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now supports users w/o a password, encrypted passwords and expiration

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Signed-off-by: Brian Coca <briancoca+dev@gmail.com>
This commit is contained in:
Brian Coca 2013-10-26 11:32:16 -04:00
parent 4f13967386
commit 61d9472312
1 changed files with 58 additions and 48 deletions
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106
library/database/postgresql_user
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@ -44,7 +44,7 @@ options:
password:
description:
- set the user's password
required: true
required: false
default: null
db:
description:
@ -90,6 +90,16 @@ options:
required: false
default: present
choices: [ "present", "absent" ]
encrypted:
description:
- denotes if the password is already encrypted. boolean.
required: false
default: false
expires:
description:
- sets the user's password expiration.
required: false
default: null
notes:
- The default authentication assumes that you are either logging in as or
sudo'ing to the postgres account on the host.
@ -146,15 +156,18 @@ def user_exists(cursor, user):
return cursor.rowcount > 0
def user_add(cursor, user, password, role_attr_flags):
def user_add(cursor, user, password, role_attr_flags, encrypted, expires):
"""Create a new database user (role)."""
query = 'CREATE USER "%(user)s" WITH PASSWORD %%(password)s %(role_attr_flags)s' % {
"user": user, "role_attr_flags": role_attr_flags
}
cursor.execute(query, {"password": password})
query = 'CREATE USER "%(user)s"' % { "user": user}
if password is not None:
query = query + " WITH %(crypt)s PASSWORD '%(password)s'" % { "crypt": encrypted, "password": password }
if expires is not None:
query = query + " VALID UNTIL '%(expires)s'" % { "exipres": expires }
query = query + " " + role_attr_flags
cursor.execute(query)
return True
def user_alter(cursor, user, password, role_attr_flags):
def user_alter(cursor, user, password, role_attr_flags, encrypted, expires):
"""Change user password and/or attributes. Return True if changed, False otherwise."""
changed = False
@ -174,16 +187,18 @@ def user_alter(cursor, user, password, role_attr_flags):
# Grab current role attributes.
current_role_attrs = cursor.fetchone()
alter = 'ALTER USER "%(user)s"' % {"user": user}
if password is not None:
# Update the role attributes, including password.
alter = 'ALTER USER "%(user)s" WITH PASSWORD %%(password)s %(role_attr_flags)s' % {
"user": user, "role_attr_flags": role_attr_flags
alter = alter + " WITH %(crypt)s PASSWORD '%(password)s' %(flags)s" % {
"crypt": encrypted, "password": password, "flags": role_attr_flags
}
cursor.execute(alter, {"password": password})
else:
# Update the role attributes, excluding password.
alter = "ALTER USER \"%(user)s\" WITH %(role_attr_flags)s"
cursor.execute(alter % {"user": user, "role_attr_flags": role_attr_flags})
elif role_attr_flags:
alter = alter + ' WITH ' + role_attr_flags
if expires is not None:
alter = alter + " VALID UNTIL '%(expires)s'" % { "exipres": expires }
cursor.execute(alter)
# Grab new role attributes.
cursor.execute(select, {"user": user})
new_role_attrs = cursor.fetchone()
@ -383,8 +398,10 @@ def main():
priv=dict(default=None),
db=dict(default=''),
port=dict(default='5432'),
fail_on_user=dict(default='yes'),
role_attr_flags=dict(default='')
fail_on_user=dict(type='bool', choices=BOOLEANS, default='yes'),
role_attr_flags=dict(default=''),
encrypted=dict(type='bool', choices=BOOLEANS, default='no'),
expires=dict(default=None)
),
supports_check_mode = True
)
@ -392,13 +409,18 @@ def main():
user = module.params["user"]
password = module.params["password"]
state = module.params["state"]
fail_on_user = module.params["fail_on_user"] == 'yes'
fail_on_user = module.params["fail_on_user"]
db = module.params["db"]
if db == '' and module.params["priv"] is not None:
module.fail_json(msg="privileges require a database to be specified")
privs = parse_privs(module.params["priv"], db)
port = module.params["port"]
role_attr_flags = parse_role_attrs(module.params["role_attr_flags"])
if module.params["encrypted"]:
encrypted = "ENCRYPTED"
else:
encrypted = "UNENCRYPTED"
expires = module.params["expires"]
if not postgresqldb_found:
module.fail_json(msg="the python psycopg2 module is required")
@ -424,44 +446,32 @@ def main():
kw = dict(user=user)
changed = False
user_removed = False
if state == "present":
if user_exists(cursor, user):
if module.check_mode:
kw['changed'] = True
module.exit_json(**kw)
changed = user_alter(cursor, user, password, role_attr_flags)
changed = user_alter(cursor, user, password, role_attr_flags, encrypted, expires)
else:
if password is None:
msg = "password parameter required when adding a user"
module.fail_json(msg=msg)
if module.check_mode:
kw['changed'] = True
module.exit_json(**kw)
changed = user_add(cursor, user, password, role_attr_flags)
changed = user_add(cursor, user, password, role_attr_flags, encrypted, expires)
changed = grant_privileges(cursor, user, privs) or changed
else:
if user_exists(cursor, user):
if module.check_mode:
kw['changed'] = True
kw['user_removed'] = True
module.exit_json(**kw)
changed = revoke_privileges(cursor, user, privs)
user_removed = user_delete(cursor, user)
changed = changed or user_removed
if fail_on_user and not user_removed:
msg = "unable to remove user"
module.fail_json(msg=msg)
kw['user_removed'] = user_removed
if module.check_mode:
changed = True
kw['user_removed'] = True
else:
changed = revoke_privileges(cursor, user, privs)
user_removed = user_delete(cursor, user)
changed = changed or user_removed
if fail_on_user and not user_removed:
msg = "unable to remove user"
module.fail_json(msg=msg)
kw['user_removed'] = user_removed
if changed:
db_connection.commit()
if module.check_mode:
db_connection.rollback()
else:
db_connection.commit()
kw['changed'] = changed
module.exit_json(**kw)