如何在Chef中编写带有外部cookbook_files的食谱？(How to write a cookbook with external cookbook_files in Chef?)

 如果您希望通过cookbook_file资源访问该files ，则该文件应位于cookbook的files子目录中。 如果要从其他位置获取文件，则需要使用remote_file 。 （不要在你的食谱中设置node[:nginx][:ssl_file_location] 。） 
 
cookbook_file filename do
  [...]
  only_if { node[:nginx][:ssl_file_location].nil? }
end

remote_file ::File.join( node[:nginx][:ssl_file_location].to_s, filename ) do
  [...]
  not_if { node[:nginx][:ssl_file_location].nil? }
end
 
 当需要设置ssl_file_location时，他可以创建一个attributes.json文件： 
 
{ "nginx": { "ssl_file_location" : "[my location]" } }
 
 并运行厨师客户： 
 
chef-client --json-attributes attributes.json
 
 编辑： 
 
 如果ssh_files实际上在其他一些食谱中，那么你可以使用cookbook_file，但你必须提供这样的cookbook属性： 
 
cookbook_file filename do
  [...]
  cookbook 'cookbook_name_where_to_look'
end

A file should be in files subdirectory of the cookbook, if you want it to be accessible through cookbook_file resource. If you want to get the file from somewhere else, you need to use remote_file. (Do not set node[:nginx][:ssl_file_location] in your cookbook.)
 
cookbook_file filename do
  [...]
  only_if { node[:nginx][:ssl_file_location].nil? }
end

remote_file ::File.join( node[:nginx][:ssl_file_location].to_s, filename ) do
  [...]
  not_if { node[:nginx][:ssl_file_location].nil? }
end
 
When one needs to set ssl_file_location, he can create a attributes.json file:
 
{ "nginx": { "ssl_file_location" : "[my location]" } }
 
and run chef client:
 
chef-client --json-attributes attributes.json
 
Edit:
 
If ssh_files are actually in some other cookbook, then you can use cookbook_file, but you must provide cookbook attribute like that:
 
cookbook_file filename do
  [...]
  cookbook 'cookbook_name_where_to_look'
end