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Re: [ecf-dev] Zookeeper discovery
- From: Scott Lewis <slewis@xxxxxxxxxxxxx>
- Date: Wed, 30 Jul 2014 08:27:14 -0700
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On 7/30/2014 7:51 AM, Alex Blewitt wrote:
Ah, I thought it was but I couldn’t remember :)
By the way, is there interest in an etcd provider for ECF?
It uses a fairly simple HTTP/JSON message system to upload entries, and provides a watch mechanism for listing and subscribing to updates.
If you use ?wait=true&recursive=true you can get the next change, and with &waitIndex=<index> you can make sure you don’t miss out any values in the interim. (The index is a long global counter which is reported back via a X-Etcd-Index value as well as to the response for a next change)
If there’s a bug, let me know - otherwise I can create one.
There isn't one yet...yes, please create a bug.
It would be great if we could jointly create an etcd discovery provider
on ECF's github location . I would be willing to contribute to such
an effort, but I'm going to be pretty occupied by the OSGi R6 work (ECF
3.9) and the raspberry pi/rs tutorial work over the next month. If we
could get Wim and/or Markus to contribute also that would be great,
since they are the most knowledgeable about the discovery API and
existing discovery providers (which can/should be borrowed from for etcd
provider design at least). And of course any other contributors are
In any event, let's coordinate via the bug, once created.