ansible/postgresql_db
Michael DeHaan baacde6c74 Add encoding lines to python modules such that they can take unicode options if they are fed them, since the
AnsibleModule stuff no longer base64 encodes for simplicity and speed reasons.
2012-08-02 21:29:10 -04:00

103 lines
3.3 KiB
Python
Executable file

#!/usr/bin/python
# -*- coding: utf-8 -*-
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
try:
import psycopg2
except ImportError:
postgresqldb_found = False
else:
postgresqldb_found = True
# ===========================================
# PostgreSQL module specific support methods.
#
def db_exists(cursor, db):
query = "SELECT * FROM pg_database WHERE datname=%(db)s"
cursor.execute(query, {'db': db})
return cursor.rowcount == 1
def db_delete(cursor, db):
query = "DROP DATABASE %s" % db
cursor.execute(query)
return True
def db_create(cursor, db, owner, template, encoding):
if owner:
owner = " OWNER %s" % owner
if template:
template = " TEMPLATE %s" % template
if encoding:
encoding = " ENCODING '%s'" % encoding
query = "CREATE DATABASE %s%s%s%s" % (db, owner, template, encoding)
cursor.execute(query)
return True
# ===========================================
# Module execution.
#
def main():
module = AnsibleModule(
argument_spec=dict(
login_user=dict(default="postgres"),
login_password=dict(default=""),
login_host=dict(default=""),
db=dict(required=True, aliases=['name']),
owner=dict(default=""),
template=dict(default=""),
encoding=dict(default=""),
state=dict(default="present", choices=["absent", "present"]),
)
)
if not postgresqldb_found:
module.fail_json(msg="the python psycopg2 module is required")
db = module.params["db"]
owner = module.params["owner"]
template = module.params["template"]
encoding = module.params["encoding"]
state = module.params["state"]
changed = False
try:
db_connection = psycopg2.connect(host=module.params["login_host"],
user=module.params["login_user"],
password=module.params["login_password"],
database="template1")
# Enable autocommit so we can create databases
db_connection.autocommit = True
cursor = db_connection.cursor()
except Exception as e:
module.fail_json(msg="unable to connect to database: %s" % e)
try:
if db_exists(cursor, db):
if state == "absent":
changed = db_delete(cursor, db)
else:
if state == "present":
changed = db_create(cursor, db, owner, template, encoding)
except Exception as e:
module.fail_json(msg="Database query failed: %s" % e)
module.exit_json(changed=changed, db=db)
# this is magic, see lib/ansible/module_common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()