Class: Monitoring::PrometheusMonitoringRegistry

Inherits:
BaseMonitoringRegistry show all
Defined in:
lib/fluent/plugin/monitoring.rb

Overview

Prometheus implementation of the monitoring registry, that uses the default registry in the official Prometheus client library.

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from BaseMonitoringRegistry

#export

Constructor Details

#initialize(_project_id, _monitored_resource) ⇒ PrometheusMonitoringRegistry

Returns a new instance of PrometheusMonitoringRegistry.



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# File 'lib/fluent/plugin/monitoring.rb', line 70

def initialize(_project_id, _monitored_resource)
  super
  require 'prometheus/client'
  @registry = Prometheus::Client.registry
end

Class Method Details

.name ⇒ Object 



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# File 'lib/fluent/plugin/monitoring.rb', line 66

def self.name
  'prometheus'
end

Instance Method Details

#counter(name, labels, docstring) ⇒ Object

Exception-driven behavior to avoid synchronization errors.



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# File 'lib/fluent/plugin/monitoring.rb', line 77

def counter(name, labels, docstring)
  return PrometheusCounter.new(@registry.counter(name, docstring, labels))
rescue Prometheus::Client::Registry::AlreadyRegisteredError
  return PrometheusCounter.new(@registry.get(name))
end