由于Centos6上的GMP软件包版本，可能出现错误

我有一个Dockerfile，它基于

CentOS

（标记：

centos6

）构建图像：

一切正常，直到Docker点击最后一行，然后我得到以下错误：

 [WARNING]: The version of gmp you have installed has a known issue regarding
timing vulnerabilities when used with pycrypto. If possible, you should update
it (ie. yum update gmp).


PLAY [all] ******************************************************************** 

GATHERING FACTS *************************************************************** 
Traceback (most recent call last):
  File "/usr/bin/ansible-playbook", line 317, in <module>
    sys.exit(main(sys.argv[1:]))
  File "/usr/bin/ansible-playbook", line 257, in main
    pb.run()
  File "/usr/lib/python2.6/site-packages/ansible/playbook/__init__.py", line 319, in run
    if not self._run_play(play):
  File "/usr/lib/python2.6/site-packages/ansible/playbook/__init__.py", line 620, in _run_play
    self._do_setup_step(play)
  File "/usr/lib/python2.6/site-packages/ansible/playbook/__init__.py", line 565, in _do_setup_step
    accelerate_port=play.accelerate_port,
  File "/usr/lib/python2.6/site-packages/ansible/runner/__init__.py", line 204, in __init__
    cmd = subprocess.Popen(['ssh','-o','ControlPersist'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
  File "/usr/lib64/python2.6/subprocess.py", line 642, in __init__
    errread, errwrite)
  File "/usr/lib64/python2.6/subprocess.py", line 1234, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory

Stderr from the command:

    package epel-release-6-8.noarch is already installed

---

确保要添加到

/home/root/ansible

的目录中存在文件

site.yml

和

hosts

请注意，您可以使用

WORKDIR

简化Dockerfile：

WORKDIR /home/root/ansible
RUN ansible-playbook -v -i hosts site.yml

---

对我来说，gmp似乎与问题无关。看起来

ssh

命令在我不存在的文件上失败了。我不确定在这种情况下该怎么办。我的

Dockerfile

相当基本，因此它不应该真正阻止ssh连接不？这个问题似乎来自ansible playbook本身。ansible playbook要查找的地方是否存在该

主机

文件？除此之外，一些更熟悉ansible的人（或者可能是docker，尽管我对此表示怀疑）需要加入进来。

- hosts: all

  pre_tasks:
    - shell: echo 'hello'

WORKDIR /home/root/ansible
RUN ansible-playbook -v -i hosts site.yml