Openstack Keystone and leverages the RBAC model, to bring
it for OSM.
"""
-import time
+
__author__ = "Eduardo Sousa <esousa@whitestack.com>"
__date__ = "$27-jul-2018 23:59:59$"
-from authconn import Authconn, AuthException, AuthconnOperationException
+from authconn import Authconn, AuthException, AuthconnOperationException, AuthconnNotFoundException, \
+ AuthconnConflictException
import logging
import requests
+import time
from keystoneauth1 import session
from keystoneauth1.identity import v3
from keystoneauth1.exceptions.base import ClientException
from keystoneauth1.exceptions.http import Conflict
from keystoneclient.v3 import client
from http import HTTPStatus
+from validation import is_valid_uuid
class AuthconnKeystone(Authconn):
self.sess = session.Session(auth=self.auth)
self.keystone = client.Client(session=self.sess)
- def authenticate_with_user_password(self, user, password):
- """
- Authenticate a user using username and password.
-
- :param user: username
- :param password: password
- :return: an unscoped token that grants access to project list
- """
- try:
- user_id = list(filter(lambda x: x.name == user, self.keystone.users.list()))[0].id
- project_names = [project.name for project in self.keystone.projects.list(user=user_id)]
-
- token = self.keystone.get_raw_token_from_identity_service(
- auth_url=self.auth_url,
- username=user,
- password=password,
- user_domain_name=self.user_domain_name,
- project_domain_name=self.project_domain_name)
-
- return token["auth_token"], project_names
- except ClientException:
- self.logger.exception("Error during user authentication using keystone. Method: basic")
- raise AuthException("Error during user authentication using Keystone", http_code=HTTPStatus.UNAUTHORIZED)
-
- def authenticate_with_token(self, token, project=None):
+ def authenticate(self, user, password, project=None, token_info=None):
"""
- Authenticate a user using a token. Can be used to revalidate the token
- or to get a scoped token.
+ Authenticate a user using username/password or token_info, plus project
+ :param user: user: name, id or None
+ :param password: password or None
+ :param project: name, id, or None. If None first found project will be used to get an scope token
+ :param token_info: previous token_info to obtain authorization
+ :return: the scoped token info or raises an exception. The token is a dictionary with:
+ _id: token string id,
+ username: username,
+ project_id: scoped_token project_id,
+ project_name: scoped_token project_name,
+ expires: epoch time when it expires,
- :param token: a valid token.
- :param project: (optional) project for a scoped token.
- :return: return a revalidated token, scoped if a project was passed or
- the previous token was already scoped.
"""
try:
- token_info = self.keystone.tokens.validate(token=token)
- projects = self.keystone.projects.list(user=token_info["user"]["id"])
- project_names = [project.name for project in projects]
-
- new_token = self.keystone.get_raw_token_from_identity_service(
+ username = None
+ user_id = None
+ project_id = None
+ project_name = None
+
+ if user:
+ if is_valid_uuid(user):
+ user_id = user
+ else:
+ username = user
+
+ # get an unscoped token firstly
+ unscoped_token = self.keystone.get_raw_token_from_identity_service(
+ auth_url=self.auth_url,
+ user_id=user_id,
+ username=username,
+ password=password,
+ user_domain_name=self.user_domain_name,
+ project_domain_name=self.project_domain_name)
+ elif token_info:
+ unscoped_token = self.keystone.tokens.validate(token=token_info.get("_id"))
+ else:
+ raise AuthException("Provide credentials: username/password or Authorization Bearer token",
+ http_code=HTTPStatus.UNAUTHORIZED)
+
+ if not project:
+ # get first project for the user
+ project_list = self.keystone.projects.list(user=unscoped_token["user"]["id"])
+ if not project_list:
+ raise AuthException("The user {} has not any project and cannot be used for authentication".
