X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2FNBI.git;a=blobdiff_plain;f=osm_nbi%2Fauthconn_keystone.py;h=d71408a3912677aa513fafa0ad931e355bcf8ea5;hp=748b2e700c16da6b809f0bb96d14787e00909c84;hb=refs%2Fchanges%2F54%2F8854%2F4;hpb=6486f7485862dc51758864e6cf7d5d2523751873 diff --git a/osm_nbi/authconn_keystone.py b/osm_nbi/authconn_keystone.py index 748b2e7..d71408a 100644 --- a/osm_nbi/authconn_keystone.py +++ b/osm_nbi/authconn_keystone.py @@ -45,14 +45,21 @@ from osm_nbi.validation import is_valid_uuid class AuthconnKeystone(Authconn): - def __init__(self, config, db): - Authconn.__init__(self, config, db) + def __init__(self, config, db, role_permissions): + Authconn.__init__(self, config, db, role_permissions) self.logger = logging.getLogger("nbi.authenticator.keystone") + self.domains_id2name = {} + self.domains_name2id = {} self.auth_url = "http://{0}:{1}/v3".format(config.get("auth_url", "keystone"), config.get("auth_port", "5000")) self.user_domain_name_list = config.get("user_domain_name", "default") self.user_domain_name_list = self.user_domain_name_list.split(",") + # read only domain list + self.user_domain_ro_list = [x[:-3] for x in self.user_domain_name_list if x.endswith(":ro")] + # remove the ":ro" + self.user_domain_name_list = [x if not x.endswith(":ro") else x[:-3] for x in self.user_domain_name_list] + self.admin_project = config.get("service_project", "service") self.admin_username = config.get("service_username", "nbi") self.admin_password = config.get("service_password", "nbi") @@ -235,6 +242,37 @@ class AuthconnKeystone(Authconn): raise AuthException("Error during token revocation using Keystone: {}".format(e), http_code=HTTPStatus.UNAUTHORIZED) + def _get_domain_id(self, domain_name, fail_if_not_found=True): + """ + Get the domain id from the domain_name + :param domain_name: Can be the name or id + :param fail_if_not_found: If False it returns None instead of raising an exception if not found + :return: str or None/exception if domain is not found + """ + domain_id = self.domains_name2id.get(domain_name) + if not domain_id: + self._get_domains() + domain_id = self.domains_name2id.get(domain_name) + if not domain_id and domain_name in self.domains_id2name: + # domain_name is already an id + return domain_name + if not domain_id and fail_if_not_found: + raise AuthconnNotFoundException("Domain {} cannot be found".format(domain_name)) + return domain_id + + def _get_domains(self): + """ + Obtain a dictionary with domain_id to domain_name, stored at self.domains_id2name + and from domain_name to domain_id, sored at self.domains_name2id + :return: None. Exceptions are ignored + """ + try: + domains = self.keystone.domains.list() + self.domains_id2name = {x.id: x.name for x in domains} + self.domains_name2id = {x.name: x.id for x in domains} + except Exception: + pass + def create_user(self, user_info): """ Create a user. @@ -244,13 +282,18 @@ class AuthconnKeystone(Authconn): :return: returns the id of the user in keystone. """ try: + + if user_info.get("domain_name") and user_info["domain_name"] in self.user_domain_ro_list: + raise AuthconnConflictException("Cannot create a user in the read only domain {}". + format(user_info["domain_name"])) + new_user = self.keystone.users.create( user_info["username"], password=user_info["password"], - domain=user_info.get("user_domain_name", self.user_domain_name_list[0]), + domain=self._get_domain_id(user_info.get("domain_name", self.user_domain_name_list[0])), _admin=user_info["_admin"]) if "project_role_mappings" in user_info.keys(): for mapping in user_info["project_role_mappings"]: - self.assign_role_to_user(new_user.id, mapping["project"], mapping["role"]) + self.assign_role_to_user(new_user, mapping["project"], mapping["role"]) return {"username": new_user.name, "_id": new_user.id} except Conflict as e: # self.logger.exception("Error during user creation using keystone: {}".format(e)) @@ -268,23 +311,42 @@ class AuthconnKeystone(Authconn): """ try: user = user_info.get("_id") or user_info.get("username") - if is_valid_uuid(user): - user_obj_list = [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] + try: + user_obj = self.keystone.users.get(user) + except Exception: + user_obj = None + if not user_obj: + for user_domain in self.user_domain_name_list: + domain_id = self._get_domain_id(user_domain, fail_if_not_found=False) + if not domain_id: + continue + user_obj_list = self.keystone.users.list(name=user, domain=domain_id) + if user_obj_list: + user_obj = user_obj_list[0] + break + else: # user not found + raise AuthconnNotFoundException("User '{}' not found".format(user)) + user_id = user_obj.id - if user_info.get("password") or user_info.get("username") \ + domain_id = user_obj.domain_id + domain_name = self.domains_id2name.get(domain_id) + + if domain_name in self.user_domain_ro_list: + if user_info.get("password") or user_info.get("username"): + raise AuthconnConflictException("Cannot update the user {} belonging to a read only domain {}". + format(user, domain_name)) + + elif user_info.get("password") or user_info.get("username") \ or user_info.get("add_project_role_mappings") or user_info.get("remove_project_role_mappings"): + # if user_index>0, it is an external domain, that should not be updated ctime = user_obj._admin.get("created", 0) if hasattr(user_obj, "_admin") else 0 self.keystone.users.update(user_id, password=user_info.get("password"), name=user_info.get("username"), _admin={"created": ctime, "modified": time.time()}) + for mapping in user_info.get("remove_project_role_mappings", []): - self.remove_role_from_user(user_id, mapping["project"], mapping["role"]) + self.remove_role_from_user(user_obj, mapping["project"], mapping["role"]) for mapping in user_info.get("add_project_role_mappings", []): - self.assign_role_to_user(user_id, mapping["project"], mapping["role"]) + self.assign_role_to_user(user_obj, mapping["project"], mapping["role"]) except ClientException as e: # self.logger.exception("Error during user password/name update using keystone: {}".format(e)) raise AuthconnOperationException("Error during user update using Keystone: {}".format(e)) @@ -297,6 +359,13 @@ class AuthconnKeystone(Authconn): :raises AuthconnOperationException: if user deletion failed. """ try: + user_obj = self.keystone.users.get(user_id) + domain_id = user_obj.domain_id + domain_name = self.domains_id2name.get(domain_id) + if domain_name in self.user_domain_ro_list: + raise AuthconnConflictException("Cannot delete user {} belonging to a read only domain {}". + format(user_id, domain_name)) + result, detail = self.keystone.users.delete(user_id) if result.status_code != 204: raise ClientException("error {} {}".format(result.status_code, detail)) @@ -309,19 +378,53 @@ class AuthconnKeystone(Authconn): """ Get user list. - :param filter_q: dictionary to filter user list by name (username is also admited) and/or _id + :param filter_q: dictionary to filter user list by one or several + _id: + name (username is also admitted). If a user id is equal to the filter name, it is also provided + domain_id, domain_name :return: returns a list of users. """ try: - filter_name = None + self._get_domains() + filter_name = filter_domain = None if filter_q: filter_name = filter_q.get("name") or filter_q.get("username") - users = self.keystone.users.list(name=filter_name) + if filter_q.get("domain_name"): + filter_domain = self._get_domain_id(filter_q["domain_name"], fail_if_not_found=False) + # If domain is not found, use the same name to obtain an empty list + filter_domain = filter_domain or filter_q["domain_name"] + if filter_q.get("domain_id"): + filter_domain = filter_q["domain_id"] + + users = self.keystone.users.list(name=filter_name, domain=filter_domain) + # get users from user_domain_name_list[1:], because it will not be provided in case of LDAP + if filter_domain is None and len(self.user_domain_name_list) > 1: + for user_domain in self.user_domain_name_list[1:]: + domain_id = self._get_domain_id(user_domain, fail_if_not_found=False) + if not domain_id: + continue + # find if users of this domain are already provided. In this case ignore + for