72 lines
1.9 KiB
Ruby
72 lines
1.9 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Metrics
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module Methods
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class MetricOptions
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def initialize(options = {})
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@multiprocess_mode = options[:multiprocess_mode] || :all
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@buckets = options[:buckets] || ::Prometheus::Client::Histogram::DEFAULT_BUCKETS
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@docstring = options[:docstring]
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@with_feature = options[:with_feature]
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@label_keys = options[:label_keys] || []
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end
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# Documentation describing metric in metrics endpoint '/-/metrics'
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def docstring(docstring = nil)
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@docstring = docstring unless docstring.nil?
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@docstring
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end
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# Gauge aggregation mode for multiprocess metrics
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# - :all (default) returns each gauge for every process
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# - :livesum all process'es gauges summed up
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# - :max maximum value of per process gauges
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# - :min minimum value of per process gauges
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def multiprocess_mode(mode = nil)
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@multiprocess_mode = mode unless mode.nil?
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@multiprocess_mode
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end
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# Measurement buckets for histograms
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def buckets(buckets = nil)
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@buckets = buckets unless buckets.nil?
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@buckets
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end
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# Base labels are merged with per metric labels
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def base_labels
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@base_labels ||= @label_keys.product([nil]).to_h
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@base_labels
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end
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def label_keys(label_keys = nil)
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unless label_keys.nil?
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@label_keys = label_keys
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@base_labels = nil
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end
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@label_keys
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end
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# Use feature toggle to control whether certain metric is enabled/disabled
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def with_feature(name = nil)
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@with_feature = name unless name.nil?
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@with_feature
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end
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def evaluate(&block)
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instance_eval(&block) if block_given?
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self
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end
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end
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end
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end
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end
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