feat: 主机变量支持 - 每台主机独立BMC/IPMI配置

- 后端: inventory生成时写入主机自定义变量(host_vars)
- 前端: 主机编辑表单新增'主机变量'输入区(key=value格式)
- 模板: ipmitool-bmc改为读取主机变量，未配置时用默认值
- 示例: 每台主机设置 bmc_ip=10.10.10.x，Playbook自动区分
- 变量写入inventory: web ansible_host=... bmc_ip=10.10.10.1

internal/services/ansible.go

@@ -459,6 +459,10 @@ func (s *AnsibleService) updateInventoryFile() {
 				keyPath := s.resolveSSHKeyPath(h.SSHKey)
 				line += fmt.Sprintf(" ansible_ssh_private_key_file=%s", keyPath)
 			}
+			// 写入主机自定义变量（如 bmc_ip, bmc_user 等）
+			for k, v := range h.Vars {
+				line += fmt.Sprintf(" %s=%s", k, v)
+			}
 			lines = append(lines, line)
 		}
 		lines = append(lines, "")

internal/services/templates.go

@@ -1390,22 +1390,39 @@ func GetPlaybookTemplates() []PlaybookTemplate {
 			Description: "使用ipmitool配置服务器BMC/IPMI管理口IP地址",
 			Icon: "🔧", Tags: []string{"ipmi", "bmc", "ipmitool", "hardware"},
 			Content: `---
+# ============================================================
+# IPMI配置BMC地址
+# 使用方法:
+#   在主机管理中为每台主机设置变量，例如:
+#     bmc_ip=10.10.10.1
+#     bmc_netmask=255.255.255.0
+#     bmc_gateway=10.10.10.1
+#     bmc_user=admin
+#     bmc_password=Admin@123
+#   变量会写入inventory，本Playbook自动读取每台主机的值
+#   未设置的主机将使用下方默认值
+# ============================================================
 - name: IPMI配置BMC地址
   hosts: "{{ target_hosts | default('all') }}"
   become: yes
   vars:
-    # BMC网络配置
-    bmc_ip: "10.10.10.100"
-    bmc_netmask: "255.255.255.0"
-    bmc_gateway: "10.10.10.1"
-    # BMC用户配置
-    bmc_user: "admin"
-    bmc_password: "Admin@123"
+    # 默认值（主机变量会覆盖这些）
+    default_bmc_netmask: "255.255.255.0"
+    default_bmc_gateway: "10.10.10.1"
+    default_bmc_user: "admin"
+    default_bmc_password: "Admin@123"
     bmc_channel: 1
-    # 是否启用DHCP（设为true则忽略上面的静态IP配置）
+    # 是否启用DHCP（设为true则忽略静态IP配置）
     bmc_dhcp: false
 
   tasks:
+    - name: 检查BMC变量
+      assert:
+        that:
+          - bmc_ip is defined
+        fail_msg: "❌ 主机 {{ inventory_hostname }} 未配置 bmc_ip 变量，请在主机管理中设置"
+        success_msg: "✅ {{ inventory_hostname }} → BMC IP: {{ bmc_ip }}"
+
     - name: 安装ipmitool
       package:
         name: ipmitool
@@ -1439,11 +1456,11 @@ func GetPlaybookTemplates() []PlaybookTemplate {
       when: not bmc_dhcp
 
     - name: 配置BMC子网掩码
-      shell: ipmitool lan set {{ bmc_channel }} netmask {{ bmc_netmask }}
+      shell: ipmitool lan set {{ bmc_channel }} netmask {{ bmc_netmask | default(default_bmc_netmask) }}
       when: not bmc_dhcp
 
     - name: 配置BMC默认网关
-      shell: ipmitool lan set {{ bmc_channel }} defgw ipaddr {{ bmc_gateway }}
+      shell: ipmitool lan set {{ bmc_channel }} defgw ipaddr {{ bmc_gateway | default(default_bmc_gateway) }}
       when: not bmc_dhcp
 
