Where you able to setup your account on Runabove?
Sorry, didn't noticed your message but I already have an account at an OpenStack provider. So far I think that php-opencloud will work fine with this. Hopefully this will make it to v3.6.2 and in worst scenario we will see this in v3.6.3Rodolfo, see my private conversation to you from a couple of weeks ago. You can use it for free if this is what you need to implement Openstack.
Scaleway works exactly the same way as AWS S3, Rolf just need to copy the S3 storage option function and then change the S3 hostnames to Scaleway one and the Scaleway storage option can be included. I don't think there any additional API coding required. The access keys and buckets system that AWS S3 use all work the same way on Scaleway.I'm sorry GPGT, but Scaleway is not OpenStack compliant (no OpenStack API exposed)...