[keycloak-user] How to migrate users and roles from in-house storage

[Stian Thorgersen]

Depending on the amount of users I'd use either partial import through the
admin console (if you don't have more than a thousand or so users) or use
the admin REST endpoints if you have quite a lot of users.

On 20 July 2016 at 11:52, Paulo Pires <pires at littlebits.cc> wrote:

> Hi all,
>
> I'm in the process of migrating from an in-house user-role storage to
> Keycloak and I'm looking for programmatic (Java) ways to migrate all
> current users to the new storage. And I need your help to figure out the
> best approach.
>
> At first, when reading KC documentation, I believed I could easily achieve
> this by implementing a User Federation provider but after diving a little
> more into it, and looking for examples, I can't see a way to migrate all
> users on-demand but simply one user at a time, possible during log-in.
>
> Next, I tried and look into ways, such as admin-cli, REST, etc but nothing
> strikes me as the solution to use.
>
> Here's what I was hoping to deliver:
> * Get all roles and users from my soon-to-be deprecated storage, e.g.
> MySQL tables
> * Add roles to KC
> * Iterate users and add user to KC + map roles + update password hashes
> (here I know I need to implement a HashProvider)
>
> Any hints will be appreciated!
>
> Pires
>
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