     - name: 设置BMC为DHCP模式
@@ -1452,8 +1469,8 @@ func GetPlaybookTemplates() []PlaybookTemplate {
 
     - name: 配置BMC用户密码
       shell: |
-        ipmitool user set name {{ bmc_channel }} 2 {{ bmc_user }} 2>/dev/null || true
-        ipmitool user set password 2 {{ bmc_password }}
+        ipmitool user set name {{ bmc_channel }} 2 {{ bmc_user | default(default_bmc_user) }} 2>/dev/null || true
+        ipmitool user set password 2 {{ bmc_password | default(default_bmc_password) }}
         ipmitool user enable 2
         ipmitool channel setaccess {{ bmc_channel }} 2 privilege=4
       no_log: true
@@ -1467,12 +1484,12 @@ func GetPlaybookTemplates() []PlaybookTemplate {
     - name: 显示最终配置
       debug:
         msg: |
-          ═══════ BMC配置完成 ═══════
+          ═══════ {{ inventory_hostname }} BMC配置完成 ═══════
           模式: {{ 'DHCP' if bmc_dhcp else '静态IP' }}
           IP: {{ bmc_ip }}
-          掩码: {{ bmc_netmask }}
-          网关: {{ bmc_gateway }}
-          用户: {{ bmc_user }}
+          掩码: {{ bmc_netmask | default(default_bmc_netmask) }}
+          网关: {{ bmc_gateway | default(default_bmc_gateway) }}
+          用户: {{ bmc_user | default(default_bmc_user) }}
           ═══════════════════════════
           {{ bmc_verify.stdout }}
 `,

web/dist/index.html

@@ -845,6 +845,10 @@ async function openHostModal(id){
     </div>
     <div class="f-group" style="margin-bottom:4px"><label class="f-label">所属主机组（可多选）</label>
       <div class="chips" id="hf-groups">${S.groups.map(g=>`<span class="chip ${(h?.groups||[]).includes(g.name)?'on':''}" data-g="${esc(g.name)}">${esc(g.name)}</span>`).join('')||'<span class="f-hint" style="margin:0">暂无主机组，可在主机页右侧面板创建</span>'}</div>
+    </div>
+    <div class="f-group" style="margin-bottom:4px"><label class="f-label">主机变量（每行一个 key=value，如 bmc_ip=10.10.10.1）</label>
+      <textarea class="inp mono" id="hf-vars" rows="3" placeholder="bmc_ip=10.10.10.1&#10;bmc_user=admin&#10;bmc_password=Admin@123">${Object.entries(h?.vars||{}).map(([k,v])=>k+'='+v).join('\n')}</textarea>
+      <div class="f-hint">变量会写入 inventory，Playbook 中可用 {{ '{{' }} bmc_ip {{ '}}' }} 引用</div>
     </div>`,
     '',`<button class="btn btn-ghost" onclick="closeModal()">取消</button><button class="btn btn-primary" id="hf-save">${h?'保存修改':'添加主机'}</button>`);
   const seg=$('#hf-auth');
@@ -858,7 +862,8 @@ async function openHostModal(id){
     const auth=seg.querySelector('.on').dataset.v;
     const body={name,ip,port:+$('#hf-port').value||22,username:$('#hf-user').value.trim()||'root',auth_type:auth,
       password:auth==='password'?$('#hf-pwd').value:'',ssh_key:auth==='sshkey'?$('#hf-key').value:'',
-      groups:$$('#hf-groups .chip.on').map(c=>c.dataset.g)};
+      groups:$$('#hf-groups .chip.on').map(c=>c.dataset.g),
+      vars:Object.fromEntries($('#hf-vars').value.split('\n').map(l=>l.trim()).filter(l=>l&&!l.startsWith('#')).map(l=>{const i=l.indexOf('=');return i>0?[l.slice(0,i).trim(),l.slice(i+1).trim()]:null;}).filter(Boolean))};
     await withBtn($('#hf-save'),async()=>{
       if(h)await api(`/api/hosts/${h.id}`,{method:'PUT',body});
       else await api('/api/hosts',{method:'POST',body});