Xymon Digest, Vol 126, Issue 12

David Smith david.smith at renfrewshire.gov.uk
Mon Jul 19 12:01:21 CEST 2021 

Here is what I did, it may be a bit convoluted

This script in EXT
#############################
#!/bin/bash

export {http,https,ftp}_proxy="myproxyurlhere"

myproxy=`env | grep -i proxy`
echo "proxy settings are $myproxy"

HOSTTAG=URLTEST          # What we put in hosts.cfg to trigger this test
COLUMN=$HOSTTAG      # Name of the column, often same as tag in hosts.cfg

XYMONHOME=/opt/BB/bbsw/server
XYMON=/opt/BB/bbsw/server/bin/xymon
XYMSRV=10.111.9.5
SED=/bin/sed

$XYMONHOME/bin/xymongrep $HOSTTAG | while read L
   do
      set $L    # To get one line of output from xymongrep

      HOSTIP="$1"
      MACHINEDOTS="$2"
      MACHINE=`echo $2 | $SED -e's/\./,/g'`

echo "$MACHINE will do $HOSTTAG"

urlfile="/opt/BB/bbsw/server/ext/URL/$MACHINE.bb-checkweb"

URL=`cat $urlfile`

UP="HTTP/1.1 200 OK"
UP2="HTTP/1.1 200 Connection established"

status="$(curl -Is $URL | head -1)"
status=$(echo $status|tr -d '\r')

if [[ "$status" ==  "$UP" || "$status" ==  "$UP2" ]] ;
then
COLOR=green
MSG="$URL returned $status, so is up"

$XYMON $XYMSRV "status $MACHINE.$COLUMN $COLOR `date`
${MSG}
"
echo "$URL is up"

else
COLOR=red
MSG="$URL returned $status, so is down"
$XYMON $XYMSRV "status $MACHINE.$COLUMN $COLOR `date`
${MSG}
"
echo "$URL is down"
fi
done
########################

In EXT/URL
I have a bunch of txt files, with the name of the host as it appears in xymon hosts  file, and each contains the url I wish to check. A bit more work could make this better

In hosts.cfg, I have the tag URLTEST after the host to tell it to test a url

In tasks.cfg, I have

[checkurl]
        ENVFILE $XYMONHOME/etc/xymonserver.cfg
        NEEDS xymond
        CMD $BBHOME/ext/URLtest.sh
        LOGFILE $XYMONSERVERLOGS/checkurl.log
        INTERVAL 5m


Now I am certain that this is a very long way for a shortcut, but it definitely works for me


David


-----Original Message-----
From: Xymon <xymon-bounces at xymon.com> On Behalf Of xymon-request at xymon.com
Sent: 17 July 2021 11:00
To: xymon at xymon.com
Subject: Xymon Digest, Vol 126, Issue 12

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Today's Topics:

   1. Removing Columns and http monitoring 401 error (Cory Fiala)
   2. Re: Removing Columns and http monitoring 401 error
      (Christoph Zechner)


----------------------------------------------------------------------

Message: 1
Date: Fri, 16 Jul 2021 15:15:59 +0000
From: Cory Fiala <Cory.Fiala at bethel.k12.or.us>
To: "'xymon at xymon.com'" <xymon at xymon.com>
Subject: [Xymon] Removing Columns and http monitoring 401 error
Message-ID: <7b5e855c915c4869a8dcda7c1221dd87 at bethel.k12.or.us>
Content-Type: text/plain; charset="us-ascii"

Hello all,

I somehow created 2 new columns in the dashboard while I was trying to fix a http monitor. I've removed my changes and the columns still show up. How do you remove them from the dashboard?

