Stop Double Monitoring: NGINX Plus API Helping BIG-IP

How do you prevent double monitoring when a Load Balancer load balances a Load Balancer? Using the NGINX Plus API we can leverage a BIG-IP to monitor the state of your applications and avoi...
Published Nov 14, 2019
Version 1.0
application delivery
BIG-IP
NGINX
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linjing
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Jan 03, 2020

an example

#!/usr/bin/python
# -*- coding: UTF-8 -*-
 
import sys
import urllib2
import json
 
def get_nginxapi(url):
    ct_headers = {'Content-type':'application/json'}
    request = urllib2.Request(url,headers=ct_headers)
    response = urllib2.urlopen(request)
    html = response.read()
    return html
 
api = sys.argv[3]
 
try:
    data = get_nginxapi(api)
    data = json.loads(data)
except:
    data = ''
m = 0
lowwater = int(sys.argv[4])
try:
    for peer in data['peers']:
        state = peer['state']
        if state == 'up':
            m = m + 1
except:
    m = 0
#print data['peers'][]['state']
#print m
if m >= lowwater:
    print 'UP'