master-centos6/Dockerfile

   1 # Dockerfile for building Ansible image from source for CentOS 6, with as few additional software as possible.
   2 #
   3 # @see http://docs.ansible.com/ansible/intro_installation.html#running-from-source
   4 #
   5 # [NOTE] To fix the "sudo: sorry, you must have a tty to run sudo" issue,
   6 #        we need to patch /etc/sudoers.
   7 #        @see http://unix.stackexchange.com/questions/122616/why-do-i-need-a-tty-to-run-sudo-if-i-can-sudo-without-a-password
   8 #        @see https://bugzilla.redhat.com/show_bug.cgi?id=1020147
   9 #
  10 # Version  1.0
  11 #
  12
  13
  14 # pull base image
  15 FROM centos:centos6
  16
  17 MAINTAINER William Yeh <william.pjyeh@gmail.com>
  18
  19
  20 RUN echo "===> Installing EPEL..."   && \
  21     yum -y install epel-release      && \
  22     yum -y update                    && \
  23     \
  24     \
  25     echo "===> Installing initscripts to emulate normal OS behavior..."  && \
  26     yum -y install initscripts   && \
  27     \
  28     \
  29     echo "===> Adding Ansible's prerequisites..."  && \
  30     yum -y install \
  31                 gcc make  \
  32                 python python-devel python-pip                 \
  33                 libxml2 libxml2-devel libxslt libxslt-devel    \
  34                 git sudo curl                               && \
  35     pip install --upgrade pip  && \
  36     pip install --upgrade \
  37         pyyaml jinja2 pycrypto paramiko httplib2            && \
  38     \
  39     \
  40     echo "===> Downloading Ansible's source tree..."            && \
  41     git clone git://github.com/ansible/ansible.git --recursive  && \
  42     \
  43     \
  44     echo "===> Compiling Ansible..."      && \
  45     cd ansible                            && \
  46     bash -c 'source ./hacking/env-setup'  && \
  47     \
  48     \
  49     echo "===> Moving useful Ansible stuff to /opt/ansible ..."  && \
  50     mkdir -p /opt/ansible                && \
  51     mv /ansible/bin   /opt/ansible/bin   && \
  52     mv /ansible/lib   /opt/ansible/lib   && \
  53     mv /ansible/docs  /opt/ansible/docs  && \
  54     rm -rf /ansible                      && \
  55     \
  56     \
  57     echo "===> Disabling sudo 'requiretty' setting..."    && \
  58     sed -i -e 's/^\(Defaults\s*requiretty\)/#--- \1/'  /etc/sudoers  && \
  59     \
  60     \
  61     echo "===> Removing unused YUM resources..."          && \
  62     yum -y remove \
  63            epel-release python-devel python-pip gcc git   && \
  64     yum clean all                                         && \
  65     \
  66     \
  67     echo "===> Adding hosts for convenience..."    && \
  68     mkdir -p /etc/ansible                          && \
  69     echo -e '[local]\nlocalhost\n' > /etc/ansible/hosts
  70
  71
  72 ENV PATH        /opt/ansible/bin:$PATH
  73 ENV PYTHONPATH  /opt/ansible/lib:$PYTHONPATH
  74 ENV MANPATH     /opt/ansible/docs/man:$MANPATH
  75
  76
  77 # default command: display Ansible version
  78 CMD [ "ansible-playbook", "--version" ]