module Method::Tracer

Public Class Methods

active_span() click to toggle source
# File lib/method/tracer.rb, line 20
def active_span
  @active_span
end
configure(tracer: OpenTracing.global_tracer, active_span: nil) click to toggle source
# File lib/method/tracer.rb, line 24
def configure(tracer: OpenTracing.global_tracer, active_span: nil)
  @tracer = tracer
  @active_span = active_span
end
extended(klazz) click to toggle source
# File lib/method/tracer.rb, line 12
def extended(klazz)
  klazz.extend(ClassMethods)
end
included(klazz) click to toggle source
# File lib/method/tracer.rb, line 8
def included(klazz)
  klazz.extend(ClassMethods)
end
method_tracer() click to toggle source
# File lib/method/tracer.rb, line 16
def method_tracer
  @tracer || (raise ConfigError.new("Please configure the tracer using Method::Tracer.configure method"))
end
trace(operation_name, tracer: method_tracer, **args) { |current_span| ... } click to toggle source
# File lib/method/tracer.rb, line 29
def trace(operation_name, tracer: method_tracer, **args,  &block)
  parent_span = args.include?(:child_of) ? args[:child_of] : active_span
  args[:child_of] = parent_span.respond_to?(:call) ? parent_span.call : parent_span

  current_span = tracer.start_span(operation_name, **args)

  yield current_span
rescue Exception => e
  if current_span
    current_span.set_tag('error', true)
    current_span.log(event: 'error', :'error.object' => e)
  end
  raise
ensure
  current_span.finish if current_span
end
trace_method(klazz, method_name, **args, &block) click to toggle source
# File lib/method/tracer.rb, line 46
def trace_method(klazz, method_name, **args, &block)
  trace("#{klazz.to_s}##{method_name.to_s}", **args, &block)
end