Test until-loop based on valid json being returned

playbook.yml

@@ -137,23 +137,25 @@
           src: kube-vip.j2
           dest: /var/lib/rancher/k3s/server/manifests/kube-vip.yml
 
+    - name: Initial node -- Wait for available API
+      ansible.builtin.shell:
+        cmd: "curl -k https://{{ cluster.virtualip | ansible.utils.ipaddr('address') }}:6443/livez?verbose"
+      register: api_readycheck
+      ignore_errors: yes
+      until: "{{ ( api_readycheck.stdout | from_json ).apiVersion is defined }}"
+      retries: 3
+      delay: 30
+
     delegate_to: "{{ ansible_play_hosts[0] }}"
     run_once: true
 
   - block:
 
-    - ansible.builtin.shell:
+    # - name: Additional nodes -- Wait for available API
-        cmd: "curl -k https://{{ cluster.virtualip | ansible.utils.ipaddr('address') }}:6443/livez?verbose"
+    #   ansible.builtin.wait_for:
-      register: api_readycheck
+    #     host: "{{ cluster.virtualip | ansible.utils.ipaddr('address') }}"
-      ignore_errors: yes
+    #     port: 6443
-    - ansible.builtin.debug:
+    #     timeout: 300
-        var: api_readycheck.stdout
-
-    - name: Additional nodes -- Wait for available API
-      ansible.builtin.wait_for:
-        host: "{{ cluster.virtualip | ansible.utils.ipaddr('address') }}"
-        port: 6443
-        timeout: 300
 
     - name: Additional nodes -- Install K3s binary
       ansible.builtin.shell:
@@ -162,13 +164,6 @@
         K3S_TOKEN: "{{ cluster.token }}"    # (hostvars[ansible_play_hosts[0]]).cluster.token
         K3S_URL: "{{ 'https://' + ( cluster.virtualip | ansible.utils.ipaddr('address') ) + ':6443' }}"
 
-    - ansible.builtin.shell:
-        cmd: "curl -k https://{{ cluster.virtualip | ansible.utils.ipaddr('address') }}:6443/livez?verbose"
-        ignore_errors: yes
-      register: api_readycheck
-    - ansible.builtin.debug:
-        var: api_readycheck.stdout
-
     rescue:
 
     - name: Debug systemd unit