slo_gae_app_availability.yaml

apiVersion: sre.google.com/v2
kind: ServiceLevelObjective
metadata:
  name: gae-app-availability
  labels:
    service_name: gae
    feature_name: app
    slo_name: availability
spec:
  description: Availability of App Engine app
  backend: cloud_monitoring_mql
  method: good_bad_ratio
  exporters:
  - cloud_monitoring
  service_level_indicator:
    filter_good: >
      fetch gae_app
      | metric 'appengine.googleapis.com/http/server/response_count'
      | filter resource.project_id == '${GAE_PROJECT_ID}'
      | filter
          metric.response_code == 429
          || metric.response_code == 200
          || metric.response_code == 201
          || metric.response_code == 202
          || metric.response_code == 203
          || metric.response_code == 204
          || metric.response_code == 205
          || metric.response_code == 206
          || metric.response_code == 207
          || metric.response_code == 208
          || metric.response_code == 226
          || metric.response_code == 304
    filter_valid: >
      fetch gae_app
      | metric 'appengine.googleapis.com/http/server/response_count'
      | filter resource.project_id == '${GAE_PROJECT_ID}'
  goal: 0.95