sample logstash config for rails log line

config

input {
  stdin {
    type => rails
  }
}

filter {
  grok {
    type => "rails"
    pattern => "Completed %{GREEDYDATA:operation} in %{NUMBER:time:int}ms"
  }
}

output {
  stdout {
    debug => true
  }
}

input

Completed foo bar in 54ms

output

{
         "@source" => "stdin://carrera.databits.net/",
           "@type" => "rails",
           "@tags" => [],
         "@fields" => {
        "operation" => [
            [0] "foo bar"
        ],
             "time" => [
            [0] 54
        ]
    },
      "@timestamp" => "2012-03-06T14:43:56.764000Z",
    "@source_host" => "carrera.databits.net",
    "@source_path" => "/",
        "@message" => "Completed foo bar in 54ms"
}