def wait(self, timeout=None, step=0.2):
"""
Wait for exit of subprocess.
@param timeout:
@return: Exit code.
"""
if timeout is None:
return self.get_status(True)
else:
wait_for(lambda: not self.is_alive(), timeout, 0, step)
return self.get_status()
def initialize(self):
domain_ctl = self._machine.get_domain_ctl()
if self._hwaddr:
query = self._machine._rpc_call('get_devices_by_hwaddr',
self._hwaddr)
if len(query):
msg = "Device with hwaddr %s already exists" % self._hwaddr
raise MachineError(msg)
else:
mac_pool = self._machine.get_mac_pool()
while True:
self._hwaddr = normalize_hwaddr(mac_pool.get_addr())
query = self._machine._rpc_call('get_devices_by_hwaddr',
self._hwaddr)
if not len(query):
break
bridges = self._machine.get_network_bridges()
if self._network in bridges:
net_ctl = bridges[self._network]
else:
bridges[self._network] = net_ctl = VirtNetCtl()
net_ctl.init()
net_name = net_ctl.get_name()
logging.info("Creating interface %s (%s) on machine %s",
self.get_id(), self._hwaddr, self._machine.get_id())
self._orig_hwaddr = self._hwaddr
domain_ctl.attach_interface(self._hwaddr, net_name, self._driver)
# The sleep here is necessary, because udev sometimes renames the
# newly created device and if the query for name comes too early,
# the controller will then try to configure an nonexistent device
sleep(1)
ready = wait_for(self.is_ready, timeout=10)
if not ready:
msg = "Netdevice initialization failed." \
"Unable to create device %s (%s) on machine %s" \
% (self.get_id(), self._hwaddr, self._machine.get_id())
raise MachineError(msg)
super(VirtualInterface, self).initialize()
def initialize(self):
domain_ctl = self._machine.get_domain_ctl()
if self._hwaddr:
query = self._machine._rpc_call('get_devices_by_hwaddr',
self._hwaddr)
if len(query):
msg = "Device with hwaddr %s already exists" % self._hwaddr
raise MachineError(msg)
else:
mac_pool = self._machine.get_mac_pool()
while True:
self._hwaddr = normalize_hwaddr(mac_pool.get_addr())
query = self._machine._rpc_call('get_devices_by_hwaddr',
self._hwaddr)
if not len(query):
break
bridges = self._machine.get_network_bridges()
if self._network in bridges:
net_ctl = bridges[self._network]
else:
bridges[self._network] = net_ctl = VirtNetCtl()
net_ctl.init()
net_name = net_ctl.get_name()
logging.info("Creating interface %s (%s) on machine %s", self.get_id(),
self._hwaddr, self._machine.get_id())
self._orig_hwaddr = self._hwaddr
domain_ctl.attach_interface(self._hwaddr, net_name, self._driver)
# The sleep here is necessary, because udev sometimes renames the
# newly created device and if the query for name comes too early,
# the controller will then try to configure an nonexistent device
sleep(1)
ready = wait_for(self.is_ready, timeout=10)
if not ready:
msg = "Netdevice initialization failed." \
"Unable to create device %s (%s) on machine %s" \
% (self.get_id(), self._hwaddr, self._machine.get_id())
raise MachineError(msg)
super(VirtualInterface, self).initialize()
def read_until_output_matches(self,
patterns,
internal_timeout=0.1,
timeout=60):
logging.log(self.logging_level, "Timeout: %d" % (timeout))
fd = self.fd
out = ""
end_time = time.time() + timeout
p = select.poll()
p.register(fd, select.POLLIN)
while True:
try:
polled = p.poll((end_time - time.time()) * 1e3)
except (select.error, TypeError):
break
if not polled:
raise ShellProcess.ProcessTimeoutError(patterns, out)
if polled and polled[0][1] == select.POLLHUP:
break
# Read data from child
data = self.read_nonblocking(internal_timeout)
if not data:
break
# Print it if necessary
# Look for patterns
out += data
match = self.match_patterns(out, patterns)
if match is not None:
return match, out
# Check if the child has terminated
if wait_for(lambda: not self.is_alive(), 5, 0, 0.5):
raise ShellProcess.ProcessTerminatedError(patterns,
self.get_status(), out)
else:
# This shouldn't happen
raise ShellProcess.ProcessError(patterns, out)
def read_until_output_matches(self, patterns, internal_timeout=0.1,
timeout=60):
logging.log(self.logging_level, "Timeout: %d" % (timeout))
fd = self.fd
out = ""
end_time = time.time() + timeout
p = select.poll()
p.register(fd, select.POLLIN)
while True:
try:
polled = p.poll((end_time-time.time())*1e3)
except (select.error, TypeError):
break
if not polled:
raise ShellProcess.ProcessTimeoutError(patterns, out)
if polled and polled[0][1] == select.POLLHUP:
break
# Read data from child
data = self.read_nonblocking(internal_timeout)
if not data:
break
# Print it if necessary
# Look for patterns
out += data
match = self.match_patterns(out, patterns)
if match is not None:
return match, out
# Check if the child has terminated
if wait_for(lambda: not self.is_alive(), 5, 0, 0.5):
raise ShellProcess.ProcessTerminatedError(patterns,
self.get_status(),
out)
else:
# This shouldn't happen
raise ShellProcess.ProcessError(patterns, out)
