metrics.py 1.2 KB

12345678910111213141516171819202122232425262728293031
  1. # Licensed to Cloudera, Inc. under one
  2. # or more contributor license agreements. See the NOTICE file
  3. # distributed with this work for additional information
  4. # regarding copyright ownership. Cloudera, Inc. licenses this file
  5. # to you under the Apache License, Version 2.0 (the
  6. # "License"); you may not use this file except in compliance
  7. # with the License. You may obtain a copy of the License at
  8. #
  9. # http://www.apache.org/licenses/LICENSE-2.0
  10. #
  11. # Unless required by applicable law or agreed to in writing, software
  12. # distributed under the License is distributed on an "AS IS" BASIS,
  13. # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. # See the License for the specific language governing permissions and
  15. # limitations under the License.
  16. from datetime import datetime, timedelta
  17. from desktop.lib.metrics import global_registry
  18. def active_users():
  19. from useradmin.models import UserProfile
  20. return UserProfile.objects.filter(last_activity__gt=datetime.now() - timedelta(hours=1)).count()
  21. global_registry().gauge_callback(
  22. name='users.active',
  23. callback=active_users,
  24. label='Active Users',
  25. description='Number of users that were active in the last hour',
  26. numerator='users',
  27. )