[chef] Re: couchbase community cookbook: New nodes cannot join existing cluster

["Julian C. Dunn" < >]

Hi Chris,

I'm the maintainer of that cookbook, so I guess I'm somewhat
responsible :-) That does sound like an issue; email me & let's
discuss offline.

- Julian

On Wed, Sep 11, 2013 at 2:28 AM, Christopher Armstrong
<
 >
 wrote:
> ohai chefs,
>
> I'm trying to use the community cookbook for couchbase and I've been running
> into some trouble. I wasn't sure if I should open an issue on the cookbook
> repo, but figured I'd ask here first in case I'm overlooking something.
>
> I'm trying to setup two new couchbase servers to share a new cluster (we are
> evaluating couchbase as a replacement for memcached). I have a wrapper
> cookbook for couchbase which sets node['couchbase']['server']['username']
> and node['couchbase']['server']['password'] to be the same thing, which in
> theory should create a default cluster with the same login info (see
> https://github.com/juliandunn/couchbase/blob/master/recipes/server.rb#L134-L139).
> This is indeed what happens, but both nodes as they are bootstrapped create
> their own clusters instead of sharing one. Digging into the LWRP, it looks
> like create_if_missing will connect to localhost, and never attempt to
> connect to an existing cluster
> (https://github.com/juliandunn/couchbase/blob/master/libraries/cluster_provider.rb#L18-L24
> and
> https://github.com/juliandunn/couchbase/blob/master/libraries/client.rb#L5-L7).
> So, for a node's first run, create_if_missing will always create a cluster
> consisting of a single node. Subsequent runs on that node will see the local
> cluster, but never one consisting of more than the single node.
>
> Has anyone used this cookbook successfully for this purpose? With this
> behavior, clusters are not very useful. Following the code, it makes sense
> why it's not working. I'm happy to investigate changing and fixing the
> cookbook, but I wanted to see if this was a misuse first. I think the
> solution would be to perform a search for all couchbase servers, see if the
> cluster exists for any of them, and then attempt to join that cluster. Or,
> an IP could be specified to connect to as a member of the cluster to join.
>
> Any input is much appreciated!
>
> Thanks,
> Chris



-- 
[ Julian C. Dunn 
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