[arm-allstar] Announce when Internet is lost

[Danny K5CG]

Ok I tested this and it works, it created the /tmp file too.

#!/usr/bin/bash

wget -q --spider http://google.com
result=$?

# if the test fails and the tmp file does not exist
if [[ $result -gt 0 ]] && [[ ! -f /tmp/internetdown ]] ; then
   # play the message
   /usr/bin/asterisk -rx "rpt localplay 40039 /etc/asterisk/local/offline"
   # create the flag
   touch /tmp/internetdown
elif [[ $result -eq 0 ]] && [[ -f /tmp/internetdown ]] ; then
   # internet is back online
   /usr/bin/asterisk -rx "rpt localplay 40039 /etc/asterisk/local/online"
   # remove the flag
   rm -f /tmp/internetdown
fi


I did not disconnect the network however, I changed "google" to "gaagle" to ensure it would fail the test.

73 
Danny, K5CG 
HH 550-000-0609 
SKCC 14257

----- Original Message -----
From: "ARM Allstar" <arm-allstar at hamvoip.org>
To: "Dave Petrie" <wa2kjc at gmail.com>
Cc: "Danny Siminiuk" <k5cg at hamoperator.org>, "ARM Allstar" <arm-allstar at hamvoip.org>
Sent: Monday, November 13, 2023 8:33:07 PM
Subject: Re: [arm-allstar] Announce when Internet is lost

Dave, 

This script will run as root from crontab so you don't really need the sudo at the front. 

And use -rx for playback, as well you probably want localplay instead of playback for the local repeater only. 

You could touch/remove a file in /tmp to track current status. Like this. 

wget -q --spider [ http://google.com/ | http://google.com ] 

# if the test fails and the tmp file does not exist 
if [ $? -gt 0 ] -a [ ! -f /tmp/internetdown ] ; then 
# play the message 
/usr/bin/asterisk -rx "rpt localplay 40039 /etc/asterisk/local/ offline " 
# create the flag 
touch /tmp/internetdown 
else 
# internet is back online 
/usr/bin/asterisk -rx "rpt localplay 40039 /etc/asterisk/local/ online " 
# remove the flag 
rm -f /tmp/internetdown 
fi 

Something like that. 

Let me know... 


73 
Danny, K5CG 
HH 550-000-0609 
SKCC 14257 


From: "Dave Petrie" <wa2kjc at gmail.com> 
To: "ARM Allstar" <arm-allstar at hamvoip.org> 
Cc: "Danny Siminiuk" <k5cg at hamoperator.org> 
Sent: Monday, November 13, 2023 8:14:45 PM 
Subject: Re: [arm-allstar] Announce when Internet is lost 

got it, now to stop playing every minute the network is down or maybe 
just change the announcement to a simple tone, beep, burp 
but i don't want it to keyup every minute, getting there 


wget -q --spider [ http://google.com/ | http://google.com ] 

if [ $? -gt 0 ]; then 

sudo /usr/bin/asterisk -vvvr -x "rpt playback 40039 /etc/asterisk/local/offline" 

On Mon, Nov 13, 2023 at 8:34 PM Dave Petrie < [ mailto:wa2kjc at gmail.com | wa2kjc at gmail.com ] > wrote: 



ok i am working on it, almost there, it's not announcing yet when i unplug the internet to the raspberry with the repeater up and running 
here is what i have done, tell me what you think and what do i change to announce it is back when i can ping google, 
do i change the -gt 0 to a -gt 1 in another line 



i named your script internet.sh and put it in /etc/asterisk/local 
and chmod +x internet.sh 

#!/usr/bin/bash 

wget -q --spider [ http://google.com/ | http://google.com ] 

if [ $? -gt 0 ]; then 

echo sudo /usr/bin/asterisk -vvvr -x "rpt playback 40039 /etc/asterisk/local/offline" 

fi 

then in crontab -e 

it plays from the command line just not automatically from disconnecting the internet and waiting 3 or 4 minutes 



*/1 * * * * /etc/asterisk/local/internet.sh 

On Mon, Nov 13, 2023 at 7:28 PM Danny K5CG via ARM-allstar < [ mailto:arm-allstar at hamvoip.org | arm-allstar at hamvoip.org ] > wrote: 

BQ_BEGIN
Dave, 

There's probably so many ways to do that they can't be listed, but here's one that should work for you. 

Create a new script and give it execute permission. 


#!/usr/bin/bash 

wget -q --spider [ http://google.com/ | http://google.com ] 

if [ $? -gt 0 ]; then 
echo "Offline" 
fi 


Replace the echo line with whatever asterisk command you want that will play a local file. 

Add the script to your crontab to run every minute. 

One idea of many. 

73 
Danny, K5CG 
HH 550-000-0609 
SKCC 14257 

----- Original Message ----- 
From: "ARM Allstar" < [ mailto:arm-allstar at hamvoip.org | arm-allstar at hamvoip.org ] > 
To: "ARM Allstar" < [ mailto:arm-allstar at hamvoip.org | arm-allstar at hamvoip.org ] > 
Cc: "Dave Petrie" < [ mailto:wa2kjc at gmail.com | wa2kjc at gmail.com ] > 
Sent: Monday, November 13, 2023 7:22:57 AM 
Subject: [arm-allstar] Announce when Internet is lost 

Is there anyway to run a script that would ping let's say 8.8.8.8 and 
announce 
over the local repeater the hamvoip raspberry is controlling, that the 
internet has been lost, disconnected. 
I am helping a Ham friend that is a History teacher at a school and is 
setting up, with the support and enthusiasm from school staff and 
principal, a uhf repeater with a internet hotspot that recently stopped 
working, i know there are lots of reason for the disconnect, we just want 
to know when it happens. 
Thanks 
Dave 
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BQ_END


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