Enable official puppet repository and install puppet agent on freshly setuped Debian Wheezy systems.

install-puppet_agent.sh

#!/bin/bash

# Before installation read puppet requirements at
#   http://docs.puppetlabs.com/puppet/latest/reference/system_requirements.html
#
# Script is based on documentation at follow locations:
# - Links:
#  - http://docs.puppetlabs.com/puppet/4.0/reference/install_linux.html

set -e
set -o pipefail


# Latest list of availables code names look at https://apt.puppetlabs.com/
declare -r COLLECTION="pc1" # Puppet Collection 1
# GOTCHA: it finds out debian realse code name and use it.
declare -r CODE_NAME=`awk -F"[)(]+" '/VERSION=/ {print $2}' /etc/os-release`

declare -r DOWNLOAD_PATH="/tmp"
declare -r PUPPET_ENABLE_REPOSITORY_PACKAGE_NAME="puppetlabs-release-$COLLECTION-$CODE_NAME.deb"
declare -r PUPPET_REPOSITORY_PACKAGE_FILE_PATH="$DOWNLOAD_PATH/$PUPPET_ENABLE_REPOSITORY_PACKAGE_NAME"
declare -r PUPPET_ENABLE_REPOSITORY_PACKAGE_URL="https://apt.puppetlabs.com/$PUPPET_ENABLE_REPOSITORY_PACKAGE_NAME"
declare -r MASTER_PACKAGES="puppetserver"
declare -r AGENT_PACKAGES="puppet-agent"

echo "Downloading puppet's enable repository package file to $PUPPET_REPOSITORY_PACKAGE_FILE_PATH ... "
wget --output-document="$PUPPET_REPOSITORY_PACKAGE_FILE_PATH" "$PUPPET_ENABLE_REPOSITORY_PACKAGE_URL"

if [ ! -e "$PUPPET_REPOSITORY_PACKAGE_FILE_PATH" ] ; then
  echo "No puppet repository installation package($PUPPET_ENABLE_REPOSITORY_PACKAGE_URL) was downloaded."
  echo "Puppet's enable repository package has not been installed."
	exit 1
fi

dpkg -i "$PUPPET_REPOSITORY_PACKAGE_FILE_PATH"

echo "Removing downloaded puppet's enable repository package file($PUPPET_REPOSITORY_PACKAGE_FILE_PATH) ... "
rm "$PUPPET_REPOSITORY_PACKAGE_FILE_PATH"

apt-get update

apt-get install "$AGENT_PACKAGES"