My second issue is I'm wanting to monitor a URL and am only wanting to know if its alive. Since it requires authentication I'm getting HTTP status 401 error. How can I only monitor if it's up or down? Here is the last thing I've tried:

xxx.xxx.xxx.xxx    fs1     #     httpstatus=http;https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fworkfolders.somesite.k12.or.us%2F&data=04%7C01%7Cdavid.smith%40renfrewshire.gov.uk%7C916ad43bd7124f2c578c08d94909a881%7Cca2953361aa64486b2b2cf7669625305%7C0%7C0%7C637621128094743068%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=udJy43fiSFax0ZlqR5zUVaC4n5n38HX2f3kCLFroTL0%3D&reserved=0;200

Thanks!
Cory




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------------------------------

Message: 2
Date: Fri, 16 Jul 2021 18:17:11 +0200
From: Christoph Zechner <zechner at vrvis.at>
To: Cory Fiala <Cory.Fiala at bethel.k12.or.us>
Cc: "'xymon at xymon.com'" <xymon at xymon.com>
Subject: Re: [Xymon] Removing Columns and http monitoring 401 error
Message-ID: <a3b822cc-22c2-f35d-5269-4e320a88eb46 at vrvis.at>
Content-Type: text/plain; charset=windows-1252; format=flowed

Hi,

On 16/07/2021 17:15, Cory Fiala wrote:
> Hello all,
>
> I somehow created 2 new columns in the dashboard while I was trying to
> fix a http monitor. I?ve removed my changes and the columns still show
> up. How do you remove them from the dashboard?

On your xymon server, run the following command:

/usr/lib/xymon/server/bin/xymon 127.0.0.1 "drop <CLIENT> <COLUMN>"

to remove the column.

>
> My second issue is I?m wanting to monitor a URL and am only wanting to
> know if its alive. Since it requires authentication I?m getting HTTP
> status 401 error. How can I only monitor if it?s up or down? Here is
> the last thing I?ve tried:
>
> xxx.xxx.xxx.xxx??? fs1???? #
>
> ????httpstatus=http;https://eur01.safelinks.protection.outlook.com/?ur
> l=https%3A%2F%2Fworkfolders.somesite.k12.or.us%2F&data=04%7C01%7Cd
> avid.smith%40renfrewshire.gov.uk%7C916ad43bd7124f2c578c08d94909a881%7C
> ca2953361aa64486b2b2cf7669625305%7C0%7C0%7C637621128094743068%7CUnknow
> n%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLC
> JXVCI6Mn0%3D%7C1000&sdata=udJy43fiSFax0ZlqR5zUVaC4n5n38HX2f3kCLFro
> TL0%3D&reserved=0;200

this works on my machine with http auth:

sni httpstatus;https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fxymon.example.com%2F&data=04%7C01%7Cdavid.smith%40renfrewshire.gov.uk%7C916ad43bd7124f2c578c08d94909a881%7Cca2953361aa64486b2b2cf7669625305%7C0%7C0%7C637621128094743068%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=oRn%2BHaBpfNOSq2EMtj5l6UcSien64ygEutwWozP8cPM%3D&reserved=0;^([23]..|4013);^(40[02456789]|5..)

This allows status code 401 and 403 for example among others. See also:

https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fxymon.sourceforge.io%2Fxymon%2Fhelp%2Fmanpages%2Fman5%2Fhosts.cfg.5.html&data=04%7C01%7Cdavid.smith%40renfrewshire.gov.uk%7C916ad43bd7124f2c578c08d94909a881%7Cca2953361aa64486b2b2cf7669625305%7C0%7C0%7C637621128094743068%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=%2BIVGAfCff6cuWJs5hJAjIkAqxG2%2FtG49RugbYWO8jVE%3D&reserved=0

under "httpstatus"

Cheers
Christoph


>
> Thanks!
>
> Cory
>
>
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> %40renfrewshire.gov.uk%7C916ad43bd7124f2c578c08d94909a881%7Cca2953361a
> a64486b2b2cf7669625305%7C0%7C0%7C637621128094743068%7CUnknown%7CTWFpbG
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> 3D&reserved=0
>


------------------------------

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End of Xymon Digest, Vol 126, Issue 12
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