Class: ScoutApm::AppServerLoad

Inherits:
Object
  • Object
show all
Defined in:
lib/scout_apm/app_server_load.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(context) ⇒ AppServerLoad

Returns a new instance of AppServerLoad.



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# File 'lib/scout_apm/app_server_load.rb', line 6

def initialize(context)
  @context = context
  @logger = context.logger
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/scout_apm/app_server_load.rb', line 4

def context
  @context
end

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'lib/scout_apm/app_server_load.rb', line 3

def logger
  @logger
end

Instance Method Details

#data ⇒ Object 



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# File 'lib/scout_apm/app_server_load.rb', line 31

def data
  { 
    :language           => 'ruby',
    :language_version   => RUBY_VERSION,
    :ruby_version       => RUBY_VERSION, # Deprecated.

    :framework          => to_s_safe(environment.framework_integration.human_name),
    :framework_version  => to_s_safe(environment.framework_integration.version),

    :server_time        => to_s_safe(Time.now),
    :environment        => to_s_safe(environment.framework_integration.env),
    :app_server         => to_s_safe(environment.app_server),
    :hostname           => to_s_safe(environment.hostname),
    :database_engine    => to_s_safe(environment.database_engine),      # Detected
    :database_adapter   => to_s_safe(environment.raw_database_adapter), # Raw
    :application_name   => to_s_safe(environment.application_name),
    :libraries          => ScoutApm::Utils::InstalledGems.new(context).run,
    :paas               => to_s_safe(environment.platform_integration.name),
    :git_sha            => to_s_safe(environment.git_revision.sha)
  }
ensure
  # Sometimes :database_engine and :database_adapter can cause a reference to an AR connection.
  # Make sure we release all AR connections held by this thread.
  ActiveRecord::Base.clear_active_connections! if Utils::KlassHelper.defined?("ActiveRecord::Base")
end

#environment ⇒ Object 



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# File 'lib/scout_apm/app_server_load.rb', line 67

def environment
  context.environment
end

#run ⇒ Object 



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# File 'lib/scout_apm/app_server_load.rb', line 11

def run
  @thread = Thread.new do
    begin
      logger.info "Sending Application Startup Info - App Server: #{data[:app_server]}, Framework: #{data[:framework]}, Framework Version: #{data[:framework_version]}, Database Engine: #{data[:database_engine]}"
      logger.debug("Full Application Startup Info: #{data.inspect}")

      payload = ScoutApm::Serializers::AppServerLoadSerializer.serialize(data)
      reporter = Reporter.new(context, :app_server_load)
      reporter.report(payload)

      logger.debug("Finished sending Startup Info")
    rescue => e
      logger.info("Failed Sending Application Startup Info - #{e.message}")
      logger.debug(e.backtrace.join("\t\n"))
    end
  end
rescue => e
  logger.debug("Failed Startup Info - #{e.message} \n\t#{e.backtrace.join("\t\n")}")
end

#to_s_safe(obj) ⇒ Object

Calls ‘.to_s` on the object passed in. Returns literal string ’to_s error’ if the object does not respond to .to_s



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# File 'lib/scout_apm/app_server_load.rb', line 59

def to_s_safe(obj)
  if obj.respond_to?(:to_s)
    obj.to_s
  else
    'to_s error'
  end
end