Example commands

ansible

#assumes a deployer user exists on vagrant boxes with keys set up
#can also be run with `-u vagrant -k -K` if using sshpass

#entire config
ansible-playbook -i inventory/site.vagrant site-prod.yml -u deployer

#rerun a particular role
ansible-playbook -i inventory/site.vagrant site-prod.yml -u deployer --tags='nodejs'
ansible-playbook -i inventory/site.vagrant site-prod.yml -u deployer --tags='prince,fonts'
ansible-playbook -i inventory/site.vagrant site-prod.yml -u deployer --tags='hostname'

#install new version of ruby in rbenv after changing rbenv_ruby_version in vars/site.yml 
#(nginx is included because passenger needs to be recompiled)
ansible-playbook -i inventory/site.vagrant site-prod.yml -u deployer --tags='ruby,nginx' --extra-vars 'rbenv_reinit=true passenger_reinit=true'