IMO we shouldn't accept this if it was a community contribution as it would
add unnecessary complexity
On 18 May 2016 at 15:54, Bill Burke <bburke(a)redhat.com> wrote:
This would need to be a community contribution. We (the RHT/Keycloak
open
source devs) have too many things scheduled in queue right now and I don't
think there would be a lot of users that would request this feature.
On 5/18/16 9:19 AM, Stian Thorgersen wrote:
On 18 May 2016 at 15:07, Thomas Raehalme <thomas.raehalme(a)aitiofinland.com
> wrote:
>
>
> On Wed, May 18, 2016 at 3:59 PM, Stian Thorgersen <sthorger(a)redhat.com>
> wrote:
>>
>> On 18 May 2016 at 14:52, Thomas Raehalme <
>> <thomas.raehalme@aitiofinland.com>thomas.raehalme(a)aitiofinland.com>
>> wrote:
>>>
>>> By sharding do you mean that the environment should have multiple
>>> independent Keycloak instances/clusters to which tenants are distributed?
>>>
>>
>> Yes. At first our plan was to have a single Keycloak support multiple
>> tenants in a SaaS environment. However, we decided that this level of
>> tenants would be better achieved by having completely separate instances.
>>
>
> Ok, thanks for the clarification. I don't think from a developer point of
> view it makes a big difference to have multiple instances if you're already
> working with multiple realms. My concern, however, is how to manage all
> those realms hence my original message. At the moment there is no tool to
> support that, or at least I am not aware of one.
>
Fair point, but any solution would need to work with realms that are
located on the same instance as well as on different instances.
>
> It would also be a fairly tedious thing to implement. Realms would need
>>>> some inheritance, then there's the admin console to worry about. At
the
>>>> moment there's not even a "shared" place for multiple
realms, so no logical
>>>> place to create/edit realm templates.
>>>>
>>>
>>> Oh I never presumed this would be easy task to do :-)
>>>
>>
>> I meant we're very unlikely to accept the feature due to the amount of
>> complexity that would be involved. It also has very little benefit in the
>> use-cases we've designed Keycloak for and wouldn't work when realms are
>> located on separate instances which we expect would be the norm.
>>
>
> One important use case in my opinion is the possibility to ensure that in
> a SaaS environment all realms contain the required data. If you, for
> example, add a new role in your SaaS application, you'll need to make sure
> the role is added to all realms (and assign it to users properly).
>
You could do that through admin rest endpoints
>
>
> Another thing is that in the future we plan to remove master realm
>>> concept completely. Instead we'll have a trusted realm option that will
use
>>> identity brokering behind the covers. The idea is that a single admin can
>>> manage multiple realms independently on what servers the realm are located
>>> on. This would mean that an admin in reality can only manage a single
>>> realm, but automatically authenticate to other realms to manage those as
>>> well without re-authentication. There would be no cross-realm permissions
>>> though, so no "master" realm admin that can manage realm
templates.
>>>
>>> Do you mean that in the future the current master realm will be
>>> just-another-realm, but when creating new realms they automatically trust
>>> the master?
>>>
>>
>> There will be no special "master" realm at all. We've not fully
figured
>> out the bootstrapping of new realms. Rather than having a "master"
realm it
>> would be possible to link realms together which will enable cross-realm
>> management. One key aspect of this is that not only will you be able to
>> manage multiple realms within the Keycloak admin console, but you will also
>> be able to authenticate to your own applications that exist in different
>> realms.
>>
>
> How is that different from the currently available keycloak-oidc identity
> provider?
>
It would use keycloak-oidc identity provider behind the covers, but the
bootstrapping would be a single click button. Rather than a button on login
form we'd also hide the button and use idp_hint to automatically "login"
to
another realm.
>
> Best regards,
> Thomas
>
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