Re: Announcing Experimental support for Asynchronous Service Operations


Duncan Johnston-Watt <duncan.johnstonwatt@...>
 

+1
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Duncan Johnston-Watt
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On 4 Jun 2015, at 01:05, Onsi Fakhouri <ofakhouri(a)pivotal.io> wrote:

Well done Services API! This is an awesome milestone!

On Wed, Jun 3, 2015 at 5:04 PM, Chip Childers <cchilders(a)cloudfoundry.org> wrote:
Awesome news! Long time coming, and it opens up a whole world of additional capabilities for users.

Nice work everyone!



On Jun 4, 2015, at 9:00 AM, Shannon Coen <scoen(a)pivotal.io> wrote:

On behalf of the Services API team, including Dojo participants from IBM and SAP, I'm pleased to announce experimental availability and published documentation for this much-anticipated feature.

As of cf-release v208 and CLI v6.11.1, Cloud Foundry now supports an enhanced service broker integration in support of long-running provisioning, update, and delete operations. This significantly broadens the supported use cases for Cloud Foundry Marketplace Services, and I can't wait to hear what creative things the ecosystem does with it. Provision VMs, orchestrate clusters, install software, move data... yes, your broker can even open support tickets to have those things done manually!

This feature is currently considered experimental, as we'd like you all to review our docs, try out the feature, and give us feedback. We very interested to hear about any confusion in the docs or the UX, and any sticky issues you encounter in implementation. Our goal is for our docs enable a painless, intuitive (can we hope for joyful?) implementation experience.

We have not bumped the broker API yet for this feature. You'll notice that our documentation for the feature is separate from the stable API docs at this point. Once we're confident in the design (we're relying on your feedback!), we'll bump the broker API version, move the docs for asynchronous operations into the stable docs, AND implement support for asynchronous bind/create-key and unbind/delete-key.

Documentation:
- http://docs.cloudfoundry.org/services/asynchronous-operations.html
- http://docs.cloudfoundry.org/services/api.html
Example broker for AWS (contributed by IBM):
- http://docs.cloudfoundry.org/services/examples.html
- https://github.com/cloudfoundry-samples/go_service_broker
Demo of the feature presented at CF Summit 2015:
- https://youtu.be/Ij5KSKrAq9Q

tl;dr

Cloud Foundry expects broker responses within 60 seconds. Now a broker can return an immediate response indicating that a provision, update, or delete operation is in progress. Cloud Foundry then returns a similar response to the client, and begins polling the broker for the status of the operation. Users, via API clients, can discover the status of the operation ("in progress", "succeeded", or "failed"), and brokers can provide user-facing messages in response to each poll which are exposed to users (e.g. "VMs provisioned, installing software, 30% complete").

Thank you,

Shannon Coen
Product Manager, Cloud Foundry
Pivotal, Inc.
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