cmueller/ansible
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity
ansible/database/mysql/mysql_db.py
Toshio Kuratomi a1135f803d Fix for int port assignment in a playbook failing 
Ports are integer values but the old code was assuming they were
strings.  When login_port is put into playbook complex_args as an
integer the code would fail.  This update should make the argument
validating make sure we have an integer and then we can send that value
directly to the relevant APIs.

Fixes #818
2015-03-03 14:23:07 -08:00

378 lines
14 KiB
Python
Raw Blame History

#!/usr/bin/python
# -*- coding: utf-8 -*-
# (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/>.
DOCUMENTATION = '''
---
module: mysql_db
short_description: Add or remove MySQL databases from a remote host.
description:
- Add or remove MySQL databases from a remote host.
version_added: "0.6"
options:
name:
description:
- name of the database to add or remove
required: true
default: null
aliases: [ db ]
login_user:
description:
- The username used to authenticate with
required: false
default: null
login_password:
description:
- The password used to authenticate with
required: false
default: null
login_host:
description:
- Host running the database
required: false
default: localhost
login_port:
description:
- Port of the MySQL server. Requires login_host be defined as other then localhost if login_port is used
required: false
default: 3306
login_unix_socket:
description:
- The path to a Unix domain socket for local connections
required: false
default: null
state:
description:
- The database state
required: false
default: present
choices: [ "present", "absent", "dump", "import" ]
collation:
description:
- Collation mode
required: false
default: null
encoding:
description:
- Encoding mode
required: false
default: null
target:
description:
- Location, on the remote host, of the dump file to read from or write to. Uncompressed SQL
files (C(.sql)) as well as bzip2 (C(.bz2)) and gzip (C(.gz)) compressed files are supported.
required: false
notes:
- Requires the MySQLdb Python package on the remote host. For Ubuntu, this
is as easy as apt-get install python-mysqldb. (See M(apt).)
- Both I(login_password) and I(login_user) are required when you are
passing credentials. If none are present, the module will attempt to read
the credentials from C(~/.my.cnf), and finally fall back to using the MySQL
default login of C(root) with no password.
requirements: [ ConfigParser ]
author: Mark Theunissen
'''
EXAMPLES = '''
# Create a new database with name 'bobdata'
- mysql_db: name=bobdata state=present
# Copy database dump file to remote host and restore it to database 'my_db'
- copy: src=dump.sql.bz2 dest=/tmp
- mysql_db: name=my_db state=import target=/tmp/dump.sql.bz2
'''
import ConfigParser
import os
import pipes
import stat
try:
import MySQLdb
except ImportError:
mysqldb_found = False
else:
mysqldb_found = True
# ===========================================
# MySQL module specific support methods.
#
def db_exists(cursor, db):
res = cursor.execute("SHOW DATABASES LIKE %s", (db.replace("_","\_"),))
return bool(res)
def db_delete(cursor, db):
query = "DROP DATABASE %s" % mysql_quote_identifier(db, 'database')
cursor.execute(query)
return True
def db_dump(module, host, user, password, db_name, target, port, socket=None):
cmd = module.get_bin_path('mysqldump', True)
cmd += " --quick --user=%s --password=%s" % (pipes.quote(user), pipes.quote(password))
if socket is not None:
cmd += " --socket=%s" % pipes.quote(socket)
else:
cmd += " --host=%s --port=%i" % (pipes.quote(host), port)
cmd += " %s" % pipes.quote(db_name)
if os.path.splitext(target)[-1] == '.gz':
cmd = cmd + ' | gzip > ' + pipes.quote(target)
