def start_console_logger(self, log_fifo):
"""
Start a thread that monitors the microVM console.
The console output will be redirected to the log file.
"""
def monitor_fd(microvm, path):
try:
fd = open(path, "r")
while True:
if microvm.logging_thread.stopped():
return
data = fd.readline()
if data:
microvm.append_to_log_data(data)
except IOError as error:
LOG.error("[%s] IOError while monitoring fd:"
" %s", microvm.id, error)
microvm.append_to_log_data(str(error))
return
self.logging_thread = utils.StoppableThread(
target=monitor_fd,
args=(self, log_fifo.path),
daemon=True)
self.logging_thread.start()
def start_console_logger(self, log_fifo):
"""
Start a thread that monitors the microVM console.
The console output will be redirected to the log file.
"""
def monitor_fd(microvm, path):
try:
fd = open(path, "r")
while True:
try:
if microvm().logging_thread.stopped():
return
data = fd.readline()
if data:
microvm().append_to_log_data(data)
except AttributeError as _:
# This means that the microvm object was destroyed and
# we are using a None reference.
return
except IOError as error:
# pylint: disable=W0150
try:
LOG.error("[%s] IOError while monitoring fd:"
" %s",
microvm().id, error)
microvm().append_to_log_data(str(error))
except AttributeError as _:
# This means that the microvm object was destroyed and
# we are using a None reference.
pass
finally:
return
self.logging_thread = utils.StoppableThread(target=monitor_fd,
args=(weakref.ref(self),
log_fifo.path),
daemon=True)
self.logging_thread.start()
