I created two pods.... started the first, obtained its IP, then manually
added it to the Dockerfile of the second pod:
ENV CASSANDRA_CLUSTER_NAME=avesterra \
CASSANDRA_SEEDS=10.1.0.85
Now deploying this second pod seems to actually work...
So, how do I refer to the the IP of another pod, in my Dockerfile? I tried
simply using the "name" of the other pod... as I understand this should
resolve via the dynamic DNS to the correct pod... but the name does not
seem to resolve at all....
cassandra@cassandra-1-8fjph:/$ cat /etc/resolv.conf
nameserver 172.30.0.1
nameserver 141.161.100.201
nameserver 141.161.200.201
search aversterra-server.svc.cluster.local svc.cluster.local cluster.local
uis.georgetown.edu georgetown.edu
options ndots:5
cassandra@cassandra-1-8fjph:/$ host cassandra-seeder
Host cassandra-seeder not found: 3(NXDOMAIN)
cassandra@cassandra-1-8fjph:/$
On Fri, Mar 4, 2016 at 12:58 AM, Mohamed Lrhazi <
mohamed.lrh...@georgetown.edu> wrote:
> Hello,
>
> One way, maybe only way, to start a cassandra cluster is like this:
>
> - start one node.
> - start more nodes and give them the IP@ of the first one as seed
> address, via ENV variable.
>
> How can I do this on OpenShift? would I use a Service ? What would I set
> in the deployment config of such a pod.... How do I reference the IP of the
> other instance of the same pod?
>
>
> Thanks,
> Mohamed.
>
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