feat: make kubeadm workflows auto-scale with terraform outputs

.gitea/workflows/kubeadm-reset.yml

@@ -80,30 +80,11 @@ jobs:
         run: terraform init -reconfigure -backend-config=backend.hcl
 
       - name: Create kubeadm inventory
+        env:
+          KUBEADM_SSH_USER: ${{ secrets.KUBEADM_SSH_USER }}
         run: |
           TF_OUTPUT_JSON="$(terraform -chdir=terraform output -json)"
-
-          CP_1="$(python3 -c 'import json,sys; d=json.loads(sys.stdin.read()); print(d["control_plane_vm_ipv4"]["value"]["cp-1"])' <<< "$TF_OUTPUT_JSON")"
-          CP_2="$(python3 -c 'import json,sys; d=json.loads(sys.stdin.read()); print(d["control_plane_vm_ipv4"]["value"]["cp-2"])' <<< "$TF_OUTPUT_JSON")"
-          CP_3="$(python3 -c 'import json,sys; d=json.loads(sys.stdin.read()); print(d["control_plane_vm_ipv4"]["value"]["cp-3"])' <<< "$TF_OUTPUT_JSON")"
-          WK_1="$(python3 -c 'import json,sys; d=json.loads(sys.stdin.read()); print(d["worker_vm_ipv4"]["value"]["wk-1"])' <<< "$TF_OUTPUT_JSON")"
-          WK_2="$(python3 -c 'import json,sys; d=json.loads(sys.stdin.read()); print(d["worker_vm_ipv4"]["value"]["wk-2"])' <<< "$TF_OUTPUT_JSON")"
-          WK_3="$(python3 -c 'import json,sys; d=json.loads(sys.stdin.read()); print(d["worker_vm_ipv4"]["value"]["wk-3"])' <<< "$TF_OUTPUT_JSON")"
-
-          SSH_USER="$(printf '%s' "${{ secrets.KUBEADM_SSH_USER }}")"
-          if [ -z "$SSH_USER" ]; then
-            SSH_USER="micqdf"
-          fi
-
-          cat > nixos/kubeadm/scripts/inventory.env << EOF
-          SSH_USER=$SSH_USER
-          CP_1=$CP_1
-          CP_2=$CP_2
-          CP_3=$CP_3
-          WK_1=$WK_1
-          WK_2=$WK_2
-          WK_3=$WK_3
-          EOF
+          printf '%s' "$TF_OUTPUT_JSON" | ./nixos/kubeadm/scripts/render-inventory-from-tf-output.py > nixos/kubeadm/scripts/inventory.env
 
       - name: Run cluster reset
         run: |