#!/usr/bin/python # -*- coding: utf-8 -*- # Copyright Ansible Project # GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt) # SPDX-License-Identifier: GPL-3.0-or-later from __future__ import absolute_import, division, print_function __metaclass__ = type DOCUMENTATION = ''' --- module: vertica_role short_description: Adds or removes Vertica database roles and assigns roles to them description: - Adds or removes Vertica database role and, optionally, assign other roles. options: role: description: - Name of the role to add or remove. required: true type: str aliases: ['name'] assigned_roles: description: - Comma separated list of roles to assign to the role. aliases: ['assigned_role'] type: str state: description: - Whether to create C(present), drop C(absent) or lock C(locked) a role. choices: ['present', 'absent'] default: present type: str db: description: - Name of the Vertica database. type: str cluster: description: - Name of the Vertica cluster. default: localhost type: str port: description: - Vertica cluster port to connect to. default: '5433' type: str login_user: description: - The username used to authenticate with. default: dbadmin type: str login_password: description: - The password used to authenticate with. type: str notes: - The default authentication assumes that you are either logging in as or sudo'ing to the C(dbadmin) account on the host. - This module uses C(pyodbc), a Python ODBC database adapter. You must ensure that C(unixODBC) and C(pyodbc) is installed on the host and properly configured. - Configuring C(unixODBC) for Vertica requires C(Driver = /opt/vertica/lib64/libverticaodbc.so) to be added to the C(Vertica) section of either C(/etc/odbcinst.ini) or C($HOME/.odbcinst.ini) and both C(ErrorMessagesPath = /opt/vertica/lib64) and C(DriverManagerEncoding = UTF-16) to be added to the C(Driver) section of either C(/etc/vertica.ini) or C($HOME/.vertica.ini). requirements: [ 'unixODBC', 'pyodbc' ] author: "Dariusz Owczarek (@dareko)" ''' EXAMPLES = """ - name: Creating a new vertica role community.general.vertica_role: name=role_name db=db_name state=present - name: Creating a new vertica role with other role assigned community.general.vertica_role: name=role_name assigned_role=other_role_name state=present """ import traceback PYODBC_IMP_ERR = None try: import pyodbc except ImportError: PYODBC_IMP_ERR = traceback.format_exc() pyodbc_found = False else: pyodbc_found = True from ansible.module_utils.basic import AnsibleModule, missing_required_lib from ansible.module_utils.common.text.converters import to_native class NotSupportedError(Exception): pass class CannotDropError(Exception): pass # module specific functions def get_role_facts(cursor, role=''): facts = {} cursor.execute(""" select r.name, r.assigned_roles from roles r where (? = '' or r.name ilike ?) """, role, role) while True: rows = cursor.fetchmany(100) if not rows: break for row in rows: role_key = row.name.lower() facts[role_key] = { 'name': row.name, 'assigned_roles': []} if row.assigned_roles: facts[role_key]['assigned_roles'] = row.assigned_roles.replace(' ', '').split(',') return facts def update_roles(role_facts, cursor, role, existing, required): for assigned_role in set(existing) - set(required): cursor.execute("revoke {0} from {1}".format(assigned_role, role)) for assigned_role in set(required) - set(existing): cursor.execute("grant {0} to {1}".format(assigned_role, role)) def check(role_facts, role, assigned_roles): role_key = role.lower() if role_key not in role_facts: return False if assigned_roles and sorted(assigned_roles) != sorted(role_facts[role_key]['assigned_roles']): return False return True def present(role_facts, cursor, role, assigned_roles): role_key = role.lower() if role_key not in role_facts: cursor.execute("create role {0}".format(role)) update_roles(role_facts, cursor, role, [], assigned_roles) role_facts.update(get_role_facts(cursor, role)) return True else: changed = False if assigned_roles and (sorted(assigned_roles) != sorted(role_facts[role_key]['assigned_roles'])): update_roles(role_facts, cursor, role, role_facts[role_key]['assigned_roles'], assigned_roles) changed = True if changed: role_facts.update(get_role_facts(cursor, role)) return changed def absent(role_facts, cursor, role, assigned_roles): role_key = role.lower() if role_key in role_facts: update_roles(role_facts, cursor, role, role_facts[role_key]['assigned_roles'], []) cursor.execute("drop role {0} cascade".format(role_facts[role_key]['name'])) del role_facts[role_key] return True else: return False # module logic def main(): module = AnsibleModule( argument_spec=dict( role=dict(required=True, aliases=['name']), assigned_roles=dict(default=None, aliases=['assigned_role']), state=dict(default='present', choices=['absent', 'present']), db=dict(), cluster=dict(default='localhost'), port=dict(default='5433'), login_user=dict(default='dbadmin'), login_password=dict(no_log=True), ), supports_check_mode=True) if not pyodbc_found: module.fail_json(msg=missing_required_lib('pyodbc'), exception=PYODBC_IMP_ERR) role = module.params['role'] assigned_roles = [] if module.params['assigned_roles']: assigned_roles = module.params['assigned_roles'].split(',') assigned_roles = filter(None, assigned_roles) state = module.params['state'] db = '' if module.params['db']: db = module.params['db'] changed = False try: dsn = ( "Driver=Vertica;" "Server={0};" "Port={1};" "Database={2};" "User={3};" "Password={4};" "ConnectionLoadBalance={5}" ).format(module.params['cluster'], module.params['port'], db, module.params['login_user'], module.params['login_password'], 'true') db_conn = pyodbc.connect(dsn, autocommit=True) cursor = db_conn.cursor() except Exception as e: module.fail_json(msg="Unable to connect to database: {0}.".format(to_native(e))) try: role_facts = get_role_facts(cursor) if module.check_mode: changed = not check(role_facts, role, assigned_roles) elif state == 'absent': try: changed = absent(role_facts, cursor, role, assigned_roles) except pyodbc.Error as e: module.fail_json(msg=to_native(e), exception=traceback.format_exc()) elif state == 'present': try: changed = present(role_facts, cursor, role, assigned_roles) except pyodbc.Error as e: module.fail_json(msg=to_native(e), exception=traceback.format_exc()) except NotSupportedError as e: module.fail_json(msg=to_native(e), ansible_facts={'vertica_roles': role_facts}) except CannotDropError as e: module.fail_json(msg=to_native(e), ansible_facts={'vertica_roles': role_facts}) except SystemExit: # avoid catching this on python 2.4 raise except Exception as e: module.fail_json(msg=to_native(e), exception=traceback.format_exc()) module.exit_json(changed=changed, role=role, ansible_facts={'vertica_roles': role_facts}) if __name__ == '__main__': main()