Remove redundant tasks;Add readycheck;Housekeeping;Add further upgrade tasks

ansible/roles/firstboot/files/ansible_payload/bootstrap/roles/metacluster/tasks/certauthority.yml

@@ -124,23 +124,16 @@
     - name: Trigger handlers
       ansible.builtin.meta: flush_handlers
 
-    - name: Retrieve step-ca configuration
-      kubernetes.core.k8s_info:
-        kind: ConfigMap
-        name: step-certificates-config
-        namespace: step-ca
-        kubeconfig: "{{ kubeconfig.path }}"
-      register: stepca_cm_config
-
-    - name: Install root CA in system truststore
-      ansible.builtin.shell:
-        cmd: >-
-          step ca bootstrap \
-            --ca-url=https://ca.{{ vapp['metacluster.fqdn'] }} \
-            --fingerprint={{ stepca_cm_config.resources[0].data['defaults.json'] | from_json | json_query('fingerprint') }} \
-            --install \
-            --force
-          update-ca-certificates
+    - name: Ensure step-ca API availability
+      ansible.builtin.uri:
+        url: https://ca.{{ vapp['metacluster.fqdn'] }}/health
+        method: GET
+      register: api_readycheck
+      until:
+        - api_readycheck.json.status is defined
+        - api_readycheck.json.status == 'ok'
+      retries: "{{ playbook.retries }}"
+      delay: "{{ playbook.delays.long }}"
 
   module_defaults:
     ansible.builtin.uri: