72 lines
1.7 KiB
Ruby
72 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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module Projects
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module Prometheus
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# Find Prometheus alerts by +project+, +environment+, +id+,
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# or any combo thereof.
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#
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# Optionally filter by +metric+.
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#
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# Arguments:
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# params:
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# project: Project | integer
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# environment: Environment | integer
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# metric: PrometheusMetric | integer
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class AlertsFinder
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def initialize(params = {})
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unless params[:project] || params[:environment] || params[:id]
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raise ArgumentError,
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'Please provide one or more of the following params: :project, :environment, :id'
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end
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@params = params
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end
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# Find all matching alerts
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#
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# @return [ActiveRecord::Relation<PrometheusAlert>]
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def execute
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relation = by_project(PrometheusAlert)
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relation = by_environment(relation)
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relation = by_metric(relation)
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relation = by_id(relation)
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relation = ordered(relation)
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relation
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end
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private
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attr_reader :params
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def by_project(relation)
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return relation unless params[:project]
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relation.for_project(params[:project])
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end
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def by_environment(relation)
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return relation unless params[:environment]
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relation.for_environment(params[:environment])
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end
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def by_metric(relation)
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return relation unless params[:metric]
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relation.for_metric(params[:metric])
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end
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def by_id(relation)
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return relation unless params[:id]
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relation.id_in(params[:id])
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end
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def ordered(relation)
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relation.order_by('id_asc')
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end
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end
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end
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end
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