Refactor to idempotent methods

playbook.yml

@@ -66,9 +66,21 @@
       groups: k3s_ha
     with_items: "{{ nodes }}"
 
-  - name: Store public keys in 'known_hosts'
-    ansible.builtin.command:
-      cmd: ssh-keyscan -t rsa {{ item.ip }} >> ~/.ssh/known_hosts
+  - name: Add new VM's as 'known_hosts'
+    block:
+
+    - name: Scan public key
+      ansible.builtin.command:
+        cmd: "ssh-keyscan -t rsa {{ item.ip }}"
+      register: publickey
+
+    - name: Store public key
+      ansible.builtin.known_hosts:
+        name: "{{ item.name }}"
+        key: "{{ publickey.stdout }}"
+        state: present
+        path: ~/.ssh/known_hosts
+
     with_items: "{{ nodes }}"
 
 - name: Provision Kubernetes