External scripts for Xymon client on Xymon Server

6 messages in this thread

list Ryan Novosielski · Wed, 22 Dec 2010 17:29:45 -0500 ·

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Hi all,

I am not sure what is the correct way to add external scripts to a
client instance running on a machine that houses a server. If you look
in hobbitlaunch.cfg in the server's etc directory, you see:

# "hobbitclient" runs the Xymon client. The client is installed
# automatically when you install a Xymon server (presumably, you do
# want to monitor  the Xymon server ?), but there's no need to have two
# hobbitlaunch instances running at the same time. So we'll just run it
# from here.
# Note: If you are using another client package, you should disable this
# one.

[hobbitclient]
        ENVFILE /opt/xymon-4.2.3/client/etc/hobbitclient.cfg
        NEEDS hobbitd
        CMD /opt/xymon-4.2.3/client/bin/hobbitclient.sh
        LOGFILE $BBSERVERLOGS/hobbitclient.log
        INTERVAL 5m

...however, if I do this, it appears as if either none of the external
scripts run, or if they do run, they don't write anything to the
logfiles/do not get their information to the Xymon server program.

Do I need to add the external scripts to hobbitlaunch.cfg instead of
clientlaunch.cfg? Something else?

Thanks in advance for any help!

- -- 
- ---- _  _ _  _ ___  _  _  _
|Y#| |  | |\/| |  \ |\ |  | |Ryan Novosielski - Sr. Systems Programmer
|$&| |__| |  | |__/ | \| _| |user-ae4522577e16@xymon.invalid - 973/972.0922 (2-0922)
\__/ Univ. of Med. and Dent.|IST/CST-Academic Svcs. - ADMC 450, Newark
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list Tim McCloskey · Wed, 22 Dec 2010 14:43:54 -0800 ·

The clientlaunch.cfg is in the client's etc dir, not the server etc dir.  Logs / tmp files will be under the client dir too.

Example, on a hobbit server there are both $hobbithome/{server,client} dirs.

client/ext/na2.sh

[client/etc] tail clientlaunch.cfg 
   
[NA2CPU]
        ENVFILE $HOBBITCLIENTHOME/etc/hobbitclient.cfg
        CMD $HOBBITCLIENTHOME/ext/na2.sh
        LOGFILE $HOBBITCLIENTHOME/logs/na2.log
        INTERVAL 2m


Tim

list Ryan Novosielski · Wed, 22 Dec 2010 17:54:56 -0500 ·

▸ quoted from Tim McCloskey

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On 12/22/2010 05:43 PM, Tim McCloskey wrote:

The clientlaunch.cfg is in the client's etc dir, not the server etc dir.  Logs / tmp files will be under the client dir too.

Example, on a hobbit server there are both $hobbithome/{server,client} dirs.

client/ext/na2.sh

[client/etc] tail clientlaunch.cfg 
   
[NA2CPU]
        ENVFILE $HOBBITCLIENTHOME/etc/hobbitclient.cfg
        CMD $HOBBITCLIENTHOME/ext/na2.sh
        LOGFILE $HOBBITCLIENTHOME/logs/na2.log
        INTERVAL 2m

Yes, that much I knew. OK, so I've taken another look at this. It looks
as if the external client scripts ARE running, but the data doesn't go
anywhere and there are no ghost clients. I've also checked what I
believe are all of the places that the port and server address are
defined to make sure this isn't all going someplace else.

One of my external scripts, for example, is a vmio script. You can see
it is running the commands needed to accomplish that:

   xymon  4976  4973  0 17:50:09 ?        0:00 vmstat 300 2
   xymon  4978  4975  0 17:50:09 ?        0:00 iostat -dxsrP 300 2

...however, about 6 months ago, these tests turned purple (to me, what
seems like by magic). The other external scripts (one that gets
temperature and one that does metastat for the SW raid) run too quickly
for me to tell what their story is, but they do not write anything to
the client log directory.

Anyone have any idea how to troubleshoot this?

