2017-06-06 14:07:33 +00:00
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module Gitlab
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module Prometheus
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module Queries
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module QueryAdditionalMetrics
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def query_metrics(query_context)
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query_processor = method(:process_query).curry[query_context]
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groups = matched_metrics.map do |group|
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metrics = group.metrics.map do |metric|
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{
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title: metric.title,
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weight: metric.weight,
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y_label: metric.y_label,
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queries: metric.queries.map(&query_processor).select(&method(:query_with_result))
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}
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end
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{
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group: group.name,
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priority: group.priority,
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metrics: metrics.select(&method(:metric_with_any_queries))
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}
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end
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groups.select(&method(:group_with_any_metrics))
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end
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private
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def metric_with_any_queries(metric)
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metric[:queries]&.count&.> 0
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end
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def group_with_any_metrics(group)
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group[:metrics]&.count&.> 0
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end
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def query_with_result(query)
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query[:result]&.any? do |item|
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2017-06-08 10:29:53 +00:00
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item&.[]('values')&.any? || item&.[]('value')&.any?
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2017-06-06 14:07:33 +00:00
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end
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end
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def process_query(context, query)
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query_with_result = query.dup
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query_with_result[:result] =
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2017-06-07 10:41:06 +00:00
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if query.key?(:query_range)
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2017-06-06 14:07:33 +00:00
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client_query_range(query[:query_range] % context, start: context[:timeframe_start], stop: context[:timeframe_end])
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else
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client_query(query[:query] % context, time: context[:timeframe_end])
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end
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query_with_result
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end
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def available_metrics
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@available_metrics ||= client_label_values || []
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end
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def matched_metrics
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result = Gitlab::Prometheus::MetricGroup.all.map do |group|
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group.metrics.select! do |metric|
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metric.required_metrics.all?(&available_metrics.method(:include?))
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end
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group
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end
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result.select { |group| group.metrics.any? }
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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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