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Catch error when qemuy can't connect to his console

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Fix #803
pull/807/head
Julien Duponchelle 8 years ago
parent b3d83b1b0b
commit 2b15da3d19
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GPG Key ID: CE8B29639E07F5E8
1 changed files with 57 additions and 56 deletions
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113
gns3server/compute/qemu/qemu_vm.py
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@ -852,63 +852,64 @@ class QemuVM(BaseNode):
yield from self.resume()
return
else:
if self._manager.config.get_section_config("Qemu").getboolean("monitor", True):
try:
info = socket.getaddrinfo(self._monitor_host, 0, socket.AF_UNSPEC, socket.SOCK_STREAM, 0, socket.AI_PASSIVE)
if not info:
raise QemuError("getaddrinfo returns an empty list on {}".format(self._monitor_host))
for res in info:
af, socktype, proto, _, sa = res
# let the OS find an unused port for the Qemu monitor
with socket.socket(af, socktype, proto) as sock:
sock.bind(sa)
self._monitor = sock.getsockname()[1]
except OSError as e:
raise QemuError("Could not find free port for the Qemu monitor: {}".format(e))
# check if there is enough RAM to run
self.check_available_ram(self.ram)
command = yield from self._build_command()
command_string = " ".join(shlex.quote(s) for s in command)
if self._manager.config.get_section_config("Qemu").getboolean("monitor", True):
try:
log.info("Starting QEMU with: {}".format(command_string))
self._stdout_file = os.path.join(self.working_dir, "qemu.log")
log.info("logging to {}".format(self._stdout_file))
with open(self._stdout_file, "w", encoding="utf-8") as fd:
fd.write("Start QEMU with {}\n\nExecution log:\n".format(command_string))
self.command_line = ' '.join(command)
self._process = yield from asyncio.create_subprocess_exec(*command,
stdout=fd,
stderr=subprocess.STDOUT,
cwd=self.working_dir)
if self.use_ubridge:
yield from self._start_ubridge()
for adapter_number, adapter in enumerate(self._ethernet_adapters):
nio = adapter.get_nio(0)
if nio:
yield from self._add_ubridge_udp_connection("QEMU-{}-{}".format(self._id, adapter_number),
self._local_udp_tunnels[adapter_number][1],
nio)
log.info('QEMU VM "{}" started PID={}'.format(self._name, self._process.pid))
self.status = "started"
monitor_process(self._process, self._termination_callback)
except (OSError, subprocess.SubprocessError, UnicodeEncodeError) as e:
stdout = self.read_stdout()
log.error("Could not start QEMU {}: {}\n{}".format(self.qemu_path, e, stdout))
raise QemuError("Could not start QEMU {}: {}\n{}".format(self.qemu_path, e, stdout))
yield from self._set_process_priority()
if self._cpu_throttling:
self._set_cpu_throttling()
if "-enable-kvm" in command_string:
self._hw_virtualization = True
yield from self.start_wrap_console()
info = socket.getaddrinfo(self._monitor_host, 0, socket.AF_UNSPEC, socket.SOCK_STREAM, 0, socket.AI_PASSIVE)
if not info:
raise QemuError("getaddrinfo returns an empty list on {}".format(self._monitor_host))
for res in info:
af, socktype, proto, _, sa = res
# let the OS find an unused port for the Qemu monitor
with socket.socket(af, socktype, proto) as sock:
sock.bind(sa)
self._monitor = sock.getsockname()[1]
except OSError as e:
raise QemuError("Could not find free port for the Qemu monitor: {}".format(e))
# check if there is enough RAM to run
self.check_available_ram(self.ram)
command = yield from self._build_command()
command_string = " ".join(shlex.quote(s) for s in command)
try:
log.info("Starting QEMU with: {}".format(command_string))
self._stdout_file = os.path.join(self.working_dir, "qemu.log")
log.info("logging to {}".format(self._stdout_file))
with open(self._stdout_file, "w", encoding="utf-8") as fd:
fd.write("Start QEMU with {}\n\nExecution log:\n".format(command_string))
self.command_line = ' '.join(command)
self._process = yield from asyncio.create_subprocess_exec(*command,
stdout=fd,
stderr=subprocess.STDOUT,
cwd=self.working_dir)
if self.use_ubridge:
yield from self._start_ubridge()
for adapter_number, adapter in enumerate(self._ethernet_adapters):
nio = adapter.get_nio(0)
if nio:
yield from self._add_ubridge_udp_connection("QEMU-{}-{}".format(self._id, adapter_number),
self._local_udp_tunnels[adapter_number][1],
nio)
log.info('QEMU VM "{}" started PID={}'.format(self._name, self._process.pid))
self.status = "started"
monitor_process(self._process, self._termination_callback)
except (OSError, subprocess.SubprocessError, UnicodeEncodeError) as e:
stdout = self.read_stdout()
log.error("Could not start QEMU {}: {}\n{}".format(self.qemu_path, e, stdout))
raise QemuError("Could not start QEMU {}: {}\n{}".format(self.qemu_path, e, stdout))
yield from self._set_process_priority()
if self._cpu_throttling:
self._set_cpu_throttling()
if "-enable-kvm" in command_string:
self._hw_virtualization = True
try:
yield from self.start_wrap_console()
except OSError as e:
raise QemuError("Could not start QEMU console {}\n".format(e))
def _termination_callback(self, returncode):
"""

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