irb(main):002:0> node = YAML.load_file("/cs/etc/node_metadata.yml")
=> {:nat_ip_addr=>"75.101.238.171", :domain=>"arch3.demo003.cloudscale.net", :vf_supplied_ip=>"10.251.170.191", :image_id=>"ami-1a41a473", :purpose=>"eg-single", :ace_fqdn=>"contower003.cloudscale.net", :vf_supplied_nat=>"75.101.238.171", :local_hostname=>"ip-10-251-170-191.ec2.internal", :ace_id=>"4a04e9f8-550c-46ae-95a0-fc13622479b6", :instance_id=>"i-1d6da174", :ip_addr=>"10.251.170.191", :node_id=>"e40a35b3-d9ff-439e-8374-95aae208336c", :node_fqdn=>"drone15.arch1.demo004.cloudscale.net", :public_ipv4=>"75.101.238.171", :local_ipv4=>"10.251.170.191", :public_hostname=>"ec2-75-101-238-171.compute-1.amazonaws.com", :contower_ip=>"216.121.16.103", :hostname=>"eg-single1"}