133 lines
3.4 KiB
Ruby
133 lines
3.4 KiB
Ruby
# frozen_string_literal: true
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module AlertManagement
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# Module to support the processing of new alert payloads
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# from various sources. Payloads may be for new alerts,
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# existing alerts, or acting as a resolving alert.
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#
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# Performs processing-related tasks, such as creating system
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# notes, creating or resolving related issues, and notifying
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# stakeholders of the alert.
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#
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# Requires #project [Project] and #payload [Hash] methods
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# to be defined.
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module AlertProcessing
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include BaseServiceUtility
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include Gitlab::Utils::StrongMemoize
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include ::IncidentManagement::Settings
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# Updates or creates alert from payload for project
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# including system notes
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def process_alert
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if alert.persisted?
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process_existing_alert
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else
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process_new_alert
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end
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end
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# Creates or closes issue for alert and notifies stakeholders
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def complete_post_processing_tasks
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process_incident_issues if process_issues?
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send_alert_email if send_email? && notifying_alert?
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end
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def process_existing_alert
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if resolving_alert?
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process_resolved_alert
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else
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process_firing_alert
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end
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end
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def process_resolved_alert
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return unless auto_close_incident?
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return close_issue(alert.issue) if alert.resolve(incoming_payload.ends_at)
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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: alert.id
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)
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end
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def process_firing_alert
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alert.register_new_event!
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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_new_alert
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if alert.save
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alert.execute_services
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SystemNoteService.create_new_alert(alert, alert_source)
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else
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logger.warn(
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message: "Unable to create AlertManagement::Alert from #{alert_source}",
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project_id: project.id,
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alert_errors: alert.errors.messages
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)
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end
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end
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def process_incident_issues
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return if alert.issue || alert.resolved?
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::IncidentManagement::ProcessAlertWorker.perform_async(nil, nil, alert.id)
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end
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def send_alert_email
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notification_service
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.async
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.prometheus_alerts_fired(project, [alert])
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end
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def incoming_payload
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strong_memoize(:incoming_payload) do
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Gitlab::AlertManagement::Payload.parse(project, payload.to_h, integration: integration)
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end
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end
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def alert
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strong_memoize(:alert) do
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find_existing_alert || build_new_alert
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end
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end
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def find_existing_alert
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return unless incoming_payload.gitlab_fingerprint
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AlertManagement::Alert.not_resolved.for_fingerprint(project, incoming_payload.gitlab_fingerprint).first
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end
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def build_new_alert
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AlertManagement::Alert.new(**incoming_payload.alert_params, ended_at: nil)
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end
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def resolving_alert?
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incoming_payload.ends_at.present?
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end
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def notifying_alert?
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alert.triggered? || alert.resolved?
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end
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def alert_source
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alert.monitoring_tool
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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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end
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end
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AlertManagement::AlertProcessing.prepend_ee_mod
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