Created
April 26, 2012 11:07
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MySQLのクエロリグをtailして良い感じにfluentdに突っ込むプラグイン
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#<source> | |
# type mysql_query | |
# log /var/log/mysqld/query.log | |
#</source> | |
# TODO:複数行クエリ対応 | |
# TODO:余計なクエリの除外せねば | |
# TODO:タイムスタンプをログから取得するように | |
# TODO:ログイン後にuseされると接続DBがわからない | |
# TODO:タグ名を変数にしないと | |
# TODO:td-agent停止時にtailプロセスをkillできてない | |
class MysqlQuery < Fluent::Input | |
Fluent::Plugin.register_input('mysql_query', self) | |
def configure(conf) | |
super | |
@log = conf['log'] | |
@command = "tail -f #{@log}" | |
end | |
def start | |
super | |
@io = IO.popen(@command, "r") | |
@pid = @io.pid | |
@thread = Thread.new(&method(:run)) | |
end | |
def shutdown | |
super | |
if @thread.join(60) | |
return | |
end | |
Process.kill(:KILL, @pid) | |
@thread.join | |
end | |
def run | |
@io.each_line(&method(:each_line)) | |
end | |
private | |
def each_line(line) | |
line.chomp! | |
if /(\d+) Connect\s(\w+)@(\S+) on (\w+)/ =~ line | |
id, user, src, db = $1, $2, $3, $4 | |
@conns[id] = [ user, src, db ] | |
elsif /(\d+) Query\s+(.*)$/ =~ line | |
id, query = $1, $2 | |
return unless @conns[id] | |
user, src, db = @conns[id] | |
tag = "mysql.query" | |
time = Time.now.to_i | |
record = { | |
"user" => user, | |
"src" => src, | |
"db" => db, | |
"query" => query | |
} | |
Fluent::Engine.emit(tag, time, record) | |
elsif /(\d+) Quit/ =~ line | |
id = $1 | |
@conns.delete(id) | |
end | |
end | |
end |
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