示例#1
0
        def _inner():
            if initial_delay:
                greenthread.sleep(initial_delay)

            try:
                while self._running:
                    start = _ts()
                    self.f(*self.args, **self.kw)
                    end = _ts()
                    if not self._running:
                        break
                    delay = end - start - interval
                    if delay > 0:
                        LOG.warn(
                            _LW('task %(func_name)s run outlasted '
                                'interval by %(delay).2f sec'), {
                                    'func_name': repr(self.f),
                                    'delay': delay
                                })
                    greenthread.sleep(-delay if delay < 0 else 0)
            except LoopingCallDone as e:
                self.stop()
                done.send(e.retvalue)
            except Exception:
                LOG.exception(_LE('in fixed duration looping call'))
                done.send_exception(*sys.exc_info())
                return
            else:
                done.send(True)
示例#2
0
    def _wait_for_exit_or_signal(self, ready_callback=None):
        status = None
        signo = 0

        LOG.debug('Full set of CONF:')
        CONF.log_opt_values(LOG, std_logging.DEBUG)

        try:
            if ready_callback:
                ready_callback()
            super(ServiceLauncher, self).wait()
        except SignalExit as exc:
            signame = _signo_to_signame(exc.signo)
            LOG.info(_LI('Caught %s, exiting'), signame)
            status = exc.code
            signo = exc.signo
        except SystemExit as exc:
            status = exc.code
        finally:
            self.stop()
            if rpc:
                try:
                    rpc.cleanup()
                except Exception:
                    # We're shutting down, so it doesn't matter at this point.
                    LOG.exception(_LE('Exception during rpc cleanup.'))

        return status, signo
示例#3
0
 def inner_func(*args, **kwargs):
     last_log_time = 0
     last_exc_message = None
     exc_count = 0
     while True:
         try:
             return infunc(*args, **kwargs)
         except Exception as exc:
             this_exc_message = six.u(str(exc))
             if this_exc_message == last_exc_message:
                 exc_count += 1
             else:
                 exc_count = 1
             # Do not log any more frequently than once a minute unless
             # the exception message changes
             cur_time = int(time.time())
             if (cur_time - last_log_time > 60
                     or this_exc_message != last_exc_message):
                 logging.exception(
                     _LE('Unexpected exception occurred %d time(s)... '
                         'retrying.') % exc_count)
                 last_log_time = cur_time
                 last_exc_message = this_exc_message
                 exc_count = 0
             # This should be a very rare event. In case it isn't, do
             # a sleep.
             time.sleep(1)
示例#4
0
        def _inner():
            if initial_delay:
                greenthread.sleep(initial_delay)

            try:
                while self._running:
                    idle = self.f(*self.args, **self.kw)
                    if not self._running:
                        break

                    if periodic_interval_max is not None:
                        idle = min(idle, periodic_interval_max)
                    LOG.debug(
                        'Dynamic looping call %(func_name)s sleeping '
                        'for %(idle).02f seconds', {
                            'func_name': repr(self.f),
                            'idle': idle
                        })
                    greenthread.sleep(idle)
            except LoopingCallDone as e:
                self.stop()
                done.send(e.retvalue)
            except Exception:
                LOG.exception(_LE('in dynamic looping call'))
                done.send_exception(*sys.exc_info())
                return
            else:
                done.send(True)
示例#5
0
 def inner_func(*args, **kwargs):
     last_log_time = 0
     last_exc_message = None
     exc_count = 0
     while True:
         try:
             return infunc(*args, **kwargs)
         except Exception as exc:
             this_exc_message = six.u(str(exc))
             if this_exc_message == last_exc_message:
                 exc_count += 1
             else:
                 exc_count = 1
             # Do not log any more frequently than once a minute unless
             # the exception message changes
             cur_time = int(time.time())
             if (cur_time - last_log_time > 60
                     or this_exc_message != last_exc_message):
                 logging.exception(
                     _LE('Unexpected exception occurred %d time(s)... '
                         'retrying.') % exc_count)
                 last_log_time = cur_time
                 last_exc_message = this_exc_message
                 exc_count = 0
             # This should be a very rare event. In case it isn't, do
             # a sleep.
             time.sleep(1)
示例#6
0
    def _wait_for_exit_or_signal(self, ready_callback=None):
        status = None
        signo = 0

