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https://issues.apache.org/jira/browse/MESOS-6517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15842621#comment-15842621
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Alexander Rukletsov commented on MESOS-6517:
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My suggestion would be to leave things as is for now and keep this ticket open.
When and if there will be specific use cases reported where health checking on
localhost is not enough (which we should capture in this ticket), we can think
about a solution. Until then I'm reluctant to introduce changes now.
> Health checking only on 127.0.0.1 is limiting.
> ----------------------------------------------
>
> Key: MESOS-6517
> URL: https://issues.apache.org/jira/browse/MESOS-6517
> Project: Mesos
> Issue Type: Improvement
> Reporter: Alexander Rukletsov
> Labels: health-check, mesosphere
>
> As of Mesos 1.1.0, HTTP and TCP health checks always use 127.0.0.1 as the
> target IP. This is not configurable. As a result, tasks should listen on all
> interfaces if they want to support HTTP and TCP health checks. However, there
> might be some cases where tasks or containers will end up binding to a
> specific IP address.
> To make health checking more robust we can:
> * look at all interfaces in a given network namespace and do health check on
> all the IP addresses;
> * allow users to specify the IP to health check;
> * deduce the target IP from task's discovery information.
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