57 lines
1.5 KiB
Ruby
57 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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module PrometheusAdapter
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extend ActiveSupport::Concern
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included do
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include ReactiveCaching
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self.reactive_cache_key = ->(adapter) { [adapter.class.model_name.singular, adapter.id] }
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self.reactive_cache_lease_timeout = 30.seconds
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self.reactive_cache_refresh_interval = 30.seconds
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self.reactive_cache_lifetime = 1.minute
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def prometheus_client
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raise NotImplementedError
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end
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def prometheus_client_wrapper
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Gitlab::PrometheusClient.new(prometheus_client)
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end
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def can_query?
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prometheus_client.present?
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end
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def query(query_name, *args)
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return unless can_query?
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query_class = query_klass_for(query_name)
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query_args = build_query_args(*args)
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with_reactive_cache(query_class.name, *query_args, &query_class.method(:transform_reactive_result))
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end
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# Cache metrics for specific environment
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def calculate_reactive_cache(query_class_name, *args)
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return unless prometheus_client
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data = Kernel.const_get(query_class_name).new(prometheus_client_wrapper).query(*args)
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{
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success: true,
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data: data,
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last_update: Time.now.utc
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}
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rescue Gitlab::PrometheusClient::Error => err
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{ success: false, result: err.message }
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end
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def query_klass_for(query_name)
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Gitlab::Prometheus::Queries.const_get("#{query_name.to_s.classify}Query")
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end
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def build_query_args(*args)
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args.map(&:id)
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end
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end
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end
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