pkomarov 7aaab7fb57 Improve KeyStone credentials parameter handling.
- Put order in keystone credentials parameters
- Add keystone auth parameters:
  * domain_name
  * trust_id
- Add support for environment variables:
  * OS_USER_ID
  * OS_PROJECT_ID
  * OS_TENANT_ID
  * OS_DOMAIN_NAME
  * OS_DOMAIN_ID
  * OS_USER_DOMAIN_ID
  * OS_PROJECT_DOMAIN_ID
  * OS_TRUST_ID

Co-Authored-By: Federico Ressi <fressi@redhat.com>
Change-Id: I66085db690c8f72408b79b3abea9dce7c60b4ea2
2019-05-08 17:32:58 +02:00
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