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From Andrei Mikhailovsky <>
Subject Re: Docker Support?
Date Mon, 09 Feb 2015 13:22:01 GMT

Not sure if anyone has done some more testing with CoreOS. I am currently doing a PoC and
having some issues with building the cluster. 

The template itself is working okay and the user supplied ssh keys are properly registered
with the instance. However, the etcd cluster is not forming properly. The instances can see
each other and there is no fw to block the requests. 

I am using addr and peer-addr settings in the config-cloud.xml in the following manner: the
first instance will have addr and peer-addr to the same IP - 10.0.1.x:4001 and 10.0.1.x:7001.
The remaining instances will have the same addr value, but the peer-addr reflects the instance's
internal ip address. 

Upon starting the instances, i can see that all hosts join the cluster - journalctl -u etcd
-f tell me that the instances join the cluster. However, I am unable to do anything with the
cluster. For instance, when I try to query the machines, it times out: 

etcdctl --debug=true ls /_etcd/machines --recursive 

Curl-Example: curl -X GET

Perhaps someone can tell me what I am missing? 


----- Original Message -----

> From: "Phillip Kent" <>
> To: "<>" <>
> Sent: Thursday, 5 February, 2015 11:07:14 PM
> Subject: Re: Docker Support?

> Thanks all for this useful thread.

> I can confirm that a CoreOS template runs fine on an ESXi hypervisor
> in CloudStack 4.3.1. The type is set to "Other (64-bit)". I didn't
> set
> up the template so I don't know about relative performance with other
> type settings.

> Regarding CoreOS, does anyone know what port(s) are required for
> CoreOS to do auto-updating?

> Obviously I can set an egress rule to allow all ports but I might
> want
> to be more restrictive.

> -Phillip

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