mirror of
https://github.com/avatao-content/baseimage-tutorial-framework
synced 2024-11-23 01:01:31 +00:00
53 lines
1.4 KiB
Python
53 lines
1.4 KiB
Python
import logging
|
|
|
|
from .history_monitor import BashMonitor
|
|
from .terminado_mini_server import TerminadoMiniServer
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class TerminalHandler:
|
|
keys = ['terminal']
|
|
type_id = 'ControlEventHandler'
|
|
|
|
def __init__(self, *, port, user, working_directory, histfile):
|
|
self.connector, self._historymonitor = None, None
|
|
self._histfile = histfile
|
|
bash_as_user_cmd = ['sudo', '-u', user, 'bash']
|
|
|
|
self.terminado_server = TerminadoMiniServer(
|
|
'/terminal',
|
|
port,
|
|
working_directory,
|
|
bash_as_user_cmd
|
|
)
|
|
self.terminado_server.listen()
|
|
|
|
self.commands = {
|
|
'terminal.write': self.handle_write
|
|
}
|
|
|
|
def start(self):
|
|
self._historymonitor = BashMonitor(self.connector, self._histfile)
|
|
self._historymonitor.start()
|
|
|
|
@property
|
|
def historymonitor(self):
|
|
return self._historymonitor
|
|
|
|
def handle_event(self, message, _):
|
|
try:
|
|
self.commands[message['key']](message)
|
|
except KeyError:
|
|
LOG.error('IGNORING MESSAGE: Invalid message received: %s', message)
|
|
|
|
def handle_write(self, message):
|
|
concat = message.get('concat', False)
|
|
if not concat:
|
|
self.terminado_server.pty.write('\x15')
|
|
self.terminado_server.pty.write(message['command'])
|
|
|
|
def cleanup(self):
|
|
self.terminado_server.stop()
|
|
self.historymonitor.stop()
|