Tim, This seems like a reasonable requirement. Would you be interested in providing a patch to the jira?
Thanks, Jun On Thu, Oct 17, 2013 at 3:20 PM, Timothy Chen <tnac...@gmail.com> wrote: > Hi Roger, > > That's exactly what I need in my end, and actually internally created a new > property called zkHost.name to publish a different host to zk. This is also > needed for deploying Kafka into Azure. > > I also created zkHost.port since the internal and external ports that's > exposed might be different as well. > > Tim > > > On Thu, Oct 17, 2013 at 3:13 PM, Roger Hoover <roger.hoo...@gmail.com > >wrote: > > > Hi all, > > > > I'm getting started experimenting with Kafka and ran into a configuration > > issue. > > > > Currently, in server.properties, you can configure host.name which gets > > used for two purposes: 1) to bind the socket 2) to publish the broker > > details to ZK for clients to use. > > > > There are times when these two settings need to be different. Here's an > > example. I want to setup Kafka brokers on OpenStack virtual machines in a > > private cloud but I need producers to connect from elsewhere on the > > internal corporate network. With OpenStack, the virtual machines are only > > exposed to DHCP addresses (typically RFC 1918 private addresses). You can > > assign "floating ips" to a virtual machine but it's forwarded using > Network > > Address Translation and not exposed directly to the VM. Also, there's > > typically no DNS to provide hostname lookup. Hosts have names like > > "fubar.novalocal" that are not externally routable. > > > > Here's what I want. I want the broker to bind to the VM's private network > > IP but I want it to publish it's floating IP to ZooKeeper so that > producers > > can publish to it. > > > > I propose a new optional parameter, "listen", which would allow you to > > specify the socket address to listen on. If not set, the parameter would > > default to host.name, which is the current behavior. > > > > #Publish the externally routable IP in ZK > > host.name = <floating ip> > > #Accept connections from any interface the VM knows about > > listen = * > > > > I'm assuming others will eventually have the same requirement so I've > added > > a JIRA ticket. > > > > https://issues.apache.org/jira/browse/KAFKA-1092 > > > > Thanks for your consideration. > > > > Cheers, > > > > Roger > > >
