Re: [leshan-dev] Shared Redis instance

[Simon Bernard <contact@xxxxxxxxxxxxxxx>]

Hi Eva,

  master is now in state about receiving new feature. (Sorry for delay)
  There is new discussion about custom Key in Redis Store at : 

• https://github.com/eclipse/leshan/pull/1398
• https://github.com/eclipse/leshan/issues/1249

  If you're still interested by this feature maybe you should join ?

Simon

Le 24/03/2022 à 12:22, Eva Rott a écrit :

> Hi,
>       
>       
>       >   Which version of Leshan are you using ?
>       
>       
>       I'm using leshan-server-cf version 2.0.0-M6.
>       
>       
>       > A short term workaround could be to provide your own
>       implementation of
>       
>       > RegistrationStore. You can copy/paste the
>       RedisRegistrationStore from
>       
>       > Leshan and just modify it.
>       
>       
>       I guess I will do that then because I need a quick solution for
>       now. I'll have a look at the alternatives afterwards.
>       
>       
>       > About the PR, note that if this is about the 1.x branch this
>       is OK but
>       
>       > if this is about 2.x this is not the right timing because lot
>       of break
>       
>       > will happens with
>       https://github.com/eclipse/leshan/issues/1222.
>       
>       
>       Then I will not propose a PR for now.
>       
>       
>       
>       Thanks for your help.
>       
>       
>       Best regards
>       
>       Eva
>       
>       
>       
>       On 24.03.22 11:52, Simon Bernard wrote:
>       
> > Hi,
> >         
> >         
> >           Which version of Leshan are you using ?
> >         
> >         
> > > Now I was wondering, how I could achieve
> > >           that. For example, is it possible to add a prefix to the Redis
> > >           keys? E.g. FIRST_APP:REG:EP, OTHER_APP:REG:EP. 
> >         AFAIK, there is nothing which allow to do that for now.
> >         
> >         A short term workaround could be to provide your own
> >         implementation of RegistrationStore. You can copy/paste the
> >         RedisRegistrationStore from Leshan and just modify it.
> >         
> >         For a more mid/long term solution, we could consider to add this
> >         "prefix feature" to RedisRegistrationStore, it sounds not so
> >         impacting.
> >         
> >         If you consider continue to use Redis (I saw discussion that
> >         will maybe change your mind), could you propose a PR about it ?
> >         
> >         
> >         About the PR, note that if this is about the 1.x branch this is
> >         OK but if this is about 2.x this is not the right timing because
> >         lot of break will happens with
> >         https://github.com/eclipse/leshan/issues/1222.
> >         
> >         
> >         HTH
> >         
> >         
> >         Simon
> >         
> >         
> >         
> >         Le 23/03/2022 à 21:53, Eva Rott a écrit :
> >         
> > > Hi,
> > >           
> > >           
> > >           I have a question concerning the use of Redis. I have multiple
> > >           Leshan servers with few clients registered on each and I'd
> > >           like to use only one Redis instance for all of them.
> > >           
> > >           
> > >           Now I was wondering, how I could achieve that. For example, is
> > >           it possible to add a prefix to the Redis keys? E.g.
> > >           FIRST_APP:REG:EP, OTHER_APP:REG:EP.
> > >           
> > >           
> > >           The only other thing I've found so far is the database int
> > >           value that can be specified when creating the JedisPool. This
> > >           would be my fallback solution but I'd definitely prefer not
> > >           having to keep track of the database IDs.
> > >           
> > >           
> > >           I've also thought about overriding/modifying the Redis key
> > >           prefixes in the RedisRegistrationStore but since they are
> > >           private I'm not really considering going toward that
> > >           direction.
> > >           
> > >           
> > >           
> > >           Any help will be very much appreciated.
> > >           
> > >           
> > >           Thanks in advance.
> > >           
> > >           
> > >           Best regards
> > >           
> > >           Eva
> > >           
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