Exposing the mongos service

exposeMongosService.groovy

// In <cloudify root>/recipes/apps/petclinic/mongos/mongos_install.groovy
import com.gigaspaces.cloudify.dsl.context.ServiceContextFactory
  // ...
  // Getting the mongos service instance ID
instanceID = serviceContext.getInstanceId()

  // Calculating the mongos port and storing it in the serviceContext for later use 
  // (by the service and by other services).
serviceContext.attributes.thisInstance["port"] = config.basePort+instanceID
  // ...