multi model/cloud deploy (how to deploy kubernates-workers in multitenant openstack)

[Patrizio Bassi]

Dear Marco,

can you please share the example you mentioned, how to refer to another
model apps and so relations?

Thank you!
Patrizio

2017-06-16 16:27 GMT+02:00 Marco Ceppi <marco.ceppi at canonical.com>:

> I'd got one step further and say cross model relations are exactly what
> you're looking to do. I'd avoid using manual machine additions because it's
> really not a first class experience. In 2.2 cross model relations have
> matured quite a bit, there are still some limitations, but it might be
> worth trying.
>
> I'll try to reply in a bit with an example on AWS for cross model
> relations and Kubernetes.
>
> Marco
>
>
> On Fri, Jun 16, 2017 at 7:27 AM John Meinel <john at arbash-meinel.com>
> wrote:
>
>> If you have started the machine yourself, you should be able to "juju
>> add-machine ssh:IP_ADDRESS" and then use that as a "juju deploy --to X"
>> target.
>>
>> However, you will still need to tear down the machine when you're done.
>> We don't yet support multi-provider models. Likely we won't, but we will
>> support cross-model relations, which would let you have some of your
>> workloads on different providers. Though if you wanted it to be logically 1
>> application, with units in different providers, that wouldn't quite work
>> the way you wanted.
>>
>> John
>> =:->
>>
>> On Fri, Jun 16, 2017 at 1:05 PM, Patrizio Bassi <patrizio.bassi at gmail.com
>> > wrote:
>>
>>> Hi All,
>>>
>>> I have a need somehow similar (at least in the background) to what
>>> reported in the thread "How to Move a machine and its application from
>>> a Model to Another "(https://lists.ubuntu.com/archives/juju/2017-June/
>>> 009111.html ).
>>>
>>> I deployed an openstack environment using juju bundles, this cloud hosts
>>> several applications and tenants.
>>>
>>> Coming to the Kubernates deploy, openstack is a "nested" provider for
>>> juju, the cloud is created and bootstrapped setting the openstack
>>> tenant/project (juju "tenant-name") we called "shared tenant". A minimal
>>> Kubernates setup is installed in this "shared" tenant. So far so good!
>>>
>>> We would like to deploy some kubernates-workers in other tenants, so
>>> each project can benefit the "shared" installation, monitoring, admin
>>> console, but run their own workload in their tenant space, so charge-back
>>> and quotas apply for instance.
>>>
>>> juju add-unit kubernates-worker can only allow in the same model, so the
>>> same cloud.
>>>
>>> Can we just force with --to statement? while for MaaS managed machine
>>> it's enough to have a known "ready" machine, it's not clear to me if in
>>> openstack i can do the same.
>>> 1) create a xenial ubuntu instance with network connectivity to
>>> juju-controller in "shared tenant"
>>> 2) tell juju to deploy the kubernates-worker units in that instance
>>>
>>> For instance, in case of unit-destroy, i would expect juju not to have
>>> the rights because the "tenant-name" is different.
>>>
>>> I saw the add-unit has a -m switch. Can, as far as the user is allowed
>>> to deploy, the -m switch be used to do a sort of "federation" between
>>> controllers?
>>> If not, any plan to implement something like that?
>>>
>>> Of course now i'm refering to the same cloud provider, but maybe in
>>> future this can led to hybrid multi-cloud installation.
>>>
>>> Thank you
>>>
>>> Patrizio
>>>
>>>
>>>
>>>
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>


-- 

Patrizio Bassi
www.patriziobassi.it
http://piazzadelpopolo.patriziobassi.it
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