[Freeipa-users] FreeIPA 4.3.0 Replica Installation fails with the hostname is not the primary hostname

[Petr Spacek]

On 18.1.2016 04:23, Nathan Peters wrote:
> 2016-01-18T03:00:07Z DEBUG Check if dc2-ipa-dev-van.mydomain.net is a primary hostname for localhost
> 2016-01-18T03:00:07Z DEBUG Primary hostname for localhost: dc2-ipa-dev-van.mydomain.net
> 2016-01-18T03:00:07Z DEBUG Search DNS for dc2-ipa-dev-van.mydomain.net
> 2016-01-18T03:00:07Z DEBUG Check if dc2-ipa-dev-van.mydomain.net is not a CNAME
> 2016-01-18T03:00:07Z DEBUG Check reverse address of 10.21.0.98
> 2016-01-18T03:00:07Z DEBUG Found reverse name: dc2-ipa-dev-van.mydomain.net
> 2016-01-18T03:00:07Z DEBUG Check if dc1-ipa-dev-nvan.mydomain.net is a primary hostname for localhost
> ------> This line here is strange ----> 2016-01-18T03:00:07Z DEBUG Primary hostname for localhost: dc1-ipa-dev-nvan.mydomain.net.mydomain.net
> 2016-01-18T03:00:07Z DEBUG   File "/usr/lib/python2.7/site-packages/ipapython/admintool.py", line 171, in execute
>     return_value = self.run()
>   File "/usr/lib/python2.7/site-packages/ipapython/install/cli.py", line 318, in run
>     cfgr.run()
>   File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 308, in run
>     self.validate()
>   File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 317, in validate
>     for nothing in self._validator():
>   File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 372, in __runner
>     self._handle_exception(exc_info)
>   File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 394, in _handle_exception
>     six.reraise(*exc_info)
>   File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 362, in __runner
>     step()
>   File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 359, in <lambda>
>     step = lambda: next(self.__gen)
>   File "/usr/lib/python2.7/site-packages/ipapython/install/util.py", line 81, in run_generator_with_yield_from
>     six.reraise(*exc_info)
>   File "/usr/lib/python2.7/site-packages/ipapython/install/util.py", line 59, in run_generator_with_yield_from
>     value = gen.send(prev_value)
>  File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 549, in _configure
>     next(validator)
>   File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 372, in __runner
>     self._handle_exception(exc_info)
>   File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 449, in _handle_exception
>     self.__parent._handle_exception(exc_info)
>   File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 394, in _handle_exception
>     six.reraise(*exc_info)
>   File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 446, in _handle_exception
>     super(ComponentBase, self)._handle_exception(exc_info)
>   File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 394, in _handle_exception
>     six.reraise(*exc_info)
>   File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 362, in __runner
>     step()
>   File "/usr/lib/python2.7/site-packages/ipapython/install/core.py", line 359, in <lambda>
>     step = lambda: next(self.__gen)
>   File "/usr/lib/python2.7/site-packages/ipapython/install/util.py", line 81, in run_generator_with_yield_from
>     six.reraise(*exc_info)
>   File "/usr/lib/python2.7/site-packages/ipapython/install/util.py", line 59, in run_generator_with_yield_from
>     value = gen.send(prev_value)
>   File "/usr/lib/python2.7/site-packages/ipapython/install/common.py", line 63, in _install
>     for nothing in self._installer(self.parent):
>   File "/usr/lib/python2.7/site-packages/ipaserver/install/server/replicainstall.py", line 1551, in main
>     promote_check(self)
>   File "/usr/lib/python2.7/site-packages/ipaserver/install/server/replicainstall.py", line 372, in decorated
>     func(installer)
>   File "/usr/lib/python2.7/site-packages/ipaserver/install/server/replicainstall.py", line 394, in decorated
>     func(installer)
>   File "/usr/lib/python2.7/site-packages/ipaserver/install/server/replicainstall.py", line 980, in promote_check
>     installutils.verify_fqdn(config.master_host_name, options.no_host_dns)
>   File "/usr/lib/python2.7/site-packages/ipaserver/install/installutils.py", line 168, in verify_fqdn
>     "Please check /etc/hosts or DNS name resolution" % (host_name, ex_name[0]))
> 
> 2016-01-18T03:00:07Z DEBUG The ipa-replica-install command failed, exception: HostLookupError: The host name dc1-ipa-dev-nvan.mydomain.net does not match the primary host name dc1-ipa-dev-nvan.mydomain.net.mydomain.net. Please check /etc/hosts or DNS name resolution
> 2016-01-18T03:00:07Z ERROR The host name dc1-ipa-dev-nvan.mydomain.net does not match the primary host name dc1-ipa-dev-nvan.mydomain.net.mydomain.net. Please check /etc/hosts or DNS name resolution
> 2016-01-18T03:00:07Z ERROR The ipa-replica-install command failed. See /var/log/ipareplica-install.log for more information
> 
> So 3 questions :
> 1)Why does it first check if my hostname is ok, and then check if my hostname matches this other host, and why is it referring to the other remote host as localhost ?
> 2)Where in the world is it getting the idea that the primary hostname for my host is actually the primary hostname for the other host in a strange format with the domain name on the end twice ?
> 3)are there any workarounds for this?  It seems rather buggy.  I have triple checked hostnames on both hosts referenced in that log entry
> 
> Here is the output that proves that my hostname is fine and not ending with a double domain
> 
> [root at dc2-ipa-dev-van ~]# cat /etc/hosts
> 127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
> ::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
> 10.21.0.98      dc2-ipa-dev-van.mydomain.net
> [root at dc2-ipa-dev-van ~]# cat /etc/hostname
> dc2-ipa-dev-van.mydomain.net
> [root at dc2-ipa-dev-van ~]# hostname
> dc2-ipa-dev-van.mydomain.net
> 
> and on the other host :
> 
> [root at dc1-ipa-dev-nvan ~]# hostname
> dc1-ipa-dev-nvan.mydomain.net
> [root at dc1-ipa-dev-nvan ~]# cat /etc/hostname
> dc1-ipa-dev-nvan.mydomain.net
> [root at dc1-ipa-dev-nvan ~]# cat /etc/hosts
> 127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
> ::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
> 10.178.0.99 dc1-ipa-dev-nvan.mydomain.net
> [root at dc1-ipa-dev-nvan ~]#

Interesting ...

Please send us information mentioned on page
http://www.freeipa.org/page/Troubleshooting#Reporting_bugs

+ content of /etc/resolv.conf on the affected machine
+ /var/log/ipareplica-install.log

Thank you.

-- 
Petr^2 Spacek