Get a keystone token for time measurements

keystone_token_get.py

#!/usr/bin/python

# Copy that script to the node where keystone API is running.
# Use it with:
# PYTHONPATH=. python -m timeit -n 100 -r 1 -s "from keystone_token_get import do_get" "do_get()"

import requests

headers = {'Content-Type': 'application/json'}
data = """
{ "auth": {
    "identity": { 
      "methods": ["password"],
      "password": {
        "user": { 
          "name": "admin",
          "domain": { "id": "default" },
          "password": "crowbar"
        }
      }
    }
  }
}
"""

def do_get():
    r = requests.post(
        'http://localhost:5000/v3/auth/tokens',
        data=data,
        headers=headers)
    if r.status_code != 201:
        raise Exception(r.status_code, r.text)