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Hello All,
I havn't been programming with python too long, but decided the best way to learn it would be to dive right in. Right now I have been taking snippets here and there along with modifying some code in between to create some programs. The one I am currently doing requires me to ssh to a raritan, choose one of the cisco devices ( a router in this case) and shut down or bring up the interface based on the check boxes selected. My issue is that pexpect keeps timing out with an error when i go into the cisco device. I have a feeling it has something to do with the prompt expected, but I am not sure. Here is the code below of what I currently have. Any help or comments would be appreciated.
Make note, ignore the ip address field. Right now I hard coded everything just to ensure it works. -
from Tkinter import *
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import os
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import getpass
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import sys
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import telnetlib
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import pexpect
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class Application(Frame):
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""" GUI application """
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def __init__(self, master):
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""" Initialize Frame. """
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Frame.__init__(self, master)
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self.grid()
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self.create_widgets()
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def create_widgets(self):
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""" Create widgets """
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# create instruction label
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Label(self,
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text = "Connect to Device:\n"
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).grid(row = 0, column = 0, columnspan = 2, sticky = W)
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# create a label and text entry for IP Address
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Label(self,
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text = "IP Address: "
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).grid(row = 1, column = 0, sticky = W)
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self.ipaddress = Entry(self)
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self.ipaddress.grid(row = 1, column = 1, sticky = W)
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# create a label for student check buttons
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Label(self,
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text = "Student(s):"
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).grid(row = 2, column = 0, sticky = W)
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# create check button
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self.student1 = BooleanVar()
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Checkbutton(self,
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text = "Student 1",
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variable = self.student1
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).grid(row = 2, column = 1, sticky = W)
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# create check button
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self.student2 = BooleanVar()
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Checkbutton(self,
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text = "Student 2",
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variable = self.student2
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).grid(row = 2, column = 2, sticky = W)
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# create check button
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self.student3 = BooleanVar()
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Checkbutton(self,
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text = "Student 3",
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variable = self.student3
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).grid(row = 3, column = 1, sticky = W)
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# create check button
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self.student4 = BooleanVar()
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Checkbutton(self,
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text = "Student 4",
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variable = self.student4
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).grid(row = 3, column = 2, sticky = W)
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# create a submit button = ON
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Button(self,
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text = "ON",
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command = self.on
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).grid(row = 6, column = 1, sticky = W)
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# create a submit button = OFF
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Button(self,
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text = "OFF",
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command = self.off
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).grid(row = 6, column = 2, sticky = W)
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def on(self):
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print ssh.command("telnet 1.1.1.1")
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print ssh.command("k") #goes to command line
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print ssh.command("config t") #enters config mode
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if self.student1.get():
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print ssh.command("int eth 0/18")
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print ssh.command("shutdown")
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if self.student2.get():
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comstu2 = "mkdir student2"
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print ssh.command(comstu2)
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if self.student3.get():
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comstu3 = "mkdir student3"
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print ssh.command(comstu3)
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if self.student4.get():
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comstu4 = "mkdir student4"
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print ssh.command(comstu4)
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def off(self):
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ssh.close()
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raw_input("Press Enter to Exit")
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class SSH:
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def __init__(self):
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PROMPT = "\$|\%|\>"
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password = "FILL IN"
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self.child = pexpect.spawn("ssh -p 443 ------@1.1.1.1")
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i = self.child.expect(['assword:', r"yes/no"], timeout=120)
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if i==0:
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self.child.sendline(password)
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elif i==1:
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self.child.sendline("yes")
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self.child.expect("assword:", timeout=120)
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self.child.sendline(password)
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self.child.expect(PROMPT)
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def command(self, command):
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"""send a command and return the response"""
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PROMPT = "\$|\%|\>"
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self.child.sendline(command)
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self.child.expect(PROMPT)
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response = self.child.before
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return response
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def close(self):
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"""close the connection"""
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self.child.close()
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def interact(self):
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"""interaction with the remote box"""
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self.child.interact()
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# main
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import os
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import getpass
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import sys
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import telnetlib
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from Tkinter import *
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root = Tk()
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root.title("Turn Firewall Mode ON/OFF")
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ssh = SSH()
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app = Application(root)
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root.mainloop()
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