更新docker容器日志限制配置

04.docker.yml

@@ -1,4 +1,4 @@
 - hosts: kube-cluster
-  gather_facts: True
+  #gather_facts: True
   roles:
   - docker

roles/docker/files/daemon.json

@@ -1,4 +1,10 @@
 {
   "registry-mirrors": ["https://registry.docker-cn.com"], 
-  "max-concurrent-downloads": 6
+  "max-concurrent-downloads": 10,
+  "log-driver": "json-file",
+  "log-level": "warn",
+  "log-opts": {
+    "max-size": "10m",
+    "max-file": "3"
+    }
 }

roles/docker/templates/docker.service.j2

@@ -4,7 +4,7 @@ Documentation=http://docs.docker.io
 
 [Service]
 Environment="PATH={{ bin_dir }}:/bin:/sbin:/usr/bin:/usr/sbin"
-ExecStart={{ bin_dir }}/dockerd --log-level=error 
+ExecStart={{ bin_dir }}/dockerd 
 ExecStartPost=/sbin/iptables -I FORWARD -s 0.0.0.0/0 -j ACCEPT
 ExecReload=/bin/kill -s HUP $MAINPID
 Restart=on-failure