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v0.0.8

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fluent-plugin-mysql.gemspec v0.0.8

README.md

fluent-plugin-mysql

Component

MysqlOutput

Fluentd plugin to store mysql tables over SQL, to each columns per values, or to single column as json.

Configuration

MysqlOutput

MysqlOutput needs MySQL server's host/port/database/username/password, and INSERT format as SQL, or as table name and columns.

<match output.by.sql.*>
  type mysql
  host master.db.service.local
  # port 3306 # default
  database application_logs
  username myuser
  password mypass
  key_names status,bytes,vhost,path,rhost,agent,referer
  sql INSERT INTO accesslog (status,bytes,vhost,path,rhost,agent,referer) VALUES (?,?,?,?,?,?,?)
  flush_interval 5s
</match>

<match output.by.names.*>
  type mysql
  host master.db.service.local
  database application_logs
  username myuser
  password mypass
  key_names status,bytes,vhost,path,rhost,agent,referer
  table accesslog
  # 'columns' names order must be same with 'key_names'
  columns status,bytes,vhost,path,rhost,agent,referer
  flush_interval 5s
</match>

Or, insert json into single column.

<match output.as.json.*>
  type mysql
  host master.db.service.local
  database application_logs
  username root
  table accesslog
  columns jsondata
  format json
  flush_interval 5s
</match>

To include time/tag into output, use include_time_key and include_tag_key, like this:

<match output.with.tag.and.time.*>
  type mysql
  host my.mysql.local
  database anydatabase
  username yourusername
  password secret

  include_time_key yes
  ### default `time_format` is ISO-8601
  # time_format %Y%m%d-%H%M%S
  ### default `time_key` is 'time'
  # time_key timekey

  include_tag_key yes
  ### default `tag_key` is 'tag'
  # tag_key tagkey

  table anydata
  key_names time,tag,field1,field2,field3,field4
  sql INSERT INTO baz (coltime,coltag,col1,col2,col3,col4) VALUES (?,?,?,?,?,?)
</match>

Or, for json:

<match output.with.tag.and.time.as.json.*>
  type mysql
  host database.local
  database foo
  username root

  include_time_key yes
  utc   # with UTC timezone output (default: localtime)
  time_format %Y%m%d-%H%M%S
  time_key timeattr

  include_tag_key yes
  tag_key tagattr
  table accesslog
  columns jsondata
  format json
</match>
#=> inserted json data into column 'jsondata' with addtional attribute 'timeattr' and 'tagattr'

JsonPath format

You can use JsonPath selectors as key_names, such as:

<match output.with.jsonpath.format.*>
   type mysql
   host database.local
   database foo
   username bar

   include_time_key yes
   utc
   include_tag_key yes
   table baz

   format jsonpath
   key_names time, tag, id, data.name, tags[0]
   sql INSERT INTO baz (coltime,coltag,id,name,tag1) VALUES (?,?,?,?,?)
</match>

Which for a record like:

{ 'id' => 15, 'data'=> {'name' => 'jsonpath' }, 'tags' => ['unit', 'simple'] }

will generate the following insert values:

('2012-12-17T01:23:45Z','test',15,'jsonpath','unit')

Prerequisites

fluent-plugin-mysql uses mysql2 gem, and mysql2 links against libmysqlclient. See Installing for its installation.

TODO

  • implement 'tag_mapped'
    • dynamic tag based table selection

Copyright

  • Copyright
    • Copyright(C) 2012- TAGOMORI Satoshi (tagomoris)
  • License
    • Apache License, Version 2.0
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