Trouble with exec output plugin

Elastic Stack Logstash
1

I'm trying to get started with the exec output plugin but nothing i try seems to work. I currently have just the simplest config setting possible for it:

output {
#  stdout { codec => rubydebug }                                                                                                            
  exec => {
    command => "ls"
  }
}

and it still gives me this error:

[2018-02-17T18:57:39,728][ERROR][logstash.agent ] Failed to execute action {:action=>LogStash::PipelineAction::Create/pipeline_id:main, :exception=>"LogStash::ConfigurationError", :message=>"Expected one of #, { at line 18, column 8 (byte 328) after output {\n# stdout { codec => rubydebug }\n exec ", :backtrace=>["/usr/share/logstash/logstash-core/lib/logstash/compiler.rb:42:incompile_imperative'", "/usr/share/logstash/logstash-core/lib/logstash/compiler.rb:50:in compile_graph'", "/usr/share/logstash/logstash-core/lib/logstash/compiler.rb:12:inblock in compile_sources'", "org/jruby/RubyArray.java:2486:in map'", "/usr/share/logstash/logstash-core/lib/logstash/compiler.rb:11:incompile_sources'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:51:in initialize'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:169:ininitialize'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline_action/create.rb:40:in execute'", "/usr/share/logstash/logstash-core/lib/logstash/agent.rb:315:inblock in converge_state'", "/usr/share/logstash/logstash-core/lib/logstash/agent.rb:141:in with_pipelines'", "/usr/share/logstash/logstash-core/lib/logstash/agent.rb:312:inblock in converge_state'", "org/jruby/RubyArray.java:1734:in each'", "/usr/share/logstash/logstash-core/lib/logstash/agent.rb:299:inconverge_state'", "/usr/share/logstash/logstash-core/lib/logstash/agent.rb:166:in block in converge_state_and_update'", "/usr/share/logstash/logstash-core/lib/logstash/agent.rb:141:inwith_pipelines'", "/usr/share/logstash/logstash-core/lib/logstash/agent.rb:164:in converge_state_and_update'", "/usr/share/logstash/logstash-core/lib/logstash/agent.rb:90:inexecute'", "/usr/share/logstash/logstash-core/lib/logstash/runner.rb:348:in block in execute'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/stud-0.0.23/lib/stud/task.rb:24:inblock in initialize'"]}`

which I can't understand at all.

2

You have one => too many. See the example in the documentation.

3

Ah, I thought I was taking crazy pills. Thanks!

4

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