remove docker dns

migrate-dns-back.yaml

+---
+  - hosts: rcloud
+    remote_user: root
+    become: true
+    vars:
+      proper_docker_config:
+        live-restore: true
+        log-driver: json-file
+        log-opts:
+          max-file: '1'
+          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'
+        register: docker_daemon
+      - name: read json
+        set_fact:
+          docker_daemon_config: '{{docker_daemon.stdout | from_json}}'
+      - name: docker config without registry-mirrors
+        set_fact:
+          target_docker_config: '{{ proper_docker_config }}'
+        when: not docker_daemon_config["registry-mirrors"] is defined
+      - name: registry mirror config
+        set_fact:
+          registry_mirror_config:
+            registry-mirrors: '{{ docker_daemon_config["registry-mirrors"] }}'
+        when: docker_daemon_config["registry-mirrors"] is defined
+      - name: docker config with registry-mirrors
+        set_fact:
+          target_docker_config: '{{ proper_docker_config | combine(registry_mirror_config) }}'
+        when: docker_daemon_config["registry-mirrors"] is defined
+      - name: write docker daemon
+        become: true
+        copy:
+          content: '{{ target_docker_config | to_nice_json(indent=2) }}'
+          dest: /etc/docker/daemon.json
+        register: docker_write_result
+      - name: restart docker for changes
+        become: true
+        systemd:
+          name: docker
+          state: restarted
+        when: docker_write_result.changed

tasks/resolve.yaml

@@ -8,27 +8,27 @@
       {% endfor %}
 
     dest: /etc/resolv.conf
-- name: read docker daemon
-  become: true
-  shell: 'cat /etc/docker/daemon.json'
-  register: docker_daemon
-- name: read json
-  set_fact:
-    docker_daemon_config: '{{docker_daemon.stdout | from_json}}'
-- name: add dns config to daemon
-  set_fact:
-    docker_dns_config:
-      dns:
-        - 127.0.0.1
-- name: write docker daemon
-  become: true
-  copy:
-    content: '{{docker_daemon_config | combine(docker_dns_config) | to_nice_json }}'
-    dest: /etc/docker/daemon.json
-  register: docker_write_result
-- name: restart docker for changes
-  become: true
-  systemd:
-    name: docker
-    state: restarted
-  when: docker_write_result.changed
+#- name: read docker daemon
+#  become: true
+#  shell: 'cat /etc/docker/daemon.json'
+#  register: docker_daemon
+#- name: read json
+#  set_fact:
+#    docker_daemon_config: '{{docker_daemon.stdout | from_json}}'
+#- name: add dns config to daemon
+#  set_fact:
+#    docker_dns_config:
+#      dns:
+#        - 127.0.0.1
+#- name: write docker daemon
+#  become: true
+#  copy:
+#    content: '{{docker_daemon_config | combine(docker_dns_config) | to_nice_json }}'
+#    dest: /etc/docker/daemon.json
+#  register: docker_write_result
+#- name: restart docker for changes
+#  become: true
+#  systemd:
+#    name: docker
+#    state: restarted
+#  when: docker_write_result.changed