Use local vip address

hetzner/deployments/cilium.yaml

@@ -1,6 +1,6 @@
 ---
 
-k8sServiceHost: "172.16.0.5"
+k8sServiceHost: "172.16.0.10"
 k8sServicePort: "6443"
 
 agent:

hetzner/deployments/cilium_result.yaml

@@ -540,7 +540,7 @@ spec:
               name: cilium-config
               optional: true
         - name: KUBERNETES_SERVICE_HOST
-          value: "172.16.0.5"
+          value: "172.16.0.10"
         - name: KUBERNETES_SERVICE_PORT
           value: "6443"
         image: "quay.io/cilium/cilium:v1.10.3@sha256:8419531c5d3677158802882bdfe2297915c43f2ebe3649551aaac22de9f6d565"
@@ -627,7 +627,7 @@ spec:
               name: cilium-config
               optional: true
         - name: KUBERNETES_SERVICE_HOST
-          value: "172.16.0.5"
+          value: "172.16.0.10"
         - name: KUBERNETES_SERVICE_PORT
           value: "6443"
         image: "quay.io/cilium/cilium:v1.10.3@sha256:8419531c5d3677158802882bdfe2297915c43f2ebe3649551aaac22de9f6d565"
@@ -783,7 +783,7 @@ spec:
               name: cilium-config
               optional: true
         - name: KUBERNETES_SERVICE_HOST
-          value: "172.16.0.5"
+          value: "172.16.0.10"
         - name: KUBERNETES_SERVICE_PORT
           value: "6443"
         image: "quay.io/cilium/operator-generic:v1.10.3@sha256:337ebf27eae4fbad51cc4baf9110b3ec6753320dd33075bc136e2a1865be5eb5"

hetzner/instances-master.tf

@@ -19,6 +19,7 @@ resource "hcloud_server" "controlplane" {
     merge(var.kubernetes, {
       name           = "master-${count.index + 1}"
       type           = count.index == 0 ? "init" : "controlplane"
+      ipv4_vip       = cidrhost(hcloud_network_subnet.core.ip_range, 10)
       ipv4_local     = cidrhost(hcloud_network_subnet.core.ip_range, 11 + count.index)
       lbv4_local     = hcloud_load_balancer_network.api.ip
       lbv4           = hcloud_load_balancer.api.ipv4
@@ -38,6 +39,17 @@ resource "hcloud_server" "controlplane" {
   }
 }
 
+#
+# Local floating ip
+#
+resource "hcloud_server_network" "controlplane" {
+  count     = lookup(var.controlplane, "count", 0) > 0 ? 1 : 0
+  server_id = hcloud_server.controlplane[0].id
+  subnet_id = hcloud_network_subnet.core.id
+  ip        = cidrhost(hcloud_network_subnet.core.ip_range, 11)
+  alias_ips = [cidrhost(hcloud_network_subnet.core.ip_range, 10)]
+}
+
 resource "hcloud_load_balancer_target" "api" {
   count            = lookup(var.controlplane, "count", 0)
   type             = "server"

hetzner/instances-web.tf

@@ -16,6 +16,7 @@ module "web" {
   vm_security_group = [hcloud_firewall.web.id]
 
   vm_params = merge(var.kubernetes, {
-    lbv4 = hcloud_load_balancer_network.api.ip
+    lbv4   = hcloud_load_balancer_network.api.ip
+    labels = "node.kubernetes.io/role=web"
   })
 }

hetzner/instances-workers.tf

@@ -16,6 +16,7 @@ module "worker" {
   vm_security_group = [hcloud_firewall.worker.id]
 
   vm_params = merge(var.kubernetes, {
-    lbv4 = hcloud_load_balancer_network.api.ip
+    lbv4   = hcloud_load_balancer_network.api.ip
+    labels = "node.kubernetes.io/role=worker"
   })
 }

hetzner/modules/templates/worker.yaml.tpl

@@ -10,6 +10,7 @@ machine:
       node-ip: "${ipv4}"
       cloud-provider: external
       rotate-server-certificates: true
+      node-labels: "${labels}"
   network:
     hostname: "${name}"
     interfaces:

hetzner/network-lb.tf

@@ -32,18 +32,43 @@ resource "hcloud_load_balancer_service" "api" {
   }
 }
 
-resource "hcloud_load_balancer_service" "talos" {
+# resource "hcloud_load_balancer_service" "talos" {
-  load_balancer_id = hcloud_load_balancer.api.id
+#   load_balancer_id = hcloud_load_balancer.api.id
-  protocol         = "tcp"
+#   protocol         = "tcp"
-  listen_port      = 50000
+#   listen_port      = 50000
-  destination_port = 50000
+#   destination_port = 50000
-  proxyprotocol    = false
+#   proxyprotocol    = false
 
