Module: OpenTelemetry::Resource::Detector::Container

Extended by:
Container
Included in:
Container
Defined in:
lib/opentelemetry/resource/detector/container.rb,
lib/opentelemetry/resource/detector/container/version.rb

Overview

Container contains detect class method for determining container resource attributes

Constant Summary collapse

UUID_PATTERN = 
'[0-9a-f]{8}[-_]?[0-9a-f]{4}[-_]?[0-9a-f]{4}[-_]?[0-9a-f]{4}[-_]?[0-9a-f]{12}'
CONTAINER_PATTERN = 
'[0-9a-f]{64}'
CONTAINER_REGEX = 
/(?<container>#{UUID_PATTERN}|#{CONTAINER_PATTERN})(?:.scope)?$/
CGROUP_V1_PATH = 
'/proc/self/cgroup'
CGROUP_V2_PATH = 
'/proc/self/mountinfo'
VERSION = 
'0.1.2'

Instance Method Summary collapse

Instance Method Details

#detect ⇒ OpenTelemetry::SDK::Resources::Resource

Detects container attributes and creates a SDK::Resources::Resource with the specified attributes. If no container attributes could be determined an empty resource is returned

Returns:

  • (OpenTelemetry::SDK::Resources::Resource) 


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# File 'lib/opentelemetry/resource/detector/container.rb', line 24

def detect
  id = container_id
  resource_attributes = {}

  resource_attributes[OpenTelemetry::SemanticConventions::Resource::CONTAINER_ID] = id unless id.nil?
  resource_attributes.delete_if { |_key, value| value.nil? || value.empty? }
  OpenTelemetry::SDK::Resources::Resource.create(resource_attributes)
end