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BaslineEOS.py
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BaslineEOS.py
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#!/usr/bin/python
# Written by GAD on 3/7/16 for simplified Lab Baselining
# Imports
import os.path, sys, socket, socket, errno, jsonrpclib, xmlrpclib
import time, curses, random
from threading import Thread
##-------- Change this file for Rack-specific Variables ------##
from SiteVariables import *
##------------------------------------------------------------##
# Check validity of arguments:
numArgs = len(sys.argv)
if numArgs < 2:
sys.exit("EOS Version required (ex: EOS-4.15.5M.swi) - Exiting")
if numArgs == 2:
EOSVer = sys.argv[1]
if numArgs > 2:
sys.exit("Too many arguments - Exiting")
location = "/web/Lab/http/EOS/"
fileName = location + EOSVer
print "Chosen file: " + EOSVer
if not os.path.isfile(fileName):
sys.exit(EOSVer + " not found.")
## This command is terrifically invasive. It cleares the config and reloads, forcing ZTP to run
## Check to make sure we really want to do this.
Forced = "no"
print
print
print "This script does the following to all Student-xx switches in the lab: "
print " 1) Del all versions of EOS on flash:"
print " 2) Copies " + EOSVer + " to flash:"
print " 3) Sets the boot-config to " + EOSVer
print " 4) Issues the 'write erase' command (deletes startup-config)"
print " 5) Reloads the switch"
print
print "This will result in a default config running on " + EOSVer
print
print "NOTE: This can take a couple of minutes per switch!"
Forced = raw_input("This script installs and sets the boot-config to "+ EOSVer + ", \nthen write-erase/reloads: \n\nType 'yes' to continue: ")
if Forced != "yes":
print
print
print "Command Canceled"
print
sys.exit()
# Test if given code exists on (this) server.
FileLocation = "/web/Lab/http/EOS/"
FileName = FileLocation + EOSVer
FileServer = "http://10.0.0.100/EOS/"
try:
open(FileName)
except IOError:
print
sys.exit("EOS Version " + EOSVer + " Does not exist on this server. Exiting.\n\n")
def BaselineEOS(switchNumber):
location = 28
IP = "10.0.0." + str(switchNumber)
#print "Switch " + str(switchNumber).zfill(2) + ": ",
#Connect to Switch via eAPI
target = "https://" + ScriptUser + ":" + ScriptPass + "@" + IP + "/command-api"
switch = jsonrpclib.Server( target )
# capture Connection problem messages
# Map of erronos is here: http://www.python.org/doc//current/library/errno.html
try:
response = switch.runCmds( 1,
[ "enable" ,
"configure",
"delete EOS*.swi",
"copy " + FileServer + EOSVer + " flash:",
"boot system flash:" + EOSVer,
"write erase now",
"reload now"
], "text")
except KeyboardInterrupt:
print "Caught Keyboard Interrupt - Exiting"
sys.exit()
except socket.error,ERR :
# Socket Errors
ErrorCode = ERR[0]
if ErrorCode == errno.ECONNREFUSED:
win.addstr(switchNumber, location -15, " [ Err " + str(ErrorCode) + ": No eAPI ] ")
refresh()
elif ErrorCode == errno.EHOSTUNREACH:
# Never hit with lower socket timeout
win.addstr(switchNumber, location -15, " [ Err " + str(ErrorCode) + ": Pwr off | Aboot ] ")
refresh()
elif ErrorCode == errno.ECONNRESET:
win.addstr(switchNumber, location -15, " [ Err " + str(ErrorCode) + ": Con RST ] ")
refresh()
except jsonrpclib.ProtocolError:
# Capture eAPI errors
result = jsonrpclib.loads( jsonrpclib.history.response )
print result["error"]["message"]
for error in result["error"]["data"][-1]["errors"]:
print error
except (xmlrpclib.ProtocolError, xmlrpclib.ResponseError), errormsg:
# Capture XML Error (usually bad password)
message = str(errormsg)
message = message.replace(ScriptUser, "user")
message = message.replace(ScriptPass, "pass")
print message
else:
win.addstr(switchNumber, location, "[ Done ]")
refresh()
screen = curses.initscr()
height, width = screen.getmaxyx()
win = curses.newwin(height, width, 0, 0)
#curses.use_default_colors()
#curses.start_color()
#CYAN_TEXT = 1
#curses.init_pair(CYAN_TEXT, curses.COLOR_CYAN, curses.COLOR_BLACK)
def refresh():
# The sleep fixes threads mashing other threads cursor positions
secs = random.uniform(0,0.5)
time.sleep(secs)
win.addstr(22,0,"")
screen.refresh()
win.refresh()
# Since called in threads, each thread must endwin()
curses.endwin()
def main(screen):
for x in range(20):
win.addstr(x+1,1,"Student-" + str(x+1).zfill(2) + " Init Baseline: [ .. ] ")
win.addstr(22,0," Baseline takes ~1m. 'Done' means reboot initiated.")
win.addstr(23,0," New Baseline code will be " + EOSVer)
refresh()
for switchNumber in range(1, NumStudents + 1):
t = Thread(target=BaselineEOS, args=(switchNumber,))
t.start()
curses.endwin()
try:
curses.wrapper(main)
except KeyboardInterrupt:
curses.endwin()
print "Caught Keyboard Interrupt - Exiting"
sys.exit()