Dispaly IP address in binary during boot
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265
monitor.py
265
monitor.py
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@ -1,122 +1,159 @@
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#!/usr/bin/env python
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# version 1.0
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#
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#
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#
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# For debugging we use the bottom left corner pixel and:
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#
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# show red dot failed to get data
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# show blue dot if failed to refresh the cookie.
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# show orage when we start refreshing data starts.
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# show yellow when initial login fails.
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# show red dot if failed to get data
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# show blue dot if failed to refresh the cookie.
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# show orange when we start refreshing data.
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# show yellow when login fails.
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#
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#
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# ver 1.1 added dispaly of ip address on boot in binary format.
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#
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#
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import time
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import json
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import requests
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import time
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import unicornhat as unicorn
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import urllib3
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import socket
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import commands
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print("Run colours based on data")
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urllib3.disable_warnings()
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unicorn.set_layout(unicorn.PHAT)
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unicorn.rotation(180)
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unicorn.brightness(0.4)
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height,width=unicorn.get_shape()
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# show one blue pixel to indcatie the script started
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unicorn.set_pixel(3,1,0,0,255)
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unicorn.set_pixel(4,1,0,0,255)
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unicorn.set_pixel(3,2,0,0,255)
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unicorn.set_pixel(4,2,0,0,255)
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unicorn.show()
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# login details for your APIC
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apic = '10.50.138.215'
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username = 'aci-health'
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password = 'aci-health'
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# show blue pixels in each corner
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def show_icon(timedel):
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unicorn.set_pixel(0,0,0,0,255)
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unicorn.set_pixel(0,3,0,0,255)
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unicorn.set_pixel(7,0,0,0,255)
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unicorn.set_pixel(7,3,0,0,255)
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unicorn.show()
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time.sleep(timedel)
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# show ipv4 address in binary on the 4x8 LEDs
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def show_ip(timedel):
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for address in filter(None, commands.getoutput("hostname -I").split(" ")):
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show_icon(1)
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try:
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print "processing: ",address
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for octetidx,octet in enumerate(address.split(".")):
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bin_octet="{0:08b}".format(int(octet))
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for idx,c in enumerate(bin_octet[::-1]):
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if c == "0":
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unicorn.set_pixel(idx,octetidx,0,255,0)
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elif c == "1":
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unicorn.set_pixel(idx,octetidx,255,0,0)
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print "display: ", address
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unicorn.show()
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time.sleep(timedel)
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except:
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print "skip ipv6"
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pass
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unicorn.clear()
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unicorn.show()
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return()
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# some colour defs
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red=(255,0,0)
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orange=(255,128,0)
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green=(0,255,0)
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# login details for your APIC
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apic = '1.1.1.1'
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username = 'admin'
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password = 'cisco123'
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#
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# get data from APIC function
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#
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def getdata():
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url='https://%s/api/node/mo/topology/health.json' % apic
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url='https://%s/api/node/mo/topology/health.json' % apic
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try:
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print "Getting data from APIC...",apic
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response = requests.get(url,cookies=cook,timeout=2,verify=False)
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json_data = response.json()
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health = json_data["imdata"][0]["fabricHealthTotal"]["attributes"]["cur"]
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print "currnet health score is",health
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show_unicorn(int(health))
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print "\n---------------\n"
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except:
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unicorn.clear()
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unicorn.set_pixel(0,0,255,0,0)
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unicorn.show()
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print "Missing health data, or timeout"
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pass
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return()
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try:
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print "Getting data from APIC...",apic
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response = requests.get(url,cookies=cook,timeout=2,verify=False)
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json_data = response.json()
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health = json_data["imdata"][0]["fabricHealthTotal"]["attributes"]["cur"]
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print "currnet health score is",health
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show_unicorn(int(health))
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print "\n---------------\n"
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except:
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unicorn.clear()
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unicorn.set_pixel(0,0,255,0,0)
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unicorn.show()
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print "Missing health data, or timeout"
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pass
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return()
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#
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# refresh session cookie
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#
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def refreshSession(oldcook):
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url = 'https://%s/api/aaaRefresh.json' % apic
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print "\n---------------\n"
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r = None
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while r is None:
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try:
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r = requests.get(url, cookies=oldcook,timeout=10,verify=False)
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newcook = r.cookies
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print "got a new cookie"
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print "\n---------------\n"
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except:
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unicorn.clear()
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unicorn.set_pixel(0,0,0,0,255)
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unicorn.show()
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print "timeout refreshing cookie"
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print "\n---------------\n"
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newcook = loginAPIC()
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pass
