148 lines
3.6 KiB
Ruby
148 lines
3.6 KiB
Ruby
# frozen_string_literal: true
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module AlertManagement
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class ProcessPrometheusAlertService
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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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def initialize(project, payload)
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@project = project
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@payload = payload
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end
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def execute
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return bad_request unless incoming_payload.has_required_attributes?
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process_alert_management_alert
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return bad_request unless alert.persisted?
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process_incident_issues if process_issues?
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send_alert_email if send_email?
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ServiceResponse.success
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end
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private
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attr_reader :project, :payload
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def process_alert_management_alert
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if incoming_payload.resolved?
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process_resolved_alert_management_alert
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else
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process_firing_alert_management_alert
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end
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end
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def process_firing_alert_management_alert
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if alert.persisted?
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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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end
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def reset_alert_management_alert_status
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return if 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: alert.id
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)
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end
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def create_alert_management_alert
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if alert.save
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alert.execute_services
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SystemNoteService.create_new_alert(alert, Gitlab::AlertManagement::Payload::MONITORING_TOOLS[:prometheus])
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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: alert.errors.messages
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)
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end
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def process_resolved_alert_management_alert
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return unless alert.persisted?
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return unless auto_close_incident?
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if alert.resolve(incoming_payload.ends_at)
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close_issue(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: 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_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 logger
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@logger ||= Gitlab::AppLogger
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end
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def alert
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strong_memoize(:alert) do
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existing_alert || new_alert
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end
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end
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def existing_alert
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strong_memoize(:existing_alert) do
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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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end
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def new_alert
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strong_memoize(:new_alert) do
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AlertManagement::Alert.new(
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**incoming_payload.alert_params,
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ended_at: nil
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)
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end
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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(
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project,
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payload,
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monitoring_tool: Gitlab::AlertManagement::Payload::MONITORING_TOOLS[:prometheus]
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)
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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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