ansible/library/mysql_db

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2012-07-12 01:00:55 +02:00
#!/usr/bin/python
# (c) 2012, Mark Theunissen <mark.theunissen@gmail.com>
# Sponsored by Four Kitchens http://fourkitchens.com.
#
# 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 json
except ImportError:
import simplejson as json
import sys
import os
import os.path
import shlex
import syslog
import re
# ===========================================
# Standard Ansible support methods.
#
def exit_json(rc=0, **kwargs):
print json.dumps(kwargs)
sys.exit(rc)
def fail_json(**kwargs):
kwargs["failed"] = True
exit_json(rc=1, **kwargs)
# ===========================================
# Standard Ansible argument parsing code.
#
if len(sys.argv) == 1:
fail_json(msg="the mysql module requires arguments (-a)")
argfile = sys.argv[1]
if not os.path.exists(argfile):
fail_json(msg="argument file not found")
args = open(argfile, "r").read()
items = shlex.split(args)
syslog.openlog("ansible-%s" % os.path.basename(__file__))
syslog.syslog(syslog.LOG_NOTICE, "Invoked with %s" % args)
if not len(items):
fail_json(msg="the mysql module requires arguments (-a)")
params = {}
for x in items:
(k, v) = x.split("=")
params[k] = v
# ===========================================
# MySQL module specific support methods.
#
# Import MySQLdb here instead of at the top, so we can use the fail_json function.
try:
import MySQLdb
except ImportError:
fail_json(msg="The Python MySQL package is missing")
def db_exists(db):
res = cursor.execute("SHOW DATABASES LIKE %s", (db,))
return bool(res)
def db_delete(db):
query = "DROP DATABASE %s" % db
cursor.execute(query)
return True
def db_create(db,):
query = "CREATE DATABASE %s" % db
res = cursor.execute(query)
return True
# ===========================================
# Module execution.
#
# Gather arguments into local variables.
loginuser = params.get("loginuser", "root")
loginpass = params.get("loginpass", "")
loginhost = params.get("loginhost", "localhost")
db = params.get("db", None)
state = params.get("state", "present")
if state not in ["present", "absent"]:
fail_json(msg="invalid state, must be 'present' or 'absent'")
if db is not None:
changed = False
try:
db_connection = MySQLdb.connect(host=loginhost, user=loginuser, passwd=loginpass, db="mysql")
cursor = db_connection.cursor()
except Exception as e:
fail_json(msg="unable to connect to database")
if db_exists(db):
if state == "absent":
changed = db_delete(db)
else:
if state == "present":
changed = db_create(db)
exit_json(changed=changed, db=db)
fail_json(msg="invalid parameters passed, db parameter required")