153 lines
4.2 KiB
Ruby
153 lines
4.2 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Usage
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class MetricDefinition
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METRIC_SCHEMA_PATH = Rails.root.join('config', 'metrics', 'schema.json')
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SKIP_VALIDATION_STATUS = 'removed'
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AVAILABLE_STATUSES = %w[active broken].to_set.freeze
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VALID_SERVICE_PING_STATUSES = %w[active broken].to_set.freeze
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InvalidError = Class.new(RuntimeError)
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attr_reader :path
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attr_reader :attributes
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def initialize(path, opts = {})
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@path = path
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@attributes = opts
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end
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def key
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key_path
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end
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def to_h
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attributes
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end
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def json_schema
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return unless has_json_schema?
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@json_schema ||= Gitlab::Json.parse(File.read(json_schema_path))
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end
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def json_schema_path
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return '' unless has_json_schema?
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Rails.root.join(attributes[:value_json_schema])
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end
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def has_json_schema?
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attributes[:value_type] == 'object' && attributes[:value_json_schema].present?
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end
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def validate!
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unless skip_validation?
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self.class.schemer.validate(attributes.stringify_keys).each do |error|
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error_message = <<~ERROR_MSG
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Error type: #{error['type']}
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Data: #{error['data']}
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Path: #{error['data_pointer']}
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Details: #{error['details']}
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Metric file: #{path}
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ERROR_MSG
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Gitlab::ErrorTracking.track_and_raise_for_dev_exception(InvalidError.new(error_message))
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end
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end
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end
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def category_to_lowercase
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attributes[:data_category]&.downcase!
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end
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def available?
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AVAILABLE_STATUSES.include?(attributes[:status])
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end
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def valid_service_ping_status?
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VALID_SERVICE_PING_STATUSES.include?(attributes[:status])
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end
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alias_method :to_dictionary, :to_h
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class << self
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def paths
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@paths ||= [Rails.root.join('config', 'metrics', '[^agg]*', '*.yml')]
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end
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def definitions(skip_validation: false)
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@skip_validation = skip_validation
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@definitions ||= load_all!
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end
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def all
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@all ||= definitions.map { |_key_path, definition| definition }
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end
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def not_removed
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all.select { |definition| definition.attributes[:status] != 'removed' }.index_by(&:key_path)
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end
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def with_instrumentation_class
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all.select { |definition| definition.attributes[:instrumentation_class].present? && definition.available? }
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end
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def schemer
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@schemer ||= ::JSONSchemer.schema(Pathname.new(METRIC_SCHEMA_PATH))
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end
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def dump_metrics_yaml
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@metrics_yaml ||= definitions.values.map(&:to_h).map(&:deep_stringify_keys).to_yaml
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end
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private
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def load_all!
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paths.each_with_object({}) do |glob_path, definitions|
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load_all_from_path!(definitions, glob_path)
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end
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end
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def load_from_file(path)
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definition = File.read(path)
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definition = YAML.safe_load(definition)
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definition.deep_symbolize_keys!
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self.new(path, definition).tap(&:validate!).tap(&:category_to_lowercase)
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rescue StandardError => e
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Gitlab::ErrorTracking.track_and_raise_for_dev_exception(InvalidError.new(e.message))
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end
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def load_all_from_path!(definitions, glob_path)
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Dir.glob(glob_path).each do |path|
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definition = load_from_file(path)
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if previous = definitions[definition.key]
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Gitlab::ErrorTracking.track_and_raise_for_dev_exception(InvalidError.new("Metric '#{definition.key}' is already defined in '#{previous.path}'"))
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end
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definitions[definition.key] = definition
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end
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end
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end
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private
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def method_missing(method, *args)
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attributes[method] || super
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end
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def respond_to_missing?(method, *args)
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attributes[method].present? || super
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end
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def skip_validation?
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!!attributes[:skip_validation] || @skip_validation || attributes[:status] == SKIP_VALIDATION_STATUS
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end
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end
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end
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end
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Gitlab::Usage::MetricDefinition.prepend_mod_with('Gitlab::Usage::MetricDefinition')
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