Scott Lawrence wrote: > On Fri, 2009-09-18 at 12:17 -0400, Damian Krzeminski wrote: >> This is a reminder for developers adding new services to sipXecs. >> >> Since 4.0 release your service can run on any server in the cluster. You >> should not make any assumptions about configuration files that belong to >> other services. There are very few configuration files that are replicated >> everywhere. Most will only get to the server that requires them (it's not >> just an optimization - sipxsupervisor will not accept a config file if no >> service claims it in the descriptor) >> >> In reality we are severely restricting this flexibility. Administrators >> configure cluster by assigning bundles of services (a.k.a. roles) to a >> server. That simplifies configuration of the cluster and it limits the >> number of variants that need to be tested. >> >> However roles/bundles should not be used as an excuse to code in >> assumptions about other services location. It's always good to conduct a >> mental experiment: "what happens if my service running on its own dedicated >> server". Specifically if you need information about some other services or >> ports, add it to your service config file. Do not try to parse other >> services data. > > There is one alternative to the above, and we should be using it a > little more than we are - if the configuration item is relevant to > anything (or many things) in the domain, then that item should go in the > domain-config, and your service should expect to find it there. The > domain-config is replicated to all systems in the cluster. > >
Sure. But please remember that changing domain-config requires that all the services on all servers in the cluster are restarted. Use domain-config for truly common items that do not change often. D. _______________________________________________ sipx-dev mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipx-dev Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-dev sipXecs IP PBX -- http://www.sipfoundry.org/
