From e1f3e6ec8d2f3d889ab28f47da50ca8ac8eb3f89 Mon Sep 17 00:00:00 2001
From: Joseph Hanson <joe@veri.dev>
Date: Sat, 4 May 2024 12:23:26 -0500
Subject: [PATCH] Added talos to haproxy.

---
 nixos/telperion/configuration.nix | 60 +++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/nixos/telperion/configuration.nix b/nixos/telperion/configuration.nix
index f08a8b5..37c1f43 100644
--- a/nixos/telperion/configuration.nix
+++ b/nixos/telperion/configuration.nix
@@ -113,6 +113,66 @@
     };
   };
 
+  # haproxy for load balancing talos and kubernetes api.
+    services.haproxy = {
+    enable = true;
+    config = ''
+      global
+        log /dev/log local0
+        log /dev/log local1 notice
+        daemon
+
+      defaults
+        mode http
+        log global
+        option httplog
+        option dontlognull
+        option http-server-close
+        option forwardfor except 127.0.0.0/8
+        option redispatch
+        retries 3
+        timeout http-request 10s
+        timeout queue 20s
+        timeout connect 10s
+        timeout client 1h
+        timeout server 1h
+        timeout http-keep-alive 10s
+        timeout check 10s
+
+      frontend k8s_apiserver
+        bind *:6443
+        mode tcp
+        option tcplog
+        default_backend k8s_controlplane
+      
+      frontend talos_apiserver                                              
+        bind *:50000                                                      
+        mode tcp                                                          
+        option tcplog                                                     
+        default_backend talos_controlplane                                
+
+      backend k8s_controlplane
+        option httpchk GET /healthz
+        http-check expect status 200
+        mode tcp
+        option ssl-hello-chk
+        balance roundrobin
+        server worker1 10.1.1.61:6443 check
+        server worker2 10.1.1.62:6443 check
+        server worker3 10.1.1.63:6443 check
+
+      backend talos_controlplane                                
+        option httpchk GET /healthz                           
+        http-check expect status 200                          
+        mode tcp                                              
+        option ssl-hello-chk                                  
+        balance     roundrobin                                
+        server worker1 10.1.1.61:50000 check  
+        server worker2 10.1.1.62:50000 check
+        server worker3 10.1.1.63:50000 check   
+    '';
+  };
+
   # Some programs need SUID wrappers, can be configured further or are
   # started in user sessions.
   programs.mtr.enable = true;