Class: Instana::Mongo

Inherits:
Object
  • Object
show all
Defined in:
lib/instana/instrumentation/mongo.rb

Constant Summary collapse

REMOVED_COMMAND_ELEMENTS = 
%w[lsid $db documents].freeze

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Mongo

Returns a new instance of Mongo.



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# File 'lib/instana/instrumentation/mongo.rb', line 8

def initialize
  @requests = {}
end

Instance Method Details

#failed(event) ⇒ Object 



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# File 'lib/instana/instrumentation/mongo.rb', line 26

def failed(event)
  span = @requests.delete(event.request_id)
  span.record_exception(Exception.new(event.message))

  span.finish
end

#started(event) ⇒ Object 



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# File 'lib/instana/instrumentation/mongo.rb', line 12

def started(event)
  tags = {
    namespace: event.database_name,
    command: event.command_name,
    peer: {
      hostname: event.address.host,
      port: event.address.port
    },
    json: filter_statement(event.command)
  }

  @requests[event.request_id] = ::Instana.tracer.start_span(:mongo, attributes: {mongo: tags})
end

#succeeded(event) ⇒ Object 



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# File 'lib/instana/instrumentation/mongo.rb', line 33

def succeeded(event)
  span = @requests.delete(event.request_id)
  span.finish
end