作者:艺维网络传媒 | 来源:互联网 | 2023-01-17 15:57
我有一个运行nginx的/var/log/nginx
docker 容器,它正在将日志写入Logrotate安装在docker容器中,并且正确设置了nginx的logrotate配置文件.但是,logrotate不会自动旋转日志.手动强制日志旋转以logrotate -f /path/to/conf-file
按预期方式旋转日志.
我的结论是,某些东西并没有触发cron开火,但我找不到原因.
这是运行nginx 的docker容器的Dockerfile:
FROM nginx:1.11
# Remove sym links from nginx image
RUN rm /var/log/nginx/access.log
RUN rm /var/log/nginx/error.log
# Install logrotate
RUN apt-get update && apt-get -y install logrotate
# Copy MyApp nginx config
COPY config/nginx.conf /etc/nginx/nginx.conf
#Copy logrotate nginx configuration
COPY config/logrotate.d/nginx /etc/logrotate.d/
和docker-compose文件:
version: '2'
services:
nginx:
build: ./build
restart: always
ports:
- "80:80"
- "443:443"
volumes:
- ./auth:/etc/nginx/auth
- ./certs:/etc/nginx/certs
- ./conf:/etc/nginx/conf
- ./sites-enabled:/etc/nginx/sites-enabled
- ./web:/etc/nginx/web
- nginx_logs:/var/log/nginx
logging:
driver: "json-file"
options:
max-size: "100m"
max-file: "1"
volumes:
nginx_logs:
networks:
default:
external:
name: my-network
以下是:/etc/logrotate.d/nginx的内容
/var/log/nginx/*.log {
daily
dateext
missingok
rotate 30
compress
delaycompress
notifempty
create 0640 www-data adm
sharedscripts
prerotate
if [ -d /etc/logrotate.d/httpd-prerotate ]; then \
run-parts /etc/logrotate.d/httpd-prerotate; \
fi \
endscript
postrotate
[ -s /run/nginx.pid ] && kill -USR1 `cat /run/nginx.pid`
endscript
}
/etc/cron.daily/logrotate的内容
#!/bin/sh
test -x /usr/sbin/logrotate || exit 0
/usr/sbin/logrotate /etc/logrotate.conf
/etc/logrotate.conf的内容
# see "man logrotate" for details
# rotate log files weekly
weekly
# keep 4 weeks worth of backlogs
rotate 4
# create new (empty) log files after rotating old ones
create
# uncomment this if you want your log files compressed
#compress
# packages drop log rotation information into this directory
include /etc/logrotate.d
# no packages own wtmp, or btmp -- we'll rotate them here
/var/log/wtmp {
missingok
monthly
create 0664 root utmp
rotate 1
}
/var/log/btmp {
missingok
monthly
create 0660 root utmp
rotate 1
}
# system-specific logs may be configured here
有人能指出我正确的方向为什么nginx日志不会被logrotate自动旋转?
编辑
我可以将这个问题的根本原因追溯到没有在容器上运行的cron服务.一种可能的解决方案是找到一种方法使容器同时运行nginx和cron服务.
1> dazito..:
正如在我的问题编辑中所说,问题是CMD
从nginx:1.11
仅开始这个nginx
过程.解决方法是将以下命令放在我的Dockerfile上
CMD service cron start && nginx -g 'daemon off;'
这将启动nginx作为nginx:1.11
启动它以及启动cron服务.
Dockerfile看起来像:
FROM nginx:1.11
# Remove sym links from nginx image
RUN rm /var/log/nginx/access.log
RUN rm /var/log/nginx/error.log
# Install logrotate
RUN apt-get update && apt-get -y install logrotate
# Copy MyApp nginx config
COPY config/nginx.conf /etc/nginx/nginx.conf
#Copy logrotate nginx configuration
COPY config/logrotate.d/nginx /etc/logrotate.d/
# Start nginx and cron as a service
CMD service cron start && nginx -g 'daemon off;'
2> touchstone..:
我从此链接中找到了一种方法,其核心思想是logrotate
在外部使用,并且conf如下所示:
$ sudo vi /etc/logrotate.d/test
/home/test/logs/*log {
rotate 90
missingok
ifempty
sharedscripts
compress
postrotate
docker exec -it nginx-test systemctl reload nginx > /dev/null 2>/dev/null || true
endscript
}