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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from oslo_log import log
from keystoneauth1.exceptions import http as ks_exceptions
from watcher._i18n import _
from watcher.common import clients
from watcher.common import exception
from watcher import conf
CONF = conf.CONF
LOG = log.getLogger(__name__)
class KeystoneHelper(object):
def __init__(self, osc=None):
""":param osc: an OpenStackClients instance"""
self.osc = osc if osc else clients.OpenStackClients()
self.keystone = self.osc.keystone()
def get_role(self, name_or_id):
try:
role = self.keystone.roles.get(name_or_id)
return role
except ks_exceptions.NotFound:
roles = self.keystone.roles.list(name=name_or_id)
if len(roles) == 0:
raise exception.Invalid(
message=(_("Role not Found: %s") % name_or_id))
if len(roles) > 1:
raise exception.Invalid(
message=(_("Role name seems ambiguous: %s") % name_or_id))
return roles[0]
def get_user(self, name_or_id):
try:
user = self.keystone.users.get(name_or_id)
return user
except ks_exceptions.NotFound:
users = self.keystone.users.list(name=name_or_id)
if len(users) == 0:
raise exception.Invalid(
message=(_("User not Found: %s") % name_or_id))
if len(users) > 1:
raise exception.Invalid(
message=(_("User name seems ambiguous: %s") % name_or_id))
return users[0]
def get_project(self, name_or_id):
try:
project = self.keystone.projects.get(name_or_id)
return project
except ks_exceptions.NotFound:
projects = self.keystone.projects.list(name=name_or_id)
if len(projects) == 0:
raise exception.Invalid(
message=(_("Project not Found: %s") % name_or_id))
if len(projects) > 1:
raise exception.Invalid(
message=(_("Project name seems ambiguous: %s") %
name_or_id))
return projects[0]
def get_domain(self, name_or_id):
try:
domain = self.keystone.domains.get(name_or_id)
return domain
except ks_exceptions.NotFound:
domains = self.keystone.domains.list(name=name_or_id)
if len(domains) == 0:
raise exception.Invalid(
message=(_("Domain not Found: %s") % name_or_id))
if len(domains) > 1:
raise exception.Invalid(
message=(_("Domain name seems ambiguous: %s") %
name_or_id))
return domains[0]
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