Class: NewRelic::Agent::Utilization::Vendor

Inherits:
Object
  • Object
show all
Defined in:
lib/new_relic/agent/utilization/vendor.rb

Direct Known Subclasses

AWS, Azure, GCP, PCF

Constant Summary collapse

SUCCESS = 
'200'.freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Vendor

Returns a new instance of Vendor.



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# File 'lib/new_relic/agent/utilization/vendor.rb', line 45

def initialize
  @metadata = {}
end

Instance Attribute Details

#metadata ⇒ Object (readonly)

Returns the value of attribute metadata.



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# File 'lib/new_relic/agent/utilization/vendor.rb', line 43

def metadata
  @metadata
end

Class Method Details

.endpoint(endpoint = nil) ⇒ Object 



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# File 'lib/new_relic/agent/utilization/vendor.rb', line 16

def endpoint(endpoint = nil)
  endpoint ? @endpoint = URI(endpoint) : @endpoint
end

.headers(headers = nil) ⇒ Object 



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# File 'lib/new_relic/agent/utilization/vendor.rb', line 20

def headers(headers = nil)
  headers ? @headers = headers.freeze : processed_headers
end

.key_transforms(key_transforms = nil) ⇒ Object 



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# File 'lib/new_relic/agent/utilization/vendor.rb', line 28

def key_transforms(key_transforms = nil)
  key_transforms ? @key_transforms = Array(key_transforms).freeze : @key_transforms
end

.keys(keys = nil) ⇒ Object 



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# File 'lib/new_relic/agent/utilization/vendor.rb', line 24

def keys(keys = nil)
  keys ? @keys = keys.freeze : @keys
end

.processed_headers ⇒ Object 



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# File 'lib/new_relic/agent/utilization/vendor.rb', line 32

def processed_headers
  return unless @headers

  @headers.each_with_object({}) do |(key, value), processed_hash|
    # Header lambdas are expected to return string values. If nil comes back, replace it with :error
    # to signify that the call failed.
    processed_hash[key] = value.class.eql?(Proc) ? value.call || :error : value
  end
end

.vendor_name(vendor_name = nil) ⇒ Object 



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# File 'lib/new_relic/agent/utilization/vendor.rb', line 12

def vendor_name(vendor_name = nil)
  vendor_name ? @vendor_name = vendor_name.freeze : @vendor_name
end

Instance Method Details

#detect ⇒ Object 



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# File 'lib/new_relic/agent/utilization/vendor.rb', line 55

def detect
  response = request_metadata
  return false unless response

  begin
    if response.code == SUCCESS
      process_response(prepare_response(response))
    else
      false
    end
  rescue => e
    NewRelic::Agent.logger.error("Error occurred detecting: #{vendor_name}", e)
    record_supportability_metric
    false
  end
end