import textwrap from django.utils.translation import ugettext_lazy as _ from orchestra.apps.orchestration import ServiceController from orchestra.apps.resources import ServiceMonitor from . import settings class MySQLBackend(ServiceController): verbose_name = "MySQL database" model = 'databases.Database' def save(self, database): context = self.get_context(database) # Not available on delete() context['owner'] = database.owner self.append( "mysql -e 'CREATE DATABASE `%(database)s`;' || true" % context ) # clean previous privileges self.append("""mysql mysql -e 'DELETE FROM db WHERE db = "%(database)s";'""" % context) for user in database.users.all(): context.update({ 'username': user.username, 'grant': 'WITH GRANT OPTION' if user == context['owner'] else '' }) self.append(textwrap.dedent("""\ mysql -e 'GRANT ALL PRIVILEGES ON `%(database)s`.* TO "%(username)s"@"%(host)s" %(grant)s;' \ """ % context )) def delete(self, database): context = self.get_context(database) self.append("mysql -e 'DROP DATABASE `%(database)s`;'" % context) def commit(self): self.append("mysql -e 'FLUSH PRIVILEGES;'") def get_context(self, database): return { 'database': database.name, 'host': settings.DATABASES_DEFAULT_HOST, } class MySQLUserBackend(ServiceController): verbose_name = "MySQL user" model = 'databases.DatabaseUser' def save(self, user): context = self.get_context(user) self.append(textwrap.dedent("""\ mysql -e 'CREATE USER "%(username)s"@"%(host)s";' || true \ """ % context )) self.append(textwrap.dedent("""\ mysql -e 'UPDATE mysql.user SET Password="%(password)s" WHERE User="%(username)s";' \ """ % context )) def delete(self, user): context = self.get_context(user) self.append(textwrap.dedent("""\ mysql -e 'DROP USER "%(username)s"@"%(host)s";' \ """ % context )) def commit(self): self.append("mysql -e 'FLUSH PRIVILEGES;'") def get_context(self, user): return { 'username': user.username, 'password': user.password, 'host': settings.DATABASES_DEFAULT_HOST, } class MysqlDisk(ServiceMonitor): model = 'databases.Database' verbose_name = _("MySQL disk") def exceeded(self, db): context = self.get_context(db) self.append(textwrap.dedent("""\ mysql -e 'UPDATE db SET Insert_priv="N", Create_priv="N" WHERE Db="%(db_name)s";' \ """ % context )) def recovery(self, db): context = self.get_context(db) self.append(textwrap.dedent("""\ mysql -e 'UPDATE db SET Insert_priv="Y", Create_priv="Y" WHERE Db="%(db_name)s";' \ """ % context )) def monitor(self, db): context = self.get_context(db) self.append(textwrap.dedent("""\ echo %(db_id)s $(mysql -B -e '" SELECT sum( data_length + index_length ) "Size" FROM information_schema.TABLES WHERE table_schema = "gisp" GROUP BY table_schema;' | tail -n 1) \ """ % context )) def get_context(self, db): return { 'db_name': db.name, 'db_id': db.pk, }