mirror of
https://github.com/thegeeklab/ansible-later.git
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376 lines
14 KiB
Python
376 lines
14 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Copyright: Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = """
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---
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module: vertica_user
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version_added: '2.0'
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short_description: Adds or removes Vertica database users and assigns roles.
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description:
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- Adds or removes Vertica database user and, optionally, assigns roles.
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- A user will not be removed until all the dependencies have been dropped.
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- In such a situation, if the module tries to remove the user it
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will fail and only remove roles granted to the user.
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options:
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name:
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description:
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- Name of the user to add or remove.
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required: true
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profile:
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description:
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- Sets the user's profile.
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resource_pool:
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description:
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- Sets the user's resource pool.
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password:
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description:
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- The user's password encrypted by the MD5 algorithm.
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- The password must be generated with the format C("md5" + md5[password + username]),
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resulting in a total of 35 characters. An easy way to do this is by querying
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the Vertica database with select 'md5'||md5('<user_password><user_name>').
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expired:
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description:
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- Sets the user's password expiration.
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ldap:
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description:
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- Set to true if users are authenticated via LDAP.
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- The user will be created with password expired and set to I($ldap$).
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roles:
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description:
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- Comma separated list of roles to assign to the user.
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aliases: ['role']
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state:
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description:
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- Whether to create C(present), drop C(absent) or lock C(locked) a user.
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choices: ['present', 'absent', 'locked']
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default: present
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db:
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description:
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- Name of the Vertica database.
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cluster:
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description:
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- Name of the Vertica cluster.
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default: localhost
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port:
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description:
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- Vertica cluster port to connect to.
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default: 5433
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login_user:
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description:
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- The username used to authenticate with.
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default: dbadmin
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login_password:
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description:
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- The password used to authenticate with.
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notes:
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- The default authentication assumes that you are either logging in as or sudo'ing
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to the C(dbadmin) account on the host.
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- This module uses C(pyodbc), a Python ODBC database adapter. You must ensure
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that C(unixODBC) and C(pyodbc) is installed on the host and properly configured.
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- Configuring C(unixODBC) for Vertica requires C(Driver = /opt/vertica/lib64/libverticaodbc.so)
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to be added to the C(Vertica) section of either C(/etc/odbcinst.ini) or C($HOME/.odbcinst.ini)
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and both C(ErrorMessagesPath = /opt/vertica/lib64) and C(DriverManagerEncoding = UTF-16)
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to be added to the C(Driver) section of either C(/etc/vertica.ini) or C($HOME/.vertica.ini).
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requirements: [ 'unixODBC', 'pyodbc' ]
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author: "Dariusz Owczarek (@dareko)"
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"""
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EXAMPLES = """
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- name: creating a new vertica user with password
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vertica_user: name=user_name password=md5<encrypted_password> db=db_name state=present
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- name: creating a new vertica user authenticated via ldap with roles assigned
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vertica_user:
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name=user_name
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ldap=true
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db=db_name
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roles=schema_name_ro
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state=present
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"""
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import traceback
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try:
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import pyodbc
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except ImportError:
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pyodbc_found = False
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else:
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pyodbc_found = True
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils._text import to_native
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class NotSupportedError(Exception):
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pass
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class CannotDropError(Exception):
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pass
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# module specific functions
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def get_user_facts(cursor, user=''):
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facts = {}
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cursor.execute("""
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select u.user_name, u.is_locked, u.lock_time,
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p.password, p.acctexpired as is_expired,
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u.profile_name, u.resource_pool,
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u.all_roles, u.default_roles
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from users u join password_auditor p on p.user_id = u.user_id
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where not u.is_super_user
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and (? = '' or u.user_name ilike ?)
