add registry donfig

handlers/main.yml

@@ -5,3 +5,8 @@
   systemd:
     name: sshd
     state: restarted
+- name: reload_docker
+  become: true
+  systemd:
+    name: docker
+    state: reloaded

tasks/docker.yml

@@ -131,12 +131,10 @@
     state: directory
 - name: docker 配置
   become: true
-  copy:
-    content: |
-      {
-        "live-restore": true
-      }
+  template:
+    src: daemon.json.j2
     dest: /etc/docker/daemon.json
+  notify: reload_docker
 - name: docker 启动
   become: true
   systemd:

templates/daemon.json.j2

+{
+{% if registry is defined %}
+  "registry-mirrors": [
+    "{{registry}}"
+  ],
+{% endif %}
+  "live-restore": true
+}