Chef bootstrap script for ubuntu 12.04 LTS that actually works

ubuntu-12.04-lts.erb

bash -c '
<%= "export http_proxy=\"#{knife_config[:bootstrap_proxy]}\"" if knife_config[:bootstrap_proxy] -%>

if [ ! -f /usr/bin/chef-client ]; then
  apt-get update
  apt-get install -y libreadline5 libruby1.9.1 ruby1.9.1 ruby1.9.1-dev build-essential wget rubygems1.9.1
fi

LC_CTYPE=en_US.UTF-8 LANG=en_US.UTF-8 export LC_CTYPE LANG

gem update --system --no-rdoc --no-ri
gem install ohai --no-rdoc --no-ri --verbose
gem install chef --no-rdoc --no-ri --verbose <%= bootstrap_version_string %>

for binary in chef-client chef-solo knife ohai restclient shef
do
  update-alternatives --install /usr/bin/$binary $binary /usr/local/bin/$binary 10
done

mkdir -p /etc/chef

(
cat <<'EOP'
<%= validation_key %>
EOP
) > /tmp/validation.pem
awk NF /tmp/validation.pem > /etc/chef/validation.pem
rm /tmp/validation.pem

<% if @chef_config[:encrypted_data_bag_secret] -%>
(
cat <<'EOP'
<%= encrypted_data_bag_secret %>
EOP
) > /tmp/encrypted_data_bag_secret
awk NF /tmp/encrypted_data_bag_secret > /etc/chef/encrypted_data_bag_secret
rm /tmp/encrypted_data_bag_secret
<% end -%>

(
cat <<'EOP'
<%= config_content %>
EOP
) > /etc/chef/client.rb

(
cat <<'EOP'
<%= { "run_list" => @run_list }.to_json %>
EOP
) > /etc/chef/first-boot.json

/usr/bin/chef-client -j /etc/chef/first-boot.json -E <%= bootstrap_environment %>'