[infinispan-dev] Exposing cluster deployed in the cloud

[Gustavo Fernandes]

Questions inlined:

On Mon, May 8, 2017 at 8:57 AM, Sebastian Laskawiec <slaskawi at redhat.com>
wrote:

> Hey guys!
>
> A while ago I started working on exposing Infinispan Cluster which is
> hosted in Kubernetes to the outside world:
>


What about SNI, wasn't this scenario the reason why it was implemented, IOW
to allow HR clients to access an ispn hosted in the cloud?



>
> [image: pasted1]
>
> I'm currently struggling to get solution like this into the platform [1]
> but in the meantime I created a very simple POC and I'm testing it locally
> [2].
>

What does "application" mean in the diagram? Are those different pods, or
single containers part of a pod?

There isn't much doc available at [2], how does it work?


>
> There are two main problems with the scenario described above:
>
>    1. Infinispan server announces internal addresses (172.17.x.x) to the
>    client. The client needs to remap them into external ones (172.29.x.x).
>
>
How would the external address be allocated, e.g. during scaling up and
down and how the HR client would know how to map them correctly?


>
>    1. A custom Consistent Hash needs to be supplied to the Hot Rod
>    client. When accessing cache, the Hot Rod Client needs to calculate server
>    id for internal address and then map it to the external one.
>
> If there will be no strong opinions regarding to this, I plan to implement
> this shortly. There will be additional method in Hot Rod Client
> configuration (ConfigurationBuilder#addServerMapping(String
> mappingClass)) which will be responsible for mapping external addresses to
> internal and vice-versa.
>
> Thoughts?
>
> Thanks,
> Sebastian
>
> [1] https://github.com/kubernetes/community/pull/446
> [2] https://github.com/slaskawi/external-ip-proxy
>
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