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Re: Can't push to registry after ansible install



This is what my /etc/resolv.conf looks like:

# nameserver updated by /etc/NetworkManager/dispatcher.d/99-origin-dns.sh
# Generated by NetworkManager
search localdomain cluster.local
nameserver 10.0.0.245
That was with EC2. However, on Scaleway the line starting with search was missing.
I believe the same installation approach was used on both.

Both have the same problem pushing to the docker registry.


On 22/08/2017 16:29, Scott Dodson wrote:
Yeah, we set OPENSHIFT_DEFAULT_REGISTRY=docker-registry.default.svc:5000 in /etc/sysconfig/origin-master you can remove that and restart the master and it will revert back to pushing via the service IP.

However the installer will deploy certificates, secure the registry, and should be adding 'cluster.local' to /etc/resolv.conf so this should all be seamless.

On Tue, Aug 22, 2017 at 11:24 AM, Cesar Wong <cewong redhat com> wrote:
I saw the same thing on a new cluster. I resolved it manually by:

1) adding ‘search cluster.local’ to the node’s /etc/resolv.conf
2) adding docker-registry.default.svc and docker-registry.default.svc.cluster.local to the docker daemon’s insecure registries

then stopped the node service, restarted docker and started the node service

Maybe #2 is unnecessary once you add the search directive to resolv.conf, but didn’t try.

Scott, it seems the default is now to use the registry host name instead of the numeric service IP. Is there a variable that controls that?

> On Aug 22, 2017, at 7:17 AM, Tim Dudgeon <tdudgeon ml gmail com> wrote:
>
> Hi All,
>
> I'm having problems with the ansible installer.
> I've created a very simple 1 node cluster using an inventory file like this:
>
>> OSEv3:children]
>> masters
>> nodes
>>
>> [OSEv3:vars]
>> ansible_ssh_user=root
>> openshift_deployment_type=origin
>> openshift_disable_check=docker_storage,memory_availability
>> openshift_hostname=MASTER_PRIVATE_FQDN
>> openshift_master_cluster_hostname=MASTER_PRIVATE_FQDN
>> openshift_master_cluster_public_hostname=MASTER_PUBLIC_FQDN
>> openshift_master_identity_providers=[{'name': 'htpasswd_auth', 'login': 'true', 'challenge': 'true', 'kind': 'HTPasswdPasswordIdentityProvider', 'filename': '/etc/origin/master/users.htpasswd'}]
>>
>> [masters]
>> MASTER_PRIVATE_FQDN ansible_connection=local
>> [etcd]
>> MASTER_PRIVATE_FQDN ansible_connection=local
>>
>> [nodes]
>> MASTER_PRIVATE_FQDN openshift_node_labels="{'region': 'infra'}" openshift_schedulable=true ansible_connection=local
>
>
> The installer seems to run OK and the web console is accessible, but when I try to do a build it fails as it can't push to the docker repo. The end of the log file shows this:
>
>> Pushing image docker-registry.default.svc:5000/simple/nodejs-ex:latest ...
>> Registry server Address:
>> Registry server User Name: serviceaccount
>> Registry server Email: serviceaccount example org
>> Registry server Password: <<non-empty>>
>> error: build error: Failed to push image: Get https://docker-registry.default.svc:5000/v1/_ping: dial tcp: lookup docker-registry.default.svc on 10.1.162.87:53: no such host
>
> 'oc get all' shows this:
>
>> NAME                  DOCKER REPO                                                 TAGS UPDATED
>> is/registry-console docker-registry.default.svc:5000/default/registry-console latest    22 minutes ago
>>
>> NAME                  REVISION   DESIRED   CURRENT   TRIGGERED BY
>> dc/docker-registry    1          1         1         config
>> dc/registry-console   1          1         1         config
>> dc/router             1          1         1         config
>>
>> NAME                    DESIRED   CURRENT   READY     AGE
>> rc/docker-registry-1    1         1         1         23m
>> rc/registry-console-1   1         1         1         22m
>> rc/router-1             1         1         1         25m
>>
>> NAME HOST/PORT PATH      SERVICES           PORT      TERMINATION   WILDCARD
>> routes/docker-registry docker-registry-default.router.default.svc.cluster.local docker-registry    <all>     passthrough   None
>> routes/registry-console registry-console-default.router.default.svc.cluster.local registry-console   <all>     passthrough   None
>>
>> NAME                   CLUSTER-IP       EXTERNAL-IP PORT(S)                   AGE
>> svc/docker-registry    172.30.157.134   <none> 5000/TCP                  23m
>> svc/kubernetes         172.30.0.1       <none> 443/TCP,53/UDP,53/TCP     31m
>> svc/registry-console   172.30.175.45    <none> 9000/TCP                  22m
>> svc/router             172.30.208.164   <none> 80/TCP,443/TCP,1936/TCP   25m
>>
>> NAME                          READY     STATUS    RESTARTS   AGE
>> po/docker-registry-1-wps11    1/1       Running   0          23m
>> po/registry-console-1-d8ss8   1/1       Running   0          22m
>> po/router-1-3p2nn             1/1       Running   0          24m
>
> Any ideas what is wrong?
>
> Tim
>
>
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