docker hype and juju's future

[rhanna at informatiq.org]

On Fri, Nov 22, 2013 at 4:19 PM, Serge E. Hallyn <serge at hallyn.com> 
wrote:
> Quoting rhanna at informatiq.org (rhanna at informatiq.org):
>>  
>>  
>>  On Thu, Nov 21, 2013 at 9:28 PM, Serge E. Hallyn <serge at hallyn.com>
>>  wrote:
>>  >Quoting Ramez Hanna (rhanna at informatiq.org):
>>  >> Hi,
>>  >>   this is a quick braindump of my thoughts related to docker
>>  >>lxc and juju
>>  >>   There is quite hype around docker these days, which I am not
>>  >>grasping yet
>>  >> docker gives tools to create an "image" of a service (basically
>>  >>an os tree
>>  >> with a specific service installed) and deploy it to any docker
>>  >>server
>>  >> ensuring it will run exactly the same way everywhere !!!
>>  >> I am not so fond of the "image" concept in general as it
>>  >>introduces so many
>>  >> complexities for maintenance (maybe i am wrong but i cannot
>>  >>stop thinking
>>  >> about running maintenance as opposed to the throw away instances)
>>  >>   so in short golden image is not good, containerization is
>>  >>really nice
>>  >> concept (I have been a user and a fan of lxc for long)
>>  >>   now what about juju, i beleive juju is the real answer,
>>  >>whether we talk
>>  >> throw away instances or rolling instances
>>  >> juju does build the service every time you deploy it, with
>>  >>integration of
>>  >> tools like the puppet or ansible, it gains so much flexibility
>>  >>
>>  >That's an interesting point.  So the analogy to an incremental 
>> docker
>>  >image would be a git-versioned juju-deployer file.
>>  >
>>  >Which kind of fits in to how I've thought juju and docker relate.  
>> You
>>  >might first want to use docker or lxc-snapshot to practice the 
>> steps
>>  >for setting up an image.  Once you have those steps down, you can
>>  >codify
>>  >them in your charms and juju-deployer file.  If anything goes
>>  >wrong you
>>  >can deploy and compare the result to the snaphotted container or
>>  >docker
>>  >image.
>>  >
>>  >-serge
>>  >
>>  Hi Serge
>>  
>>  could you clarify a bit what you meant my understanding is using
>>  lxc-snapshot to iterate fast on creating the charm
>>  and when ready deploy the charm to infra
>> 
> Hi,
> 
> did your message get cut off?
> 
no that was all
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