feat: switch from terraform to hetzner-k3s

Author: mrsimonemms

.devcontainer/devcontainer.json

@@ -7,7 +7,11 @@
       "installTerraformDocs": true
     },
     "ghcr.io/dhoeric/features/trivy:1": {},
-    "ghcr.io/devcontainers-contrib/features/argo-cd:1": {}
+    "ghcr.io/devcontainers-contrib/features/argo-cd:1": {},
+    "ghcr.io/devcontainers-extra/features/gh-release:1": {
+      "repo": "vitobotta/hetzner-k3s",
+      "binaryNames": "hetzner-k3s"
+    }
   },
   "customizations": {
     "vscode": {

Makefile

@@ -12,10 +12,18 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+CLUSTER ?= dev
+CLUSTER_ROOT = ./clusters
+OUTPUT_FILE ?= /tmp/config.yaml
+
 cruft-update:
 ifeq (,$(wildcard .cruft.json))
 	@echo "Cruft not configured"
 else
 	@cruft check || cruft update --skip-apply-ask --refresh-private-variables
 endif
 .PHONY: cruft-update
+
+generate-config:
+	@yq '. *= load("${CLUSTER_ROOT}/${CLUSTER}.yaml")' ${CLUSTER_ROOT}/common.yaml > ${OUTPUT_FILE}
+.PHONY: generate-config

clusters/common.yaml

@@ -0,0 +1,43 @@
+kubeconfig_path: "~/.kube/config"
+k3s_version: v1.31.3+k3s1
+
+networking:
+  ssh:
+    port: 2244
+    use_agent: false
+    public_key_path: "~/.ssh/homelab.pub"
+    private_key_path: "~/.ssh/homelab"
+  allowed_networks:
+    ssh:
+      - 0.0.0.0/0
+    api:
+      - 0.0.0.0/0
+  public_network:
+    ipv4: true
+    ipv6: true
+  private_network:
+    enabled: true
+    subnet: 10.0.0.0/16
+  cni:
+    enabled: true
+    encryption: true
+    mode: cilium
+
+datastore:
+  mode: etcd
+
+schedule_workloads_on_masters: true
+
+image: ubuntu-24.04
+
+masters_pool:
+  instance_type: cx32
+  instance_count: 3
+  location: nbg1
+
+kube_cloud_controller_manager_args:
+  networking:
+    enabled: true
+  env:
+    - name: HCLOUD_LOAD_BALANCERS_ENABLED
+      value: false

clusters/dev.yaml

@@ -0,0 +1,4 @@
+cluster_name: dev
+networking:
+  private_network:
+    subnet: 10.2.0.0/16

clusters/prod.yaml

@@ -0,0 +1 @@
+cluster_name: prod

modules/kubernetes/files/cloud-controller-manager.yaml

@@ -3,4 +3,4 @@ networking:
 
 env:
   HCLOUD_LOAD_BALANCERS_ENABLED:
-    value: "false"
+   value: "false"