u in users: + if u.domain_id == domain_id: + break + else: + users += self.keystone.users.list(name=filter_name, domain=domain_id) + + # if filter name matches a user id, provide it also + if filter_name: + try: + user_obj = self.keystone.users.get(filter_name) + if user_obj not in users: + users.append(user_obj) + except Exception: + pass + users = [{ "username": user.name, "_id": user.id, "id": user.id, - "_admin": user.to_dict().get("_admin", {}) # TODO: REVISE + "_admin": user.to_dict().get("_admin", {}), # TODO: REVISE + "domain_name": self.domains_id2name.get(user.domain_id) } for user in users if user.name != self.admin_username] if filter_q and filter_q.get("_id"): @@ -440,16 +543,23 @@ class AuthconnKeystone(Authconn): :return: list of projects """ try: - filter_name = None + self._get_domains() + filter_name = filter_domain = None if filter_q: filter_name = filter_q.get("name") - projects = self.keystone.projects.list(name=filter_name) + if filter_q.get("domain_name"): + filter_domain = self.domains_name2id.get(filter_q["domain_name"]) + if filter_q.get("domain_id"): + filter_domain = filter_q["domain_id"] + + projects = self.keystone.projects.list(name=filter_name, domain=filter_domain) projects = [{ "name": project.name, "_id": project.id, "_admin": project.to_dict().get("_admin", {}), # TODO: REVISE "quotas": project.to_dict().get("quotas", {}), # TODO: REVISE + "domain_name": self.domains_id2name.get(project.domain_id) } for project in projects] if filter_q and filter_q.get("_id"): @@ -473,7 +583,7 @@ class AuthconnKeystone(Authconn): try: result = self.keystone.projects.create( project_info["name"], - project_info.get("project_domain_name", self.project_domain_name_list[0]), + domain=self._get_domain_id(project_info.get("domain_name", self.project_domain_name_list[0])), _admin=project_info["_admin"], quotas=project_info.get("quotas", {}) ) @@ -519,35 +629,27 @@ class AuthconnKeystone(Authconn): # self.logger.exception("Error during project update using keystone: {}".format(e)) raise AuthconnOperationException("Error during project update using Keystone: {}".format(e)) - def assign_role_to_user(self, user, project, role): + def assign_role_to_user(self, user_obj, project, role): """ Assigning a role to a user in a project. - :param user: username. + :param user_obj: user object, obtained with keystone.users.get or list. :param project: project name. :param role: role name. :raises AuthconnOperationException: if role assignment failed. """ try: - 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): + try: project_obj = self.keystone.projects.get(project) - else: + except Exception: 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): + try: role_obj = self.keystone.roles.get(role) - else: + except Exception: role_obj_list = self.keystone.roles.list(name=role) if not role_obj_list: raise AuthconnNotFoundException("Role '{}' not found".format(role)) @@ -557,38 +659,30 @@ class AuthconnKeystone(Authconn): 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)) + "Keystone: {}".format(role, user_obj.name, project, e)) - def remove_role_from_user(self, user, project, role): + def remove_role_from_user(self, user_obj, project, role): """ Remove a role from a user in a project. - :param user: username. + :param user_obj: user object, obtained with keystone.users.get or list. :param project: project name or id. :param role: role name or id. :raises AuthconnOperationException: if role assignment revocation failed. """ try: - 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): + try: project_obj = self.keystone.projects.get(project) - else: + except Exception: 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): + try: role_obj = self.keystone.roles.get(role) - else: + except Exception: role_obj_list = self.keystone.roles.list(name=role) if not role_obj_list: raise AuthconnNotFoundException("Role '{}' not found".format(role)) @@ -598,4 +692,4 @@ class AuthconnKeystone(Authconn): 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)) + "Keystone: {}".format(role, user_obj.name, project, e))