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# -*- coding: utf-8 -*-
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# Copyright (C) 2014-2016 RhodeCode GmbH
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License, version 3
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# (only), as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# This program is dual-licensed. If you wish to learn more about the
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# RhodeCode Enterprise Edition, including its added features, Support services,
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# and proprietary license terms, please see https://rhodecode.com/licenses/
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"""
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Model for supervisor process manager
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"""
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import xmlrpclib
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import logging
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import traceback
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import rhodecode
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from rhodecode.model import BaseModel
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log = logging.getLogger(__name__)
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SUPERVISOR_MASTER = 'MASTER' # special name for supervisor master process
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class SupervisorModel(BaseModel):
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cls = None
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def __init__(self, sa=None):
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super(SupervisorModel, self).__init__(sa=sa)
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def _verify_connection(self, connection):
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if not isinstance(connection, xmlrpclib.ServerProxy):
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raise Exception('Invalid connection given, got %s, expected %s'
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% (type(connection), xmlrpclib.ServerProxy))
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def get_connection(self, supervisor_uri):
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uri = supervisor_uri or 'http://'
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try:
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server_connection = xmlrpclib.ServerProxy(uri)
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return server_connection
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except Exception as e:
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log.error(traceback.format_exc())
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raise
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def get_master_log(self, connection, offset, length):
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self._verify_connection(connection)
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return connection.supervisor.readLog(offset, length)
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def get_master_state(self, connection):
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self._verify_connection(connection)
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_data = connection.supervisor.getState()
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_data.update({'pid': connection.supervisor.getPID()})
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_data.update({'id': connection.supervisor.getIdentification()})
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_data.update({'ver': connection.supervisor.getSupervisorVersion()})
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return _data
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def get_group_processes(self, connection, groupid):
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self._verify_connection(connection)
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res = []
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for data in connection.supervisor.getAllProcessInfo():
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if data['group'] == groupid:
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res.append(data)
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return res
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def get_process_info(self, connection, procid):
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self._verify_connection(connection)
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return connection.supervisor.getProcessInfo(procid)
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def read_process_log(self, connection, procid, offset, length):
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self._verify_connection(connection)
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if procid == SUPERVISOR_MASTER:
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log = self.get_master_log(connection, offset, length)
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else:
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log = connection.supervisor.readProcessLog(procid, offset, length)
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# make sure we just return whole lines not to confuse people
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return ''.join(log.splitlines(1)[1:])
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