chore(): improved core playbooks

validation.yaml

@@ -3,17 +3,16 @@
   hosts: servers
   gather_facts: true
   become: false
-  serial: "100%"
 
   tasks:
     - name: Verify SSH connectivity on custom port
+      tags: validation, networking
       ansible.builtin.wait_for:
         port: "{{ security_ssh_port | default(22) }}"
         host: "{{ ansible_host | default(inventory_hostname) }}"
         timeout: 60
         delay: 5
         state: started
-      tags: validation, networking
 
     - name: Check critical system services
       ansible.builtin.systemd:
@@ -22,39 +21,40 @@
         enabled: true
       loop:
         - ssh
-        - docker
         - fail2ban
-        - nftables
       tags: validation
-      ignore_errors: true
+      failed_when: false
 
     - name: Run comprehensive system health checks
+      tags: validation, health
       block:
         - name: Set root mount fact
           ansible.builtin.set_fact:
             root_mount: "{{ ansible_mounts | selectattr('mount', 'equalto', '/') | list | first }}"
-          tags: validation, health
-        
+
         - name: Check load average
-          ansible.builtin.shell: cat /proc/loadavg | awk '{print $1}'
+          ansible.builtin.command:
+            cmd: cat /proc/loadavg
           register: load_avg
           changed_when: false
-        
+
+        - name: Set load average value
+          ansible.builtin.set_fact:
+            load_avg_1m: "{{ load_avg.stdout.split()[0] }}"
+
         - name: Check Docker status
-          ansible.builtin.shell:
-            cmd: docker info >/dev/null 2>&1 && echo "healthy" || echo "unhealthy"
+          ansible.builtin.command:
+            cmd: docker info
           register: docker_status
           changed_when: false
-          ignore_errors: true
+          failed_when: false
 
         - name: Display comprehensive health status
+          tags: always, health
           ansible.builtin.debug:
             msg:
               - "Health check results for {{ inventory_hostname }}:"
               - "Disk usage: {{ ((root_mount.size_total - root_mount.size_available) / root_mount.size_total * 100) | round(2) }}%"
               - "Memory usage: {{ ((ansible_memtotal_mb - ansible_memfree_mb) / ansible_memtotal_mb * 100) | round(2) }}%"
-              - "Load average (1m): {{ load_avg.stdout }}"
-              - "Docker: {{ docker_status.stdout }}"
-          tags: always, health
-
-      tags: validation, health
+              - "Load average (1m): {{ load_avg_1m }}"
+              - "Docker: {{ 'healthy' if docker_status.rc == 0 else 'unavailable' }}"