1 ##############################################################################
2 # Copyright (c) 2016 Huawei Technologies Co.,Ltd and others.
4 # All rights reserved. This program and the accompanying materials
5 # are made available under the terms of the Apache License, Version 2.0
6 # which accompanies this distribution, and is available at
7 # http://www.apache.org/licenses/LICENSE-2.0
8 ##############################################################################
13 from keystoneauth1 import loading
14 from keystoneauth1 import session
16 log = logging.getLogger(__name__)
18 DEFAULT_HEAT_API_VERSION = '1'
19 DEFAULT_NOVA_API_VERSION = '2'
20 DEFAULT_GLANCE_API_VERSION = '2'
23 def get_credentials():
24 """Returns a creds dictionary filled with parsed from env"""
27 keystone_api_version = os.getenv('OS_IDENTITY_API_VERSION')
29 if keystone_api_version is None or keystone_api_version == '2':
31 tenant_env = 'OS_TENANT_NAME'
32 tenant = 'tenant_name'
35 tenant_env = 'OS_PROJECT_NAME'
36 tenant = 'project_name'
38 # The most common way to pass these info to the script is to do it
39 # through environment variables.
41 "username": os.environ.get("OS_USERNAME"),
42 "password": os.environ.get("OS_PASSWORD"),
43 "auth_url": os.environ.get("OS_AUTH_URL"),
44 tenant: os.environ.get(tenant_env)
48 if os.getenv('OS_USER_DOMAIN_NAME') is not None:
50 "user_domain_name": os.getenv('OS_USER_DOMAIN_NAME')
52 if os.getenv('OS_PROJECT_DOMAIN_NAME') is not None:
54 "project_domain_name": os.getenv('OS_PROJECT_DOMAIN_NAME')
57 cacert = os.environ.get("OS_CACERT")
59 if cacert is not None:
60 # each openstack client uses differnt kwargs for this
61 creds.update({"cacert": cacert,
63 "https_ca_cert": cacert,
64 "https_cacert": cacert,
66 creds.update({"insecure": "True", "https_insecure": "True"})
67 if not os.path.isfile(cacert):
68 log.info("WARNING: The 'OS_CACERT' environment variable is set\
69 to %s but the file does not exist." % cacert)
74 def get_session_auth():
75 loader = loading.get_plugin_loader('password')
76 creds = get_credentials()
77 auth = loader.load_from_options(**creds)
82 auth = get_session_auth()
83 return session.Session(auth=auth)
86 def get_endpoint(service_type, endpoint_type='publicURL'):
87 auth = get_session_auth()
88 return get_session().get_endpoint(auth=auth,
89 service_type=service_type,
90 endpoint_type=endpoint_type)
93 def get_heat_api_version():
94 api_version = os.getenv('HEAT_API_VERSION')
95 if api_version is not None:
96 log.info("HEAT_API_VERSION is set in env as '%s'", api_version)
98 return DEFAULT_HEAT_API_VERSION
101 def get_nova_api_version():
102 api_version = os.getenv('OS_COMPUTE_API_VERSION')
103 if api_version is not None:
104 log.info("NOVA_API_VERSION is set in env as '%s'", api_version)
106 return DEFAULT_NOVA_API_VERSION
109 def get_glance_api_version():
110 api_version = os.getenv('OS_IMAGE_API_VERSION')
111 if api_version is not None:
112 log.info("GLANCE_API_VERSION is set in env as '%s'", api_version)
114 return DEFAULT_GLANCE_API_VERSION