110 lines
3.6 KiB
Ruby
110 lines
3.6 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Metrics
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module Dashboard
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module Importers
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class PrometheusMetrics
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ALLOWED_ATTRIBUTES = %i(title query y_label unit legend group dashboard_path).freeze
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# Takes a JSON schema validated dashboard hash and
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# imports metrics to database
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def initialize(dashboard_hash, project:, dashboard_path:)
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@dashboard_hash = dashboard_hash
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@project = project
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@dashboard_path = dashboard_path
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@affected_environment_ids = []
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end
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def execute
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import
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rescue ActiveRecord::RecordInvalid, Dashboard::Transformers::Errors::BaseError
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false
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end
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def execute!
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import
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end
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private
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attr_reader :dashboard_hash, :project, :dashboard_path
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def import
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delete_stale_metrics
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create_or_update_metrics
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update_prometheus_environments
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def create_or_update_metrics
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# TODO: use upsert and worker for callbacks?
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affected_metric_ids = []
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prometheus_metrics_attributes.each do |attributes|
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prometheus_metric = PrometheusMetric.find_or_initialize_by(attributes.slice(:dashboard_path, :identifier, :project))
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prometheus_metric.update!(attributes.slice(*ALLOWED_ATTRIBUTES))
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affected_metric_ids << prometheus_metric.id
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end
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@affected_environment_ids += find_alerts(affected_metric_ids).get_environment_id
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end
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# rubocop: enable CodeReuse/ActiveRecord
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def delete_stale_metrics
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identifiers_from_yml = prometheus_metrics_attributes.map { |metric_attributes| metric_attributes[:identifier] }
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stale_metrics = PrometheusMetric.for_project(project)
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.for_dashboard_path(dashboard_path)
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.for_group(Enums::PrometheusMetric.groups[:custom])
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.not_identifier(identifiers_from_yml)
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return unless stale_metrics.exists?
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delete_stale_alerts(stale_metrics)
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stale_metrics.each_batch { |batch| batch.delete_all }
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end
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def delete_stale_alerts(stale_metrics)
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stale_alerts = find_alerts(stale_metrics)
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affected_environment_ids = stale_alerts.get_environment_id
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return unless affected_environment_ids.present?
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@affected_environment_ids += affected_environment_ids
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stale_alerts.each_batch { |batch| batch.delete_all }
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end
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def find_alerts(metrics)
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Projects::Prometheus::AlertsFinder.new(project: project, metric: metrics).execute
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end
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def prometheus_metrics_attributes
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@prometheus_metrics_attributes ||= begin
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Dashboard::Transformers::Yml::V1::PrometheusMetrics.new(
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dashboard_hash,
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project: project,
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dashboard_path: dashboard_path
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).execute
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end
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end
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def update_prometheus_environments
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affected_environments = ::Environment.for_id(@affected_environment_ids.flatten.uniq).for_project(project)
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return unless affected_environments.exists?
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affected_environments.each do |affected_environment|
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::Clusters::Applications::ScheduleUpdateService.new(
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affected_environment.cluster_prometheus_adapter,
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project
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).execute
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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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end
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end
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