add ntp

defaults/main.yml

@@ -16,6 +16,7 @@ kms_address: null
 squid_address: null
 apt_cacher_address: null
 sniproxy_address: null
+ntp_address: null
 smartdns_china_dns:
   - 114.114.114.114
   - 223.5.5.5

templates/docker-compose.yml.j2

@@ -78,3 +78,19 @@ services:
     volumes:
       - ./sni/nginx.conf:/etc/nginx/nginx.conf
 {% endif %}
+
+  ntp:
+    restart: always
+    image: cturra/ntp
+    environment:
+      NTP_SERVERS: ntp1.aliyun.com,ntp2.aliyun.com,ntp3.aliyun.com,ntp4.aliyun.com
+    cap_add:
+      - SYS_TIME
+    ports:
+{% if ntp_address %}
+{% for address in ntp_address %}
+      - '{{address}}:123:123/udp'
+{% endfor %}
+{% else %}
+      - '123:123/udp'
+{% endif %}