From 02c349017570070ead3755fe15c34d1661cee1e2 Mon Sep 17 00:00:00 2001
From: William Yeh <william.pjyeh@gmail.com>
Date: Tue, 28 Apr 2015 23:38:41 +0800
Subject: Add: support for CentOS 7.

---
 centos7-onbuild/Dockerfile               | 50 ++++++++++++++++++++++++++++++++
 centos7-onbuild/ansible-playbook-wrapper | 30 +++++++++++++++++++
 2 files changed, 80 insertions(+)
 create mode 100644 centos7-onbuild/Dockerfile
 create mode 100755 centos7-onbuild/ansible-playbook-wrapper

(limited to 'centos7-onbuild')

diff --git a/centos7-onbuild/Dockerfile b/centos7-onbuild/Dockerfile
new file mode 100644
index 0000000..d668cba
--- /dev/null
+++ b/centos7-onbuild/Dockerfile
@@ -0,0 +1,50 @@
+# Dockerfile for building Ansible image for CentOS 7, with as few additional software as possible.
+#
+# @see http://docs.ansible.com/intro_installation.html#latest-release-via-yum
+#
+# [NOTE] To fix the "sudo: sorry, you must have a tty to run sudo" issue,
+#        we need to patch /etc/sudoers.
+#        @see http://unix.stackexchange.com/questions/122616/why-do-i-need-a-tty-to-run-sudo-if-i-can-sudo-without-a-password
+#        @see https://bugzilla.redhat.com/show_bug.cgi?id=1020147
+#
+# Version  1.0
+#
+
+
+# pull base image
+FROM centos:centos7
+
+MAINTAINER William Yeh <william.pjyeh@gmail.com>
+
+
+RUN echo "===> Installing EPEL..."        && \
+    yum -y install epel-release           && \
+    \
+    \
+    echo "===> Installing Ansible..."     && \
+    yum -y install ansible sudo           && \
+    \
+    \
+    echo "===> Disabling sudo 'requiretty' setting..."    && \
+    sed -i -e 's/^\(Defaults\s*requiretty\)/#--- \1/'  /etc/sudoers   && \
+    \
+    \
+    echo "===> Removing unused YUM resources..."   && \
+    yum -y remove epel-release                     && \
+    yum clean all                                  && \
+    \
+    \
+    echo "===> Adding hosts for convenience..."    && \
+    mkdir -p /etc/ansible                          && \
+    echo '[local]\nlocalhost\n' > /etc/ansible/hosts
+
+
+COPY ansible-playbook-wrapper /usr/local/bin/
+
+ONBUILD  WORKDIR /tmp
+ONBUILD  COPY  .  /tmp
+
+
+
+# default command: display Ansible version
+CMD [ "ansible-playbook", "--version" ]
diff --git a/centos7-onbuild/ansible-playbook-wrapper b/centos7-onbuild/ansible-playbook-wrapper
new file mode 100755
index 0000000..bf137c8
--- /dev/null
+++ b/centos7-onbuild/ansible-playbook-wrapper
@@ -0,0 +1,30 @@
+#!/bin/sh
+#
+# Simple wrapper for executing ansible-playbook with local connection.
+#
+# USAGE:
+#    ansible-playbook-wrapper  [other ansible-playbook arguments]
+#
+# ENVIRONMENT VARIABLES:
+# 
+#    - PLAYBOOK: playbook filename;   default = "playbook.yml"
+#    - INVENTORY: inventory filename; default = "/etc/ansible/hosts"
+# 
+
+
+if [ -z "$PLAYBOOK" ]; then
+    PLAYBOOK=playbook.yml
+fi
+
+
+if [ -z "$INVENTORY" ]; then
+    exec ansible-playbook        \
+       $PLAYBOOK                 \
+       --connection=local        \
+       "$@"
+else
+    exec ansible-playbook        \
+       -i $INVENTORY  $PLAYBOOK  \
+       --connection=local        \
+       "$@"
+fi
-- 
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