Planning for Juju 2.2 (16.10 timeframe)

[Kapil Thangavelu]

On Tue, Mar 8, 2016 at 6:51 PM, Mark Shuttleworth <mark at ubuntu.com> wrote:

> Hi folks
>
> We're starting to think about the next development cycle, and gathering
> priorities and requests from users of Juju. I'm writing to outline some
> current topics and also to invite requests or thoughts on relative
> priorities - feel free to reply on-list or to me privately.
>
> An early cut of topics of interest is below.
>
>
>
> *Operational concerns ** LDAP integration for Juju controllers now we
> have multi-user controllers
> * Support for read-only config
> * Support for things like passwords being disclosed to a subset of
> user/operators
> * LXD container migration
> * Shared uncommitted state - enable people to collaborate around changes
> they want to make in a model
>
> There has also been quite a lot of interest in log control - debug
> settings for logging, verbosity control, and log redirection as a systemic
> property. This might be a good area for someone new to the project to lead
> design and implementation. Another similar area is the idea of modelling
> machine properties - things like apt / yum repositories, cache settings
> etc, and having the machine agent setup the machine / vm / container
> according to those properties.
>
>
ldap++. as brought up in the user list better support for aws best practice
credential management, ie. bootstrapping with transient credentials (sts
role assume, needs AWS_SECURITY_TOKEN support), and instance role for state
servers.



>
>
> *Core Model * * modelling individual services (i.e. each database
> exported by the db application)
>  * rich status (properties of those services and the application itself)
>  * config schemas and validation
>  * relation config
>
> There is also interest in being able to invoke actions across a relation
> when the relation interface declares them. This would allow, for example, a
> benchmark operator charm to trigger benchmarks through a relation rather
> than having the operator do it manually.
>
>
in priority order, relation config, config schemas/validation, rich status.
relation config is a huge boon to services that are multi-tenant to other
services, as is the workaround is to create either copies per tenant or
intermediaries.


> *Storage*
>
>  * shared filesystems (NFS, GlusterFS, CephFS, LXD bind-mounts)
>  * object storage abstraction (probably just mapping to S3-compatible APIS)
>
> I'm interested in feedback on the operations aspects of storage. For
> example, whether it would be helpful to provide lifecycle management for
> storage being re-assigned (e.g. launch a new database application but reuse
> block devices previously bound to an old database  instance). Also, I think
> the intersection of storage modelling and MAAS hasn't really been explored,
> and since we see a lot of interest in the use of charms to deploy
> software-defined storage solutions, this probably will need thinking and
> work.
>
>
it maybe out of band, but with storage comes backups/snapshots. also of
interest, is encryption on block and object storage using cloud native
mechanisms where available.


>
>
> *Clouds and providers *
>  * System Z and LinuxONE
>  * Oracle Cloud
>
> There is also a general desire to revisit and refactor the provider
> interface. Now we have seen many cloud providers get done, we are in a
> better position to design the best provider interface. This would be a
> welcome area of contribution for someone new to the project who wants to
> make it easier for folks creating new cloud providers. We also see constant
> requests for a Linode provider that would be a good target for a refactored
> interface.
>
>
>
>
> *Usability * * expanding the set of known clouds and regions
>  * improving the handling of credentials across clouds
>


Autoscaling, either tighter integration with cloud native features or juju
provided abstraction.
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