mirror of
https://gitlab.com/gitlab-org/gitlab-foss.git
synced 2025-07-23 00:47:51 +00:00
c134a72cdb
+ Use NullMetrics to mock metrics when unused + Use method_missing in NullMetrics mocking + Update prometheus gem to version that correctly uses transitive dependencies + Ensure correct folders are used in Multiprocess prometheus client tests. + rename Sessions controller's metric
39 lines
906 B
Ruby
39 lines
906 B
Ruby
module Gitlab::HealthChecks
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class PrometheusText
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def marshal(metrics)
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metrics_with_type_declarations(metrics).join("\n")
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end
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private
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def metrics_with_type_declarations(metrics)
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type_declaration_added = {}
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metrics.flat_map do |metric|
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metric_lines = []
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unless type_declaration_added.has_key?(metric.name)
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type_declaration_added[metric.name] = true
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metric_lines << metric_type_declaration(metric)
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end
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metric_lines << metric_text(metric)
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end
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end
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def metric_type_declaration(metric)
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"# TYPE #{metric.name} gauge"
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end
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def metric_text(metric)
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labels = metric.labels&.map { |key, value| "#{key}=\"#{value}\"" }&.join(',') || ''
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if labels.empty?
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"#{metric.name} #{metric.value}"
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else
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"#{metric.name}{#{labels}} #{metric.value}"
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end
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end
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end
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end
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