▸ quoted from Ryan Novosielski


- -- 
- ---- _  _ _  _ ___  _  _  _
|Y#| |  | |\/| |  \ |\ |  | |Ryan Novosielski - Sr. Systems Programmer
|$&| |__| |  | |__/ | \| _| |user-ae4522577e16@xymon.invalid - 973/972.0922 (2-0922)
\__/ Univ. of Med. and Dent.|IST/CST-Academic Svcs. - ADMC 450, Newark
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list Ralph Mitchell · Wed, 22 Dec 2010 18:05:12 -0500 ·

You probably have a log file somewhere.  In Tim's example, it defined like
this:

         LOGFILE $HOBBITCLIENTHOME/logs/na2.log

If the log doesn't show anything interesting, you should be able to *make*
it show something interesting.  For example, a "set -x" at the top of the
script will show you exactly what it does.

You can also execute the script manually as if it were Xymon executing it,
using the bbcmd command.

Ralph Mitchell

▸ quoted from Ryan Novosielski



On Wed, Dec 22, 2010 at 5:54 PM, Ryan Novosielski <user-ae4522577e16@xymon.invalid>wrote:

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Hash: SHA1

On 12/22/2010 05:43 PM, Tim McCloskey wrote:

The clientlaunch.cfg is in the client's etc dir, not the server etc dir.

 Logs / tmp files will be under the client dir too.

Example, on a hobbit server there are both $hobbithome/{server,client}
dirs.

client/ext/na2.sh

[client/etc] tail clientlaunch.cfg

[NA2CPU]
        ENVFILE $HOBBITCLIENTHOME/etc/hobbitclient.cfg
        CMD $HOBBITCLIENTHOME/ext/na2.sh
        LOGFILE $HOBBITCLIENTHOME/logs/na2.log
        INTERVAL 2m

Yes, that much I knew. OK, so I've taken another look at this. It looks
as if the external client scripts ARE running, but the data doesn't go
anywhere and there are no ghost clients. I've also checked what I
believe are all of the places that the port and server address are
defined to make sure this isn't all going someplace else.

One of my external scripts, for example, is a vmio script. You can see
it is running the commands needed to accomplish that:

  xymon  4976  4973  0 17:50:09 ?        0:00 vmstat 300 2
  xymon  4978  4975  0 17:50:09 ?        0:00 iostat -dxsrP 300 2

...however, about 6 months ago, these tests turned purple (to me, what
seems like by magic). The other external scripts (one that gets
temperature and one that does metastat for the SW raid) run too quickly
for me to tell what their story is, but they do not write anything to
the client log directory.

Anyone have any idea how to troubleshoot this?

- --
- ---- _  _ _  _ ___  _  _  _
|Y#| |  | |\/| |  \ |\ |  | |Ryan Novosielski - Sr. Systems Programmer
|$&| |__| |  | |__/ | \| _| |user-ae4522577e16@xymon.invalid - 973/972.0922 (2-0922)
\__/ Univ. of Med. and Dent.|IST/CST-Academic Svcs. - ADMC 450, Newark
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list Roland Soderstrom · Thu, 23 Dec 2010 10:44:16 +1100 ·

This always confused me.
In beta2 I run the client tasks specified in client/etc/clientlaunch.cfg

in beta3 I run the client tasks specified in server/etc/tasks.cfg
it's even a note in tasks.cfg
# client tasks are configured here, apart from the normal builtin that runs from xymonclient.

I'm not sure which method is the correct one in beta2, the note in beta3 tells me that is the correct method for beta3.

-Roland

▸ quoted from Ryan Novosielski

On 23/12/10 09:54 AM, Ryan Novosielski wrote:

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On 12/22/2010 05:43 PM, Tim McCloskey wrote:

The clientlaunch.cfg is in the client's etc dir, not the server etc dir.  Logs / tmp files will be under the client dir too.



Example, on a hobbit server there are both $hobbithome/{server,client} dirs.



client/ext/na2.sh



[client/etc] tail clientlaunch.cfg 

   

[NA2CPU]

        ENVFILE $HOBBITCLIENTHOME/etc/hobbitclient.cfg

        CMD $HOBBITCLIENTHOME/ext/na2.sh

        LOGFILE $HOBBITCLIENTHOME/logs/na2.log

        INTERVAL 2m


Yes, that much I knew. OK, so I've taken another look at this. It looks

as if the external client scripts ARE running, but the data doesn't go

anywhere and there are no ghost clients. I've also checked what I

believe are all of the places that the port and server address are

defined to make sure this isn't all going someplace else.



