feat(infra): Phase 3 & 4 completion, deploy AWX playbooks & Zabbix monitoring

ansible/playbooks/k3s_aerodrome_precheck.yml

@@ -0,0 +1,29 @@
+---
+- name: Aerodrome K3s Control Plane Pre-Upgrade Health & etcd Snapshot
+  hosts: k3s_aerodrome_masters
+  gather_facts: false
+  tasks:
+    - name: Verify K3s systemd service is active
+      ansible.builtin.command: systemctl is-active k3s
+      register: k3s_service
+      changed_when: false
+      failed_when: k3s_service.stdout != "active"
+
+    - name: Query current node K3s version
+      ansible.builtin.command: k3s --version
+      register: k3s_ver
+      changed_when: false
+
+    - name: Display current K3s version
+      ansible.builtin.debug:
+        msg: "{{ inventory_hostname }} current version: {{ k3s_ver.stdout_lines[0] }}"
+
+    - name: Save on-demand etcd snapshot on primary master (.11)
+      ansible.builtin.command: k3s etcd-snapshot save --name "pre-upgrade-snapshot"
+      when: inventory_hostname == "sninfr2lnxctl01"
+      register: etcd_snap
+
+    - name: Report etcd snapshot result
+      ansible.builtin.debug:
+        msg: "{{ etcd_snap.stdout_lines }}"
+      when: inventory_hostname == "sninfr2lnxctl01"