Add ansible-playbook wrapper script

CHANGELOG.md

@@ -7,6 +7,7 @@ BACKWARDS INCOMPATIBILITIES
 
 IMPROVEMENTS
 
+* Add `ansible-playbook` wrapper script.
 * bootstrap: Use new GitHub.com URL for retrieving raw user content.
 * WS-10: source rvm script after ruby-bootstrap so that libarian-puppet is found (thanks neeleshs)
 * WS-6: Fix Puppet installation on latest Amazon Linux AMI when creating custom AMIs

ansible-playbook

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+#
+# File:         ansible-playbook
+# Description:  A simple wrapper around `ansible-playbook` that pre-configures several
+#               Ansible settings so that it works out of the box with
+#               Wirbelsturm/Vagrant.
+
+MYSELF=`basename $0`
+MY_DIR=`echo $(cd $(dirname $0); pwd)`
+. $MY_DIR/sh/common.sh
+
+ANSIBLE_PLAYBOOK_BIN="ansible-playbook"
+
+# Disable SSH host key verification.  Disabling the verification is usually
+# required because of the way Vagrant creates guest VMs (the host keys of
+# the VMs may change in between restarts).
+export ANSIBLE_HOST_KEY_CHECKING=False
+
+# This script queries Vagrant and parses wirbelsturm.yaml to compile a
+# dynamic inventory list of (running) hosts for Ansible.
+EXTERNAL_INVENTORY_SCRIPT="$MY_DIR/lib/ansible_inventory.rb"
+
+which $ANSIBLE_PLAYBOOK_BIN &> /dev/null
+if [ $? -ne 0 ]; then
+  error "Could not find '$ANSIBLE_PLAYBOOK_BIN'"
+  warn "Please install Ansible according to http://www.ansibleworks.com/docs/intro_installation.html"
+  warn "and then re-run ${MYSELF}"
+  exit 1
+fi
+
+$ANSIBLE_PLAYBOOK_BIN -i $EXTERNAL_INVENTORY_SCRIPT "$@"