[linux-lvm] SOLVED [was: lvmdbusd failure(s) at ubuntu]

[Oliver Rath <rath@mglug.de>]

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Hi list,

Ive found the reason for failing lvmdbusd: The install-script installs
the python-module-dir "lvmdbusd" into /usr/lib/python3.6/site-packages.
Unfortunatly this path is not in the standard-python(3)-modulepath included:

--------------- snip -------------------------

ver@w541:~/gits/lvm2$ python3 -m site
sys.path = [
    '/home/oliver/gits/lvm2',
    '/usr/lib/python36.zip',
    '/usr/lib/python3.6',
    '/usr/lib/python3.6/lib-dynload',
    '/usr/local/lib/python3.6/dist-packages',
    '/usr/lib/python3/dist-packages',
    '/usr/lib/python3.6/dist-packages',
]
USER_BASE: '/home/oliver/.local' (exists)
USER_SITE: '/home/oliver/.local/lib/python3.6/site-packages' (doesn't exist)
ENABLE_USER_SITE: True

--------------- snap -------------------------

It seems the "site-packages" dir is in Ubuntu a local one in the current
home dir. Putting the moduledir "lvmdbusd" into
/usr/lib/python3.6/dist-packages works fine. For me it is sufficient to
change the installation-path to this dir.

I don't know, how the paths are organized in other distros like fedora
or redhat, but maybe you find a way installing the lvm2-python3-parts
for lvmdbusd in a way which works also out of the box for ubuntu, too.

Tfh!

Oliver



On 11.12.2017 02:53, Oliver Rath wrote:
>
> Hi list,
>
> Im playing around with the dbus-daemon, which shows me some strange
> behaviours:
>
>   * lvmdbusd doesnt run with the message
>     # lvmdbusd
>     Traceback (most recent call last):
>       File "/sbin/lvmdbusd", line 13, in <module>
>         from lvmdbusd import main
>     ModuleNotFoundError: No module named 'lvmdbusd'
>     *but* the module seems to be installed:
>     # find /usr/lib/ -iname "lvmdbusd"
>     /usr/lib/python3.6/site-packages/lvmdbusd
>     /usr/lib/python3.5/site-packages/lvmdbusd
>
>     Btw, lvmdbusd seems not to be installed for python2
>   * lvmdbusd is a python-script, but the installer says "python is
>     deprecated, use dbus instead". Can I use the dbus-interface (Im
>     working on some examples in Rust for this) without the lvmdbusd?
>
> Is lvm via dbus possibly out of date and not longer useable?
>
> My system is ubuntu 17.10 with lvm2-git installed:
>
> # lvdisplay --version
>   LVM version:     2.02.177(2)-git (2017-11-03)
>   Library version: 1.02.146-git (2017-11-03)
>   Driver version:  4.37.0
>   Configuration:   ./configure --enable-lvmetad --enable-lvmpolld
> --enable-dmfilemapd --enable-cmdlib --enable-applib
> --enable-dbus-service --enable-notify-dbus --enable-python2_bindings
>
> TfH
>
> Oliver
>
>
>
>
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