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https://github.com/avatao-content/baseimage-tutorial-framework
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46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
import logging
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from tfw.internals.networking import Scope
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from tfw.internals.inotify import InotifyObserver
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from .supervisor import ProcessLogManager
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class LogInotifyObserver(InotifyObserver, ProcessLogManager):
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def __init__(self, connector, supervisor_uri, process_name, log_tail=0):
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self._prevent_log_recursion()
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self._connector = connector
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self._process_name = process_name
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self.log_tail = log_tail
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self._procinfo = None
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ProcessLogManager.__init__(self, supervisor_uri)
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InotifyObserver.__init__(self, self._get_logfiles())
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@staticmethod
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def _prevent_log_recursion():
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# This is done to prevent inotify event logs triggering themselves (infinite log recursion)
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logging.getLogger('watchdog.observers.inotify_buffer').propagate = False
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def _get_logfiles(self):
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self._procinfo = self.supervisor.getProcessInfo(self._process_name)
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return self._procinfo['stdout_logfile'], self._procinfo['stderr_logfile']
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@property
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def process_name(self):
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return self._process_name
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@process_name.setter
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def process_name(self, process_name):
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self._process_name = process_name
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self.paths = self._get_logfiles()
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def on_modified(self, event):
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self._connector.send_message({
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'key': 'processlog',
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'data': {
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'command': 'new_log',
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'stdout': self.read_stdout(self.process_name, tail=self.log_tail),
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'stderr': self.read_stderr(self.process_name, tail=self.log_tail)
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}
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}, Scope.BROADCAST)
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