On Fri, May 22, 2015 at 3:14 PM, Martin Basti <mba...@redhat.com> wrote:
> On 22/05/15 18:05, Johnny Tan wrote: > > Our servers run CentOS-6.6 and ipa-server-3.0.0-42.el6.centos.x86_64 > > Our CentOS clients (also 6.6) join the domain seamlessly. > > Our Ubuntu 14.04 LTS clients, however, don't seem to be able to > auto-discover domain, realm, or IPA servers: > ``` > dpkg -l | grep freeipa > ii freeipa-client 3.3.4-0ubuntu3.1 > amd64 FreeIPA centralized identity framework -- client > > /usr/sbin/ipa-client-install --mkhomedir --no-ntp --no-sudo --unattended > --hostname testing-ubuntu001.pp --principal admin --password xx --debug > /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} > missing options might be asked for interactively later > Loading Index file from '/var/lib/ipa-client/sysrestore/sysrestore.index' > Loading StateFile from '/var/lib/ipa-client/sysrestore/sysrestore.state' > [IPA Discovery] > Starting IPA discovery with domain=None, servers=None, > hostname=testing-ubuntu001.pp > Start searching for LDAP SRV record in "pp" (domain of the hostname) and > its sub-domains > Search DNS for SRV record of _ldap._tcp.pp > DNS record not found: EmptyLabel > Start searching for LDAP SRV record in ".pp" (search domain from > /etc/resolv.conf) and its sub-domains > Search DNS for SRV record of _ldap._tcp..pp > DNS record not found: EmptyLabel > Already searched pp; skipping > No LDAP server found > No LDAP server found > Unable to discover domain, not provided on command line > Installation failed. Rolling back changes. > IPA client is not configured on this system. > ``` > > Yet on the same client: > ``` > root@testing-ubuntu001:~# dig srv _ldap._tcp.pp +short > 0 100 389 production-ipa003.pp. > 0 100 389 production-ipa001.pp. > 0 100 389 production-ipa002.pp. > ``` > > Why can't ipa-client-install discover those SRV records? > > johnny > > > Hello, > > this is weird, "DNS record not found: EmptyLabel", this error returns > python-dns when empty label is used in domain name. > > And here is empty label -> _ldap._tcp..pp (two dots). > > But that doubled dot is not on line above and the error is the same, > interesting. > Aha! It seems our configuration management system is populating `search` in /etc/resolv.conf with ".pp" rather than "pp". If I manually change that, it now works! Thank you.
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