[collectd] Grouping the output of collectd in graphite

[Jerry Lombardo]

I'm trying to just organize the directories under the root dir.
What's under them isn't too much of a problem.


So I have
I'm looking to get
Graphite
|_____SNMP
           |____Host
           |____Host
           |____Host
           |____Host

Right now I have

Graphite
|_________HOST
                         |____load
                         |          |___load1
                         |         |___load2
                         |___Iface1  .......

Jerry Lombardo

Ld. Infrastructure Engineer | Infrastructure Services.

Columbia University Information Technology

Office: 212-85*3-0485*




On Wed, Jan 27, 2016 at 9:16 AM, Giovanni Torres <giovanni.torres at gmail.com>
wrote:

>
>
> On Tue, Jan 26, 2016 at 10:13 PM Jerry Lombardo <jl4472 at columbia.edu>
> wrote:
>
>> Hey, Thanks for the reply.
>>
>> I'm trying to get the 500 directories (one for each host under the
>> graphite root ) into one directory.  Replace doesn't look to be doing
>> that.  I posted a screen shot of what I am looking at now,  it's cropped
>> but if i could get all of these sorted under a sub dir it would beat
>> digging through the whole list to find what I want
>>
>>
>> https://gyazo.com/1182b05ead2a12dc9ee33273af316b33
>>
>
> It depends on how you want your values structured in this single directory.
>
> . Are you using only the SNMP plugin?
> . Are you using other collectd plugins?
>
> Collectd will send to carbon->whisper->graphite-web.  You will want to
> replace the values before sending off to carbon.
>
> Replace does work, but again, it depends on what name structure you have
> now and what you want it to be.  The screenshot only shows the top level
> directory, i.e. the hostnames.  It would be helpful to see the
> subdirectories under a hostname.
>
> The target_replace examples are scarce.  I have a simple setup using the
> CPU and Interface plugin, with the CSV plugin for output to a local
> directory.
>
> Before:
> └── localhost
>          ├── cpu
>          └── interface-eth0
>
>
> I put the following test configuration in place, which replaces my
> 'localhost' hostname with a different host name, 'all_hosts':
>
> LoadPlugin match_regex
> LoadPlugin target_replace
>
> <Chain "PreCache">
>   <Rule "change_hostname">
>     <Match "regex">
>      Host "^localhost.*"
>     </Match>
>     <Target "replace">
>       Host "\\<localhost" "all_hosts"
>      </Target>
>     </Rule>
>    Target "write"
>  </Chain>
>
> # This should be default, but putting in for backwards compatibility
>  <Chain "PostCache">
>  Target "write"
>  </Chain>
>
>
> After:
> .
>  ├── all_hosts
>  │       ├── cpu
>  │       └── interface-eth0
>  └── localhost
>           ├── cpu
>           └── interface-eth0
>
> The idea here is to replace the values before they make it into the global
> cache.
>
>
> Hope that helps.
>
> Giovanni
>
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