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module Gitlab::Prometheus
class Metric
attr_reader :group, :title, :required_metrics, :weight, :y_label, :queries
def initialize(title, required_metrics, weight, y_label, queries = [])
@title = title
@required_metrics = required_metrics
@weight = weight
@y_label = y_label || 'Values'
@queries = queries
end
def self.metric_from_entry(entry)
missing_fields = [:title, :required_metrics, :weight, :queries].select { |key| !entry.has_key?(key) }
raise ParsingError.new("entry missing required fields #{missing_fields}") unless missing_fields.empty?
Metric.new(entry[:title], entry[:required_metrics], entry[:weight], entry[:y_label], entry[:queries])
end
def self.metrics_from_list(list)
list.map { |entry| metric_from_entry(entry) }
end
end
end
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