(erubis):5:in `block in evaluate': undefined local variable or method `chef_version' for #<Chef::Knife::Core::BootstrapContext:0x007f84e890eee8> (NameError)        from /Users/*/.rvm/gems/ruby-1.9.2-p180@chefdev/gems/erubis-2.7.0/lib/erubis/evaluator.rb:74:in `instance_eval'        from /Users/*/.rvm/gems/ruby-1.9.2-p180@chefdev/gems/erubis-2.7.0/lib/erubis/evaluator.rb:74:in `evaluate'        from /Users/*/.rvm/gems/ruby-1.9.2-p180@chefdev/gems/chef-0.10.2/lib/chef/knife/bootstrap.rb:132:in `render_template'        from /Users/*/.rvm/gems/ruby-1.9.2-p180@chefdev/gems/chef-0.10.2/lib/chef/knife/bootstrap.rb:187:in `ssh_command'        from /Users/*/.rvm/gems/ruby-1.9.2-p180@chefdev/gems/chef-0.10.2/lib/chef/knife/bootstrap.rb:169:in `knife_ssh'        from /Users/*/.rvm/gems/ruby-1.9.2-p180@chefdev/gems/chef-0.10.2/lib/chef/knife/bootstrap.rb:147:in `run'        from /Users/*/.rvm/gems/ruby-1.9.2-p180@chefdev/gems/chef-0.10.2/lib/chef/knife.rb:391:in `run_with_pretty_exceptions'        from /Users/*/.rvm/gems/ruby-1.9.2-p180@chefdev/gems/chef-0.10.2/lib/chef/knife.rb:166:in `run'        from /Users/*/.rvm/gems/ruby-1.9.2-p180@chefdev/gems/chef-0.10.2/lib/chef/application/knife.rb:128:in `run'        from /Users/*/.rvm/gems/ruby-1.9.2-p180@chefdev/gems/chef-0.10.2/bin/knife:25:in `<top (required)>'        from /Users/*/.rvm/gems/ruby-1.9.2-p180@chefdev/bin/knife:19:in `load'
        from /Users/*/.rvm/gems/ruby-1.9.2-p180@chefdev/bin/knife:19:in `<main>'