[Freeipa-users] ipa-client install error

[Martin Kosek]

On Wed, 2012-05-02 at 09:44 -0400, Rob Crittenden wrote:
> Steven Jones wrote:
> > So this opens a chicken and egg?
> >
> > ie when RHEL6.3 comes out and I upgrade the IPA server(s) to 6.3 all the older 6.2 clients will break?  but I cant upgrade the clients until after the servers are done....if so that is a huge and ugly looking task that is one way....
> 
> No, that's not the problem at all. Enrolled clients will work as 
> expected. New 6.3 clients can enroll with a 6.3 server. Based on the log 
> it looks like a 6.3 client can't enroll with a 6.2 server but I'm still 
> investigating. We'll fix it if needed.
> 
> rob

I just sent a patch for this issue to freeipa-devel list. The problem
was in the TGT forwarding as mentioned earlier in this thread. The
patched client can now join an older IPA server. But ipa command still
won't work properly as its API is higher that the server's.

Martin


> 
> >
> > regards
> >
> > Steven Jones
> >
> > Technical Specialist - Linux RHCE
> >
> > Victoria University, Wellington, NZ
> >
> > 0064 4 463 6272
> >
> > ________________________________________
> > From: Rob Crittenden [rcritten at redhat.com]
> > Sent: Wednesday, 2 May 2012 1:19 a.m.
> > To: Steven Jones
> > Cc: freeipa-users at redhat.com
> > Subject: Re: [Freeipa-users] ipa-client install error
> >
> > Steven Jones wrote:
> >> I made a slight oops, I just upgraded a long un-used vm on my desktop from 6.2beta to 6.3beta instead of 6.2 by mistake. Anyway  since our satellite is down I cant correct this so I tried to add the 6.3beta client to IPA on 6.2 and I get an error.
> >>
> >> ==============
> >> [root at rhel664ws01 ~]# ipa-client-install --mkhomedir
> >> Discovery was successful!
> >> Hostname: rhel664ws01.ods.vuw.ac.nz
> >> Realm: ODS.VUW.AC.NZ
> >> DNS Domain: ods.vuw.ac.nz
> >> IPA Server: vuwunicoipam002.ods.vuw.ac.nz
> >> BaseDN: dc=ods,dc=vuw,dc=ac,dc=nz
> >>
> >>
> >> Continue to configure the system with these values? [no]: yes
> >> User authorized to enroll computers: admjonesst1
> >> Synchronizing time with KDC...
> >> Unable to sync time with IPA NTP server, assuming the time is in sync.
> >> Password for admjonesst1 at ODS.VUW.AC.NZ:
> >>
> >> Enrolled in IPA realm ODS.VUW.AC.NZ
> >> Created /etc/ipa/default.conf
> >> Unable to activate the SSH service in SSSD config.
> >> Please make sure you have SSSD built with SSH support installed.
> >> Configure SSH support manually in /etc/sssd/sssd.conf.
> >> Configured /etc/sssd/sssd.conf
> >> Configured /etc/krb5.conf for IPA realm ODS.VUW.AC.NZ
> >> Traceback (most recent call last):
> >>     File "/usr/sbin/ipa-client-install", line 1534, in<module>
> >>       sys.exit(main())
> >>     File "/usr/sbin/ipa-client-install", line 1521, in main
> >>       rval = install(options, env, fstore, statestore)
> >>     File "/usr/sbin/ipa-client-install", line 1358, in install
> >>       api.Backend.xmlclient.connect()
> >>     File "/usr/lib/python2.6/site-packages/ipalib/backend.py", line 63, in connect
> >>       conn = self.create_connection(*args, **kw)
> >>     File "/usr/lib/python2.6/site-packages/ipalib/rpc.py", line 410, in create_connection
> >>       raise errors.KerberosError(major=str(krberr), minor='')
> >> ipalib.errors.KerberosError: Kerberos error: did not receive Kerberos credentials/
> >> [root at rhel664ws01 ~]#
> >> ===========
> >>
> >> Is this expected when trying to connect 6.3beta? ie its simply not compatible?
> >>
> >
> > The newer 2.2 client cannot connect to an older 2.1 server because it
> > isn't going to send the TGT that the 2.1 server requires. We should
> > handle this better, I've opened a ticket to track this:
> > https://fedorahosted.org/freeipa/ticket/2697
> >
> > rob
> >
> 
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