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""", user, user)
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while True:
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rows = cursor.fetchmany(100)
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if not rows:
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break
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for row in rows:
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user_key = row.user_name.lower()
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facts[user_key] = {
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'name': row.user_name,
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'locked': str(row.is_locked),
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'password': row.password,
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'expired': str(row.is_expired),
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'profile': row.profile_name,
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'resource_pool': row.resource_pool,
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'roles': [],
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'default_roles': []}
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if row.is_locked:
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facts[user_key]['locked_time'] = str(row.lock_time)
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if row.all_roles:
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facts[user_key]['roles'] = row.all_roles.replace(' ', '').split(',')
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if row.default_roles:
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facts[user_key]['default_roles'] = row.default_roles.replace(' ', '').split(',')
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return facts
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def update_roles(user_facts, cursor, user,
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existing_all, existing_default, required):
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del_roles = list(set(existing_all) - set(required))
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if del_roles:
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cursor.execute("revoke {0} from {1}".format(','.join(del_roles), user))
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new_roles = list(set(required) - set(existing_all))
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if new_roles:
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cursor.execute("grant {0} to {1}".format(','.join(new_roles), user))
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if required:
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cursor.execute("alter user {0} default role {1}".format(user, ','.join(required)))
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def check(user_facts, user, profile, resource_pool,
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locked, password, expired, ldap, roles):
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user_key = user.lower()
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if user_key not in user_facts:
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return False
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if profile and profile != user_facts[user_key]['profile']:
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return False
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if resource_pool and resource_pool != user_facts[user_key]['resource_pool']:
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return False
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if locked != (user_facts[user_key]['locked'] == 'True'):
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return False
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if password and password != user_facts[user_key]['password']:
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return False
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if (expired is not None and expired != (user_facts[user_key]['expired'] == 'True') or
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ldap is not None and ldap != (user_facts[user_key]['expired'] == 'True')):
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return False
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if roles and (sorted(roles) != sorted(user_facts[user_key]['roles']) or
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sorted(roles) != sorted(user_facts[user_key]['default_roles'])):
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return False
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return True
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def present(user_facts, cursor, user, profile, resource_pool,
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locked, password, expired, ldap, roles):
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user_key = user.lower()
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if user_key not in user_facts:
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query_fragments = ["create user {0}".format(user)]
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if locked:
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query_fragments.append("account lock")
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if password or ldap:
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if password:
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query_fragments.append("identified by '{0}'".format(password))
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else:
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query_fragments.append("identified by '$ldap$'")
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if expired or ldap:
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query_fragments.append("password expire")
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if profile:
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query_fragments.append("profile {0}".format(profile))
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if resource_pool:
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query_fragments.append("resource pool {0}".format(resource_pool))
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cursor.execute(' '.join(query_fragments))
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if resource_pool and resource_pool != 'general':
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cursor.execute("grant usage on resource pool {0} to {1}".format(
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resource_pool, user))
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update_roles(user_facts, cursor, user, [], [], roles)
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user_facts.update(get_user_facts(cursor, user))
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return True
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else:
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changed = False
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query_fragments = ["alter user {0}".format(user)]
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if locked is not None and locked != (user_facts[user_key]['locked'] == 'True'):
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if locked:
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state = 'lock'
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else:
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state = 'unlock'
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query_fragments.append("account {0}".format(state))
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changed = True
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if password and password != user_facts[user_key]['password']:
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query_fragments.append("identified by '{0}'".format(password))
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changed = True
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if ldap:
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if ldap != (user_facts[user_key]['expired'] == 'True'):
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query_fragments.append("password expire")
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changed = True
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elif expired is not None and expired != (user_facts[user_key]['expired'] == 'True'):
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if expired:
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query_fragments.append("password expire")
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changed = True
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else:
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raise NotSupportedError("Unexpiring user password is not supported.")
