initial scaffold

terraform/cloud-init/agent.yaml.tpl

@@ -0,0 +1,33 @@
+#cloud-config
+hostname: ${hostname}
+manage_etc_hosts: true
+
+users:
+  - name: k3s
+    groups: sudo
+    shell: /bin/bash
+    sudo: ALL=(ALL) NOPASSWD:ALL
+    ssh_authorized_keys:
+      - ${ssh_public_key}
+
+package_update: true
+packages:
+  - curl
+
+write_files:
+  - path: /usr/local/bin/join-k3s.sh
+    permissions: '0755'
+    content: |
+      #!/bin/sh
+      # Server may still be booting; retry the join until it answers.
+      until curl -sk https://${server_ip}:6443/ping >/dev/null 2>&1; do
+        echo "waiting for k3s server at ${server_ip}..."
+        sleep 5
+      done
+      curl -sfL https://get.k3s.io | \
+        K3S_URL="https://${server_ip}:6443" \
+        K3S_TOKEN="${k3s_token}" \
+        sh -s - agent
+
+runcmd:
+  - /usr/local/bin/join-k3s.sh