in src/main/java/com/googlesource/gerrit/plugins/pubsub/local/LocalPublisherProvider.java [47:59]
public Publisher get(String topic) throws IOException {
ManagedChannel channel =
ManagedChannelBuilder.forTarget(environmentChecker.getLocalHostAndPort().get())
.usePlaintext()
.build();
TransportChannelProvider channelProvider =
FixedTransportChannelProvider.create(GrpcTransportChannel.create(channel));
createTopic(channel, config.getGCloudProject(), topic);
return Publisher.newBuilder(TopicName.of(config.getGCloudProject(), topic))
.setChannelProvider(channelProvider)
.setCredentialsProvider(credentials)
.build();
}