Open Stack

On 1/18/2017 10:54 AM, Mikhail Fedosin wrote:
> Hello!
>
> In this letter I want to tell you the current status of Glare project
> and discuss its future development within the entire OpenStack community.
>
> In the beginning I have to say a few words about myself - my name is
> Mike and I am the PTL of Glare. Currently I work as a consultant at
> Nokia, where we're developing the service as a universal catalog of
> binary data. As I understand it right, Nokia has big plans for this
> service, Moshe Elisha can tell you more about them.
>
> And here I want to ask the community - how exactly Glare may be useful
> in OpenStack? Glare was developed as a repository for all possible data
> types, and it has many possible applications. For example, it's a
> storage of vm images for Nova. Currently Glance is used for this, but
> Glare has much more features and this transition is easy to implement.
> Then it's a storage of Tosca templates. We were discussing integration
> with Heat and storing templates and environments in Glare, also it may
> be interesting for TripleO project. Mistral will store its workflows in
> Glare, it has already been decided. I'm not sure if Murano project is
> still alive, but they already use Glare 0.1 from Glance repo and it will
> be removed soon (in Pike afaik), so they have no other options except to
> start using Glare v1. Finally there were rumors about storing torrent
> files from Ironic.
>
> Now let me briefly describe Glare features:
>
>  * Versioning of artifacts - each artifact has a version in SemVer
> format and you can sort and filter by this field.
>  * Multiblob support - there can be several files and folders per one
> artifact.
>  * The ease of creating new artifact types with oslo_versionedobjects
> framework.
>  * Fair immutability - no one can change artifact when it's active.
>  * Multistore support - each artifact type data may be stored in
> different storages: images may go to Swift; heat templates may be stored
> directly in sql-database; for Docker Contatiners you can use Ceph, if
> you want.
>  * Advanced sorting and filtering with various operators.
>  * Uploaded data validation and conversion with hooks - for example,
> Glare may check if uploaded file was a valid Tosca template and return
> Bad Request if it's not.
>
> If you're interested, I recorded several demos in asciinema, that
> describe how Glare works and present the most useful features. Another
> demo about uploading hooks will be recorded and published this week.
>
> So, please tell me what you think and recommend in what direction we
> should develop the project. Thanks in advance!
>
> Best,
> Mike
>
> Useful links:
> [1] Api documentation in rst format:
> https://etherpad.openstack.org/p/glare-api
> [2] Basic artifact workflow on devstack: https://asciinema.org/a/97985
> [3] Listing of artifacts: https://asciinema.org/a/97986
> [4] Creating your own artifact type with oslo_vo:
> https://asciinema.org/a/97987
> [5] Locations, Tags, Links and Folders in Glare:
> https://asciinema.org/a/99771
>
>
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What use cases does Glare make available to Nova that Nova doesn't 
already get from Glance? In other words, what problems/missing features 
are there in Nova that can't be solved by Glance but can by Glare?

-- 

Thanks,

Matt Riedemann