def get_driver(username, password):
OpenStack = libcloud_get_driver(Provider.OPENSTACK)
return OpenStack(
key=username,
secret=password,
ex_tenant_name='LSST',
ex_force_auth_url='http://nebula.ncsa.illinois.edu:5000/v2.0/tokens/',
ex_force_auth_version='2.0_password')
def get_driver(self, auth_data, datacenter=None):
"""
Get the compute driver from the auth data
Arguments:
- auth(Authentication): parsed authentication tokens.
- datacenter(str): datacenter to connect.
Returns: a :py:class:`libcloud.compute.base.NodeDriver` or None in case of error
"""
auths = auth_data.getAuthInfo(self.type)
if not auths:
raise Exception("No auth data has been specified to GCE.")
else:
auth = auths[0]
if self.driver and self.auth.compare(
auth_data, self.type) and self.datacenter == datacenter:
return self.driver
else:
self.auth = auth_data
self.datacenter = datacenter
if 'username' in auth and 'password' in auth and 'project' in auth:
cls = libcloud_get_driver(Provider.GCE)
# Patch to solve some client problems with \\n
auth['password'] = auth['password'].replace('\\n', '\n')
lines = len(auth['password'].replace(" ", "").split())
if lines < 2:
raise Exception(
"The certificate provided to the GCE plugin has an incorrect format."
" Check that it has more than one line.")
driver = cls(auth['username'],
auth['password'],
project=auth['project'],
datacenter=datacenter)
self.driver = driver
return driver
else:
self.log_error(
"No correct auth data has been specified to GCE: username, password and project"
)
self.log_debug(auth)
raise Exception(
"No correct auth data has been specified to GCE: username, password and project"
)
def _driver(self):
provider = self['provider']
DriverClass = libcloud_get_driver(getattr(Provider, provider.upper()))
credentials = [self['user']]
if issubclass(DriverClass.connectionCls, ConnectionUserAndKey):
credentials.append(self['secret'])
if issubclass(DriverClass, ec2.EC2NodeDriver):
# Respect AWS environment variables
user_key, secret_key = ("AWS_ACCESS_KEY_ID", "AWS_SECRET_ACCESS_KEY")
if all (k in os.environ for k in (user_key, secret_key)):
credentials = os.environ[user_key], os.environ[secret_key]
try:
driver = DriverClass(*credentials)
except TypeError, e:
raise ConfigError, 'API Access credentials for %s provider ' \
'are missing or wrong' % self['provider']
