HAProxy with Kubernetes

Question 1

What default options should be set for use with kubernetes cluster in HAProxy config?

Answer 1

log global
mode tcp
option tcplog

Question 2

Describe what the “frontend” section should look like for use with kubernetes cluster in HAProxy config?

Answer 2

frontend proxynode
  bind *:80
  bind *:6443
  stats uri /proxystats
  default_backend k8sServers

Question 3

Describe what “backend” section should look like for use with kubernetes cluster in HAProxy config?

Answer 3

backend k8sServers
balance roundrobin
server control-plane-01 [IP of host]:6443 check
server control-plane-02 [IP of host]:6443 check
server control-plane-03 [IP of host]:6443 check

Question 4

Describe what “listen” section should look like for use with kubernetes cluster in HAProxy config?

Answer 4

listen stats
  bind :9999
  mode http
  stats enable
  stats hide-version
  stats uri /stats

Question 5

What should be added to the hosts file for each control plane server?

Answer 5

Each hosts file should have the alias of the control plane endpoint referencing the HAProxy IP address.