+ format(user), http_code=HTTPStatus.UNAUTHORIZED)
+ project_id = project_list[0].id
+ else:
+ if is_valid_uuid(project):
+ project_id = project
+ else:
+ project_name = project
+
+ scoped_token = self.keystone.get_raw_token_from_identity_service(
auth_url=self.auth_url,
- token=token,
- project_name=project,
+ project_name=project_name,
+ project_id=project_id,
user_domain_name=self.user_domain_name,
- project_domain_name=self.project_domain_name)
-
- return new_token["auth_token"], project_names
- except ClientException:
- self.logger.exception("Error during user authentication using keystone. Method: bearer")
- raise AuthException("Error during user authentication using Keystone", http_code=HTTPStatus.UNAUTHORIZED)
+ project_domain_name=self.project_domain_name,
+ token=unscoped_token["auth_token"])
+
+ auth_token = {
+ "_id": scoped_token.auth_token,
+ "id": scoped_token.auth_token,
+ "user_id": scoped_token.user_id,
+ "username": scoped_token.username,
+ "project_id": scoped_token.project_id,
+ "project_name": scoped_token.project_name,
+ "expires": scoped_token.expires.timestamp(),
+ "issued_at": scoped_token.issued.timestamp()
+ }
+
+ return auth_token
+ except ClientException as e:
+ # self.logger.exception("Error during user authentication using keystone. Method: basic: {}".format(e))
+ raise AuthException("Error during user authentication using Keystone: {}".format(e),
+ http_code=HTTPStatus.UNAUTHORIZED)
+
+ # def authenticate_with_token(self, token, project=None):
+ # """
+ # Authenticate a user using a token. Can be used to revalidate the token
+ # or to get a scoped token.
+ #
+ # :param token: a valid token.
+ # :param project: (optional) project for a scoped token.
+ # :return: return a revalidated token, scoped if a project was passed or
+ # the previous token was already scoped.
+ # """
+ # try:
+ # token_info = self.keystone.tokens.validate(token=token)
+ # projects = self.keystone.projects.list(user=token_info["user"]["id"])
+ # project_names = [project.name for project in projects]
+ #
+ # new_token = self.keystone.get_raw_token_from_identity_service(
+ # auth_url=self.auth_url,
+ # token=token,
+ # project_name=project,
+ # project_id=None,
+ # user_domain_name=self.user_domain_name,
+ # project_domain_name=self.project_domain_name)
+ #
+ # return new_token["auth_token"], project_names
+ # except ClientException as e:
+ # # self.logger.exception("Error during user authentication using keystone. Method: bearer: {}".format(e))
+ # raise AuthException("Error during user authentication using Keystone: {}".format(e),
+ # http_code=HTTPStatus.UNAUTHORIZED)
def validate_token(self, token):
"""
Check if the token is valid.
- :param token: token to validate
- :return: dictionary with information associated with the token. If the
- token is not valid, returns None.
+ :param token: token id to be validated
+ :return: dictionary with information associated with the token:
+ "expires":
+ "_id": token_id,
+ "project_id": project_id,
+ "username": ,
+ "roles": list with dict containing {name, id}
+ If the token is not valid an exception is raised.
"""
if not token:
return
try:
token_info = self.keystone.tokens.validate(token=token)
-
- return token_info
- except ClientException:
- self.logger.exception("Error during token validation using keystone")
- raise AuthException("Error during token validation using Keystone", http_code=HTTPStatus.UNAUTHORIZED)
+ ses = {
+ "_id": token_info["auth_token"],
+ "id": token_info["auth_token"],
+ "project_id": token_info["project"]["id"],
+ "project_name": token_info["project"]["name"],
+ "user_id": token_info["user"]["id"],
+ "username": token_info["user"]["name"],
+ "roles": token_info["roles"],
+ "expires": token_info.expires.timestamp(),
+ "issued_at": token_info.issued.timestamp()
+ }
+
+ return ses
+ except ClientException as e:
+ # self.logger.exception("Error during token validation using keystone: {}".format(e))
+ raise AuthException("Error during token validation using Keystone: {}".format(e),
+ http_code=HTTPStatus.UNAUTHORIZED)
def revoke_token(self, token):
"""
self.keystone.tokens.revoke_token(token=token)
return True
- except ClientException:
- self.logger.exception("Error during token revocation using keystone")
- raise AuthException("Error during token revocation using Keystone", http_code=HTTPStatus.UNAUTHORIZED)
+ except ClientException as e:
+ # self.logger.exception("Error during token revocation using keystone: {}".format(e))
