Add Ansible scripts for system management

ansible/ansible.cfg

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+[defaults]
+inventory = inventory.ini
+host_key_checking = False
+timeout = 30
+gathering = smart
+fact_caching = memory
+
+[ssh_connection]
+ssh_args = -o ControlMaster=auto -o ControlPersist=60s -o StrictHostKeyChecking=no
+pipelining = True

ansible/inventory.ini

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+[servers]
+# 添加您的服务器信息，例如:
+# server1 ansible_host=192.168.1.10 ansible_user=root
+# server2 ansible_host=192.168.1.11 ansible_user=ubuntu ansible_become=yes
+localhost ansible_connection=local
+
+[all:vars]
+ansible_ssh_common_args='-o StrictHostKeyChecking=no'

ansible/system-update.yml

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+---
+- name: System Update Playbook
+  hosts: all
+  become: yes
+  gather_facts: yes
+  
+  tasks:
+    - name: Update apt cache
+      apt:
+        update_cache: yes
+        cache_valid_time: 3600
+      when: ansible_os_family == "Debian"
+      
+    - name: Upgrade all packages
+      apt:
+        upgrade: yes
+        autoremove: yes
+        autoclean: yes
+      when: ansible_os_family == "Debian"
+      register: upgrade_result
+      
+    - name: Display upgrade results
+      debug:
+        msg: "System upgrade completed. {{ upgrade_result.changed }} packages were updated."
+        
+    - name: Check if reboot is required
+      stat:
+        path: /var/run/reboot-required
+      register: reboot_required
+      when: ansible_os_family == "Debian"
+      
+    - name: Notify if reboot is required
+      debug:
+        msg: "System reboot is required to complete the update."
+      when: reboot_required.stat.exists is defined and reboot_required.stat.exists