mirror of
https://github.com/Telecominfraproject/wlan-lanforge-scripts.git
synced 2025-10-31 10:48:02 +00:00
326 lines
10 KiB
Python
Executable File
326 lines
10 KiB
Python
Executable File
#!/usr/bin/python3
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'''
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make sure pexpect is installed:
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$ sudo yum install python3-pexpect
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You might need to install pexpect-serial using pip:
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$ pip3 install pexpect-serial
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./openwrt_ctl.py -l stdout -u root -p TIP -s serial --tty ttyUSB0
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'''
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import sys
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if sys.version_info[0] != 3:
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print("This script requires Python 3")
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exit()
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import re
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import logging
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import time
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from time import sleep
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import pprint
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import telnetlib
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import argparse
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import pexpect
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default_host = "localhost"
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default_ports = {
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"serial": None,
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"ssh": 22,
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"telnet": 23
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}
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NL = "\n"
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CR = "\r\n"
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Q = '"'
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A = "'"
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FORMAT = '%(asctime)s %(name)s %(levelname)s: %(message)s'
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prompt = "root@OpenWrt:"
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def usage():
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print("$0 used connect to OpenWrt AP or similar Linux machine:")
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print("-d|--dest IP address of the OpenWrt AP, for ssh/telnet scheme")
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print("-o|--port IP port of the OpenWrt AP, for ssh/telnet scheme")
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print("-t|--tty Serial port, if using serial scheme")
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print("-u|--user login name")
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print("-p|--pass password")
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print("--prompt Prompt to look for when commands are done (default: root@OpenWrt)")
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print("-s|--scheme (serial|telnet|ssh): connect via serial, ssh or telnet")
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print("-l|--log file log messages here")
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print("--action (logread | journalctl | lurk | sysupgrade | download | upload | reboot | cmd")
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print("--value (option to help complete the action")
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print("--value2 (option to help complete the action, dest filename for download")
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print("-h|--help")
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# see https://stackoverflow.com/a/13306095/11014343
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class FileAdapter(object):
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def __init__(self, logger):
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self.logger = logger
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def write(self, data):
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# NOTE: data can be a partial line, multiple lines
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data = data.strip() # ignore leading/trailing whitespace
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if data: # non-blank
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self.logger.info(data)
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def flush(self):
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pass # leave it to logging to flush properly
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def main():
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global prompt
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parser = argparse.ArgumentParser(description="OpenWrt AP Control Script")
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parser.add_argument("-d", "--dest", type=str, help="address of the cisco controller")
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parser.add_argument("-o", "--port", type=int, help="control port on the controller")
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parser.add_argument("-u", "--user", type=str, help="credential login/username")
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parser.add_argument("-p", "--passwd", type=str, help="credential password")
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parser.add_argument("-P", "--prompt", type=str, help="Prompt to look for")
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parser.add_argument("-s", "--scheme", type=str, choices=["serial", "ssh", "telnet"], help="Connect via serial, ssh or telnet")
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parser.add_argument("-t", "--tty", type=str, help="tty serial device")
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parser.add_argument("-l", "--log", type=str, help="logfile for messages, stdout means output to console")
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parser.add_argument("--action", type=str, help="perform action",
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choices=["logread", "journalctl", "lurk", "sysupgrade", "download", "upload", "reboot", "cmd" ])
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parser.add_argument("--value", type=str, help="set value")
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parser.add_argument("--value2", type=str, help="set value2")
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tty = None
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args = None
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try:
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args = parser.parse_args()
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host = args.dest
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scheme = args.scheme
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port = args.port
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#port = (default_ports[scheme], args.port)[args.port != None]
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user = args.user
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passwd = args.passwd
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logfile = args.log
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tty = args.tty;
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if (args.prompt != None):
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prompt = args.prompt
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filehandler = None
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except Exception as e:
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logging.exception(e);
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usage()
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exit(2);
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console_handler = logging.StreamHandler()
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formatter = logging.Formatter(FORMAT)
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logg = logging.getLogger(__name__)
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logg.setLevel(logging.DEBUG)
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file_handler = None
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if (logfile is not None):
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if (logfile != "stdout"):
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file_handler = logging.FileHandler(logfile, "w")
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file_handler.setLevel(logging.DEBUG)
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file_handler.setFormatter(formatter)
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logg.addHandler(file_handler)
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logging.basicConfig(format=FORMAT, handlers=[file_handler])
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else:
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# stdout logging
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logging.basicConfig(format=FORMAT, handlers=[console_handler])
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CCPROMPT=prompt
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ser = None
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egg = None # think "eggpect"
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try:
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if (scheme == "serial"):
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#eggspect = pexpect.fdpexpect.fdspan(telcon, logfile=sys.stdout.buffer)
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import serial
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from pexpect_serial import SerialSpawn
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ser = serial.Serial(tty, 115200, timeout=5)
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egg = SerialSpawn(ser);
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egg.logfile = FileAdapter(logg)
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egg.sendline(NL)
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try:
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i = egg.expect([prompt, "Please press Enter to activate", "login:"], timeout=3)
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if (i == 2):
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egg.sendline(user)
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egg.expect("Password:")
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egg.sendline(passwd)
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egg.expect(prompt)
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egg.sendline(NL)
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except Exception as e:
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# maybe something like 'logread -f' is running?
