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Re: DNS issue install OpenShift on OpenStack



Ok, my bad it looks like the https://github.com/openshift/openshift-ansible-contrib/blob/master/playbooks/provisioning/openstack/post-provision-openstack.yml playbook does what I’m after. I’ll run that and see what happens
On Tue, 10 Oct 2017 at 6:58 am, Joel Pearson <japearson agiledigital com au> wrote:
Hi,

Sorry, I think I didn’t explain it very well.

I’m trying to use the in-stack DNS servers, but it seems to just be using the google ones.

Yes the base domain is hosted by AWS but I haven’t created any records for “master-0.openshift.staging.agiledigital.co” as I don’t need that resolvable outside the cluster. I thought the in-stack DNS server would automatically create DNS records that work inside the cluster and that it would configure all the instances it created to use the in-stack DNS.

The “10.2.100.5” ip is created by the stack, so I can’t use that in the public_dns_nameservers variable, as it doesn’t exist at that point.

How is the in-stack DNS supposed to work? Maybe I’m misunderstanding its purpose?

Thanks,

Joel
On Tue, 10 Oct 2017 at 12:54 am, François VILLAIN <f villain linkbynet com> wrote:

Hello,

 

I see that your domain name is hosted by AWS. Maybe try to see if the domain is “public” or “private”, it seems private from what I can see (your entries do not resolve).
If it is private you should directly reference your DNS server in the “public_dns_nameservers” variable.

 

Good luck

 

De : <users-bounces lists openshift redhat com> au nom de Joel Pearson <japearson agiledigital com au>
Date : lundi 9 octobre
2017 à 14:54
À : "users lists openshift redhat com" <users lists openshift redhat com>
Objet : DNS issue install OpenShift on OpenStack

 

Hi, 

 

I'm trying to install openshift on openstack and I've been following https://github.com/openshift/openshift-ansible-contrib/tree/master/playbooks/provisioning/openstack I got past the openstack bit and now I'm installing openshift with “ansible-playbook openshift-ansible/playbooks/byo/config.yml” it got pretty far. 

 

Except it I got this error:

 

————

TASK [openshift_examples : Import Centos Image streams] *******************************************************************************************************************************

Monday 09 October 2017  12:30:17 +0000 (0:00:00.058)       0:05:10.675 ********

fatal: [master-0.openshift.staging.agiledigital.co]: FAILED! => {"changed": false, "cmd": ["oc", "create", "--config=/etc/origin/master/admin.kubeconfig", "-n", "openshift", "-f", "/usr/share/openshift/examples/image-streams/image-streams-centos7.json"], "delta": "0:00:00.309497", "end": "2017-10-09 12:30:18.114400", "failed": true, "failed_when_result": true, "rc": 1, "start": "2017-10-09 12:30:17.804903", "stderr": "Unable to connect to the server: dial tcp: lookup master-0.openshift.staging.agiledigital.co on 8.8.8.8:53: no such host", "stderr_lines": ["Unable to connect to the server: dial tcp: lookup master-0.openshift.staging.agiledigital.co on 8.8.8.8:53: no such host"], "stdout": "", "stdout_lines": []}

———-

 

I used the option of letting it install a DNS server in the openstack section, and I used this setting “public_dns_nameservers: [8.8.8.8,8.8.4.4]”, however it seems that it isn't using the dns server it installed, and hence internal DNS doesn't resolve.  

 

Is there a way to get the openstack-ansible playbooks to use the internal dns (which was created by “ansible-playbook openshift-ansible-contrib/playbooks/provisioning/openstack/provision.yaml”), which in my case is “10.2.100.5”? 

 

I figure I must have messed something up in the OpenStack provision section. But I don’t know what. 

 

Thanks,

 

Joel

--

Kind Regards,

 

Joel Pearson
Agile Digital | Senior Software Consultant

Love Your Software™ | ABN 98 106 361 273
p: 1300 858 277 | m: 0405 417 843 | w: 
agiledigital.com.au

--
Kind Regards,

Joel Pearson
Agile Digital | Senior Software Consultant

Love Your Software™ | ABN 98 106 361 273
p: 1300 858 277 | m: 0405 417 843 | w: agiledigital.com.au
--
Kind Regards,

Joel Pearson
Agile Digital | Senior Software Consultant

Love Your Software™ | ABN 98 106 361 273
p: 1300 858 277 | m: 0405 417 843 | w: agiledigital.com.au

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