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Exporting weathermaps

 
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robgolding63



Joined: 05 Apr 2008
Posts: 16
PostPosted: Tue Apr 08, 2008 11:13 am    Post subject: Exporting weathermaps Reply with quote
Hi,
I know this is the second topic in as many days I've started, but I hope this will be a simple one to answer.

I wish to export my weathermap, to another webserver - so I can publish it on my website. At present I have an smbmount working to the target server (cacti server is linux, target is Windows Server 2003), and a cp command that runs every minute (as does the poller) to copy the weathermap over to the webserver.

I am experiencing problems, however, when the two commands run almost simultaneously, and only half the weathermap is generated when the copy runs, so I get an incomplete weathermap on the webserver. Is there an "official" way to export the maps, or should I make a script to run the poller, wait a few seconds, then run the copy, and call that from a single cron.

I am trying this method at present, but the sleep command doesn't seem to be working for me .

Thanks a lot,

Rob
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streaker69
Cacti Pro User


Joined: 27 Mar 2006
Posts: 647
Location: Psychic Amish Network Administrator
PostPosted: Tue Apr 08, 2008 1:40 pm    Post subject: Reply with quote
Why not just link to the weathermap in an IFrame instead of trying to export it to another server?
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Howie
Cacti Guru User


Joined: 16 Sep 2004
Posts: 2059
Location: United Kingdom
PostPosted: Tue Apr 08, 2008 1:55 pm    Post subject: Reply with quote
streaker69 wrote:
Why not just link to the weathermap in an IFrame instead of trying to export it to another server?


You may need to remove/modify the .htaccess file I just added in 0.95 to do that The latest version tries a little more to block you getting to maps without being logged into Cacti. Also, the <IMG> tag in the HTML refers to a script rather than the image directly.

Hmmm. It's getting so you *do* need an export option, isn't it?
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Howie
Cacti Guru User


Joined: 16 Sep 2004
Posts: 2059
Location: United Kingdom
PostPosted: Tue Apr 08, 2008 2:00 pm    Post subject: Reply with quote
As for the 'half-map' problem, the way I solve those is by changing my cron script for Cacti. I have an update.sh script in the cacti home directory, and put *that* in the crontab.

That looks like:
Code:

#!/bin/sh

/usr/bin/php /var/www/docs/cacti/poller.php

# at this stage, the rrd files are updated, and weathermaps too.

# any other commands I want to run right after Cacti.
rrdtool graph .......



I use this to generate some composite graphs for our intranet, and also some stripgraphs from the just-collected cacti data.
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robgolding63



Joined: 05 Apr 2008
Posts: 16
PostPosted: Tue Apr 08, 2008 5:28 pm    Post subject: Reply with quote
streaker69 wrote:
Why not just link to the weathermap in an IFrame instead of trying to export it to another server?


The Cacti server isn't visible from the outside, so this can't be done unfortunately.

Howie wrote:

As for the 'half-map' problem, the way I solve those is by changing my cron script for Cacti. I have an update.sh script in the cacti home directory, and put *that* in the crontab.


Yeah that's what I was thinking too. I made the script, but wanted to add a sleep command between the poller and the copy, but it seems to be working OK without it.

Thanks a lot...again!

Rob
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