Implementing Juju Actions

[Gustavo Niemeyer]

On Thu, Mar 27, 2014 at 12:34 PM, Nate Finch <nate.finch at canonical.com> wrote:
> What's the difference between Actions and Set?   If I do "juju set mysql
> admins=nate,bill" the mysql charm sees the updated admins, and performs some
> action (updating permissions in this case).  How is that different from
> something like "juju do setadmins mysql nate,bill" ?

One handles configuration, a set of options that are persistent,
globally unique, defined at the service level.

The other handles actions, a set of independent and short lived tasks
that are individually queued and handled, either requested for a unit
or for a service.


gustavo @ http://niemeyer.net