2fa2671573
This class allows execution of commands on a remote hosts/machine. This is based on ssh with authorized keys, so you should be able to execute such commands without any password: ssh <user>@<hostname> id By default user is root. Support for sync and async calls is included. Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
100 lines
2.9 KiB
Python
100 lines
2.9 KiB
Python
# Host class
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# Copyright (c) 2016, Qualcomm Atheros, Inc.
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#
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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import logging
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import subprocess
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import threading
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logger = logging.getLogger()
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def execute_thread(command, reply):
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try:
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status = 0;
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buf = subprocess.check_output(command, stderr=subprocess.STDOUT)
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except subprocess.CalledProcessError as e:
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status = e.returncode
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buf = e.output
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cmd = ""
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for c in command:
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cmd = cmd + " " + c
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logger.debug("thread cmd: " + cmd)
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logger.debug("thread exit status: " + str(status))
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logger.debug("thread exit buf: " + str(buf))
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reply.append(status)
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reply.append(buf)
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class Host():
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def __init__(self, host=None, ifname=None, port=None, name="", user="root"):
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self.host = host
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self.name = name
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self.user = user
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self.ifname = ifname
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self.port = port
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if self.name == "" and host != None:
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self.name = host
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def local_execute(self, command):
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logger.debug("execute: " + command)
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words = command.split()
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cmd = []
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for word in words:
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cmd.append(word)
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try:
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status = 0;
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buf = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
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except subprocess.CalledProcessError as e:
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status = e.returncode
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buf = e.output
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logger.debug("status: " + str(status))
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logger.debug("buf: " + str(buf))
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return status, buf
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def execute(self, command):
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if self.host is None:
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return self.local_execute(command)
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cmd = ["ssh", self.user + "@" + self.host, command]
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_cmd = self.name + " execute: "
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for c in cmd:
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_cmd = _cmd + " " + c
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logger.debug(_cmd)
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try:
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status = 0
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buf = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
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except subprocess.CalledProcessError as e:
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status = e.returncode
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buf = e.output
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logger.debug(self.name + " status: " + str(status))
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logger.debug(self.name + " buf: " + str(buf))
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return status, buf
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# async execute
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def execute_run(self, command, res):
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if self.host is None:
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cmd = [command]
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else:
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cmd = ["ssh", self.user + "@" + self.host, command]
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_cmd = self.name + " execute_run: "
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for c in cmd:
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_cmd = _cmd + " " + c
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logger.debug(_cmd)
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t = threading.Thread(target = execute_thread, args=(cmd, res))
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t.start()
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return t
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def wait_execute_complete(self, t, wait=None):
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if wait == None:
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wait_str = "infinite"
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else:
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wait_str = str(wait) + "s"
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logger.debug(self.name + " wait_execute_complete(" + wait_str + "): ")
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if t.isAlive():
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t.join(wait)
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