46 lines
1.2 KiB
Ruby
46 lines
1.2 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Prometheus
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module AdditionalMetricsParser
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CONFIG_ROOT = 'config/prometheus'
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MUTEX = Mutex.new
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extend self
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def load_groups_from_yaml(file_name)
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yaml_metrics_raw(file_name).map(&method(:group_from_entry))
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end
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private
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def validate!(obj)
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raise ParsingError.new(obj.errors.full_messages.join('\n')) unless obj.valid?
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end
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def group_from_entry(entry)
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entry[:name] = entry.delete(:group)
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entry[:metrics]&.map! do |entry|
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Metric.new(entry).tap(&method(:validate!))
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end
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MetricGroup.new(entry).tap(&method(:validate!))
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end
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def yaml_metrics_raw(file_name)
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load_yaml_file(file_name)&.map(&:deep_symbolize_keys).freeze
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end
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# rubocop:disable Gitlab/ModuleWithInstanceVariables
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def load_yaml_file(file_name)
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return YAML.load_file(Rails.root.join(CONFIG_ROOT, file_name)) if Rails.env.development?
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MUTEX.synchronize do
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@loaded_yaml_cache ||= {}
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@loaded_yaml_cache[file_name] ||= YAML.load_file(Rails.root.join(CONFIG_ROOT, file_name))
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end
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end
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# rubocop:enable Gitlab/ModuleWithInstanceVariables
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end
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end
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end
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