def _init_barbican_client(self):
"""Creates barbican client instance.
Verifies that client can communicate with Barbican, retrying
multiple times in case either Barbican or Keystone services are
still starting up.
"""
max_attempts = 5
sleep_time = 5
n_attempts = 0
while n_attempts <= max_attempts:
n_attempts += 1
try:
if self.auth_version == "v3":
auth = v3.Password(
username=self.username,
password=self.password,
auth_url=self.auth_url,
user_domain_name=self.user_domain_name,
project_domain_name=self.project_domain_name,
project_name=self.project_name)
else:
# assume v2 auth
auth = v2.Password(
username=self.username,
password=self.password,
auth_url=self.auth_url,
tenant_name=self.tenant_name)
# NOTE: Session is deprecated in keystoneclient 2.1.0
# and will be removed in a future keystoneclient release.
sess = Session(auth=auth)
self.barbican = Client(session=sess)
# test barbican service
self.barbican.containers.list()
# success
LOG.debug(
"Barbican client initialized using Keystone %s "
"authentication." % self.auth_version)
break
except Exception as exc:
if n_attempts < max_attempts:
LOG.debug("Barbican client initialization failed. "
"Trying again.")
time.sleep(sleep_time)
else:
raise InvalidBarbicanConfig(
"Unable to initialize Barbican client. %s" %
exc.message)
def __init__(self,
url,
api_version,
auth_endpoint=None,
user=None,
password=None,
tenant_name=None,
authenticate=None,
request=None,
**kwargs):
self.url = url
self.api_version = api_version
self.endpoint = '{base}/{api_version}'.format(
base=self.url, api_version=self.api_version)
self.keystone = KeystoneAuthV2(auth_url=auth_endpoint,
username=user,
password=password,
tenant_name=tenant_name)
# Fix: We need to create an auth plugin for Keystone and CloudCAFE
self.keystone._barbican_url = self.endpoint
self.conn = Client(auth_plugin=self.keystone)
self.tenant_id = self.keystone.tenant_id
self.tenant_token = self.keystone.auth_token