[collectd] Chains and writing question

[Wilfried Goesgens]

This PR https://github.com/collectd/collectd/pull/650 would add naming of
sinks to the log, maybe you want to test a self compiled collectd with this
patch.  
>  Mon Feb 02 2015 14:07:47 EST from "Mark Juric" <gajillion at gmail.com> 
>Subject: [collectd] Chains and writing question
>
>                  All,
>
>  I'm using the write_graphite plugin to write to a graphite cluster. The
>data I'm concerned with is coming from a central "polling" system that, via
>SNMP or the Netapp plugin, queries other appliances incapable of running the
>collectd client. I need this data to reside in a different directory when
>written based on certain host attributes. On a regular system, I simply add a
>"Prefix" to write_graphite and that puts the data in the correct place. On a
>polling machine, that forces the data for the polled system to have the same
>prefix added, putting it in the wrong directory. 
>
>
>
>  It appears that this should be resolvable via chains, but I'm not having
>any success. In the write_graphite documentation, the example configuration
>is described as registering "a writer under this string:
>write_graphite/example" because of the 
>
>
>
>  <Node "example">
>..
>
>  </Node>
>
>
>
>  configuration. To that end, I've created a write_graphite configuration
>with multiple nodes and different prefixes:
>
><Plugin write_graphite>
>  <Node "default">
>    Host "graphite-vip"
>    Port "2003"
>    Prefix "core.wl.syseng-test.dev."
>    SeparateInstances true
>  </Node>
>  <Node "netapp">
>    Host "graphite-vip"
>    Port "2003"
>    Prefix "core.sh5.storage-netapp.prd."
>    SeparateInstances true
>  </Node>
>  <Node "netscaler">
>    Host "graphite-vip"
>    Port "2003"
>    Prefix "core.na.netscaler-lb."
>    SeparateInstances true
>  </Node>
>
>  </Plugin>
>
>
>
>  How can I access these different nodes as separate writers? My chain
>configuration is complaining that they're invalid following the syntax in the
>wiki:
>
>LoadPlugin "match_regex"
>LoadPlugin "target_write"
><Chain "PreCache">
>        <Rule "rewrite_netapp">
>                <Match "regex">
>                        Plugin "netapp"
>                </Match>
>                <Target "write">
>                        Plugin
>"write_graphite/netapp"
>                </Target>
>                Target Stop
>        </Rule>
>        <Rule "rewrite_netscaler">
>                <Match "regex">
>                        Plugin "snmp"
>                </Match>
>                <Match "regex">
>                        Host "^netscaler.*"
>                </Match>
>                <Target "write">
>                        Plugin
>"write_graphite/netscaler"
>                </Target>
>                Target Stop
>        </Rule>
>
>        # Default target
>        <Target "write">
>                Plugin "write_graphite/default"
>        </Target>
></Chain>
>
>  Question: Is this possible? And if so, what am I doing wrong? Thanks,
>
>Mark
>
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>   (, 0 bytes) [View| Download]
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>  

  

 

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