Bootstrap Chef Solo on Ubuntu

bootstrap_chef.bash

#!/usr/bin/env bash
# call like this on the target server:
# CHEFREPO='git://github.com/paulsschwarz/vagrant-cookbooks.git' CHEF_ENV='production' bash <( curl -L https://raw.github.com/gist/2974764 )

set -e

export RUBYGEMS_VERSION="1.8.24"
export CHEF_DIR="${HOME}/chef"
sudo rm -rf $CHEF_DIR
mkdir -p "$CHEF_DIR"

echo "-- Update apt-get"

apt-get update

echo "-- Installing Packages"

yes | sudo apt-get install ruby ruby-dev libopenssl-ruby rdoc ri irb build-essential wget ssl-cert git-core

echo "-- Installing RubyGems"

if [[ ! (`command -v gem`) ]]; then
  cd /tmp
  wget -c http://production.cf.rubygems.org/rubygems/rubygems-$RUBYGEMS_VERSION.tgz
  tar zxf rubygems-$RUBYGEMS_VERSION.tgz
  cd rubygems-$RUBYGEMS_VERSION
  sudo ruby setup.rb --no-format-executable
fi

echo "-- Installing Chef gem"

if [[ ! (`command -v ohai` && `command -v chef-solo`) ]]; then
  sudo gem install chef ohai --no-ri --no-rdoc
fi

mkdir -p "$HOME/.chef"
cat <<EOF > $HOME/.chef/knife.rb
log_level                :info
log_location             STDOUT
node_name                '$NODENAME'
cookbook_path [ '$CHEF_DIR/cookbooks', '$CHEF_DIR/site-cookbooks' ]
cookbook_copyright "Cheftest Inc."
EOF

echo "-- Cloning repository"

cd $CHEF_DIR
git clone $CHEFREPO cookbooks
cd cookbooks
git submodule update --init --recursive

mkdir $CHEF_DIR/config

echo "-- Setting up chef config"

cat <<EOF > $CHEF_DIR/config/solo.rb
log_level                :info
data_bag_path "$CHEF_DIR/data_bags"
file_cache_path "$CHEF_DIR"
cookbook_path "$CHEF_DIR/cookbooks"
role_path "$CHEF_DIR/roles"
json_attribs "$CHEF_DIR/config/default.json"
EOF

cat <<EOF > $CHEF_DIR/config/default.json
{ 
  "chef_environment":"$CHEF_ENV", 
  "run_list":
  [
    "recipe[apt]",
    "recipe[apache2]",
    "recipe[php]",
    "recipe[mysql::server]"
  ]
}
EOF

printf "
=== Run the following ===
sudo chef-solo -c $CHEF_DIR/config/solo.rb

"

If the above was done under root then the run command will be:
$ sudo chef-solo -c /root/chef/config/solo.rb