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[Mahendra Kutare]

On Tue, Jul 28, 2009 at 1:57 PM, Mahendra Kutare
<mahendra.kutare at gmail.com>wrote:

>
>
> On Tue, Jul 28, 2009 at 12:30 PM, Mahendra Kutare <
> mahendra.kutare at gmail.com> wrote:
>
>> Hi,
>>
>> On Tue, Jul 28, 2009 at 5:43 AM, Sebastian Harl <sh at tokkee.org> wrote:
>>
>>> Hi Mahendra,
>>>
>>> On Mon, Jul 27, 2009 at 11:18:26PM -0400, Mahendra Kutare wrote:
>>> > I have collectd version 4.5.3 installed on Xen platform.
>>>
>>> Which Linux distribution do you use (does ".el5" in the Kernel uname
>>> suggest RHEL5?)? Where did you get collectd from? Did you install a
>>> pre-compiled package or did you compile it yourself? In the later case,
>>> please provide the file "config.log" created during the build.
>>>
>>
>> I have RHEL5 and Xen  3.1.2 installed. This is installed through RHEL RPMS
>> using puppet.
>> For installation of collectd I just did yum install collectd. So its the
>> same as above.
>>
>>>
>>> > 1. I enabled the Plugin section for libvirt but I don't see any entry
>>> for
>>> > libvirt in LoadPlugin section in default /etc/collectd.conf file. So I
>>> added
>>> > the entry myself and try starting the collectd with command and get
>>> this -
>>> >
>>> > [root at samoa1 ~ 10:39 PM]$ /etc/init.d/collectd start
>>> > Starting collectd: Could not find plugin libvirt.
>>> > [2009-07-27 22:39:38] Found a configuration for the `libvirt' plugin,
>>> but
>>> > the plugin isn't loaded or didn't register a configuration callback.
>>> > [2009-07-27 22:39:38] Found a configuration for the `libvirt' plugin,
>>> but
>>> > the plugin isn't loaded or didn't register a configuration callback.
>>> >                                                            [  OK  ]
>>> >
>>> > Next I see the plugin directory specified at /etc/collectd.conf is
>>> located
>>> > at - *PluginDir   "/usr/lib64/collectd"*
>>> >
>>> > But libvirt.so.x file is not available there. I also see libvirt.so.x
>>> file
>>> > in /usr/lib/ directory. So do I have to copy or create soft links to
>>> that
>>> > file from plugin dir ?
>>>
>>> libvirt.so.x is the libvirt library which is used by the "libvirt"
>>> plugin (which might be confusing and, in fact, even confuses the build
>>> system under certain conditions - we might want to think about renaming
>>> the plugin in version 5). The plugin binary is called "libvirt.so"
>>> without any version appended to it. If you cannot find that file in
>>> PluginDir, most likely the plugin is not available - I need answers to
>>> the questions above to provide more information about that.
>>
>>
>> So I see libvirt.so is not present in /usr/lib64/collectd and even
>> attempting to copy them from somewhere like /usr/lib64 to
>> /usr/lib64/collectd i.e. PluginDir does not work as it says -
>> MODULE_REGISTER is not defined so I understand collectd expects some funcs
>> which are OBVIOUSLY not there in default.
>>
>> Another point is - since everything is installed with RPMS I am not sure
>> if COLLECTD expect source files for libvirt which to change/add funcs as the
>> way it requires e.g. MODULE_REGISTER func for libvirt in libvirt.so in
>> PLUGIN_DIR ?
>>
>>
>>>
>>>
>>> > 2. I see there is a plugin for gmond - which essentially recieves data
>>> from
>>> > ganglia gmonds but Is there a way to send collectd data to ganglia
>>> gmond ?
>>>
>>> Nope, that is not (yet?) possible. Patches are welcome! ;-)
>>>
>>
>> Well as part of my work, I will have to get this working, So once am done
>> with my experiments I can contribute the patch.
>>
>>>
>>>
> FYI my machine has libvirt located at -
>
> [root at samoa1 ~ 01:54 PM]$ ls -l /usr/lib64/ | grep libvir
> lrwxrwxrwx  1 root root       16 Jun  1 17:57 libvirt.so.0 ->
> libvirt.so.0.3.3
> -rwxr-xr-x  1 root root   367992 Feb 18 10:03 libvirt.so.0.3.3
>
>

I am wondering if I have to build libvirt from source along with collectd to
make this work ? Or is there a way to make it work from RPM installation of
collectd and libvirt ?

THanks
Mahendra
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