+ raise AuthException("Error during token revocation using Keystone: {}".format(e),
+ http_code=HTTPStatus.UNAUTHORIZED)
def get_user_project_list(self, token):
"""
project_names = [project.name for project in projects]
return project_names
- except ClientException:
- self.logger.exception("Error during user project listing using keystone")
- raise AuthException("Error during user project listing using Keystone", http_code=HTTPStatus.UNAUTHORIZED)
+ except ClientException as e:
+ # self.logger.exception("Error during user project listing using keystone: {}".format(e))
+ raise AuthException("Error during user project listing using Keystone: {}".format(e),
+ http_code=HTTPStatus.UNAUTHORIZED)
def get_user_role_list(self, token):
"""
roles = [role.name for role in roles_info]
return roles
- except ClientException:
- self.logger.exception("Error during user role listing using keystone")
- raise AuthException("Error during user role listing using Keystone", http_code=HTTPStatus.UNAUTHORIZED)
+ except ClientException as e:
+ # self.logger.exception("Error during user role listing using keystone: {}".format(e))
+ raise AuthException("Error during user role listing using Keystone: {}".format(e),
+ http_code=HTTPStatus.UNAUTHORIZED)
def create_user(self, user, password):
"""
try:
new_user = self.keystone.users.create(user, password=password, domain=self.user_domain_name)
return {"username": new_user.name, "_id": new_user.id}
- except ClientException:
- self.logger.exception("Error during user creation using keystone")
- raise AuthconnOperationException("Error during user creation using Keystone")
+ except Conflict as e:
+ # self.logger.exception("Error during user creation using keystone: {}".format(e))
+ raise AuthconnOperationException(e, http_code=HTTPStatus.CONFLICT)
+ except ClientException as e:
+ # self.logger.exception("Error during user creation using keystone: {}".format(e))
+ raise AuthconnOperationException("Error during user creation using Keystone: {}".format(e))
- def change_password(self, user, new_password):
+ def update_user(self, user, new_name=None, new_password=None):
"""
- Change the user password.
+ Change the user name and/or password.
- :param user: username.
+ :param user: username or user_id
+ :param new_name: new name
:param new_password: new password.
- :raises AuthconnOperationException: if user password change failed.
+ :raises AuthconnOperationException: if change failed.
"""
try:
- user_obj = list(filter(lambda x: x.name == user, self.keystone.users.list()))[0]
- self.keystone.users.update(user_obj, password=new_password)
- except ClientException:
- self.logger.exception("Error during user password update using keystone")
- raise AuthconnOperationException("Error during user password update using Keystone")
+ if is_valid_uuid(user):
+ user_id = user
+ else:
+ user_obj_list = self.keystone.users.list(name=user)
+ if not user_obj_list:
+ raise AuthconnNotFoundException("User '{}' not found".format(user))
+ user_id = user_obj_list[0].id
+
+ self.keystone.users.update(user_id, password=new_password, name=new_name)
+ except ClientException as e:
+ # self.logger.exception("Error during user password/name update using keystone: {}".format(e))
+ raise AuthconnOperationException("Error during user password/name update using Keystone: {}".format(e))
def delete_user(self, user_id):
"""
:raises AuthconnOperationException: if user deletion failed.
"""
try:
- users = self.keystone.users.list()
- user_obj = [user for user in users if user.id == user_id][0]
- result, _ = self.keystone.users.delete(user_obj)
+ # users = self.keystone.users.list()
+ # user_obj = [user for user in users if user.id == user_id][0]
+ # result, _ = self.keystone.users.delete(user_obj)
+ result, detail = self.keystone.users.delete(user_id)
if result.status_code != 204:
- raise ClientException("User was not deleted")
+ raise ClientException("error {} {}".format(result.status_code, detail))
return True
- except ClientException:
- self.logger.exception("Error during user deletion using keystone")
- raise AuthconnOperationException("Error during user deletion using Keystone")
+ except ClientException as e:
+ # self.logger.exception("Error during user deletion using keystone: {}".format(e))
+ raise AuthconnOperationException("Error during user deletion using Keystone: {}".format(e))
- def get_user_list(self, filter_q={}):
+ def get_user_list(self, filter_q=None):
"""
Get user list.
