def execute(self, command, timeout, environment=(),
user="******", verbose=False):
"""
Runs a command on the device and returns log and errorlevel.
"""
return Ssh.execute(dev_ip=self._registered_lease, timeout=timeout,
user=user, environment=environment, command=command,
verbose=verbose)
def _get_model_and_type(cls, dev_ip):
"""
Tries to assess the model and type of the device.
"""
cpuinfo = Ssh.execute(dev_ip=dev_ip,
command=("cat", "/proc/cpuinfo"))
if cpuinfo:
return cls._devices_catalog.get_model_and_type_by_device(cpuinfo)
return [None, None]
def _by_ip_is_responsive(cls, dev_ip):
"""
Check if the device is in service mode.
"""
logging.debug("Trying to ssh into {0}.".format(dev_ip))
result = Ssh.execute(dev_ip=dev_ip,
command=("echo", "$?"),
timeout=cls._SSH_SHORT_GENERIC_TIMEOUT, )
logging.debug("result: {0}".format(result))
if (result is None) or (result.returncode is not 0):
logging.debug("Ssh failed.")
else:
logging.debug("Ssh successful.")
return (result is not None) and (result.returncode is 0)
def init_class(cls, init_data):
"""
Initializer for class variables and parent class.
"""
try:
logging.debug("PCDevice class init_data: {0}".
format(init_data))
cls._leases_file_name = init_data["leases_file_name"]
cls._root_partition = init_data["root_partition"]
cls._service_mode_name = init_data["service_mode"]
cls._test_mode_name = init_data["test_mode"]
cls._registered_lease = None
return Ssh.init() and Scp.init()
except KeyError as error:
logging.critical("Error initializing PC Device Class {0}."
.format(error))
return False
def _by_ip_is_in_mode(cls, dev_ip, mode):
"""
Check if the device with given ip is responsive to ssh
and in the specified mode.
"""
logging.debug("Trying to ssh into {0} to test the mode.".format(dev_ip))
retval = Ssh.execute(dev_ip=dev_ip,
command=("cat", "/proc/version", "|",
"grep", mode["name"]),
timeout=cls._SSH_SHORT_GENERIC_TIMEOUT, )
if retval is None or retval.returncode is not 0:
logging.debug("Ssh failed.")
elif mode["name"] not in retval.stdoutdata:
logging.debug("Device not in \"{0}\" mode.".format(mode["name"]))
else:
logging.debug("Device in \"{0}\" mode.".format(mode["name"]))
return retval is not None and \
retval.returncode is 0 and \
mode["name"] in retval.stdoutdata
