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|
# frozen_string_literal: true
module Projects
module Prometheus
module Alerts
class NotifyService < BaseService
include Gitlab::Utils::StrongMemoize
include IncidentManagement::Settings
def execute(token)
return false unless valid_payload_size?
return false unless valid_version?
return false unless valid_alert_manager_token?(token)
persist_events
send_alert_email if send_email?
process_incident_issues if process_issues?
true
end
private
def valid_payload_size?
Gitlab::Utils::DeepSize.new(params).valid?
end
def send_email?
incident_management_setting.send_email && firings.any?
end
def firings
@firings ||= alerts_by_status('firing')
end
def alerts_by_status(status)
alerts.select { |alert| alert['status'] == status }
end
def alerts
params['alerts']
end
def valid_version?
params['version'] == '4'
end
def valid_alert_manager_token?(token)
valid_for_manual?(token) || valid_for_managed?(token)
end
def valid_for_manual?(token)
prometheus = project.find_or_initialize_service('prometheus')
return false unless prometheus.manual_configuration?
if setting = project.alerting_setting
compare_token(token, setting.token)
else
token.nil?
end
end
def valid_for_managed?(token)
prometheus_application = available_prometheus_application(project)
return false unless prometheus_application
if token
compare_token(token, prometheus_application.alert_manager_token)
else
prometheus_application.alert_manager_token.nil?
end
end
def available_prometheus_application(project)
alert_id = gitlab_alert_id
return unless alert_id
alert = find_alert(project, alert_id)
return unless alert
cluster = alert.environment.deployment_platform&.cluster
return unless cluster&.enabled?
return unless cluster.application_prometheus_available?
cluster.application_prometheus
end
def find_alert(project, metric)
Projects::Prometheus::AlertsFinder
.new(project: project, metric: metric)
.execute
.first
end
def gitlab_alert_id
alerts&.first&.dig('labels', 'gitlab_alert_id')
end
def compare_token(expected, actual)
return unless expected && actual
ActiveSupport::SecurityUtils.secure_compare(expected, actual)
end
def send_alert_email
notification_service
.async
.prometheus_alerts_fired(project, firings)
end
def process_incident_issues
alerts.each do |alert|
IncidentManagement::ProcessPrometheusAlertWorker
.perform_async(project.id, alert.to_h)
end
end
def persist_events
CreateEventsService.new(project, nil, params).execute
end
end
end
end
end
|
