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what the filesystem usage is? if I have multi mount points, could it read
the all?
i tried the -v /:/rootfs trick, seem it only export the / filesystem

$ mount | grep system-home
/dev/mapper/system-home on /home type ext4 (rw,noatime,discard,data=ordered)
$ mount | grep system-root


/dev/mapper/system-root on / type ext4 (rw,noatime,discard,data=ordered)

$ docker run -it --rm -v /:/rootfs:ro centos:7 bash
[root at d34a95361150 /]# mount | grep system-home
/dev/mapper/system-home on /rootfs/home type ext4
(rw,noatime,discard,data=ordered)
/dev/mapper/system-home on /etc/resolv.conf type ext4
(rw,noatime,discard,data=ordered)
/dev/mapper/system-home on /etc/hostname type ext4
(rw,noatime,discard,data=ordered)
/dev/mapper/system-home on /etc/hosts type ext4
(rw,noatime,discard,data=ordered)

[root at 7663afac84ce /]# mount | grep system-root
/dev/mapper/system-root on /rootfs type ext4
(ro,noatime,discard,data=ordered)


About the processes, you can try `--pid host`, like
#docker run -it --rm --pid host centos:7 ps aux | wc
    333    3744   26656


On Mon, Jul 25, 2016 at 10:01 PM, Mathias Ewald <mewald at evoila.de> wrote:

> Dave, I have quite successfully tested what is suggested in
> https://github.com/influxdata/telegraf/issues/218. The following
> dashboard shows what I am able to retrieve from the host so far:
>
>
> I am pretty sure all values are host related with one exception: The total
> number of processes. Values like 2 or 3 smell like container values ;) Must
> have something to do with the HOST_PROC and HOST_SYS variables not being
> picked up or something ...
>
>
> I am pretty sure for Sensu you could take a similar approach.
>
> cheers
> Mathias
>
>
>
> 2016-07-25 15:16 GMT+02:00 Dave Walker <email at daviey.com>:
>
>> So, this is one of the areas i'm currently on with the Sensu work.  I've
>> been experimenting with a privileged container, which is very similar to
>> our current kolla_toolbox container.
>>
>> The agent certainly needs to be in it's own container, with access to be
>> able to run commands in other namespaces / containers.
>>
>> On 25 July 2016 at 11:58, Mathias Ewald <mewald at evoila.de> wrote:
>>
>>> Excellent point ... I just checked what happens when running telegraf in
>>> a container: You'll get paths like
>>>
>>> /etc/hostname
>>> /etc/hosts
>>> /var/log/kolla
>>>
>>> and others as available file systems. I guess it makes no sense at all
>>> then to containerize monitoring agents ... Sensu is going to have the same
>>> problems.
>>>
>>> Any suggestions?
>>>
>>>
>>> 2016-07-25 9:39 GMT+02:00 Jeffrey Zhang <zhang.lei.fly at gmail.com>:
>>>
>>>> I am open to the choice of tools. But i am worried on thing: how to
>>>> get all the host disk usage when containerized the monitor tool?
>>>>
>>>>
>>>>
>>>> On Mon, Jul 25, 2016 at 2:12 PM, Mathias Ewald <mewald at evoila.de>
>>>> wrote:
>>>> > Understood.
>>>> >
>>>> > 2016-07-25 7:34 GMT+02:00 Matthias Runge <mrunge at redhat.com>:
>>>> >>
>>>> >> On 25/07/16 06:38, Mathias Ewald wrote:
>>>> >> > Hi, correct me if wrong please: Isn't gnocchi more targeting cloud
>>>> >> > tenants rather than cloud ops? If that's the case I wont find info
>>>> like
>>>> >> > "controller cpu usage" or "hypervisor memory usage".
>>>> >> >
>>>> >> > Cheers
>>>> >> > Mathias
>>>> >> >
>>>> >> Uhm, in this scenario, gnocchi just used as time-series database.
>>>> It's
>>>> >> up to you, what you feed in. collectd collects whatever you want and
>>>> put
>>>> >> it into your database.
>>>> >>
>>>> >> Best,
>>>> >> Matthias
>>>> >>
>>>> >> --
>>>> >> Matthias Runge <mrunge at redhat.com>
>>>> >>
>>>> >> Red Hat GmbH, http://www.de.redhat.com/, Registered seat: Grasbrunn,
>>>> >> Commercial register: Amtsgericht Muenchen, HRB 153243,
>>>> >> Managing Directors: Charles Cachera, Michael Cunningham,
>>>> >>                     Michael O'Neill, Eric Shander
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>>>> >>
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>>>> >
>>>> >
>>>> >
>>>> > --
>>>> > Mobil: +49 176 10567592
>>>> > E-Mail: mewald at evoila.de
>>>> >
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>>>>
>>>>
>>>> --
>>>> Regards,
>>>> Jeffrey Zhang
>>>> Blog: http://xcodest.me
>>>>
>>>>
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>>>
>>>
>>> --
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>>> E-Mail: mewald at evoila.de
>>>
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>>> Wilhelm-Theodor-Römheld-Str. 34
>>> 55130 Mainz
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>
>
> --
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> E-Mail: mewald at evoila.de
>
> evoila GmbH
> Wilhelm-Theodor-Römheld-Str. 34
> 55130 Mainz
> Germany
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>
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-- 
Regards,
Jeffrey Zhang
Blog: http://xcodest.me
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