Logstash 数据同步
一.概述
Logstash是一个开源的服务器端数据处理管道，可以同时从多个数据源获取数据，并对其进行转换，然后将其发送到Elasticsearch中。
Logstash 采用可插拔框架，拥有 200 多个插件。您可以将不同的输入选择、过滤器和输出选择混合搭配、精心安排，让它们在管道中和谐地运行。
二.下载
https://www.elastic.co/cn/downloads/past-releases#logstash
可自行选择版本下载
三.安装
解压即可
四.数据同步
Logstash的工作是从MySQL中读取数据，向ES中创建索引，这里需要提前创建mapping的模板文件以便logstash使用。
步骤一：拷贝数据库驱动
步骤二：创建 config/xc_course_mysql.conf ，用于描述从哪个数据库读取数据 创建的文件必须是UTF-8编码，且无BOM
input {
stdin {
}
jdbc {
#serverTimezone=UTC
#serverTimezone=Asia/Shanghai
jdbc_connection_string => "jdbc:mysql://localhost:3306/xc_course?useUnicode=true&characterEncoding=utf-8&useSSL=true&serverTimezone=GMT%2B8"
# the user we wish to excute our statement as
jdbc_user => "root"
jdbc_password => "1234"
# the path to our downloaded jdbc driver
jdbc_driver_library => "../lib/mysql-connector-java-5.1.47.jar"
# the name of the driver class for mysql
jdbc_driver_class => "com.mysql.jdbc.Driver"
#分页设置
jdbc_paging_enabled => "true"
jdbc_page_size => "50000"
jdbc_fetch_size => 100
#要执行的sql文件
#statement_filepath => "/conf/course.sql"
#statement => "select * from course_pub where timestamp > date_add(:sql_last_value,INTERVAL 8 HOUR)"
statement => "select * from course_pub where timestamp > :sql_last_value"
#定时配置
schedule => "* * * * *"
record_last_run => true
last_run_metadata_path => "../config/logstash_metadata"
}
}
output {
elasticsearch {
#ES的ip地址和端口
hosts => "localhost:9200"
#hosts => ["localhost:9200","localhost:9202","localhost:9203"]
#ES索引库名称
index => "xc_course"
document_id => "%{id}"
document_type => "CoursePub"
template =>"../config/xc_course_template.json"
template_name =>"xc_course"
template_overwrite =>"true"
}
stdout {
#日志输出
codec => json_lines
}
}
步骤三：创建 config/xc_course_template.json 用于配置logstash向elasticsearch写入数据的模板
{
"template" : "xc_course",
"mappings" : {
"CoursePub": {
"properties": {
"charge": {
"type": "keyword"
},
"description": {
"type": "text",
"analyzer": "ik_max_word",
"search_analyzer": "ik_smart"
},
"end_time": {
"type": "date",
"format": "yyyy-MM-dd HH:mm:ss"
},
"expires": {
"type": "date",
"format": "yyyy-MM-dd HH:mm:ss"
},
"grade": {
"type": "keyword"
},
"id": {
"type": "keyword"
},
"mt": {
"type": "keyword"
},
"name": {
"type": "text",
"analyzer": "ik_max_word",
"search_analyzer": "ik_smart"
},
"pic": {
"type": "keyword",
"index": false
},
"price": {
"type": "float"
},
"price_old": {
"type": "float"
},
"pub_time": {
"type": "date",
"format": "yyyy-MM-dd HH:mm:ss"
},
"qq": {
"type": "keyword",
"index": false
},
"st": {
"type": "keyword"
},
"start_time": {
"type": "date",
"format": "yyyy-MM-dd HH:mm:ss"
},
"status": {
"type": "keyword"
},
"studymodel": {
"type": "keyword"
},
"teachmode": {
"type": "keyword"
},
"teachplan": {
"type": "text",
"analyzer": "ik_max_word",
"search_analyzer": "ik_smart"
},
"users": {
"type": "text",
"index": false
},
"valid": {
"type": "keyword"
}
}
}
}
}
步骤四：启动logstash
logstash.bat -f ..\config\xc_course_mysql.conf
启动成功:
访问:
看完恭喜你,又知道了一点点!!!
你知道的越多,不知道的越多!
~感谢志同道合的你阅读, 你的支持是我学习的最大动力 ! 加油 ,陌生人一起努力,共勉!!
注: 如果本篇有需要改进的地方或错误,欢迎大神们指定一二~~