修改nginx的nameserver地址，从inventory文件中获取

@@ -5,7 +5,4 @@ dc : "yoho-qcloud"
 
 path: "/Data/local/openresty-1.9.15.1"
 
-# nameserver config for nginx
-nameservers: ''
-
 confirmation: ''

@@ -18,12 +18,6 @@
   when:  stat_result.stat.exists == False
 
 
-# make sure vaviable [nameserver] exist
-- name: "make sure variable [nameservers] exists"
-  fail: 
-    msg: "variable [nameservers] not exist "
-  when: nameservers == ''
-
 
 #  make sure group exists
 - name: make sure groups exist in inventory file
@@ -31,6 +25,7 @@
     msg: "group {{ item }} not exist!"
   when: item not in groups
   with_items:
+    - nameservers
     - java-nginx
     - java-gateway
     - java-brower

@@ -30,7 +30,7 @@ http
                         '$http_user_agent|$upstream_addr';
 
        # resolver: local dns servers
-       resolver   {% for i in  nameservers %}  {{ i }}   {% endfor %};
+       resolver   {% for i in  group['nameservers'] %}  {{ i }}   {% endfor %};
           
       
        #General Options