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return(newcook)
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url = 'https://%s/api/aaaRefresh.json' % apic
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print "\n---------------\n"
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r = None
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while r is None:
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try:
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r = requests.get(url, cookies=oldcook,timeout=10,verify=False)
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newcook = r.cookies
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print "got a new cookie"
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print "\n---------------\n"
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except:
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unicorn.clear()
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unicorn.set_pixel(0,0,0,0,255)
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unicorn.show()
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print "timeout refreshing cookie"
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print "\n---------------\n"
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newcook = loginAPIC()
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pass
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return(newcook)
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#
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# display the health score
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#
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def show_unicorn(health):
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if health == 100:
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colour=green
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level=8
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elif 90 <= health <= 99:
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colour=green
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level=7
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elif 60 <= health <= 89:
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colour=orange
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level=6
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elif 50 <= health <= 59:
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colour=orange
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level=5
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elif 30 <= health <= 49:
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colour=orange
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level=4
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elif 20 <= health <= 29:
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colour=red
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level=2
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else:
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colour=red
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level=1
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print "level",level
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print "colour",colour
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if health == 100:
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colour=green
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level=8
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elif 90 <= health <= 99:
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colour=green
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level=7
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elif 60 <= health <= 89:
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colour=orange
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level=6
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elif 50 <= health <= 59:
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colour=orange
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level=5
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elif 30 <= health <= 49:
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colour=orange
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level=4
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elif 20 <= health <= 29:
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colour=red
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level=2
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else:
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colour=red
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level=1
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print "level",level
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print "colour",colour
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for y in range(level):
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for x in range(width):
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@ -125,44 +162,58 @@ def show_unicorn(health):
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b=colour[2]
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unicorn.set_pixel(y,x,r,g,b)
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unicorn.show()
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time.sleep(0.05)
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return()
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time.sleep(0.05)
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return()
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def loginAPIC():
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headers={'content-type':'application/json'}
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auth = {'aaaUser': {'attributes': {'name':username,'pwd':password}}}
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url = 'https://%s/api/aaaLogin.json' % apic
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r = None
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while r is None:
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try:
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r = requests.post( url, data=json.dumps(auth), timeout=5, verify=False )
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print "status ",r.status_code
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cook = r.cookies
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print "cook is:",cook
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except:
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unicorn.clear()
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unicorn.set_pixel(0,0,255,255,0)
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unicorn.show()
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print "timeout logging in, but we will keep trying"
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pass
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return(cook)
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headers={'content-type':'application/json'}
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auth = {'aaaUser': {'attributes': {'name':username,'pwd':password}}}
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url = 'https://%s/api/aaaLogin.json' % apic
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r = None
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while r is None:
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try:
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r = requests.post( url, data=json.dumps(auth), timeout=5, verify=False )
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print "logging in, status ",r.status_code
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cook = r.cookies
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except:
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unicorn.clear()
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unicorn.set_pixel(0,0,255,255,0)
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unicorn.show()
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print "timeout logging in, but we will keep trying"
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show_ip(5)
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pass
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return(cook)
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# --------------------------------------------------------------------------
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# Main program loop starts here
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# --------------------------------------------------------------------------
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# Perform initial login, later we will need to refresh the cookie frequently
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print "Stared monitorig script..."
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show_icon(1)
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print "waiting for network"
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while len(filter(None, commands.getoutput("hostname -I").split(" "))) < 1:
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print "Waiting for at least 1 ip"
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print "got an ip address"
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# show ip addresses for 10s (1s delay between if more IPs found)
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show_ip(10)
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# Perform initial login, later we will need to refresh the cookie frequently
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cook = loginAPIC()
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while True:
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for num in range(0,8):
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unicorn.clear()
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unicorn.set_pixel(0,0,255,128,0)
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unicorn.show()
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getdata()
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time.sleep(5)
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print "Refreshing cookie"
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cook = refreshSession(cook)
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for num in range(0,8):
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unicorn.clear()
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unicorn.set_pixel(0,0,255,128,0)
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unicorn.show()
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getdata()
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time.sleep(5)
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print "Refreshing cookie"
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cook = refreshSession(cook)
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