- :param filter_q: dictionary to filter user list.
+ :param filter_q: dictionary to filter user list by name (username is also admited) and/or _id
:return: returns a list of users.
"""
try:
- users = self.keystone.users.list()
+ filter_name = None
+ if filter_q:
+ filter_name = filter_q.get("name") or filter_q.get("username")
+ users = self.keystone.users.list(name=filter_name)
users = [{
"username": user.name,
- "_id": user.id
+ "_id": user.id,
+ "id": user.id
} for user in users if user.name != self.admin_username]
- allowed_fields = ["_id", "username"]
- for key in filter_q.keys():
- if key not in allowed_fields:
- continue
-
- users = [user for user in users
- if filter_q[key] == user[key]]
+ if filter_q and filter_q.get("_id"):
+ users = [user for user in users if filter_q["_id"] == user["_id"]]
for user in users:
projects = self.keystone.projects.list(user=user["_id"])
projects = [{
"name": project.name,
- "_id": project.id
+ "_id": project.id,
+ "id": project.id
} for project in projects]
for project in projects:
roles = self.keystone.roles.list(user=user["_id"], project=project["_id"])
roles = [{
"name": role.name,
- "_id": role.id
+ "_id": role.id,
+ "id": role.id
} for role in roles]
project["roles"] = roles
user["projects"] = projects
return users
- except ClientException:
- self.logger.exception("Error during user listing using keystone")
- raise AuthconnOperationException("Error during user listing using Keystone")
+ except ClientException as e:
+ # self.logger.exception("Error during user listing using keystone: {}".format(e))
+ raise AuthconnOperationException("Error during user listing using Keystone: {}".format(e))
- def get_role_list(self):
+ def get_role_list(self, filter_q=None):
"""
Get role list.
- :return: returns the list of roles for the user in that project. If
- the token is unscoped it returns None.
+ :param filter_q: dictionary to filter role list by _id and/or name.
+ :return: returns the list of roles.
"""
try:
- roles_list = self.keystone.roles.list()
+ filter_name = None
+ if filter_q:
+ filter_name = filter_q.get("name")
+ roles_list = self.keystone.roles.list(name=filter_name)
roles = [{
"name": role.name,
"_id": role.id
} for role in roles_list if role.name != "service"]
+ if filter_q and filter_q.get("_id"):
+ roles = [role for role in roles if filter_q["_id"] == role["_id"]]
+
return roles
- except ClientException:
- self.logger.exception("Error during user role listing using keystone")
- raise AuthException("Error during user role listing using Keystone", http_code=HTTPStatus.UNAUTHORIZED)
+ except ClientException as e:
+ # self.logger.exception("Error during user role listing using keystone: {}".format(e))
+ raise AuthException("Error during user role listing using Keystone: {}".format(e),
+ http_code=HTTPStatus.UNAUTHORIZED)
def create_role(self, role):
"""
"""
try:
result = self.keystone.roles.create(role)
- return {"name": result.name, "_id": result.id}
+ return result.id
except Conflict as ex:
- self.logger.info("Duplicate entry: %s", str(ex))
- except ClientException:
- self.logger.exception("Error during role creation using keystone")
- raise AuthconnOperationException("Error during role creation using Keystone")
+ raise AuthconnConflictException(str(ex))
+ except ClientException as e:
+ # self.logger.exception("Error during role creation using keystone: {}".format(e))
+ raise AuthconnOperationException("Error during role creation using Keystone: {}".format(e))
def delete_role(self, role_id):
"""
:raises AuthconnOperationException: if role deletion failed.
