On 02/16/2015 01:39 PM, Jordan Pittier wrote:
>So, I don't understand what allowing the HTTP backend to support add()
gives the user of Glance.
It doesn't give anything to the user.
glance_store is all about different backends, such as the VMWare
datastore or the Sheepdog data store. Having several backends/drivers
allows the cloud operator/administrator to choose among several options
when he deploys and operates his cloud. Currently the HTTP store lacks
an 'add' method so it can't be used as a default store. But the cloud
provider may have an existing storage solution/infrastructure that has
an HTTP gateway and that understands basic PUT/GET/DELETE operations.
So having a full blown HTTP store makes sense, imo, because it gives
more deployment options.
Is that clearer ? What do you think ?
I understand what you're saying. However, if you look at the Swift
driver, you'll see that it's really nothing more than the HTTP driver
that you're referring to above. It's just that the swift driver knows
the Swift HTTP API semantics.
Why not just add a scality driver that performed HTTP operations to
store image bits in your backend storage?
Best,
-jay
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