chef_configure.erb

# Chef configuration snippet
#
# Uses the following parameters:
#   - chef-validation-key: PEM-formatted validation key
#   - chef-url: URL to the Chef server, e.g. https://chef.example.com
#   - chef-runlist: comma-separated runlist, e.g. role[bootstrap],role[base]
#   - chef: when 'true', runs this snippet

<% if @host.param_true?('chef') %>
curl -L https://www.opscode.com/chef/install.sh | bash
chef-client -v
/opt/chef/embedded/bin/gem install chef_handler_foreman

mkdir -p /etc/chef
if [ ! -e /etc/chef/validation.pem ]; then
  cat > /etc/chef/validation.pem << EOF
<%= @host.params['chef-validation-key'] %>
EOF
fi

cat > /etc/chef/client.rb << EOF
log_level        :auto
log_location     STDOUT
chef_server_url  "<%= @host.params['chef-url'] %>"
validation_client_name "chef-validator"

require 'chef_handler_foreman'
foreman_server_options  :url => "<%= Setting['foreman_url'] %>"
foreman_facts_upload    true
foreman_reports_upload  true
EOF

cat > /etc/chef/bootstrap.json << EOF
{"run_list": <%= @host.params['chef-runlist'].split(',').inspect %> }
EOF
chef-client -j /etc/chef/bootstrap.json

<% end -%>

if you want to use with safe_mode rendering enabled, change Setting['foreman_url'] to foreman_url on line 28