-  health_check {
+#   health_check {
-    protocol = "tcp"
+#     protocol = "tcp"
-    port     = 50000
+#     port     = 50000
-    interval = 30
+#     interval = 30
-    timeout  = 5
+#     timeout  = 5
-    retries  = 3
+#     retries  = 3
-  }
+#   }
-}
+# }
+
+# resource "hcloud_load_balancer_service" "https" {
+#   load_balancer_id = hcloud_load_balancer.api.id
+#   protocol         = "tcp"
+#   listen_port      = 443
+#   destination_port = 443
+#   proxyprotocol    = false
+
+#   health_check {
+#     protocol = "http"
+#     port     = 80
+#     interval = 30
+#     timeout  = 5
+#     retries  = 3
+#     http {
+#       path = "/healthz"
+#     }
+#   }
+# }
+
+# resource "hcloud_load_balancer_target" "https" {
+#   type             = "label_selector"
+#   load_balancer_id = hcloud_load_balancer.api.id
+#   label_selector   = "label=web"
+# }

hetzner/network-secgroup.tf

@@ -31,8 +31,7 @@ resource "hcloud_firewall" "controlplane" {
     direction  = "in"
     protocol   = "tcp"
     port       = "50000"
-    source_ips = ["0.0.0.0/0", "::/0"]
+    source_ips = concat(var.whitelist_admins, [var.vpc_main_cidr])
-    # source_ips = var.whitelist_admins
   }
   rule {
     direction  = "in"
@@ -54,6 +53,14 @@ resource "hcloud_firewall" "controlplane" {
     source_ips = ["0.0.0.0/0", "::/0"]
     # source_ips = var.whitelist_admins
   }
+
+  # cilium health
+  rule {
+    direction  = "in"
+    protocol   = "tcp"
+    port       = "4240"
+    source_ips = ["::/0"]
+  }
 }
 
 resource "hcloud_firewall" "web" {
@@ -90,6 +97,14 @@ resource "hcloud_firewall" "web" {
     port       = "443"
     source_ips = var.whitelist_web
   }
+
+  # cilium health
+  rule {
+    direction  = "in"
+    protocol   = "tcp"
+    port       = "4240"
+    source_ips = ["::/0"]
+  }
 }
 
 resource "hcloud_firewall" "worker" {
@@ -113,4 +128,12 @@ resource "hcloud_firewall" "worker" {
     port       = "any"
     source_ips = [var.vpc_main_cidr]
   }
+
+  # cilium health
+  rule {
+    direction  = "in"
+    protocol   = "tcp"
+    port       = "4240"
+    source_ips = ["::/0"]
+  }
 }

hetzner/templates/controlplane.yaml.tpl

@@ -8,6 +8,7 @@ machine:
     - "${lbv6}"
     - "${lbv4_local}"
     - "${ipv4_local}"
+    - "${ipv4_vip}"
   kubelet:
     extraArgs:
       node-ip: "${ipv4_local}"
@@ -17,16 +18,14 @@ machine:
     interfaces:
       - interface: eth1
         dhcp: true
+        addresses:
+          - ${ipv4_vip}
       - interface: dummy0
         addresses:
           - 169.254.2.53/32
           - fd00::169:254:2:53/128
   install:
-    disk: /dev/sda
-    bootloader: true
     wipe: false
-    extraKernelArgs:
-      - elevator=noop
   sysctls:
     net.core.somaxconn: 65535
     net.core.netdev_max_backlog: 4096
@@ -38,7 +37,7 @@ machine:
           slot: 0
 cluster:
   controlPlane:
-    endpoint: https://${lbv4}:6443
+    endpoint: https://${ipv4_vip}:6443
   network:
     dnsDomain: ${domain}
     podSubnets: ${format("[%s]",podSubnets)}
@@ -56,6 +55,7 @@ cluster:
       - "${lbv6}"
       - "${lbv4_local}"
       - "${ipv4_local}"
+      - "${ipv4_vip}"
     extraArgs:
         feature-gates: IPv6DualStack=true
   controllerManager: