defaults/main.yml

@@ -60,3 +60,5 @@ docker_swarm_cluster_cadvisor_binary_path: /usr/local/bin/cadvisor
 docker_label_state_mode: merge
 docker_node_labels: []
 #  - { key: 'key_name', value: 'label_value' }
+
+docker_restart_daemon_cronjob: false

files/docker-restart-daemon.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+# docker daemon restart
+systemctl restart docker > /var/log/docker-restart.log 2>&1
+exit 0

tasks/docker_setup.yml

@@ -73,6 +73,39 @@
   when: docker_install
   tags: [docker, docker_prune_images]
 
+- name: Cron job that restart docker daemon daily
+  block:
+    - name: Install a script that restart the docker daemon
+      copy:
+        src: docker-restart-daemon.sh
+        dest: /usr/local/sbin/docker-restart-daemon
+        owner: root
+        group: root
+        mode: 0744
+
+    - name: Install a cron job that restart the docker daemon
+      cron:
+        name: Restart docker daemon
+        cron_file: docker-restart-daemon
+        special_time: daily
+        user: root
+        state: present
+        job: "/usr/local/sbin/docker-restart-daemon"
+      when: docker_restart_daemon_cronjob
+
+    - name: Disable the cron job that restart the docker daemon
+      cron:
+        name: Restart docker daemon
+        cron_file: docker-prune-images
+        special_time: daily
+        user: root
+        state: absent
+        job: "/usr/local/sbin/docker-restart-daemon"
+      when: not docker_restart_daemon_cronjob
+
+  when: docker_install
+  tags: [docker, docker_restart_daemon_cronjob]
+
 - block:
     - name: Remove the docker user
       user: name=docker state=absent