One of my external scripts, for example, is a vmio script. You can see

it is running the commands needed to accomplish that:



   xymon  4976  4973  0 17:50:09 ?        0:00 vmstat 300 2

   xymon  4978  4975  0 17:50:09 ?        0:00 iostat -dxsrP 300 2



...however, about 6 months ago, these tests turned purple (to me, what

seems like by magic). The other external scripts (one that gets

temperature and one that does metastat for the SW raid) run too quickly

for me to tell what their story is, but they do not write anything to

the client log directory.



Anyone have any idea how to troubleshoot this?



- -- 

- ---- _  _ _  _ ___  _  _  _

|Y#| |  | |\/| |  \ |\ |  | |Ryan Novosielski - Sr. Systems Programmer

|$&| |__| |  | |__/ | \| _| |user-ae4522577e16@xymon.invalid - 973/972.0922 (2-0922)

\__/ Univ. of Med. and Dent.|IST/CST-Academic Svcs. - ADMC 450, Newark

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list Ralph Mitchell · Wed, 22 Dec 2010 19:46:49 -0500 ·

I always used to use cron to run extra checkout scripts - it takes the
guesswork out of scheduling a lot of scripts.

Ralph Mitchell


On Wed, Dec 22, 2010 at 6:44 PM, Roland Soderstrom <

▸ quoted from Roland Soderstrom

user-0cec9512a49f@xymon.invalid> wrote:

 This always confused me.
In beta2 I run the client tasks specified in client/etc/clientlaunch.cfg

in beta3 I run the client tasks specified in server/etc/tasks.cfg
it's even a note in tasks.cfg
# client tasks are configured here, apart from the normal builtin that runs
from xymonclient.

I'm not sure which method is the correct one in beta2, the note in beta3
tells me that is the correct method for beta3.

-Roland


On 23/12/10 09:54 AM, Ryan Novosielski wrote:

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Hash: SHA1

On 12/22/2010 05:43 PM, Tim McCloskey wrote:

 The clientlaunch.cfg is in the client's etc dir, not the server etc dir.  Logs / tmp files will be under the client dir too.

Example, on a hobbit server there are both $hobbithome/{server,client} dirs.

client/ext/na2.sh

[client/etc] tail clientlaunch.cfg

[NA2CPU]
        ENVFILE $HOBBITCLIENTHOME/etc/hobbitclient.cfg
        CMD $HOBBITCLIENTHOME/ext/na2.sh
        LOGFILE $HOBBITCLIENTHOME/logs/na2.log
        INTERVAL 2m

 Yes, that much I knew. OK, so I've taken another look at this. It looks
as if the external client scripts ARE running, but the data doesn't go
anywhere and there are no ghost clients. I've also checked what I
believe are all of the places that the port and server address are
defined to make sure this isn't all going someplace else.

One of my external scripts, for example, is a vmio script. You can see
it is running the commands needed to accomplish that:

   xymon  4976  4973  0 17:50:09 ?        0:00 vmstat 300 2
   xymon  4978  4975  0 17:50:09 ?        0:00 iostat -dxsrP 300 2

...however, about 6 months ago, these tests turned purple (to me, what
seems like by magic). The other external scripts (one that gets
temperature and one that does metastat for the SW raid) run too quickly
for me to tell what their story is, but they do not write anything to
the client log directory.

Anyone have any idea how to troubleshoot this?

- --
- ---- _  _ _  _ ___  _  _  _
|Y#| |  | |\/| |  \ |\ |  | |Ryan Novosielski - Sr. Systems Programmer
|$&| |__| |  | |__/ | \| _| |user-ae4522577e16@xymon.invalid - 973/972.0922 (2-0922)
\__/ Univ. of Med. and Dent.|IST/CST-Academic Svcs. - ADMC 450, Newark
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External scripts for Xymon client on Xymon Server