90 lines
2.4 KiB
Python
Executable File
90 lines
2.4 KiB
Python
Executable File
#
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# Copyright (c) 2016-2023 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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import json
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import os
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from six.moves import urllib
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from nfv_client.openstack.objects import Token
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class OpenStackServices(object):
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"""
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OpenStack Services Constants
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"""
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VIM = 'vim'
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class OpenStackServiceTypes(object):
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"""
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OpenStack Service Types Constants
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"""
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NFV = 'nfv'
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SERVICE = OpenStackServices()
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SERVICE_TYPE = OpenStackServiceTypes()
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CAFILE = os.environ.get('REQUESTS_CA_BUNDLE')
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def get_token(auth_uri, project_name, project_domain_name, username, password,
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user_domain_name):
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"""
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Ask OpenStack for a token
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"""
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try:
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# handle auth_uri re-direct (300)
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urllib.request.urlopen(auth_uri, cafile=CAFILE)
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except urllib.error.HTTPError as e:
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if e.code == 300:
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auth_uri = e.headers['location']
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if auth_uri.endswith('/'):
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auth_uri = auth_uri[:-1]
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try:
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url = auth_uri + "/auth/tokens"
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request_info = urllib.request.Request(url)
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request_info.add_header("Content-Type", "application/json")
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request_info.add_header("Accept", "application/json")
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payload = json.dumps(
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{"auth": {
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"identity": {
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"methods": [
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"password"
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],
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"password": {
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"user": {
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"name": username,
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"password": password,
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"domain": {"name": user_domain_name}
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}
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}
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},
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"scope": {
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"project": {
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"name": project_name,
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"domain": {"name": project_domain_name}
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}}}})
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request_info.data = payload.encode()
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request = urllib.request.urlopen(request_info, timeout=30, cafile=CAFILE)
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# Identity API v3 returns token id in X-Subject-Token
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# response header.
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token_id = request.headers.get('X-Subject-Token')
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response = json.loads(request.read())
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request.close()
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return Token(response, token_id)
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except urllib.error.HTTPError as e:
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print(e)
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return None
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except urllib.error.URLError as e:
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print(e)
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return None
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