你怎么能访问厨师LWRP属性在配方(How can you access Chef LWRP att

2019-10-20 14:00发布

随着一些默认的厨师资源，也可以访问他们的一些属性，它们被称为后

# recipes/default.rb
f = file "/tmp/file_resource" do
  owner "root"
  group "root"
  mode "0755"
  action :create
end

log "Path to my file is #{f.path}" # outputs "/tmp/file_resource"

这怎么能在一个自定义LWRP来实现（在这里就是一个例子）

# resources/default.rb
actions :create
default_action :create

attribute :relative_path, :kind_of => String, :name_attribute => true
attribute :full_path, :kind_of => String

在此提供程序，我试图更新的属性new_resource.full_path等于文件资源的路径

# providers/default.rb
action :create do

  f = file "/path/to/my/resource/#{new_resource.relative_path}" do
    owner "root"
    group "root"
    mode "0755"
    action :create
  end

  new_resource.full_path(f.path)
  new_resource.updated_by_last_action(f.updated_by_last_action?)
end

然而，当我尝试访问resource.full_path在配方，它是nil ，而不是预期的/path/to/my/resource/relative/path

# recipes/default.rb
resource = my_awesome_lwrp "relative/path" do
  action :create
end

log "Full path for my resource: #{resource.full_path}" # outputs "Full path for my resource:"

这个例子是虚构的，我知道，现实世界的应用程序/原因可以在默认的资源/供应商在这里可以看到https://github.com/peterjmit/chef-ssl-cert