gistfile1.txt

bash "generate_random_server_id" do
        user "root"
        code <<-EOH
        echo $RANDOM%900 | bc > /etc/mysql-server-id
        EOH
        not_if "test -f /etc/mysql-server-id"
end

ruby_block "reload_client_config" do
        block do
                server_id = IO.readlines('/etc/mysql-server-id','').to_s
                node.run_state[:mysql_id] = server_id
                Chef::Log.info("Server ID: #{server_id}")
        end 
        action :create
end

template "/etc/my.cnf" do
        source "my.cnf.erb"
        mode 0644
        variables(
                :server_id => node.run_state[:mysql_id]
        )   
end