Class: ClearSkies::AWS::CloudWatch::ElasticBeanstalkGauge

Inherits:
Gauge
  • Object
show all
Defined in:
lib/clear_skies/aws/cloud_watch/elastic_beanstalk_gauge.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Gauge

#aws_metrics, cloudwatch_client, #metrics, register

Constructor Details

#initialize(metric_name, dimension, statistics, description: nil, &block) ⇒ ElasticBeanstalkGauge

Returns a new instance of ElasticBeanstalkGauge.



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# File 'lib/clear_skies/aws/cloud_watch/elastic_beanstalk_gauge.rb', line 8

def initialize(metric_name, dimension, statistics, description: nil, &block)
  super("AWS/ElasticBeanstalk", metric_name, dimension, statistics, description: description, &block)
end

Class Method Details

.beanstalk_client ⇒ Object 



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# File 'lib/clear_skies/aws/cloud_watch/elastic_beanstalk_gauge.rb', line 5

def self.beanstalk_client
  @beanstalk_client ||= ::Aws::ElasticBeanstalk::Client.new
end

Instance Method Details

#application_name(environment_name) ⇒ Object 



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# File 'lib/clear_skies/aws/cloud_watch/elastic_beanstalk_gauge.rb', line 12

def application_name(environment_name)
  ElasticBeanstalkGauge.beanstalk_client.describe_environments({environment_names: [environment_name] }).environments.first&.application_name
end

#labels_from_metric(metric) ⇒ Object 



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# File 'lib/clear_skies/aws/cloud_watch/elastic_beanstalk_gauge.rb', line 24

def labels_from_metric(metric)
  labels = super(metric)

  if labels.has_key?( "environment_name") && !(Rails.cache.fetch("#{labels["environment_name"]}_skip"))
    application_name = Rails.cache.fetch("#{labels["environment_name"]}_application_name", expires_in: 1.hour) do
      application_name(labels["environment_name"])
    end
    if application_name
      labels["application_name"] =  application_name

      labels["vpc_id"] = Rails.cache.fetch("#{labels["environment_name"]}_vpc_id_") do
        vpc_id(labels["application_name"], labels["environment_name"])
      end
    end
  else
    Rails.cache.write("#{labels["environment_name"]}_skip", true, expires_in: 1.hour, race_condition_ttl: 60.seconds)
  end

  return labels
end

#vpc_id(application_name, environment_name) ⇒ Object 



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# File 'lib/clear_skies/aws/cloud_watch/elastic_beanstalk_gauge.rb', line 16

def vpc_id(application_name, environment_name)
  config = ElasticBeanstalkGauge.beanstalk_client.describe_configuration_settings({ application_name: application_name, environment_name: environment_name }).
      configuration_settings.find { |config| config.application_name == application_name && config.environment_name == environment_name}
  option =  config.option_settings.find { |option| option.namespace == "aws:ec2:vpc" && option.option_name == "VPCId"}
  option.value if option
end