Answers inline

On Wed, 10 Oct 2018 at 12:08 am, David Conde <[email protected]> wrote:

> We have upgraded from the 3.6 reference architecture to the 3.9 aws
> playbooks in openshift-ansible. There was quite a bit of work in getting
> nodes ported into the scaling groups. We have upgraded our masters to 3.9
> with the BYO playbooks but have not ported them to use scaling groups yet.
>

Oh wow, I figured we’d have to blow away the cluster to get the scaling
groups. Was most of the work on the masters? Because I presume you just
deleted the 3.6 nodes and recreated them in the scaling group?



> We'll be sticking with the aws openshift-ansible playbooks in the future
> over the reference architecture so that we can upgrade easily.
>

We came to that conclusion too, it seems like it’ll be more likely to be
supported for longer.


> On Tue, Oct 9, 2018 at 1:29 PM Joel Pearson <[email protected]>
> wrote:
>
>> There is cloud formation templates as part of the 3.6 reference
>> architecture. But that is now deprecated. I’m using that template at a
>> client site and it worked fine (I’ve adapted it to work with 3.9 by using a
>> static inventory as we didn’t want to revisit our architecture from
>> scratch). We did customise it a fair bit though.
>>
>>
>> https://github.com/openshift/openshift-ansible-contrib/blob/master/reference-architecture/aws-ansible/README.md
>>
>> Here is an example of a jinja template that outputs a cloud formation
>> template.
>>
>> However, you can’t use the playbook as is for 3.9/3.10 because
>> openshift-ansible has breaking changes to the playbooks.
>>
>> For some reason the new playbooks for 3.9/3.10 don’t use cloud formation,
>> but rather use the amazon ansible plugins instead and directly interact
>> with AWS resources:
>>
>>
>> https://github.com/openshift/openshift-ansible/blob/master/playbooks/aws/README.md
>>
>> That new approach is pretty interesting though as it uses prebuilt AMIs
>> and auto-scaling groups, which make it very quick to add nodes.
>>
>> Hopefully some of that is useful to you.
>>
>> On Tue, 9 Oct 2018 at 9:42 pm, Peter Heitman <[email protected]> wrote:
>>
>>> Thank you for the reminder and the pointer. I know of that document but
>>> was too focused on searching for a CloudFormation template. I'll go back to
>>> the reference architecture which I'm sure will answer at least some of my
>>> questions.
>>>
>>> On Sun, Oct 7, 2018 at 4:24 PM Joel Pearson <
>>> [email protected]> wrote:
>>>
>>>> Have you seen the AWS reference architecture?
>>>> https://access.redhat.com/documentation/en-us/reference_architectures/2018/html/deploying_and_managing_openshift_3.9_on_amazon_web_services/index#
>>>> On Tue, 2 Oct 2018 at 3:11 am, Peter Heitman <[email protected]> wrote:
>>>>
>>>>> I've created a CloudFormation Stack for simple lab-test deployments of
>>>>> OpenShift Origin on AWS. Now I'd like to understand what would be best for
>>>>> production deployments of OpenShift Origin on AWS. In particular I'd like
>>>>> to create the corresponding CloudFormation Stack.
>>>>>
>>>>> I've seen the Install Guide page on Configuring for AWS and I've
>>>>> looked through the RedHat QuickStart Guide for OpenShift Enterprise but am
>>>>> still missing information. For example, the RedHat QuickStart Guide 
>>>>> creates
>>>>> 3 masters, 3 etcd servers and some number of compute nodes. Where are the
>>>>> routers (infra nodes) located? On the masters or on the etcd servers? How
>>>>> are the ELBs configured to work with those deployed routers? What if some
>>>>> of the traffic you are routing is not http/https? What is required to
>>>>> support that?
>>>>>
>>>>> I've seen the simple CloudFormation stack (
>>>>> https://sysdig.com/blog/deploy-openshift-aws/) but haven't found
>>>>> anything comparable for something that is closer to production ready (and
>>>>> likely takes advantage of using the AWS VPC QuickStart (
>>>>> https://aws.amazon.com/quickstart/architecture/vpc/).
>>>>>
>>>>> Does anyone have any prior work that they could share or point me to?
>>>>>
>>>>> Thanks in advance,
>>>>>
>>>>> Peter Heitman
>>>>>
>>>>> _______________________________________________
>>>>> users mailing list
>>>>> [email protected]
>>>>> http://lists.openshift.redhat.com/openshiftmm/listinfo/users
>>>>>
>>>> _______________________________________________
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>
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