docker17.06.2-ce命令2（docker logs）

查看docker logs 帮助信息

[root@localhost ~]# docker logs --help

Usage:  docker logs [OPTIONS] CONTAINER 

Fetch the logs of a container # 获取容器日志

Options:
      --details        Show extra details provided to logs
  -f, --follow         Follow log output # 跟踪日志
      --help           Print usage
      --since string   Show logs since timestamp (e.g. 2013-01-02T13:23:37) or relative (e.g. 42m for 42 minutes) # 通过时间检索日志
      --tail string    Number of lines to show from the end of the logs (default "all") # 显示日志最后几行
  -t, --timestamps     Show timestamps # 日志显示用时间戳展示
[root@localhost ~]# 

docker logs -f 容器

跟踪容器日志,主要用于查看程序报错或者排查故障使用

image.png

docker logs --since 10m 容器

显示最新10分钟的日志

[root@localhost ~]# docker logs --since=10m 171401662b68
192.168.100.83 - - [13/Oct/2017:11:08:22 +0800] "GET /web/cms/view HTTP/1.1" 200 15757 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
192.168.100.83 - - [13/Oct/2017:11:08:23 +0800] "GET /web/cms/view HTTP/1.1" 200 15757 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
192.168.100.83 - - [13/Oct/2017:11:08:23 +0800] "GET /web/cms/view HTTP/1.1" 200 15757 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
192.168.100.83 - - [13/Oct/2017:11:08:24 +0800] "GET /web/cms/view HTTP/1.1" 200 15757 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
192.168.100.83 - - [13/Oct/2017:11:08:24 +0800] "GET /web/cms/view HTTP/1.1" 200 15757 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
192.168.100.83 - - [13/Oct/2017:11:08:24 +0800] "GET /web/cms/view HTTP/1.1" 200 15757 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
192.168.100.83 - - [13/Oct/2017:11:08:25 +0800] "GET /web/cms/view HTTP/1.1" 200 15757 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
192.168.100.83 - - [13/Oct/2017:11:08:25 +0800] "GET /web/cms/view HTTP/1.1" 200 15757 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
192.168.100.83 - - [13/Oct/2017:11:08:26 +0800] "GET /web/cms/view HTTP/1.1" 200 15757 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
[root@localhost ~]# 

docker logs --since='2017-10-13' 容器

显示2017-10-13日期的日志

[root@localhost ~]# docker logs --since='2017-10-13' 171401662b68
172.18.0.1 - - [13/Oct/2017:09:38:48 +0800] "GET /psc/dict/allDict HTTP/1.1" 200 11080 "-" "curl/7.55.0"
192.168.100.83 - - [13/Oct/2017:10:50:57 +0800] "GET / HTTP/1.1" 200 108356 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
192.168.100.83 - - [13/Oct/2017:10:50:58 +0800] "GET /favicon.ico HTTP/1.1" 404 139 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
192.168.100.83 - - [13/Oct/2017:10:53:28 +0800] "GET /web/cms/view HTTP/1.1" 200 15757 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
192.168.100.83 - - [13/Oct/2017:10:53:29 +0800] "GET /web/cms/favicon.ico HTTP/1.1" 404 138 "http://192.168.100.196:8083/web/cms/view" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
192.168.100.83 - - [13/Oct/2017:10:53:35 +0800] "GET / HTTP/1.1" 200 108349 "http://192.168.100.196:8083/web/cms/view" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
192.168.100.83 - - [13/Oct/2017:11:04:38 +0800] "GET /web/cms/view HTTP/1.1" 200 15757 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
192.168.100.83 - - [13/Oct/2017:11:05:50 +0800] "GET /web/cms/view HTTP/1.1" 200 15757 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
192.168.100.83 - - [13/Oct/2017:11:05:53 +0800] "GET /web/cms/view HTTP/1.1" 200 15757 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"

docker logs --tail=2 容器

显示最后几行日志

Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
[root@localhost ~]# docker logs --tail=2 171401662b68
192.168.100.83 - - [13/Oct/2017:11:08:25 +0800] "GET /web/cms/view HTTP/1.1" 200 15757 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
192.168.100.83 - - [13/Oct/2017:11:08:26 +0800] "GET /web/cms/view HTTP/1.1" 200 15757 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
[root@localhost ~]# 

docker logs -t --tail=2 容器

显示日志的时间戳

[root@localhost ~]# docker logs -t --tail=2 171401662b68
2017-10-13T03:08:25.689222590Z 192.168.100.83 - - [13/Oct/2017:11:08:25 +0800] "GET /web/cms/view HTTP/1.1" 200 15757 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
2017-10-13T03:08:26.147833583Z 192.168.100.83 - - [13/Oct/2017:11:08:26 +0800] "GET /web/cms/view HTTP/1.1" 200 15757 "http://192.168.100.196:8083/" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36 OPR/48.0.2685.35"
[root@localhost ~]# 

其他选项不太常用，没有深入研究