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124 lines
5.1 KiB
124 lines
5.1 KiB
from cement.core.controller import CementBaseController, expose
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from cement.core import handler, hook
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from ee.core.mysql import EEMysql
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from ee.core.logging import Log
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from ee.core.variables import EEVariables
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from ee.core.aptget import EEAptGet
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from ee.core.shellexec import EEShellExec
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from ee.core.apt_repo import EERepo
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from ee.core.services import EEService
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import configparser
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import os
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class EEStackMigrateController(CementBaseController):
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class Meta:
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label = 'migrate'
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stacked_on = 'stack'
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stacked_type = 'nested'
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description = ('Migrate stack safely')
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arguments = [
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(['--mariadb'],
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dict(help="Migrate database to MariaDB",
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action='store_true')),
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# (['--PHP'],
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# dict(help="update to html site", action='store_true')),
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]
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@expose(hide=True)
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def migrate_mariadb(self):
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# Backup all database
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EEMysql.backupAll(self)
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# Add MariaDB repo
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Log.info(self, "Adding repository for MariaDB, please wait...")
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mysql_pref = ("Package: *\nPin: origin mirror.aarnet.edu.au"
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"\nPin-Priority: 1000\n")
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with open('/etc/apt/preferences.d/'
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'MariaDB.pref', 'w') as mysql_pref_file:
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mysql_pref_file.write(mysql_pref)
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EERepo.add(self, repo_url=EEVariables.ee_mysql_repo)
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Log.debug(self, 'Adding key for {0}'
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.format(EEVariables.ee_mysql_repo))
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EERepo.add_key(self, '0xcbcb082a1bb943db',
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keyserver="keyserver.ubuntu.com")
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config = configparser.ConfigParser()
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config.read('/etc/mysql/conf.d/my.cnf')
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try:
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chars = config['client']['password']
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except Exception as e:
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Log.error(self, "Error: process exited with error %s"
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% e)
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Log.debug(self, "Pre-seeding MariaDB")
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Log.debug(self, "echo \"mariadb-server-10.0 "
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"mysql-server/root_password "
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"password \" | "
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"debconf-set-selections")
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EEShellExec.cmd_exec(self, "echo \"mariadb-server-10.0 "
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"mysql-server/root_password "
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"password {chars}\" | "
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"debconf-set-selections"
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.format(chars=chars),
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log=False)
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Log.debug(self, "echo \"mariadb-server-10.0 "
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"mysql-server/root_password_again "
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"password \" | "
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"debconf-set-selections")
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EEShellExec.cmd_exec(self, "echo \"mariadb-server-10.0 "
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"mysql-server/root_password_again "
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"password {chars}\" | "
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"debconf-set-selections"
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.format(chars=chars),
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log=False)
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# Install MariaDB
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apt_packages = EEVariables.ee_mysql
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# If PHP is installed then install php5-mysql
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if EEAptGet.is_installed(self, "php5-fpm"):
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apt_packages = apt_packages + ["php5-mysql"]
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# If mail server is installed then install dovecot-sql and postfix-sql
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if EEAptGet.is_installed(self, "dovecot-core"):
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apt_packages = apt_packages + ["dovecot-mysql", "postfix-mysql",
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"libclass-dbi-mysql-perl"]
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Log.info(self, "Updating apt-cache, please wait...")
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EEAptGet.update(self)
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Log.info(self, "Installing MariaDB, please wait...")
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EEAptGet.remove(self, ["mysql-common", "libmysqlclient18"])
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EEAptGet.auto_remove(self)
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EEAptGet.install(self, apt_packages)
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# Restart dovecot and postfix if installed
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if EEAptGet.is_installed(self, "dovecot-core"):
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EEService.restart_service(self, 'dovecot')
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EEService.restart_service(self, 'postfix')
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@expose(hide=True)
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def default(self):
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if ((not self.app.pargs.mariadb)):
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self.app.args.print_help()
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if self.app.pargs.mariadb:
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if EEVariables.ee_mysql_host is not "localhost":
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Log.error(self, "Remote MySQL found, EasyEngine will not "
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"install MariaDB")
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if EEShellExec.cmd_exec(self, "mysqladmin ping") and (not
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EEAptGet.is_installed(self, 'mariadb-server')):
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Log.info(self, "If your database size is big, "
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"migration may take some time.")
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Log.info(self, "During migration non nginx-cached parts of "
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"your site may remain down")
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start_migrate = input("Type \"mariadb\" to continue:")
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if start_migrate != "mariadb":
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Log.error(self, "Not starting migration")
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self.migrate_mariadb()
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else:
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Log.error(self, "Your current MySQL is not alive or "
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"you allready installed MariaDB")
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