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<div class="moz-cite-prefix">On 22/05/15 18:05, Johnny Tan wrote:<br>
</div>
<blockquote
cite="mid:CABMVzL0t9P0=pXXKOnaOv4EQu1cenC-CD3+N24R_QN2e3StF+w@mail.gmail.com"
type="cite">
<div dir="ltr">Our servers run CentOS-6.6 and
ipa-server-3.0.0-42.el6.centos.x86_64
<div><br>
</div>
<div>Our CentOS clients (also 6.6) join the domain seamlessly.</div>
<div><br>
</div>
<div>Our Ubuntu 14.04 LTS clients, however, don't seem to be
able to auto-discover domain, realm, or IPA servers:</div>
<div>
<div>```</div>
<div>dpkg -l | grep freeipa</div>
<div>ii freeipa-client 3.3.4-0ubuntu3.1
amd64 FreeIPA centralized
identity framework -- client</div>
</div>
<div><br>
</div>
<div>/usr/sbin/ipa-client-install --mkhomedir --no-ntp --no-sudo
--unattended --hostname testing-ubuntu001.pp --principal admin
--password xx --debug<br>
</div>
<div>
<div>/usr/sbin/ipa-client-install was invoked with options:
{'domain': None, 'force': False, 'krb5_offline_passwords':
True, 'primary': False, 'realm_name': None, 'force_ntpd':
False, 'create_sshfp': True, 'conf_sshd': True, 'conf_ntp':
False, 'on_master': False, 'ntp_server': None,
'ca_cert_file': None, 'principal': 'admin', 'keytab': None,
'hostname': 'testing-ubuntu001.pp', 'no_ac': False,
'unattended': True, 'sssd': True, 'trust_sshfp': False,
'dns_updates': False, 'mkhomedir': True, 'conf_ssh': True,
'force_join': False, 'server': None, 'prompt_password':
False, 'permit': False, 'debug': True, 'preserve_sssd':
False, 'uninstall': False}</div>
<div>missing options might be asked for interactively later</div>
<div>Loading Index file from
'/var/lib/ipa-client/sysrestore/sysrestore.index'</div>
<div>Loading StateFile from
'/var/lib/ipa-client/sysrestore/sysrestore.state'</div>
<div>[IPA Discovery]</div>
<div>Starting IPA discovery with domain=None, servers=None,
hostname=testing-ubuntu001.pp</div>
<div>Start searching for LDAP SRV record in "pp" (domain of
the hostname) and its sub-domains</div>
<div>Search DNS for SRV record of _ldap._tcp.pp</div>
<div>DNS record not found: EmptyLabel</div>
<div>Start searching for LDAP SRV record in ".pp" (search
domain from /etc/resolv.conf) and its sub-domains</div>
<div>Search DNS for SRV record of _ldap._tcp..pp</div>
<div>DNS record not found: EmptyLabel</div>
<div>Already searched pp; skipping</div>
<div>No LDAP server found</div>
<div>No LDAP server found</div>
<div>Unable to discover domain, not provided on command line</div>
<div>Installation failed. Rolling back changes.</div>
<div>IPA client is not configured on this system.</div>
</div>
<div>```</div>
<div><br>
</div>
<div>Yet on the same client:</div>
<div>```</div>
<div>
<div>root@testing-ubuntu001:~# dig srv _ldap._tcp.pp +short</div>
<div>0 100 389 production-ipa003.pp.</div>
<div>0 100 389 production-ipa001.pp.</div>
<div>0 100 389 production-ipa002.pp.</div>
</div>
<div>```</div>
<div><br>
</div>
<div>Why can't ipa-client-install discover those SRV records?</div>
<div><br>
</div>
<div>johnny</div>
</div>
<br>
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<br>
</blockquote>
Hello,<br>
<br>
this is weird, "DNS record not found: EmptyLabel", this error
returns python-dns when empty label is used in domain name.<br>
<br>
And here is empty label -> _ldap._tcp..pp (two dots).<br>
<br>
But that doubled dot is not on line above and the error is the same,
interesting.<br>
<br>
<pre class="moz-signature" cols="72">--
Martin Basti</pre>
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