116 lines
2.9 KiB
Ruby
116 lines
2.9 KiB
Ruby
# frozen_string_literal: true
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module AlertManagement
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class ProcessPrometheusAlertService < BaseService
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include Gitlab::Utils::StrongMemoize
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def execute
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return bad_request unless parsed_alert.valid?
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process_alert_management_alert
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ServiceResponse.success
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end
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private
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delegate :firing?, :resolved?, :gitlab_fingerprint, :ends_at, to: :parsed_alert
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def parsed_alert
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strong_memoize(:parsed_alert) do
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Gitlab::Alerting::Alert.new(project: project, payload: params)
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end
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end
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def process_alert_management_alert
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process_firing_alert_management_alert if firing?
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process_resolved_alert_management_alert if resolved?
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end
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def process_firing_alert_management_alert
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if am_alert.present?
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am_alert.register_new_event!
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reset_alert_management_alert_status
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else
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create_alert_management_alert
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end
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process_incident_alert
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end
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def reset_alert_management_alert_status
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return if am_alert.trigger
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logger.warn(
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message: 'Unable to update AlertManagement::Alert status to triggered',
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project_id: project.id,
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alert_id: am_alert.id
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)
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end
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def create_alert_management_alert
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new_alert = AlertManagement::Alert.new(am_alert_params.merge(ended_at: nil))
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if new_alert.save
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new_alert.execute_services
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@am_alert = new_alert
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return
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end
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logger.warn(
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message: 'Unable to create AlertManagement::Alert',
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project_id: project.id,
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alert_errors: new_alert.errors.messages
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)
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end
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def am_alert_params
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Gitlab::AlertManagement::AlertParams.from_prometheus_alert(project: project, parsed_alert: parsed_alert)
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end
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def process_resolved_alert_management_alert
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return if am_alert.blank?
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if am_alert.resolve(ends_at)
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close_issue(am_alert.issue)
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return
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end
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logger.warn(
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message: 'Unable to update AlertManagement::Alert status to resolved',
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project_id: project.id,
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alert_id: am_alert.id
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)
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end
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def close_issue(issue)
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return if issue.blank? || issue.closed?
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Issues::CloseService
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.new(project, User.alert_bot)
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.execute(issue, system_note: false)
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SystemNoteService.auto_resolve_prometheus_alert(issue, project, User.alert_bot) if issue.reset.closed?
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end
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def process_incident_alert
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return unless am_alert
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return if am_alert.issue
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IncidentManagement::ProcessAlertWorker.perform_async(nil, nil, am_alert.id)
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end
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def logger
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@logger ||= Gitlab::AppLogger
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end
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def am_alert
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strong_memoize(:am_alert) do
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AlertManagement::Alert.not_resolved.for_fingerprint(project, gitlab_fingerprint).first
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end
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end
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def bad_request
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ServiceResponse.error(message: 'Bad Request', http_status: :bad_request)
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end
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end
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end
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