on more point: You need 3 masters for HA, unless you are running etcd
externally.


On 14 December 2016 at 18:25, Igor Katson <[email protected]> wrote:

> Hi, Pri, here's how the setup works for us in prod:
>
>
>    - the master ELB MUST be configured to do TCP balancing on port 443.
>    Not HTTPS. You need to do TCP, because the masters do TLS termination and
>    SNI by themselves.
>    - the "openshift_master_cluster_hostname" variable is set to the name
>    of the ELB. Actually, in our setup it is an extra DNS record which is a
>    CNAME to the ELB, so that we can change the ELB if needed. E.g.
>    "internal.openshift.youdomain" that is a CNAME to the ELB.
>    - the "openshift_master_cluster_public_hostname" is set to the
>    publicly-visible DNS name, that also points to this ELB. E.g.
>    "openshift.yourdomain", where you can get valid SSL certs issued.
>
>  In case you have a public SSL cert, you may put smth like this into
> inventory (make sure it's a valid json string):
>       "openshift_master_named_certificates": [
>         {
>           "certfile": "your-cert-file-on-ansible-machine",  // this may
> include intermediate certs bundled
>           "keyfile": "your-key-file-on-ansible-machine"
>         }
>       ],
>
> On Wed, Dec 14, 2016 at 7:07 AM, Pri <[email protected]> wrote:
>
>> Hi,
>>
>> I am setting openshift HA cluster with 2 masters and 2 nodes on AWS. I
>> want my masters to be backed by Elastic load balancer. But it doesnt work
>> when I give "openshift_master_cluster_hostname=<myELB>" as ELB hostname
>> in ansible. So I tried giving one of the masters hostnames here which
>> worked fine. After that I configured ELB on AWS and added 2 master
>> instances. Now the problem is whenever I access openshift console using ELB
>> hostname it just redirects me to master IP address which is not what we
>> want, hostname on browser should always be consistent.
>>
>> Also I am not very sure which SSL certificate to configure on ELB when it
>> listens of HTTPS port 443 for console access.
>>
>>
>> Could you please help me with this?
>>
>> Thanks a lot for help
>>
>> Thanks,
>> Priya
>>
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>>
>>
>
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