Я пытался следующее регулярное выражение в logstash.config
извлечь часть строки из поля,logstash RegexpError: недопустимый символ в названии группы
{
"_index": "logstash-2016.08.09",
"_type": "log",
"_id": "AVZvz2ix",
"_score": null,
"_source": {
"message": "function_name~execute||line_no~128||debug_message~id was not found",
"@version": "1",
"@timestamp": "2016-08-09T14:57:00.147Z",
"beat": {
"hostname": "coredev",
"name": "coredev"
},
"count": 1,
"fields": null,
"input_type": "log",
"offset": 22299196,
"source": "/project_root/project_1/log/core.log",
"type": "log",
"host": "coredev",
"tags": [
"beats_input_codec_plain_applied"
]
},
"fields": {
"@timestamp": [
1470754620147
]
},
"sort": [
1470754620147
]
}
Например, извлечение core.log
из "source": "/project_root/project_1/log/core.log"
.
filter {
grok {
match => ["source", "/(?<[@metadata][log_type]>[^/]+)$"]
}
}
но получил ошибку,
{:timestamp=>"2016-08-16T10:09:41.352000+0000", :message=>"Pipeline aborted due to error", :exception=>#<RegexpError: invalid char in group name <[@metadata][log_type]>: /\/(?<[@metadata][log_type]>[^\/]+)$/m>, :backtrace=>["org/jruby/RubyRegexp.java:1434:in `initialize'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/jls-grok-0.11.2/lib/grok-pure.rb:127:in `compile'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-filter-grok-2.0.5/lib/logstash/filters/grok.rb:264:in `register'", "org/jruby/RubyArray.java:1613:in `each'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-filter-grok-2.0.5/lib/logstash/filters/grok.rb:259:in `register'", "org/jruby/RubyHash.java:1342:in `each'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-filter-grok-2.0.5/lib/logstash/filters/grok.rb:255:in `register'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/pipeline.rb:182:in `start_workers'", "org/jruby/RubyArray.java:1613:in `each'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/pipeline.rb:182:in `start_workers'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/pipeline.rb:136:in `run'", "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-2.3.4-java/lib/logstash/agent.rb:473:in `start_pipeline'"], :level=>:error}
Что случилось с регулярным выражением?