mirror of
https://github.com/avatao-content/baseimage-tutorial-framework
synced 2024-09-17 01:24:09 +00:00
51 lines
1.7 KiB
Python
51 lines
1.7 KiB
Python
# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
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# All Rights Reserved. See LICENSE file for details.
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from tfw import TriggerlessEventHandler
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from tfw.config import TFWENV
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from tfw.config.logs import logging
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from tao.config import TAOENV
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from .terminado_mini_server import TerminadoMiniServer
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LOG = logging.getLogger(__name__)
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class TerminadoEventHandler(TriggerlessEventHandler):
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def __init__(self, key, monitor):
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super().__init__(key)
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self.working_directory = TFWENV.TERMINADO_DIR
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self._historymonitor = monitor
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bash_as_user_cmd = ['sudo', '-u', TAOENV.USER, 'bash']
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self.terminado_server = TerminadoMiniServer('/terminal', TFWENV.TERMINADO_PORT, TFWENV.TERMINADO_WD, bash_as_user_cmd)
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self.commands = {'write': self.write,
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'read': self.read}
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if self._historymonitor:
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self._historymonitor.watch()
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self.terminado_server.listen()
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@property
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def historymonitor(self):
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return self._historymonitor
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def handle_event(self, message):
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LOG.debug('TerminadoEventHandler received event: %s', message)
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try:
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data = message['data']
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message['data'] = self.commands[data['command']](data)
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return message
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except KeyError:
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LOG.error('IGNORING MESSAGE: Invalid message received: %s', message)
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def write(self, data):
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self.terminado_server.pty.write(data['shellcmd'])
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def read(self, data):
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data['count'] = int(data.get('count', 1))
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if self.historymonitor:
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data['history'] = self.historymonitor.history[-data['count']:]
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return data
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def cleanup(self):
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if self.historymonitor:
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self.historymonitor.stop()
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