost:3306/cms"
    jdbc_user => "cms"
    jdbc_password => "123456"
    schedule => "* * * * *"	#定时cron的表达式,这里是每分钟执行一次
    statement => "select * from article where ctime > :sql_last_value"
    use_column_value => true
    tracking_column => "ctime"
    tracking_column_type => "timestamp" 
    record_last_run => true
    last_run_metadata_path => "/var/tmp/article-ctime.last"
  }

}
output {
    elasticsearch {
    	hosts => "localhost:9200"
        index => "information"
        document_type => "article"
        document_id => "%{id}"
        action => "update"
        doc_as_upsert => true
    }
}				
				
				

98.4.2. filter

98.4.2.1. 执行 ruby 代码

日期格式化, 将ISO 8601日期格式转换为 %Y-%m-%d %H:%M:%S

保存下面内容到配置文件data.conf

				
input {
	stdin{}
}
filter {

	ruby {
        code => "event.set('ctime', event.get('[ctime]').time.localtime.strftime('%Y-%m-%d %H:%M:%S'))"
    }

	ruby {
        code => "event.set('mtime', event.get('[mtime]').time.localtime.strftime('%Y-%m-%d %H:%M:%S'))"
    }
}
output {

	stdout {
		codec => rubydebug
	}

}
				
				

/usr/share/logstash/bin/logstash -f date.conf

98.4.3. output

98.4.3.1. file 写入文件
				
output {
    file {
        path => "/path/to/%{host}/%{+yyyy}/%{+MM}/%{+dd}.log.gz"
        message_format => "%{message}"
        gzip => true
    }
}				
				
				
98.4.3.2. elasticsearch
				
output {
  stdout { codec => rubydebug }
  elasticsearch {
    hosts => ["127.0.0.1:9200"]
    index => "logging"
  }
}				
				
				
98.4.3.2.1. 自定义 index

配置实现每日切割一个 index

					
index => "logstash-%{+YYYY.MM.dd}"

	
"_index" : "logstash-2017.03.22"	
					
					

index 自定义 logstash-%{type}-%{+YYYY.MM.dd}

					
input {

    redis {
        data_type => "list"
        key => "logstash:redis"
        host => "127.0.0.1"
        port => 6379
        threads => 5
        codec => "json"
    }
}
filter {

}
output {

    elasticsearch {
        hosts => ["127.0.0.1:9200"]
        index => "logstash-%{type}-%{+YYYY.MM.dd}"
        document_type => "%{type}"
        workers => 1
        flush_size => 20
        idle_flush_time => 1
        template_overwrite => true
    }
    stdout{}
}					
					
					
98.4.3.3. exec 执行脚本
				
output {
    exec {
        command => "sendsms.php \"%{message}\" -t %{user}"
    }
}
				
				
98.4.3.4. stdout
output {
	stdout { codec => rubydebug }
}