Check endpoints with keystone client

Try to access cloud via keystone client.
Ensure that specified user is admin.

Change-Id: I9e3221b6af3727caf1e741190833d4ca5963fca6
Merge "Check endpoints with keystone client"
fix port range

Change-Id: Ia1262f3595b679e267ff1a9cb7cfe9f31e02c2b8
Closes-Bug: #1268687