add backup dnses

migrate-dns-back.yaml

@@ -11,16 +11,6 @@
           max-size: '1g'
         # registry-mirrors
     tasks:
-      - name: set resolv.conf
-        become: true
-        copy:
-          content: |
-            nameserver 127.0.0.1
-            {% for dns in smartdns.china_dns %}
-            nameserver {{dns}}
-            {% endfor %}
-
-          dest: /etc/resolv.conf
       - name: read docker daemon
         become: true
         shell: 'cat /etc/docker/daemon.json'

tasks/resolve.yaml

@@ -3,6 +3,11 @@
   copy:
     content: |
       nameserver 127.0.0.1
+      {% for br in bridges %}
+      {% if not (br.masq is defined and br.masq) and br.address is defined and br.address %}
+      nameserver {{ br.address | regex_replace("/\d+$", "") }}
+      {% endif %}
+      {% endfor %}
       {% for dns in smartdns.china_dns %}
       nameserver {{dns}}
       {% endfor %}