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Posted to issues@ignite.apache.org by "Ryan Samo (JIRA)" <ji...@apache.org> on 2018/03/20 20:52:00 UTC
[jira] [Commented] (IGNITE-4161) Discovery SPI for nodes that will
connect to Ignite Kubernetes cluster from outside
[ https://issues.apache.org/jira/browse/IGNITE-4161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16407024#comment-16407024 ]
Ryan Samo commented on IGNITE-4161:
-----------------------------------
This would be very useful, allowing multiple scale-able Ignite clusters to run on the same bare metal cluster separated by Kubernetes namespaces. One issue is that hostNetwork=true would only allow for a single Ignite cluster to exist as it would consume the required ports Ignite ports on the host itself, thereby not allowing for 1:N clusters within the same Kubernetes deployment.
> Discovery SPI for nodes that will connect to Ignite Kubernetes cluster from outside
> -----------------------------------------------------------------------------------
>
> Key: IGNITE-4161
> URL: https://issues.apache.org/jira/browse/IGNITE-4161
> Project: Ignite
> Issue Type: Sub-task
> Components: general
> Affects Versions: 2.0
> Reporter: Denis Magda
> Priority: Major
>
> Ignite cluster can be considered as a set of Kubernetes pods of a similar type that are scaled across available hardware. To get access to the cluster from outside the one has to use Kubernetes Service that will expose a single public API address for the whole Ignite Cluster.
> Let's think over how an Ignite client can connect to the Ignite's Kubernetes cluster from outside, look up nodes and interact with them. As a result, most likely we will implement a special discovery SPI for such "outside" nodes that will connect to Kubernetes Service before the joining process.
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