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 Preparing input task
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Input task is:
---
  KeystoneBasic.create_delete_user:
    -
      args: {}
      runner:
        type: "constant"
        times: 10
        concurrency: 1

Task syntax is correct :)
2016-05-23 19:43:51.244 1540 INFO rally.task.engine [-] Task cc37a9e7-8f59-4eb6-a872-7fc507a665bf | Starting:  Task validation.
2016-05-23 19:43:51.263 1540 INFO rally.task.engine [-] Task cc37a9e7-8f59-4eb6-a872-7fc507a665bf | Starting:  Task validation of scenarios names.
2016-05-23 19:43:51.264 1540 INFO rally.task.engine [-] Task cc37a9e7-8f59-4eb6-a872-7fc507a665bf | Completed: Task validation of scenarios names.
2016-05-23 19:43:51.264 1540 INFO rally.task.engine [-] Task cc37a9e7-8f59-4eb6-a872-7fc507a665bf | Starting:  Task validation of syntax.
2016-05-23 19:43:51.267 1540 INFO rally.task.engine [-] Task cc37a9e7-8f59-4eb6-a872-7fc507a665bf | Completed: Task validation of syntax.
2016-05-23 19:43:51.267 1540 INFO rally.task.engine [-] Task cc37a9e7-8f59-4eb6-a872-7fc507a665bf | Starting:  Task validation of semantic.
2016-05-23 19:43:51.267 1540 INFO rally.task.engine [-] Task cc37a9e7-8f59-4eb6-a872-7fc507a665bf | Starting:  Task validation check cloud.
/usr/lib/python2.7/site-packages/requests/packages/urllib3/connection.py:303: SubjectAltNameWarning: Certificate for erick.example.com has no `subjectAltName`, falling back to check for a `commonName` for now. This feature is being removed by major browsers and deprecated by RFC 2818. (See https://github.com/shazow/urllib3/issues/497 for details.)
  SubjectAltNameWarning
2016-05-23 19:43:51.400 1540 INFO rally.task.engine [-] Task cc37a9e7-8f59-4eb6-a872-7fc507a665bf | Completed: Task validation check cloud.
2016-05-23 19:43:51.403 1540 INFO rally.plugins.openstack.context.keystone.users [-] Task cc37a9e7-8f59-4eb6-a872-7fc507a665bf | Starting:  Enter context: `users`
/usr/lib/python2.7/site-packages/requests/packages/urllib3/connection.py:303: SubjectAltNameWarning: Certificate for erick.example.com has no `subjectAltName`, falling back to check for a `commonName` for now. This feature is being removed by major browsers and deprecated by RFC 2818. (See https://github.com/shazow/urllib3/issues/497 for details.)
  SubjectAltNameWarning
/usr/lib/python2.7/site-packages/requests/packages/urllib3/connection.py:303: SubjectAltNameWarning: Certificate for erick.example.com has no `subjectAltName`, falling back to check for a `commonName` for now. This feature is being removed by major browsers and deprecated by RFC 2818. (See https://github.com/shazow/urllib3/issues/497 for details.)
  SubjectAltNameWarning
2016-05-23 19:43:51.579 1540 INFO rally.plugins.openstack.context.keystone.users [-] Task cc37a9e7-8f59-4eb6-a872-7fc507a665bf | Completed: Enter context: `users`
2016-05-23 19:43:51.580 1540 INFO rally.plugins.openstack.context.keystone.users [-] Task cc37a9e7-8f59-4eb6-a872-7fc507a665bf | Starting:  Exit context: `users`
/usr/lib/python2.7/site-packages/requests/packages/urllib3/connection.py:303: SubjectAltNameWarning: Certificate for erick.example.com has no `subjectAltName`, falling back to check for a `commonName` for now. This feature is being removed by major browsers and deprecated by RFC 2818. (See https://github.com/shazow/urllib3/issues/497 for details.)
  SubjectAltNameWarning
/usr/lib/python2.7/site-packages/requests/packages/urllib3/connection.py:303: SubjectAltNameWarning: Certificate for erick.example.com has no `subjectAltName`, falling back to check for a `commonName` for now. This feature is being removed by major browsers and deprecated by RFC 2818. (See https://github.com/shazow/urllib3/issues/497 for details.)
  SubjectAltNameWarning
/usr/lib/python2.7/site-packages/requests/packages/urllib3/connection.py:303: SubjectAltNameWarning: Certificate for erick.example.com has no `subjectAltName`, falling back to check for a `commonName` for now. This feature is being removed by major browsers and deprecated by RFC 2818. (See https://github.com/shazow/urllib3/issues/497 for details.)
  SubjectAltNameWarning
Task config is invalid: `public endpoint for compute service not found`