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if profile and profile != user_facts[user_key]['profile']:
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query_fragments.append("profile {0}".format(profile))
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changed = True
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if resource_pool and resource_pool != user_facts[user_key]['resource_pool']:
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query_fragments.append("resource pool {0}".format(resource_pool))
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if user_facts[user_key]['resource_pool'] != 'general':
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cursor.execute("revoke usage on resource pool {0} from {1}".format(
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user_facts[user_key]['resource_pool'], user))
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if resource_pool != 'general':
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cursor.execute("grant usage on resource pool {0} to {1}".format(
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resource_pool, user))
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changed = True
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if changed:
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cursor.execute(' '.join(query_fragments))
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if roles and (sorted(roles) != sorted(user_facts[user_key]['roles']) or
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sorted(roles) != sorted(user_facts[user_key]['default_roles'])):
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update_roles(user_facts, cursor, user,
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user_facts[user_key]['roles'], user_facts[user_key]['default_roles'], roles)
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changed = True
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if changed:
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user_facts.update(get_user_facts(cursor, user))
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return changed
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def absent(user_facts, cursor, user, roles):
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user_key = user.lower()
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if user_key in user_facts:
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update_roles(user_facts, cursor, user,
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user_facts[user_key]['roles'], user_facts[user_key]['default_roles'], [])
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try:
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cursor.execute("drop user {0}".format(user_facts[user_key]['name']))
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except pyodbc.Error:
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raise CannotDropError("Dropping user failed due to dependencies.")
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del user_facts[user_key]
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return True
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else:
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return False
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# module logic
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def main():
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module = AnsibleModule(
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argument_spec=dict(
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user=dict(required=True, aliases=['name']),
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profile=dict(default=None),
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resource_pool=dict(default=None),
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password=dict(default=None, no_log=True),
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expired=dict(type='bool', default=None),
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ldap=dict(type='bool', default=None),
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roles=dict(default=None, aliases=['role']),
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state=dict(default='present', choices=['absent', 'present', 'locked']),
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db=dict(default=None),
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cluster=dict(default='localhost'),
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port=dict(default='5433'),
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login_user=dict(default='dbadmin'),
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login_password=dict(default=None, no_log=True),
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), supports_check_mode=True)
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if not pyodbc_found:
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module.fail_json(msg="The python pyodbc module is required.")
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user = module.params['user']
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profile = module.params['profile']
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if profile:
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profile = profile.lower()
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resource_pool = module.params['resource_pool']
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if resource_pool:
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resource_pool = resource_pool.lower()
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password = module.params['password']
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expired = module.params['expired']
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ldap = module.params['ldap']
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roles = []
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if module.params['roles']:
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roles = module.params['roles'].split(',')
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roles = filter(None, roles)
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state = module.params['state']
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if state == 'locked':
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locked = True
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else:
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locked = False
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db = ''
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if module.params['db']:
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db = module.params['db']
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changed = False
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try:
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dsn = (
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"Driver=Vertica;"
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"Server={0};"
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"Port={1};"
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"Database={2};"
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"User={3};"
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"Password={4};"
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"ConnectionLoadBalance={5}"
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).format(module.params['cluster'], module.params['port'], db,
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module.params['login_user'], module.params['login_password'], 'true')
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db_conn = pyodbc.connect(dsn, autocommit=True)
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cursor = db_conn.cursor()
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except Exception as e:
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module.fail_json(msg="Unable to connect to database: {0}.".format(e))
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try:
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user_facts = get_user_facts(cursor)
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if module.check_mode:
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changed = not check(user_facts, user, profile, resource_pool,
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locked, password, expired, ldap, roles)
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elif state == 'absent':
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try:
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changed = absent(user_facts, cursor, user, roles)
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except pyodbc.Error as e:
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module.fail_json(msg=to_native(e), exception=traceback.format_exc())
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elif state in ['present', 'locked']:
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try:
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changed = present(user_facts, cursor, user, profile, resource_pool,
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locked, password, expired, ldap, roles)
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except pyodbc.Error as e:
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module.fail_json(msg=to_native(e), exception=traceback.format_exc())
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except NotSupportedError as e:
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module.fail_json(msg=to_native(e), ansible_facts={'vertica_users': user_facts})
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except CannotDropError as e:
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module.fail_json(msg=to_native(e), ansible_facts={'vertica_users': user_facts})
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except SystemExit:
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# avoid catching this on python 2.4
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raise
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except Exception as e:
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module.fail_json(msg=to_native(e), exception=traceback.format_exc())
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module.exit_json(changed=changed, user=user, ansible_facts={'vertica_users': user_facts})
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if __name__ == '__main__':
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main()
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