mirror of
https://github.com/avatao-content/baseimage-tutorial-framework
synced 2024-11-17 11:41:32 +00:00
42 lines
1.4 KiB
Python
42 lines
1.4 KiB
Python
import logging
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from xmlrpc.client import Fault as SupervisorFault
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from tfw.internals.networking import Scope
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from .supervisor import ProcessManager, ProcessLogManager
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LOG = logging.getLogger(__name__)
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class ProcessHandler(ProcessManager, ProcessLogManager):
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keys = ['process.start', 'process.stop', 'process.restart']
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def __init__(self, *, supervisor_uri, log_tail=0):
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ProcessManager.__init__(self, supervisor_uri)
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ProcessLogManager.__init__(self, supervisor_uri)
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self.log_tail = log_tail
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self.commands = {
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'process.start': self.start_process,
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'process.stop': self.stop_process,
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'process.restart': self.restart_process
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}
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def handle_event(self, message, connector):
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try:
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try:
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self.commands[message['key']](message['name'])
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except SupervisorFault as fault:
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message['error'] = fault.faultString
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finally:
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message['stdout'] = self.read_stdout(
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message['name'],
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self.log_tail
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)
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message['stderr'] = self.read_stderr(
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message['name'],
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self.log_tail
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)
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connector.send_message(message, scope=Scope.WEBSOCKET)
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except KeyError:
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LOG.error('IGNORING MESSAGE: Invalid message received: %s', message)
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