"""
try:
- roles = self.keystone.roles.list()
- role_obj = [role for role in roles if role.id == role_id][0]
- result, _ = self.keystone.roles.delete(role_obj)
+ result, detail = self.keystone.roles.delete(role_id)
if result.status_code != 204:
- raise ClientException("Role was not deleted")
+ raise ClientException("error {} {}".format(result.status_code, detail))
return True
- except ClientException:
- self.logger.exception("Error during role deletion using keystone")
- raise AuthconnOperationException("Error during role deletion using Keystone")
+ except ClientException as e:
+ # self.logger.exception("Error during role deletion using keystone: {}".format(e))
+ raise AuthconnOperationException("Error during role deletion using Keystone: {}".format(e))
- def get_project_list(self, filter_q={}):
+ def update_role(self, role, new_name):
+ """
+ Change the name of a role
+ :param role: role name or id to be changed
+ :param new_name: new name
+ :return: None
+ """
+ try:
+ if is_valid_uuid(role):
+ role_id = role
+ else:
+ role_obj_list = self.keystone.roles.list(name=role)
+ if not role_obj_list:
+ raise AuthconnNotFoundException("Role '{}' not found".format(role))
+ role_id = role_obj_list[0].id
+ self.keystone.roles.update(role_id, name=new_name)
+ except ClientException as e:
+ # self.logger.exception("Error during role update using keystone: {}".format(e))
+ raise AuthconnOperationException("Error during role updating using Keystone: {}".format(e))
+
+ def get_project_list(self, filter_q=None):
"""
Get all the projects.
:return: list of projects
"""
try:
- projects = self.keystone.projects.list()
+ filter_name = None
+ if filter_q:
+ filter_name = filter_q.get("name")
+ projects = self.keystone.projects.list(name=filter_name)
+
projects = [{
"name": project.name,
"_id": project.id
- } for project in projects if project.name != self.admin_project]
-
- allowed_fields = ["_id", "name"]
- for key in filter_q.keys():
- if key not in allowed_fields:
- continue
+ } for project in projects]
+ if filter_q and filter_q.get("_id"):
projects = [project for project in projects
- if filter_q[key] == project[key]]
+ if filter_q["_id"] == project["_id"]]
return projects
- except ClientException:
- self.logger.exception("Error during user project listing using keystone")
- raise AuthException("Error during user project listing using Keystone", http_code=HTTPStatus.UNAUTHORIZED)
+ except ClientException as e:
+ # self.logger.exception("Error during user project listing using keystone: {}".format(e))
+ raise AuthException("Error during user project listing using Keystone: {}".format(e),
+ http_code=HTTPStatus.UNAUTHORIZED)
def create_project(self, project):
"""
Create a project.
:param project: project name.
+ :return: the internal id of the created project
:raises AuthconnOperationException: if project creation failed.
"""
try:
result = self.keystone.projects.create(project, self.project_domain_name)
- return {"name": result.name, "_id": result.id}
- except ClientException:
- self.logger.exception("Error during project creation using keystone")
- raise AuthconnOperationException("Error during project creation using Keystone")
+ return result.id
+ except ClientException as e:
+ # self.logger.exception("Error during project creation using keystone: {}".format(e))
+ raise AuthconnOperationException("Error during project creation using Keystone: {}".format(e))
def delete_project(self, project_id):
"""
:raises AuthconnOperationException: if project deletion failed.
"""
try:
- projects = self.keystone.projects.list()
- project_obj = [project for project in projects if project.id == project_id][0]
- result, _ = self.keystone.projects.delete(project_obj)
+ # projects = self.keystone.projects.list()
+ # project_obj = [project for project in projects if project.id == project_id][0]
+ # result, _ = self.keystone.projects.delete(project_obj)
+ result, detail = self.keystone.projects.delete(project_id)
if result.status_code != 204:
- raise ClientException("Project was not deleted")
+ raise ClientException("error {} {}".format(result.status_code, detail))
return True
- except ClientException:
- self.logger.exception("Error during project deletion using keystone")
- raise AuthconnOperationException("Error during project deletion using Keystone")
+ except ClientException as e:
+ # self.logger.exception("Error during project deletion using keystone: {}".format(e))
+ raise AuthconnOperationException("Error during project deletion using Keystone: {}".format(e))
+
+ def update_project(self, project_id, new_name):
+ """
+ Change the name of a project
+ :param project_id: project to be changed
+ :param new_name: new name
+ :return: None
+ """
+ try:
+ self.keystone.projects.update(project_id, name=new_name)
+ except ClientException as e:
+ # self.logger.exception("Error during project update using keystone: {}".format(e))
+ raise AuthconnOperationException("Error during project deletion using Keystone: {}".format(e))
def assign_role_to_user(self, user, project, role):
"""
:raises AuthconnOperationException: if role assignment failed.
