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108 lines
4.7 KiB
Python
108 lines
4.7 KiB
Python
# Copyright (c) 2006-2009 Mitch Garnaat http://garnaat.org/
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish, dis-
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# tribute, sublicense, and/or sell copies of the Software, and to permit
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# persons to whom the Software is furnished to do so, subject to the fol-
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# lowing conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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#
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"""
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This installer will install mysql-server on an Ubuntu machine.
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In addition to the normal installation done by apt-get, it will
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also configure the new MySQL server to store it's data files in
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a different location. By default, this is /mnt but that can be
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configured in the [MySQL] section of the boto config file passed
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to the instance.
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"""
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from boto.pyami.installers.ubuntu.installer import Installer
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import os
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import boto
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from boto.utils import ShellCommand
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from boto.compat import ConfigParser
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import time
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ConfigSection = """
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[MySQL]
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root_password = <will be used as MySQL root password, default none>
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data_dir = <new data dir for MySQL, default is /mnt>
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"""
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class MySQL(Installer):
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def install(self):
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self.run('apt-get update')
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self.run('apt-get -y install mysql-server', notify=True, exit_on_error=True)
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# def set_root_password(self, password=None):
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# if not password:
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# password = boto.config.get('MySQL', 'root_password')
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# if password:
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# self.run('mysqladmin -u root password %s' % password)
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# return password
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def change_data_dir(self, password=None):
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data_dir = boto.config.get('MySQL', 'data_dir', '/mnt')
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fresh_install = False
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is_mysql_running_command = ShellCommand('mysqladmin ping') # exit status 0 if mysql is running
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is_mysql_running_command.run()
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if is_mysql_running_command.getStatus() == 0:
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# mysql is running. This is the state apt-get will leave it in. If it isn't running,
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# that means mysql was already installed on the AMI and there's no need to stop it,
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# saving 40 seconds on instance startup.
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time.sleep(10) #trying to stop mysql immediately after installing it fails
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# We need to wait until mysql creates the root account before we kill it
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# or bad things will happen
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i = 0
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while self.run("echo 'quit' | mysql -u root") != 0 and i < 5:
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time.sleep(5)
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i = i + 1
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self.run('/etc/init.d/mysql stop')
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self.run("pkill -9 mysql")
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mysql_path = os.path.join(data_dir, 'mysql')
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if not os.path.exists(mysql_path):
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self.run('mkdir %s' % mysql_path)
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fresh_install = True
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self.run('chown -R mysql:mysql %s' % mysql_path)
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fp = open('/etc/mysql/conf.d/use_mnt.cnf', 'w')
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fp.write('# created by pyami\n')
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fp.write('# use the %s volume for data\n' % data_dir)
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fp.write('[mysqld]\n')
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fp.write('datadir = %s\n' % mysql_path)
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fp.write('log_bin = %s\n' % os.path.join(mysql_path, 'mysql-bin.log'))
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fp.close()
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if fresh_install:
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self.run('cp -pr /var/lib/mysql/* %s/' % mysql_path)
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self.start('mysql')
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else:
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#get the password ubuntu expects to use:
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config_parser = ConfigParser()
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config_parser.read('/etc/mysql/debian.cnf')
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password = config_parser.get('client', 'password')
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# start the mysql deamon, then mysql with the required grant statement piped into it:
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self.start('mysql')
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time.sleep(10) #time for mysql to start
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grant_command = "echo \"GRANT ALL PRIVILEGES ON *.* TO 'debian-sys-maint'@'localhost' IDENTIFIED BY '%s' WITH GRANT OPTION;\" | mysql" % password
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while self.run(grant_command) != 0:
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time.sleep(5)
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# leave mysqld running
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def main(self):
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self.install()
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# change_data_dir runs 'mysql -u root' which assumes there is no mysql password, i
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# and changing that is too ugly to be worth it:
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#self.set_root_password()
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self.change_data_dir()
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