[collectd] rrdcached plugin: Problems with file permissions

[Giovanni Torres]

On Sat, Oct 3, 2015 at 5:50 PM Thomas D. <whissi at whissi.de> wrote:

> Hi,
>
> I want to use an own user for collectd (collectd) and rrdcached
> (rrdcached).
>
> Therefore the user "collectd" is in group "rrdcached".
>
> I created "/srv/rrdcached{,/data,/journal}" with "chmod 2770" (user and
> group is set to "rrdcached").
>
> Collectd is able to create files in "/srv/rrdcached/data/*" but is
> unable to update the created file:
>
> > Oct  3 23:20:45 collect0r collectd[32139]: rrdcached plugin: rrdc_update
> (/srv/rrdcached/data/test1.example.org/load/load.rrd,
> [1443907245:0.020000:0.100000:0.090000], 1) failed with status -1.
>
> That's because collectd created the file with mode 644.
>
> When changing permissions to 664 everything works.
>
> A recursive setfacl on /srv/rrdcached/data might work, something like:

  setfacl -R -m d:u:collectd:rwX /srv/rrdcached/data

Giovanni
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