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Contents
# frozen_string_literal: true
require_relative '../runtime/metrics'
require_relative '../worker'
require_relative 'async'
require_relative 'polling'
module Datadog
module Core
module Workers
# Emits runtime metrics asynchronously on a timed loop
class RuntimeMetrics < Worker
include Workers::Polling
# In seconds
DEFAULT_FLUSH_INTERVAL = 10
DEFAULT_BACK_OFF_MAX = 30
attr_reader \
:metrics
def initialize(options = {})
@metrics = options.fetch(:metrics) { Core::Runtime::Metrics.new }
# Workers::Async::Thread settings
self.fork_policy = options.fetch(:fork_policy, Workers::Async::Thread::FORK_POLICY_STOP)
# Workers::IntervalLoop settings
self.loop_base_interval = options.fetch(:interval, DEFAULT_FLUSH_INTERVAL)
self.loop_back_off_ratio = options[:back_off_ratio] if options.key?(:back_off_ratio)
self.loop_back_off_max = options.fetch(:back_off_max, DEFAULT_BACK_OFF_MAX)
self.enabled = options.fetch(:enabled, false)
end
def perform
metrics.flush
true
end
def register_service(service)
# Start the worker
metrics.register_service(service).tap { perform }
end
# TODO: `close_metrics` is only needed because
# Datadog::Core::Configuration::Components directly manipulates
# the lifecycle of Runtime::Metrics.statsd instances.
# This should be avoided, as it prevents this class from
# ensuring correct resource decommission of its internal
# dependencies.
def stop(*args, close_metrics: true)
self.enabled = false
result = super(*args)
@metrics.close if close_metrics
result
end
end
end
end
end
Version data entries
38 entries across 38 versions & 2 rubygems