How do you know that the brokers don't talk to each other? On Thu, Sep 14, 2017 at 4:32 PM, Yongtao You <yongtao_...@yahoo.com.invalid> wrote:
> Hi, > I would like to know the right way to setup a Kafka cluster with Nginx in > front of it as a reverse proxy. Let's say I have 2 Kafka brokers running on > 2 different hosts; and an Nginx server running on another host. Nginx will > listen on 2 different ports, and each will forward to one Kafka broker. > Producers will connect to one of the 2 ports on the Nginx host. > Nginx-Host: listens on 9000 ssl (forward to <kafka-host-0>:9092 in plain > text); 9001 ssl (forward to <kafka-host-1>:9092 in plain text); > > Kafka-Host-0: listeners=PLAINTEXT://<kafka-host-0-ip>:9092; > advertised.listeners=PLAINTEXT://<nginx-host-ip>:9000Kafka-Host-1: > listeners=PLAINTEXT://<kafka-host-1-ip>:9092; advertised.listeners= > PLAINTEXT://<nginx-host-ip>:9001 > Ports on Nginx will have SSL enabled so that messages sent from producers > to Nginx will be encrypted; Traffic between Nginx and Kafka are in plain > text since it's on the internal network. > Why have producers go through Nginx? The main reason is that producers > will only need to open their firewall to a single IP so that even later on > when I add another Kafka broker, I don't need to modify the firewall of all > the producers. > My problem is that I can't make the above setup work. Brokers are unable > to talk to one another. :( > So, what's the right way to do this? Anyone has experience setting up > something similar? Or any recommendations for a different setup that will > not require changes on the producer's side when new Kafka brokers are added? > > Thanks!Yongtao > PS. The producers in question are Filebeats (https://www.elastic.co/ > products/beats/filebeat). >