        LOG.debug('Full set of CONF:')
        CONF.log_opt_values(LOG, std_logging.DEBUG)

        try:
            if ready_callback:
                ready_callback()
            super(ServiceLauncher, self).wait()
        except SignalExit as exc:
            signame = _signo_to_signame(exc.signo)
            LOG.info(_LI('Caught %s, exiting'), signame)
            status = exc.code
            signo = exc.signo
        except SystemExit as exc:
            status = exc.code
        finally:
            self.stop()
            if rpc:
                try:
                    rpc.cleanup()
                except Exception:
                    # We're shutting down, so it doesn't matter at this point.
                    LOG.exception(_LE('Exception during rpc cleanup.'))

        return status, signo
示例#7
0
        def _inner():
            if initial_delay:
                greenthread.sleep(initial_delay)

            try:
                while self._running:
                    start = _ts()
                    self.f(*self.args, **self.kw)
                    end = _ts()
                    if not self._running:
                        break
                    delay = end - start - interval
                    if delay > 0:
                        LOG.warn(_LW('task %(func_name)s run outlasted '
                                     'interval by %(delay).2f sec'),
                                 {'func_name': repr(self.f), 'delay': delay})
                    greenthread.sleep(-delay if delay < 0 else 0)
            except LoopingCallDone as e:
                self.stop()
                done.send(e.retvalue)
            except Exception:
                LOG.exception(_LE('in fixed duration looping call'))
                done.send_exception(*sys.exc_info())
                return
            else:
                done.send(True)
示例#8
0
        def _inner():
            if initial_delay:
                greenthread.sleep(initial_delay)

            try:
                while self._running:
                    idle = self.f(*self.args, **self.kw)
                    if not self._running:
                        break

                    if periodic_interval_max is not None:
                        idle = min(idle, periodic_interval_max)
                    LOG.debug('Dynamic looping call %(func_name)s sleeping '
                              'for %(idle).02f seconds',
                              {'func_name': repr(self.f), 'idle': idle})
                    greenthread.sleep(idle)
            except LoopingCallDone as e:
                self.stop()
                done.send(e.retvalue)
            except Exception:
                LOG.exception(_LE('in dynamic looping call'))
                done.send_exception(*sys.exc_info())
                return
            else:
                done.send(True)
示例#9
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 def release(self):
     try:
         self.unlock()
         self.lockfile.close()
         LOG.debug('Released file lock "%s"', self.fname)
     except IOError:
         LOG.exception(_LE("Could not release the acquired lock `%s`"),
                       self.fname)
示例#10
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 def release(self):
     try:
         self.unlock()
         self.lockfile.close()
         LOG.debug('Released file lock "%s"', self.fname)
     except IOError:
         LOG.exception(_LE("Could not release the acquired lock `%s`"),
                       self.fname)
示例#11
0
 def __exit__(self, exc_type, exc_val, exc_tb):
     if exc_type is not None:
         if self.reraise:
             logging.error(
                 _LE('Original exception being dropped: %s'),
                 traceback.format_exception(self.type_, self.value,
                                            self.tb))
         return False
     if self.reraise:
         six.reraise(self.type_, self.value, self.tb)
示例#12
0
 def __exit__(self, exc_type, exc_val, exc_tb):
     if exc_type is not None:
         if self.reraise:
             logging.error(
                 _LE('Original exception being dropped: %s'),
                 traceback.format_exception(self.type_, self.value,
                                            self.tb))
         return False
     if self.reraise:
         six.reraise(self.type_, self.value, self.tb)
示例#13
0
    def _child_wait_for_exit_or_signal(self, launcher):
        status = 0
        signo = 0

        # NOTE(johannes): All exceptions are caught to ensure this
        # doesn't fallback into the loop spawning children. It would
        # be bad for a child to spawn more children.
        try:
            launcher.wait()
        except SignalExit as exc:
            signame = _signo_to_signame(exc.signo)
            LOG.info(_LI('Child caught %s, exiting'), signame)
            status = exc.code
            signo = exc.signo
        except SystemExit as exc:
            status = exc.code
        except BaseException:
            LOG.exception(_LE('Unhandled exception'))
            status = 2
        finally:
            launcher.stop()

        return status, signo
示例#14
0
    def _child_wait_for_exit_or_signal(self, launcher):
        status = 0
        signo = 0

        # NOTE(johannes): All exceptions are caught to ensure this
        # doesn't fallback into the loop spawning children. It would
        # be bad for a child to spawn more children.
        try:
            launcher.wait()
        except SignalExit as exc:
            signame = _signo_to_signame(exc.signo)
            LOG.info(_LI('Child caught %s, exiting'), signame)
            status = exc.code
            signo = exc.signo
        except SystemExit as exc:
            status = exc.code
        except BaseException:
            LOG.exception(_LE('Unhandled exception'))
            status = 2
        finally:
            launcher.stop()

        return status, signo