Module: OpenTelemetry::Resource::Detector::GoogleCloudPlatform

Extended by:
GoogleCloudPlatform
Included in:
GoogleCloudPlatform
Defined in:
lib/opentelemetry/resource/detector/google_cloud_platform.rb,
lib/opentelemetry/resource/detector/google_cloud_platform/version.rb

Overview

GoogleCloudPlatform contains detect class method for determining gcp environment resource attributes

Constant Summary collapse

VERSION = 
'0.1.1'

Instance Method Summary collapse

Instance Method Details

#detect ⇒ Object 



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# File 'lib/opentelemetry/resource/detector/google_cloud_platform.rb', line 16

def detect
  gcp_env = Google::Cloud::Env.new
  resource_attributes = {}

  if gcp_env.compute_engine?
    resource_attributes[OpenTelemetry::SemanticConventions::Resource::CLOUD_PROVIDER] = 'gcp'
    resource_attributes[OpenTelemetry::SemanticConventions::Resource::CLOUD_ACCOUNT_ID] = gcp_env.project_id
    resource_attributes[OpenTelemetry::SemanticConventions::Resource::CLOUD_REGION] = gcp_env.instance_attribute('cluster-location')
    resource_attributes[OpenTelemetry::SemanticConventions::Resource::CLOUD_AVAILABILITY_ZONE] = gcp_env.instance_zone

    resource_attributes[OpenTelemetry::SemanticConventions::Resource::HOST_ID] = gcp_env.lookup_metadata('instance', 'id')
    resource_attributes[OpenTelemetry::SemanticConventions::Resource::HOST_NAME] = ENV['HOSTNAME'] ||
                                                                                   gcp_env.lookup_metadata('instance', 'hostname') ||
                                                                                   safe_gethostname
  end

  if gcp_env.kubernetes_engine?
    resource_attributes[OpenTelemetry::SemanticConventions::Resource::K8S_CLUSTER_NAME] = gcp_env.instance_attribute('cluster-name')
    resource_attributes[OpenTelemetry::SemanticConventions::Resource::K8S_NAMESPACE_NAME] = gcp_env.kubernetes_engine_namespace_id
    resource_attributes[OpenTelemetry::SemanticConventions::Resource::K8S_POD_NAME] = ENV['HOSTNAME'] || safe_gethostname
    resource_attributes[OpenTelemetry::SemanticConventions::Resource::K8S_NODE_NAME] = gcp_env.lookup_metadata('instance', 'hostname')

    resource_attributes[OpenTelemetry::SemanticConventions::Resource::CONTAINER_NAME] = ENV.fetch('CONTAINER_NAME', nil)
  end

  if gcp_env.knative?
    resource_attributes[OpenTelemetry::SemanticConventions::Resource::CLOUD_PROVIDER] = 'gcp'
    resource_attributes[OpenTelemetry::SemanticConventions::Resource::CLOUD_ACCOUNT_ID] = gcp_env.project_id
    resource_attributes[OpenTelemetry::SemanticConventions::Resource::FAAS_NAME] = gcp_env.knative_service_id
    resource_attributes[OpenTelemetry::SemanticConventions::Resource::FAAS_VERSION] = gcp_env.knative_service_revision
    zone = gcp_env.instance_zone
    resource_attributes[OpenTelemetry::SemanticConventions::Resource::CLOUD_REGION] = get_region zone
    resource_attributes[OpenTelemetry::SemanticConventions::Resource::CLOUD_AVAILABILITY_ZONE] = zone
  end

  resource_attributes.delete_if { |_key, value| value.nil? || value.empty? }
  OpenTelemetry::SDK::Resources::Resource.create(resource_attributes)
end