docker で ansibleコンテナ作ってlocalともう1台にpingするまで

Dockerfile

# Dockerfile
#
#
FROM centos:centos6
MAINTAINER tkni2005

ENV USER_NAME root
ENV USER_PASSWORD hogehoge

RUN yum clean all
RUN yum update -y
RUN yum install -y which rsyslog rsync cronie mailx
RUN cp /usr/share/zoneinfo/Japan /etc/localtime

# repos
RUN rpm -ivh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
RUN rpm -ivh http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el6.rf.x86_64.rpm
RUN rpm -ivh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm
RUN rpm -ivh http://repo.zabbix.com/zabbix/2.2/rhel/6/x86_64/zabbix-release-2.2-1.el6.noarch.rpm

# ssh
RUN yum install -y sudo passwd openssh openssh-clients openssh-server
RUN sed -i '/pam_loginuid\.so/s/required/optional/' /etc/pam.d/sshd
RUN echo "$USER_NAME:$USER_PASSWORD" | chpasswd

# ansible
RUN yum install -y ansible

# ec2-user
RUN useradd ec2-user
RUN mkdir /home/ec2-user/.ssh
RUN echo 'ssh-rsa AAAAB3NzaC1yc2EAAAA(略) hoge' > /home/ec2-user/.ssh/authorized_keys
RUN chown -R ec2-user.  /home/ec2-user/.ssh
RUN chmod 700  /home/ec2-user/.ssh 
RUN chmod 600  /home/ec2-user/.ssh/authorized_keys 
 
# hoge.pem
ADD hoge.pem /hoge.pem

# run     
RUN touch /bin/run ; chmod 755 /bin/run
RUN echo /etc/init.d/sshd start >> /bin/run
RUN echo ssh-agent bash >> /bin/run
          
EXPOSE 22/tcp

docker build

 docker build -t tkni2005/ansible .

docker run

docker run -t -i -p 2222:22 tkni2005/ansible /bin/bash

sshまわり設定

コンテナログイン後
bash-4.1# run
Generating SSH1 RSA host key:                              [  OK  ]
Generating SSH2 RSA host key:                              [  OK  ]
Generating SSH2 DSA host key:                              [  OK  ]
Starting sshd:                                             [  OK  ]
bash-4.1# 
bash-4.1# ssh-add /hoge.pem
Identity added: /hoge.pem (/hoge.pem)
bash-4.1# 

ansible hosts

bash-4.1# cat /etc/ansible/hosts 
10.101.0.68
127.0.0.1
bash-4.1#

ansible -m ping

bash-4.1# ansible all -uec2-user -m ping

paramiko: The authenticity of host '127.0.0.1' can't be established.
The ssh-rsa key fingerprint is f4a370547208cd59742523f2760217b9.
Are you sure you want to continue connecting (yes/no)?
yes

paramiko: The authenticity of host '10.101.0.68' can't be established.
The ssh-rsa key fingerprint is 129c632cb6ce3bc298fa19277938cbf5.
Are you sure you want to continue connecting (yes/no)?
yes
127.0.0.1 | success >> {
    "changed": false, 
    "ping": "pong"
}

10.101.0.68 | success >> {
    "changed": false, 
    "ping": "pong"
}

bash-4.1#