巧用rsyslog收集多套日志并做单套日志的过滤分离

日志是supervisor打出来的python日志,且把不同格式的日志打印到了同一批文件里,需求是把带post和ERROR关键字的日志分离,并进入两个不同kafka的topic队列,目前的情况是rsyslog已经收集了nginx的访问日志,不能相互影响,就是说不能直接用if判断做分离,因为可能会日志混掉。

要收集的日志格式如下:

123 ERROR:root:requeue {"withRefresh": false, "localPath": "/data1/ms/cache/file_store_location/n.fdaimg.cn/translate/20170219/oobE-fyarref6029227.jpg?43", "remotePath": "translate/20170219/oobE-fyarref6029227.jpg?43"}
INFO:root:2017-02-22T11:53:11.395165, {"withRefresh": false, "localPath": "/data1/ms/cache/file_store_location/n.adfaimg.cn/w/20170222/aue--fyarref6523250.jpeg", "remotePath": "w/20170222/aue--fyarref6523250.jpeg"}
INFO:root:post /data1/ms/cache/file_store_location/n.fsdaimg.cn/w/20170222/aue--fyarref6523250.jpeg to w/20170222/aue--fyarref6523250.jpeg took 112.954854965 ms...

操作做之前配置的rsyslog的规则如下:

module(load="imfile")
module(load="omkafka")
$PreserveFQDN on
main_queue(
  queue.workerthreads="10"      # threads to work on the queue
  queue.dequeueBatchSize="1000" # max number of messages to process at once
  queue.size="50000"            # max queue size
)
######################### nginx access #####################
$template nginxlog,"xd172\.16\.11\.44`%msg%"
ruleset(name="nginxlog") {
    action(
        broker=["10.13.88.190:9092","10.13.88.191:9092","10.13.88.192:9092","10.13.88.193:9092"]
        type="omkafka"
        topic="cms-nimg-s3"
        template="nginxlog"
        partitions.auto="on"
    )
  }
input(type="imfile"
      File="/data1/ms/comos/logs/access_s3.log"
      Tag=""
      ruleset="nginxlog"
      freshStartTail="on"
      reopenOnTruncate="on"
    )

当时想直接用if判断做分离,后来发现所有的日志都会进if判断,完全可能把日志混淆,后来测试发现,ruleset里竟然可以嵌套if判断,神奇的rsyslog,解决了一个大问题,配置如下:

module(load="imfile")
module(load="omkafka")
$PreserveFQDN on
main_queue(
  queue.workerthreads="10"      # threads to work on the queue
  queue.dequeueBatchSize="1000" # max number of messages to process at once
  queue.size="50000"            # max queue size
)
######################### nginx access #####################
$template nginxlog,"xd172\.16\.11\.44`%msg%"
ruleset(name="nginxlog") {
    action(
        broker=["10.13.88.190:9092","10.13.88.191:9092","10.13.88.192:9092","10.13.88.193:9092"]
        type="omkafka"
        topic="cms-nimg-s3"
        template="nginxlog"
        partitions.auto="on"
    )
  }
input(type="imfile"
      File="/data1/ms/comos/logs/access_s3.log"
      Tag=""
      ruleset="nginxlog"
      freshStartTail="on"
      reopenOnTruncate="on"
    )
####################### python s3 post  error################################
$template s3post,"xd172\.16\.11\.43 %msg%"
ruleset(name="s3post") {
    if  ( $msg contains "post" ) then {
        action(
              broker=["10.13.88.190:9092","10.13.88.191:9092","10.13.88.192:9092","10.13.88.193:9092"]
              type="omkafka"
              topic="cms-nimg-s3-post"
              template="s3post"
              partitions.auto="on"
              )
      }
    if  ( $msg contains "ERROR" ) then {
        action(
              broker=["10.13.88.190:9092","10.13.88.191:9092","10.13.88.192:9092","10.13.88.193:9092"]
              type="omkafka"
              topic="cms-nimg-s3-post-error"
              template="s3post"
              partitions.auto="on"
              )
      }
}
input(type="imfile"
      File="/data1/ms/comos/logs/s3q_daemon_0.err"
      Tag=""
      ruleset="s3post"
      freshStartTail="on"
      reopenOnTruncate="on"
    )
input(type="imfile"
      File="/data1/ms/comos/logs/s3q_daemon_1.err"
      Tag=""
      ruleset="s3post"
      freshStartTail="on"
      reopenOnTruncate="on"
    )
input(type="imfile"
      File="/data1/ms/comos/logs/s3q_daemon_2.err"
      Tag=""
      ruleset="s3post"
      freshStartTail="on"
      reopenOnTruncate="on"
    )

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