debian-mirror-gitlab/app/services/projects/alerting/notify_service.rb
2021-01-29 00:20:46 +05:30

137 lines
3.3 KiB
Ruby

# frozen_string_literal: true
module Projects
module Alerting
class NotifyService < BaseService
include Gitlab::Utils::StrongMemoize
include ::IncidentManagement::Settings
def execute(token, integration = nil)
@integration = integration
return bad_request unless valid_payload_size?
return forbidden unless active_integration?
return unauthorized unless valid_token?(token)
process_alert
return bad_request unless alert.persisted?
process_incident_issues if process_issues?
send_alert_email if send_email?
ServiceResponse.success
end
private
attr_reader :integration
def process_alert
if alert.persisted?
process_existing_alert
else
create_alert
end
end
def process_existing_alert
if incoming_payload.ends_at.present?
process_resolved_alert
else
alert.register_new_event!
end
alert
end
def process_resolved_alert
return unless auto_close_incident?
if alert.resolve(incoming_payload.ends_at)
close_issue(alert.issue)
end
alert
end
def close_issue(issue)
return if issue.blank? || issue.closed?
::Issues::CloseService
.new(project, User.alert_bot)
.execute(issue, system_note: false)
SystemNoteService.auto_resolve_prometheus_alert(issue, project, User.alert_bot) if issue.reset.closed?
end
def create_alert
return unless alert.save
alert.execute_services
SystemNoteService.create_new_alert(alert, notification_source)
end
def process_incident_issues
return if alert.issue || alert.resolved?
::IncidentManagement::ProcessAlertWorker.perform_async(nil, nil, alert.id)
end
def send_alert_email
notification_service
.async
.prometheus_alerts_fired(project, [alert])
end
def alert
strong_memoize(:alert) do
existing_alert || new_alert
end
end
def existing_alert
return unless incoming_payload.gitlab_fingerprint
AlertManagement::Alert.not_resolved.for_fingerprint(project, incoming_payload.gitlab_fingerprint).first
end
def new_alert
AlertManagement::Alert.new(**incoming_payload.alert_params, ended_at: nil)
end
def incoming_payload
strong_memoize(:incoming_payload) do
Gitlab::AlertManagement::Payload.parse(project, params.to_h)
end
end
def notification_source
alert.monitoring_tool || integration&.name || 'Generic Alert Endpoint'
end
def valid_payload_size?
Gitlab::Utils::DeepSize.new(params).valid?
end
def active_integration?
integration&.active?
end
def valid_token?(token)
token == integration.token
end
def bad_request
ServiceResponse.error(message: 'Bad Request', http_status: :bad_request)
end
def unauthorized
ServiceResponse.error(message: 'Unauthorized', http_status: :unauthorized)
end
def forbidden
ServiceResponse.error(message: 'Forbidden', http_status: :forbidden)
end
end
end
end