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Full Discussion: Help with a script for proxy traffic
Top Forums Shell Programming and Scripting Help with a script for proxy traffic Post 303020001 by Katkota on Wednesday 11th of July 2018 09:51:45 PM
Old 07-11-2018
Help with a script for proxy traffic
Hello folks; I'm trying to write a script to test our proxy servers to see if they're passing traffic and i need help please. I wrote this code below to implement "httpie" tool but still having issues. Can someone please take a look and let me know what's wrong with this code? The code is supposed to check all the proxy IP addresses to make sure all IPs are passing traffic and if each proxy returns 200 then the code should exit but if we have an issue, the code should then send me an email saying the specific IP address returned this specific error.
The script runs fine but if any of the Proxys not passing traffic, the script sends an email but it does not tell me which IP failed. Any idea how i make it return the IP address that didn't pass traffic??

Any help with that would be greatly appreciated?

Code:
#!/bin/bash
proxy_targets="http://10.1.1.4:3128 http://10.1.1.5:3128 http://10.1.1.6:3128"

failed_hosts=""

for i in $proxy_targets
do

if http --check-status --ignore-stdin --timeout=2.5 --proxy=http:$i HEAD www.msftncsi.com/ncsi.txt &> /dev/null; then
    echo 'OK!'
else
    case $? in
        2) echo 'Request timed out!'| mail -s "The following WSA has failed to pass traffic with the following error" moe.abdel@childrens.ha
rvard.edu  ;;
        3) echo 'Unexpected HTTP 3xx Redirection!'| mail -s "The following WSA has failed to pass traffic with the following error" katkota@newwork.com  ;;
        4) echo 'HTTP 4xx Client Error!'| mail -s "The following WSA has failed to pass traffic with the following error" katkota@newwork.com  ;;
        5) echo 'HTTP 5xx Server Error!'| mail -s "The following WSA has failed to pass traffic with the following error" katkota@newwork.com  ;;
        6) echo 'Exceeded --max-redirects=<n> redirects!'| mail -s "The following WSA has failed to pass traffic with the following error" katkota@newwork.com  ;;
        *) echo 'Other Error!'| mail -s "The following WSA has failed to pass traffic with the following error" katkota@newwork.com ;;
    esac
fi
done;

Last edited by Katkota; 07-11-2018 at 11:32 PM..
 

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LEARN ABOUT OSF1

niff

niff(7) 						 Miscellaneous Information Manual						   niff(7)

NAME

       niff - Network Interface Failure Finder (NIFF) introductory information.

DESCRIPTION

       The  Network  Interface Failure Finder, NIFF, is a facility for detecting and reporting possible failures in network interface cards (NICs)
       or their connections. Detection is done by monitoring device counters and attempting to	generate  traffic  to  NICs  suspected	of  having
       failed.	Reporting is done using the Event Manager subsystem (EVM).  NIFF does not drive failover operations; that is the responsibility of
       the application that subscribes to NIFF's EVM events. Appropriate courses of action may include selecting  another  network  interface  for
       communication or if it is a clustered environment, migrating an application.  See nr(7) for further information.

       At  the	heart of NIFF is the traffic monitor thread. The traffic monitor thread tracks changes in the network device's counters, and notes
       if the received packet counter remains unchanged since the previous snapshot. As long as the counter continues  to  increase,  the  traffic
       monitor thread assumes the NIC is functioning. See nifftmt(7) for further information.

       The  traffic  monitor  thread can monitor any network interface.  The configuration utility, niffconfig, is used to activate and administer
       the traffic monitor thread. See nifftmt(7) and niffconfig(8) for further information.

       The Network Interface Failure Finder daemon, niffd, is a traffic generator for network interfaces that have been classified inactive by the
       kernel traffic monitor thread. The purpose of niffd is to get the interface packet counters to increment, signifying the interface is still
       alive and well. See niffd(8) for further information.

SEE ALSO
:
       nifftmt(7), nr(7), niffconfig(8), niffd(8) delim off

																	   niff(7)
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