docker挂载宿主机目录时的权限问题

在CENTOS7上挂载宿主机目录到容器中时,出现了目录拒绝访问的问题,尝试了修改文件夹权限及属主,都没用。在看了csdn的一篇文章后,恍然大悟。


解决方法

1.在运行容器的时候,给容器加特权,及加上 –privileged=true 参数:

docker run -i -t -v /soft:/soft –privileged=true 686672a1d0cc /bin/bash

2.关闭selinux:

setenforce 0

3.添加selinux规则,改变要挂载目录的安全文本

# 更改安全性文本的格式如下
chcon [-R] [-t type] [-u user] [-r role] 文件或者目录

选顷不参数: 
-R  :连同该目录下癿次目录也同时修改; 
-t  :后面接安全性本文的类型字段!例如 httpd_sys_content_t ; 
-u  :后面接身份识别,例如 system_u; 
-r  :后面街觇色,例如 system_r

[root@localhost Desktop]# chcon --help
Usage: chcon [OPTION]... CONTEXT FILE...
  or:  chcon [OPTION]... [-u USER] [-r ROLE] [-l RANGE] [-t TYPE] FILE...
  or:  chcon [OPTION]... --reference=RFILE FILE...
Change the SELinux security context of each FILE to CONTEXT.
With --reference, change the security context of each FILE to that of RFILE.

Mandatory arguments to long options are mandatory for short options too.
      --dereference      affect the referent of each symbolic link (this is
                         the default), rather than the symbolic link itself
  -h, --no-dereference   affect symbolic links instead of any referenced file
  -u, --user=USER        set user USER in the target security context
  -r, --role=ROLE        set role ROLE in the target security context
  -t, --type=TYPE        set type TYPE in the target security context
  -l, --range=RANGE      set range RANGE in the target security context
      --no-preserve-root  do not treat '/' specially (the default)
      --preserve-root    fail to operate recursively on '/'
      --reference=RFILE  use RFILE's security context rather than specifying
                         a CONTEXT value
  -R, --recursive        operate on files and directories recursively
  -v, --verbose          output a diagnostic for every file processed

The following options modify how a hierarchy is traversed when the -R
option is also specified.  If more than one is specified, only the final
one takes effect.

  -H                     if a command line argument is a symbolic link
                         to a directory, traverse it
  -L                     traverse every symbolic link to a directory
                         encountered
  -P                     do not traverse any symbolic links (default)

      --help     display this help and exit
      --version  output version information and exit

GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
For complete documentation, run: info coreutils 'chcon invocation'

在主机中修改/soft目录的安全性文档

[root@localhost Desktop]# chcon -Rt svirt_sandbox_file_t /soft

[root@ba471da26d07 soft]# ll
total 384264
-rw-r--r--. 1 root root 212046774 Aug  8 10:01 hadoop-2.7.2.tar.gz
-rw-r--r--. 1 root root 181435897 Aug  8 09:23 jdk-8u102-linux-x64.tar.gz

 

 

发表回复

您的电子邮箱地址不会被公开。 必填项已用 * 标注