elif os.path.splitext(target)[-1] == '.bz2':
cmd = cmd + ' | bzip2 > ' + pipes.quote(target)
else:
cmd += " > %s" % pipes.quote(target)
rc, stdout, stderr = module.run_command(cmd, use_unsafe_shell=True)
return rc, stdout, stderr
def db_import(module, host, user, password, db_name, target, port, socket=None):
if not os.path.exists(target):
return module.fail_json(msg="target %s does not exist on the host" % target)
cmd = module.get_bin_path('mysql', True)
cmd += " --user=%s --password=%s" % (pipes.quote(user), pipes.quote(password))
if socket is not None:
cmd += " --socket=%s" % pipes.quote(socket)
else:
cmd += " --host=%s --port=%i" % (pipes.quote(host), port)
cmd += " -D %s" % pipes.quote(db_name)
if os.path.splitext(target)[-1] == '.gz':
gunzip_path = module.get_bin_path('gunzip')
if gunzip_path:
rc, stdout, stderr = module.run_command('%s %s' % (gunzip_path, target))
if rc != 0:
return rc, stdout, stderr
cmd += " < %s" % pipes.quote(os.path.splitext(target)[0])
rc, stdout, stderr = module.run_command(cmd, use_unsafe_shell=True)
if rc != 0:
return rc, stdout, stderr
gzip_path = module.get_bin_path('gzip')
if gzip_path:
rc, stdout, stderr = module.run_command('%s %s' % (gzip_path, os.path.splitext(target)[0]))
else:
module.fail_json(msg="gzip command not found")
else:
module.fail_json(msg="gunzip command not found")
elif os.path.splitext(target)[-1] == '.bz2':
bunzip2_path = module.get_bin_path('bunzip2')
if bunzip2_path:
rc, stdout, stderr = module.run_command('%s %s' % (bunzip2_path, target))
if rc != 0:
return rc, stdout, stderr
cmd += " < %s" % pipes.quote(os.path.splitext(target)[0])
rc, stdout, stderr = module.run_command(cmd, use_unsafe_shell=True)
if rc != 0:
return rc, stdout, stderr
bzip2_path = module.get_bin_path('bzip2')
if bzip2_path:
rc, stdout, stderr = module.run_command('%s %s' % (bzip2_path, os.path.splitext(target)[0]))
else:
module.fail_json(msg="bzip2 command not found")
else:
module.fail_json(msg="bunzip2 command not found")
else:
cmd += " < %s" % pipes.quote(target)
rc, stdout, stderr = module.run_command(cmd, use_unsafe_shell=True)
return rc, stdout, stderr
def db_create(cursor, db, encoding, collation):
query_params = dict(enc=encoding, collate=collation)
query = ['CREATE DATABASE %s' % mysql_quote_identifier(db, 'database')]
if encoding:
query.append("CHARACTER SET %(enc)s")
if collation:
query.append("COLLATE %(collate)s")
query = ' '.join(query)
res = cursor.execute(query, query_params)
return True
def strip_quotes(s):
""" Remove surrounding single or double quotes
>>> print strip_quotes('hello')
hello
>>> print strip_quotes('"hello"')
hello
>>> print strip_quotes("'hello'")
hello
>>> print strip_quotes("'hello")
'hello
"""
single_quote = "'"
double_quote = '"'
if s.startswith(single_quote) and s.endswith(single_quote):
s = s.strip(single_quote)
elif s.startswith(double_quote) and s.endswith(double_quote):
s = s.strip(double_quote)
return s
def config_get(config, section, option):
""" Calls ConfigParser.get and strips quotes
See: http://dev.mysql.com/doc/refman/5.0/en/option-files.html
"""
return strip_quotes(config.get(section, option))
def load_mycnf():
config = ConfigParser.RawConfigParser()
mycnf = os.path.expanduser('~/.my.cnf')
if not os.path.exists(mycnf):
return False
try:
config.readfp(open(mycnf))
except (IOError):
return False
# We support two forms of passwords in .my.cnf, both pass= and password=,
# as these are both supported by MySQL.
try:
passwd = config_get(config, 'client', 'password')
except (ConfigParser.NoOptionError):
try:
passwd = config_get(config, 'client', 'pass')
except (ConfigParser.NoOptionError):
return False
try:
creds = dict(user=config_get(config, 'client', 'user'),passwd=passwd)
except (ConfigParser.NoOptionError):