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# send ctrl-c
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egg.send(chr(3))
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elif (scheme == "ssh"):
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# Not implemented/tested currently. --Ben
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if (port is None):
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port = 22
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cmd = "ssh -p%d %s@%s"%(port, user, host)
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logg.info("Spawn: "+cmd+NL)
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egg = pexpect.spawn(cmd)
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#egg.logfile_read = sys.stdout.buffer
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egg.logfile = FileAdapter(logg)
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i = egg.expect(["password:", "continue connecting (yes/no)?"], timeout=3)
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time.sleep(0.1)
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if i == 1:
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egg.sendline('yes')
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egg.expect('password:')
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sleep(0.1)
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egg.sendline(passwd)
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elif (scheme == "telnet"):
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# Not implemented/tested currently. --Ben
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if (port is None):
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port = 23
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cmd = "telnet %s %d"%(host, port)
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logg.info("Spawn: "+cmd+NL)
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egg = pexpect.spawn(cmd)
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egg.logfile = FileAdapter(logg)
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time.sleep(0.1)
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egg.sendline(' ')
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egg.expect('User\:')
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egg.sendline(user)
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egg.expect('Password\:')
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egg.sendline(passwd)
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egg.sendline('config paging disable')
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else:
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usage()
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exit(1)
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except Exception as e:
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logging.exception(e);
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command = None
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CLOSEDBYREMOTE = "closed by remote host."
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CLOSEDCX = "Connection to .* closed."
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try:
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egg.expect(CCPROMPT)
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except Exception as e:
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egg.sendline(NL)
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TO=10
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wait_forever = False
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# Clean pending output
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egg.sendline("echo __hello__")
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egg.expect("__hello__")
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egg.expect(CCPROMPT)
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logg.info("Action[%s] Value[%s] Value2[%s]"%(args.action, args.value, args.value2))
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if (args.action == "reboot"):
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command = "reboot"
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TO=60
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if (args.action == "cmd"):
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if (args.value is None):
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raise Exception("cmd requires value to be set.")
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command = "%s"%(args.value)
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if (args.action == "logread"):
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command = "logread -f"
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TO=1
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wait_forever = True
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if (args.action == "journalctl"):
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command = "journalctl -f"
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TO=1
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wait_forever = True
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if (args.action == "lurk"):
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command = "date"
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TO=1
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wait_forever = True
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if (args.action == "sysupgrade"):
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command = "scp %s /tmp/new_img.bin"%(args.value)
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logg.info("Command[%s]"%command)
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egg.sendline(command);
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i = egg.expect(["password:", "Do you want to continue connecting"], timeout=5)
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if i == 1:
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egg.sendline("y")
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egg.expect("password:", timeout=5)
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egg.sendline("lanforge")
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egg.expect(CCPROMPT, timeout=20)
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egg.sendline("sysupgrade /tmp/new_img.bin")
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egg.expect("link becomes ready", timeout=100)
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return
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if (args.action == "download"):
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command = "scp %s /tmp/%s"%(args.value, args.value2)
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logg.info("Command[%s]"%command)
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egg.sendline(command);
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i = egg.expect(["password:", "Do you want to continue connecting", "Network unreachable"], timeout=5)
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if i == 2:
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print("Network unreachable, wait 15 seconds and try again.")
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time.sleep(15)
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command = "scp %s /tmp/%s"%(args.value, args.value2)
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logg.info("Command[%s]"%command)
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egg.sendline(command);
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i = egg.expect(["password:", "Do you want to continue connecting", "Network unreachable"], timeout=5)
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if i == 2:
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print("ERROR: Could not connect to LANforge to get download file")
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exit(2)
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if i == 1:
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egg.sendline("y")
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egg.expect("password:", timeout=5)
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egg.sendline("lanforge")
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egg.expect(CCPROMPT, timeout=20)
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return
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if (args.action == "upload"):
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command = "scp %s %s"%(args.value, args.value2)
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logg.info("Command[%s]"%command)
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egg.sendline(command);
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i = egg.expect(["password:", "Do you want to continue connecting", "Network unreachable"], timeout=5)
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if i == 2:
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print("Network unreachable, wait 15 seconds and try again.")
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time.sleep(15)
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command = "scp /tmp/%s %s"%(args.value, args.value2)
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logg.info("Command[%s]"%command)
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egg.sendline(command);
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i = egg.expect(["password:", "Do you want to continue connecting", "Network unreachable"], timeout=5)
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if i == 2:
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print("ERROR: Could not connect to LANforge to put upload file")
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exit(2)
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if i == 1:
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egg.sendline("y")
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egg.expect("password:", timeout=5)
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egg.sendline("lanforge")
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egg.expect(CCPROMPT, timeout=20)
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return
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if (command is None):
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logg.info("No command specified, going to log out.")
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else:
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logg.info("Command[%s]"%command)
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egg.sendline(command);
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while True:
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try:
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i = egg.expect([CCPROMPT, "kmodloader: done loading kernel", "\n"], timeout=TO)
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print (egg.before.decode('utf-8', 'ignore'))
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if i == 1:
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egg.sendline(' ')
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egg.expect(CCPROMPT, timeout=20)
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print (egg.before.decode('utf-8', 'ignore'))
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if i == 2: # new line of text, just print and continue
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continue
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if not wait_forever:
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break
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except Exception as e:
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# Some commands take a long time (logread -f)
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if not wait_forever:
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logging.exception(e)
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break
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# ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----
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if __name__ == '__main__':
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main()
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####
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####
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####
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