-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2018 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
:param node: Node in topology.
:type node: dict
- :return: IP address and port for the specified node.
+ :returns: IP address and port for the specified node.
:rtype: int
"""
stderr = StringIO.StringIO()
try:
chan = self._ssh.get_transport().open_session(timeout=5)
+ peer = self._ssh.get_transport().getpeername()
except AttributeError:
self._reconnect()
chan = self._ssh.get_transport().open_session(timeout=5)
+ peer = self._ssh.get_transport().getpeername()
except SSHException:
self._reconnect()
chan = self._ssh.get_transport().open_session(timeout=5)
+ peer = self._ssh.get_transport().getpeername()
chan.settimeout(timeout)
- logger.trace('exec_command on {0}: {1}'
- .format(self._ssh.get_transport().getpeername(), cmd))
+
+ logger.trace('exec_command on {peer} with timeout {timeout}: {cmd}'
+ .format(peer=peer, timeout=timeout, cmd=cmd))
start = time()
chan.exec_command(cmd)
if time() - start > timeout:
raise SSHTimeout(
- 'Timeout exception during execution of command: {0}\n'
- 'Current contents of stdout buffer: {1}\n'
- 'Current contents of stderr buffer: {2}\n'
- .format(cmd, stdout.getvalue(), stderr.getvalue())
+ 'Timeout exception during execution of command: {cmd}\n'
+ 'Current contents of stdout buffer: {stdout}\n'
+ 'Current contents of stderr buffer: {stderr}\n'
+ .format(cmd=cmd, stdout=stdout.getvalue(),
+ stderr=stderr.getvalue())
)
sleep(0.1)
stderr.write(chan.recv_stderr(self.__MAX_RECV_BUF))
end = time()
- logger.trace('exec_command on {0} took {1} seconds'.format(
- self._ssh.get_transport().getpeername(), end-start))
+ logger.trace('exec_command on {peer} took {total} seconds'.
+ format(peer=peer, total=end-start))
- logger.trace('return RC {}'.format(return_code))
- logger.trace('return STDOUT {}'.format(stdout.getvalue()))
- logger.trace('return STDERR {}'.format(stderr.getvalue()))
+ logger.trace('return RC {rc}'.format(rc=return_code))
+ logger.trace('return STDOUT {stdout}'.format(stdout=stdout.getvalue()))
+ logger.trace('return STDERR {stderr}'.format(stderr=stderr.getvalue()))
return return_code, stdout.getvalue(), stderr.getvalue()
def exec_command_sudo(self, cmd, cmd_input=None, timeout=30):
:param cmd: Command to be executed.
:param cmd_input: Input redirected to the command.
:param timeout: Timeout.
- :return: return_code, stdout, stderr
+ :returns: return_code, stdout, stderr
:Example:
:type lxc_params: str
:type sudo: bool
:type timeout: int
- :return: return_code, stdout, stderr
+ :returns: return_code, stdout, stderr
"""
command = "lxc-attach {p} --name {n} -- /bin/sh -c '{c}'"\
.format(p=lxc_params, n=lxc_name, c=lxc_cmd)
"""Open interactive terminal on a new channel on the connected Node.
:param time_out: Timeout in seconds.
- :return: SSH channel with opened terminal.
+ :returns: SSH channel with opened terminal.
.. warning:: Interruptingcow is used here, and it uses
signal(SIGALRM) to let the operating system interrupt program
:param cmd: Command to be executed.
:param prompt: Command prompt, sequence of characters used to
indicate readiness to accept commands.
- :return: Command output.
+ :returns: Command output.
.. warning:: Interruptingcow is used here, and it uses
signal(SIGALRM) to let the operating system interrupt program
(ret_code, stdout, stderr) = exec_cmd(node, cmd, timeout=timeout, sudo=sudo)
assert_equal(ret_code, 0, 'Command execution failed: "{}"\n{}'.
format(cmd, stderr))
- return stdout, stderr
+ return stdout, stderr
\ No newline at end of file