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Planned for collectd version 5.0 is to move the type instance of plugins
df and interface to the plugin instance (see source). From version 5.0 the
default is to group data from a type instance OR data source in one graph.
In case of version 4 there are only 2 plugins to exclude from this: df and
interface.
Source: http://collectd.org/wiki/index.php/Plans_for_5.0
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A constructor is added to the Type_Default class. The constructor will
parse GET values (such as host, plugin, pinstance, type, tinstance,
seconds), create an array of all needed rrd files to generate a graph and
substract identifiers from these rrd files.
Because of the constructor (and related functions) it is not needed to
define an array of tinstances to be grouped and shown in one graph. Also
$obj->args don't have to be defined per plugin. This will result in
smaller plugin files.
The type classes are based on the fact that a plugin has multiple type
instances OR multiple rrd data sources. This is called the source and is
retrieved by rrd_get_sources in each rrd_gen_graph function. Also
variables in function rrd_gen_graph have been renamed to better ones.
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'on $host' doesn't have to be added manually to rrd_title anymore.
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Via the UnixSock plugin of Collectd it is possible to send commands to the
Collectd daemon. One of the commands is the FLUSH command, which you can
use to let the daemon write cached data to the rrd files.
CGP uses the FLUSH command before generating a graph and before showing
the load information on the main page. In this case the information shown
via CGP is always up-to-date. Also when you have configured the RRDTool
plugin of Collectd with a CacheTimeout setting.
This commit includes code based on functions collectd_identifier and
collectd_flush from php-collection by Bruno Prémont.
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The relative path to an rrd file can be generated based on host, plugin,
plugin instance, type and type instance. In this case path_format is not
needed anymore.
This commit includes code based on the collectd_identifier function from
php-collection by Bruno Prémont.
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Include information in the title about the host, plugin,
plugin instance, type and type instance.
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Show the host and plugin in the title to have a better browsing history.
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You can always return to the main page via the header. From the detail
page you can return to the host page by clicking the hostname.
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There was no cpu graph shown with hosts running a 2.4 kernel, because all
defined cpu states were needed.
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These configuration options have been added:
- width
- heigth
- detail-width
- detail-heigth
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The page is divided into a header, content and footer.
It is styled better and the header links to the main page.
Patch from Daniel von Fange (Leancoder):
http://pommi.nethuis.nl/storage/software/cgp/leancoder-css.cgp-v-0-1.patch
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- Don't depend on includes from files that are included.
- Don't use webdir with includes/requires (also because webdir couldn't
be available in some cases).
- Use common.inc.php instead of config.php in all plugins to have all
configuration settings available.
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CPG is designed to run out-of-the box. The local config is optional.
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Collectd Graph Panel is a frontend for Collectd written in PHP.
The goal of CGP is to provide an easy-to-use frontend for Collectd,
starting with page that shows an overview of all the hosts you are
managing with Collectd.
In this initial import there is support for the plugins that are default
enabled in Collectd. The supported plugins are located in the plugin
directory.
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