diff --git a/content/post/change-timezone-in-docker.md b/content/post/change-timezone-in-docker.md new file mode 100644 index 00000000..d437ca91 --- /dev/null +++ b/content/post/change-timezone-in-docker.md @@ -0,0 +1,149 @@ +--- +title: "[筆記] 修改 docker 容器內的時區 - Change Timezone in Docker" +date: 2019-05-21T17:25:15+08:00 + +noSummary: false +featuredImage: "https://h.cowbay.org/images/post-default-3.jpg" +categories: ['筆記'] +tags: ['docker','timezone'] +author: "Eric Chang" +--- + +最近一直在玩一些docker，不過老是會碰到歪果扔寫的東西，時區都不一致 + +有的用 UTC，有的用localtime，就是沒碰到用 Asia/Taipei 的.... + + +之前因為沒有要上線，所以這個問題可以當烏龜忽略過去 + +不過測試了一陣子的librenms 打算正式上線了 + +又不想重作一次，導致累積滿久的圖表資料都消失 + +所以開始找尋方法來面對這個問題 + +本來看了這篇 https://www.arthurtoday.com/2016/07/how-to-setup-docker-container-timezone-host.html + +想說來試試看好了 + +不過呢，一開始依照這篇的說明，在docker-compose.yml 內加入 +``` +web: + image: jarischaefer/docker-librenms + hostname: librenms + ports: + - "8001:80" + - "44301:443" + volumes: + - /etc/hosts:/etc/hosts + - /etc/localtime:/etc/localtime:ro + environment: + - TZ="Asia/Taipei" +``` + +重起之後沒作用 0rz + +於是我又加入了 + +``` + volumes: + - /etc/hosts:/etc/hosts + - /etc/localtime:/etc/localtime:ro + - /etc/timezone:/etc/timezone:ro +``` + +結果啟動直接報錯誤了.. + +看一下 log + +``` +May 21 09:09:12 bbs012 syslog-ng[12]: syslog-ng starting up; version='3.13.2' +*** Running /etc/my_init.d/librenms_100_cron... +*** Running /etc/my_init.d/librenms_101_ssl... +*** Running /etc/my_init.d/librenms_102_ipv6... +*** Running /etc/my_init.d/librenms_103_timezone... +/etc/my_init.d/librenms_103_timezone: line 4: /etc/timezone: Read-only file system +*** /etc/my_init.d/librenms_103_timezone failed with status 1 + +*** Killing all processes... +``` + +所以這個檔案不能改成 ro ，不過如果不能唯獨，那啟動docker的時候應該會被蓋掉吧？ + +先來看一下那個 librenms_103_timezone 在幹什麼好了 + +``` +docker exec -it librenms_web_1 cat /etc/my_init.d/librenms_103_timezone +#!/bin/bash -e + +if [ -n "$TZ" ]; then + ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone + + if [ ! -f /etc/php/7.3/cli/conf.d/100-timezone.ini ]; then + echo "date.timezone=$TZ" > /etc/php/7.3/cli/conf.d/100-timezone.ini + fi + + if [ ! -f /etc/php/7.3/fpm/conf.d/100-timezone.ini ]; then + echo "date.timezone=$TZ" > /etc/php/7.3/fpm/conf.d/100-timezone.ini + fi +fi +2019-05-21 17:33:46 [mini@s013 librenms]$ +``` + +OK ，這裡的確是用傳進來的 $TZ 在設定timezone 沒錯 + +可是我前面已經改過 docker-compose.yml + +有把 TZ帶進來了啊？再來確認一下 + +``` +docker exec -it librenms_web_1 cat /etc/timezone +"Asia/Taipei" + +``` + +咦，沒錯啊？ 欸斗，等等，那兩個 "" 有點刺眼... + +跟本機的比對一下看看 + +``` +2019-05-21 17:36:20 [mini@s013 librenms]$ docker exec -it librenms_web_1 cat /etc/timezone +"Asia/Taipei" +2019-05-21 17:36:23 [mini@s013 librenms]$ cat /etc/timezone +Asia/Taipei +2019-05-21 17:37:10 [mini@s013 librenms]$ +``` + +嗯，的確，本機的格式的確不包含那兩個 "" + +那就改掉再來試試看吧...改成底下這樣 + +``` + environment: + - TZ=Asia/Taipei + +``` + +重起 docker ，然後確認時間看看 + +``` +2019-05-21 17:39:00 [mini@s013 librenms]$ docker-compose down;docker-compose up -d +Stopping librenms_web_1 ... done +Stopping librenms_mysql_1 ... done +Removing librenms_web_1 ... done +Removing librenms_mysql_1 ... done +Removing network librenms_default +Creating network "librenms_default" with the default driver +Creating librenms_mysql_1 ... done +Creating librenms_web_1 ... done +2019-05-21 17:39:22 [mini@s013 librenms]$ docker exec -it librenms_web_1 cat /etc/timezone +Asia/Taipei +2019-05-21 17:39:42 [mini@s013 librenms]$ docker exec -it librenms_web_1 date +Tue May 21 17:39:48 CST 2019 +2019-05-21 17:39:48 [mini@s013 librenms]$ +``` + +OK ，果然沒有問題了！ + +雖然是小小的"" ，還是要特別注意啊！ + diff --git a/public/404.html b/public/404.html index 20276832..b9593594 100644 --- a/public/404.html +++ b/public/404.html @@ -115,6 +115,10 @@ @@ -153,7 +153,7 @@