"""
try:
- user_obj = list(filter(lambda x: x.name == user, self.keystone.users.list()))[0]
- project_obj = list(filter(lambda x: x.name == project, self.keystone.projects.list()))[0]
- role_obj = list(filter(lambda x: x.name == role, self.keystone.roles.list()))[0]
+ if is_valid_uuid(user):
+ user_obj = self.keystone.users.get(user)
+ else:
+ user_obj_list = self.keystone.users.list(name=user)
+ if not user_obj_list:
+ raise AuthconnNotFoundException("User '{}' not found".format(user))
+ user_obj = user_obj_list[0]
+
+ if is_valid_uuid(project):
+ project_obj = self.keystone.projects.get(project)
+ else:
+ project_obj_list = self.keystone.projects.list(name=project)
+ if not project_obj_list:
+ raise AuthconnNotFoundException("Project '{}' not found".format(project))
+ project_obj = project_obj_list[0]
+
+ if is_valid_uuid(role):
+ role_obj = self.keystone.roles.get(role)
+ else:
+ role_obj_list = self.keystone.roles.list(name=role)
+ if not role_obj_list:
+ raise AuthconnNotFoundException("Role '{}' not found".format(role))
+ role_obj = role_obj_list[0]
self.keystone.roles.grant(role_obj, user=user_obj, project=project_obj)
- except ClientException:
- self.logger.exception("Error during user role assignment using keystone")
- raise AuthconnOperationException("Error during user role assignment using Keystone")
+ except ClientException as e:
+ # self.logger.exception("Error during user role assignment using keystone: {}".format(e))
+ raise AuthconnOperationException("Error during role '{}' assignment to user '{}' and project '{}' using "
+ "Keystone: {}".format(role, user, project, e))
def remove_role_from_user(self, user, project, role):
"""
Remove a role from a user in a project.
:param user: username.
- :param project: project name.
- :param role: role name.
+ :param project: project name or id.
+ :param role: role name or id.
+
:raises AuthconnOperationException: if role assignment revocation failed.
"""
try:
- user_obj = list(filter(lambda x: x.name == user, self.keystone.users.list()))[0]
- project_obj = list(filter(lambda x: x.name == project, self.keystone.projects.list()))[0]
- role_obj = list(filter(lambda x: x.name == role, self.keystone.roles.list()))[0]
+ if is_valid_uuid(user):
+ user_obj = self.keystone.users.get(user)
+ else:
+ user_obj_list = self.keystone.users.list(name=user)
+ if not user_obj_list:
+ raise AuthconnNotFoundException("User '{}' not found".format(user))
+ user_obj = user_obj_list[0]
+
+ if is_valid_uuid(project):
+ project_obj = self.keystone.projects.get(project)
+ else:
+ project_obj_list = self.keystone.projects.list(name=project)
+ if not project_obj_list:
+ raise AuthconnNotFoundException("Project '{}' not found".format(project))
+ project_obj = project_obj_list[0]
+
+ if is_valid_uuid(role):
+ role_obj = self.keystone.roles.get(role)
+ else:
+ role_obj_list = self.keystone.roles.list(name=role)
+ if not role_obj_list:
+ raise AuthconnNotFoundException("Role '{}' not found".format(role))
+ role_obj = role_obj_list[0]
self.keystone.roles.revoke(role_obj, user=user_obj, project=project_obj)
- except ClientException:
- self.logger.exception("Error during user role revocation using keystone")
- raise AuthconnOperationException("Error during user role revocation using Keystone")
+ except ClientException as e:
+ # self.logger.exception("Error during user role revocation using keystone: {}".format(e))
+ raise AuthconnOperationException("Error during role '{}' revocation to user '{}' and project '{}' using "
+ "Keystone: {}".format(role, user, project, e))