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From Khalid Goudeaux <khalid.goude...@imc-chicago.com>
Subject Re: mesos in a docker container
Date Sat, 09 Nov 2013 00:00:54 GMT
Yes, it uses NAT to go from the public ip/port to a private ip/port.


On Fri, Nov 8, 2013 at 5:36 PM, Vinod Kone <vinodkone@gmail.com> wrote:

>  I see. So does docker handle the routing if the master binds to a
> container private port but frameworks/slaves try to connect with its public
> ip?
>
>
> On Fri, Nov 8, 2013 at 2:25 PM, Khalid Goudeaux <
> khalid.goudeaux@imc-chicago.com> wrote:
>
>> From inside a container, the master will see an ip and publish this to
>> zookeeper. That ip, however, is only accessible from within the machine
>> with the container. No other machine on the network can access it.
>>
>>  I can use the --ip option, but from within the container I can't bind
>> to the ip of the host system (nor do I want to as the container isolation
>> is useful). Essentially the master is registering itself in Zookeeper but
>> doesn't authoritatively know where it is.
>>
>>
>>
>>
>>  On Fri, Nov 8, 2013 at 3:36 PM, Vinod Kone <vinodkone@gmail.com> wrote:
>>
>>>   Not sure I understand your question. From the last sentence it looks
>>> like you already know about the "--ip" flag that could be passed to the
>>> master. Are you looking for something else?
>>>
>>>
>>> On Fri, Nov 8, 2013 at 1:28 PM, Khalid Goudeaux <
>>> khalid.goudeaux@imc-chicago.com> wrote:
>>>
>>>>  Is it possible to control the ip that the mesos-master publishes to
>>>> zookeeper for election/discovery? When running inside a docker container
>>>> the hostname and ip that the master sees may not be the host/ip that it's
>>>> externally accessible from.
>>>>
>>>>  Also, inside a container the master would bind to and publish
>>>> 127.0.0.1 by default instead of the container ip as expected. Switching to
>>>> 0.0.0.0 had no effect. Only by explicitly specifying the container ip would
>>>> it bind and publish a usable ip.
>>>>
>>>>  Thanks,
>>>>   Khalid
>>>>
>>>
>>>
>>>   ------------------------------
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>>
>
> ------------------------------
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