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Articles

Aside from the manual, I also write articles about specific features or issues with creating your maps. Those articles end up here.

0.96 Features - Templates

0.96 Features - Cacti Changes

0.96 Features - RRDtool changes

Adding additional data to your maps

Including Cacti host status in your Weathermap

The cactihost plugin
One of the new data source plugins in Weathermap 0.9 is cactihost. This takes a cacti "device ID" and uses it to query the cacti database for the current state of the device (simple so far). Cacti devices have 4 states: up, down, recovering and disabled, which have a number too: 0=disabled, 1=down, 2=recovering and 3=up.
The plugin returns the current state for both the 'in' and 'out' bandwidth values. Obviously, these aren't much use for links, but for nodes they are handy.

Using "non-standard" RRDtool DS names with Weathermap

So you've designed your map, picked out all your data sources from Cacti, and now you find that everything shows as zero.

Real Map Walkthrough #1

Since someone asked, here's the config for the map I posted last month in the gallery, and a little bit more discussion of how the different parts are done. I've ripped out the TARGET, INFOURL and OVERLIBGRAPH lines, since they don't help the discussion and they contained sensitive info. The layout is all there though.

Animating Weathermaps

Parallel Lines - the many ways to bond links in Weathermap

"That ought to be big enough" is one of those phrases that is never true. For load-balancing, high-availability, or just for jamming more stuff between two points, the networking world has always combined links in various ways - ethernet has LACP, serial lines have MLPPP, and so on. Weathermap supports a number of ways to represent these links, depending on what you want to achieve. This is a quick review of the options.