diskimage-builder/elements/os-config-applier/install.d/10-os-config-applier

#!/bin/bash
set -eux

install-packages git-core python-pip
pip install -U git+https://github.com/stackforge/os-config-applier.git

TEMPLATE_ROOT=$(os-config-applier --print-templates)
mkdir -p $TEMPLATE_ROOT

# Upstart
if [ -d /etc/init ] ; then
    cat > /etc/init/os-config-applier.conf <<eof
start on runlevel [2345]
task
exec os-config-applier
eof
# Systemd
elif [ -d /etc/systemd/system ] ; then
    cat > /etc/systemd/system/os-config-applier.service <<eof
[Unit]
Description=Apply configs from Heat metadata

[Service]
ExecStart=os-config-applier

[Install]
WantedBy=multi-user.target
eof
else
    echo "Only systems with systemd or upstart are supported."
    exit 1
fi