On Fri, Sep 27, 2019 at 09:34:42AM +0200, w...@mailbox.org wrote:
> 
> > Jakub Hrozek <jhro...@redhat.com> hat am 26. September 2019 um 14:52 
> > geschrieben:
> > 
> > 
> > On Tue, Sep 24, 2019 at 01:21:45PM +0200, w...@mailbox.org wrote:
> > > Hello list, 
> > > I'm trying to setup sssd to access automounter rules stored on an AD 
> > > (samba 4.7.6).
> > > I followed the instructions on this site, however it doesn't work for me.
> > > https://ovalousek.wordpress.com/2015/08/03/autofs/
> > > In the sssd_logfile I see, that the "auto.master" map is found by sssd  
> > > within the ldap search path. 
> > > However, the reference to the auto.home and the corresponding user mounts 
> > > does not seem to be found. 
> > > 
> > > Using sssd to authenticate against Active Directory works well.
> > > 
> > > Any ideas what's going wrong here? Thanks for looking in this issue!
> > 
> > Normally when I debug automounter issues, I used to run automount -m on
> > the foreground in one terminal and try to correlate those with the sssd
> > logs tailing in another terminal.
> > 
> > Can you paste those?
> 
> Thanks, for your advice!
> I stopped the automounter daemon and run the automounter in the foreground: 
> 
> root@fs1:~# automount -f -v
> Starting automounter version 5.1.2, master map /etc/auto.master
> using kernel protocol version 5.02
> no mounts in table
> 
> After that, I restart the sssd daemon and dump the automounter maps in 
> another terminal:
>   
> root@fs1:~# automount -m
> 
> autofs dump map information
> ===========================
> 
> global options: none configured
> no master map entries found
> 
> 
> However the automounter still gives no further output. 
> After that, I moved the empty /etc/auto.master away and restart the 
> automounter in the foreground: 
>   
> root@fs1:~# automount -f -v
> Starting automounter version 5.1.2, master map /etc/auto.master
> using kernel protocol version 5.02
> lookup(file): file map /etc/auto.master missing or not readable no mounts in 
> table
> 
> No additional output from the automounter after restarting sssd.
> In the logs of the sssd at startup I found the following:
>   
> ...
> (Fri Sep 27 08:13:46 2019) [sssd[be[info.privat]]] [dp_get_options] (0x0400): 
> Option ldap_autofs_search_base has value ou=automount,dc=informatik,dc=privat
> ...
> (Fri Sep 27 08:13:46 2019) [sssd[be[info.privat]]] [dp_get_options] (0x0400): 
> Option ldap_autofs_map_master_name has value auto.master
> ...
> 
> Why is the automounter not looking for the maps from the sssd daemon? I 
> think, that the automounter doesn't communicate with the sssd daemon for 
> automounter maps, although the nsswitch.conf looks like this:
> 
> ...
> automount:         files sss
> ...
> 
> 
> Do I miss something or how can I narrow down the problem?

Is the autofs responder of sssd running?

Is libsss_autofs installed?

If you strace automount, can you see it contacting the sssd socket?
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