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module Gitlab
module Prometheus
module AdditionalMetricsParser
extend self
def load_groups_from_yaml
additional_metrics_raw.map(&method(:group_from_entry))
end
private
def validate!(obj)
raise ParsingError.new(obj.errors.full_messages.join('\n')) unless obj.valid?
end
def group_from_entry(entry)
entry[:name] = entry.delete(:group)
entry[:metrics]&.map! do |entry|
Metric.new(entry).tap(&method(:validate!))
end
MetricGroup.new(entry).tap(&method(:validate!))
end
def additional_metrics_raw
load_yaml_file&.map(&:deep_symbolize_keys).freeze
end
def load_yaml_file
@loaded_yaml_file ||= YAML.load_file(Rails.root.join('config/prometheus/additional_metrics.yml'))
end
end
end
end
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