return False
return creds
# ===========================================
# Module execution.
#
def main():
module = AnsibleModule(
argument_spec = dict(
login_user=dict(default=None),
login_password=dict(default=None),
login_host=dict(default="localhost"),
login_port=dict(default=3306, type='int'),
login_unix_socket=dict(default=None),
name=dict(required=True, aliases=['db']),
encoding=dict(default=""),
collation=dict(default=""),
target=dict(default=None),
state=dict(default="present", choices=["absent", "present","dump", "import"]),
)
)
if not mysqldb_found:
module.fail_json(msg="the python mysqldb module is required")
db = module.params["name"]
encoding = module.params["encoding"]
collation = module.params["collation"]
state = module.params["state"]
target = module.params["target"]
socket = module.params["login_unix_socket"]
login_port = module.params["login_port"]
if login_port < 0 or login_port > 65535:
module.fail_json(msg="login_port must be a valid unix port number (0-65535)")
# make sure the target path is expanded for ~ and $HOME
if target is not None:
target = os.path.expandvars(os.path.expanduser(target))
# Either the caller passes both a username and password with which to connect to
# mysql, or they pass neither and allow this module to read the credentials from
# ~/.my.cnf.
login_password = module.params["login_password"]
login_user = module.params["login_user"]
if login_user is None and login_password is None:
mycnf_creds = load_mycnf()
if mycnf_creds is False:
login_user = "root"
login_password = ""
else:
login_user = mycnf_creds["user"]
login_password = mycnf_creds["passwd"]
elif login_password is None or login_user is None:
module.fail_json(msg="when supplying login arguments, both login_user and login_password must be provided")
login_host = module.params["login_host"]
if state in ['dump','import']:
if target is None:
module.fail_json(msg="with state=%s target is required" % (state))
connect_to_db = db
else:
connect_to_db = ''
try:
if socket:
try:
socketmode = os.stat(socket).st_mode
if not stat.S_ISSOCK(socketmode):
module.fail_json(msg="%s, is not a socket, unable to connect" % socket)
except OSError:
module.fail_json(msg="%s, does not exist, unable to connect" % socket)
db_connection = MySQLdb.connect(host=module.params["login_host"], unix_socket=socket, user=login_user, passwd=login_password, db=connect_to_db)
elif login_port != 3306 and module.params["login_host"] == "localhost":
module.fail_json(msg="login_host is required when login_port is defined, login_host cannot be localhost when login_port is defined")
else:
db_connection = MySQLdb.connect(host=module.params["login_host"], port=login_port, user=login_user, passwd=login_password, db=connect_to_db)
cursor = db_connection.cursor()
except Exception, e:
if "Unknown database" in str(e):
errno, errstr = e.args
module.fail_json(msg="ERROR: %s %s" % (errno, errstr))
else:
module.fail_json(msg="unable to connect, check login credentials (login_user, and login_password, which can be defined in ~/.my.cnf), check that mysql socket exists and mysql server is running")
changed = False
if db_exists(cursor, db):
if state == "absent":
try:
changed = db_delete(cursor, db)
except Exception, e:
module.fail_json(msg="error deleting database: " + str(e))
elif state == "dump":
rc, stdout, stderr = db_dump(module, login_host, login_user,
login_password, db, target,
port=login_port,
socket=module.params['login_unix_socket'])
if rc != 0:
module.fail_json(msg="%s" % stderr)
else:
module.exit_json(changed=True, db=db, msg=stdout)
elif state == "import":
rc, stdout, stderr = db_import(module, login_host, login_user,
login_password, db, target,
port=login_port,
socket=module.params['login_unix_socket'])
if rc != 0:
module.fail_json(msg="%s" % stderr)
else:
module.exit_json(changed=True, db=db, msg=stdout)
else:
if state == "present":
try:
changed = db_create(cursor, db, encoding, collation)
except Exception, e:
module.fail_json(msg="error creating database: " + str(e))
module.exit_json(changed=changed, db=db)
# import module snippets
from ansible.module_utils.basic import *
from ansible.module_utils.database import *
if __name__ == '__main__':
main()
Reference in a new issue View git blame Copy permalink