Class: Chef::Provider::Link

Inherits:
Chef::Provider show all
Includes:
Mixin::ShellOut
Defined in:
lib/chef/provider/link.rb

Constant Summary

Constants included from Mixin::ShellOut

Mixin::ShellOut::DEPRECATED_OPTIONS

Instance Attribute Summary

Attributes inherited from Chef::Provider

#current_resource, #new_resource, #run_context

Instance Method Summary collapse

Methods included from Mixin::ShellOut

#run_command_compatible_options, #shell_out, #shell_out!

Methods inherited from Chef::Provider

#action_nothing, build_from_file, #cookbook_name, #initialize, #node, #resource_collection

Methods included from Mixin::ConvertToClassName

#convert_to_class_name, #convert_to_snake_case, #filename_to_qualified_string, #snake_case_basename

Methods included from Mixin::EnforceOwnershipAndPermissions

#enforce_ownership_and_permissions

Methods included from Mixin::RecipeDefinitionDSLCore

#method_missing

Methods included from Mixin::Language

#data_bag, #data_bag_item, #platform?, #platform_family?, #search, #value_for_platform, #value_for_platform_family

Constructor Details

This class inherits a constructor from Chef::Provider

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Chef::Mixin::RecipeDefinitionDSLCore

Instance Method Details

#action_create ⇒ Object 



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# File 'lib/chef/provider/link.rb', line 77

def action_create
  if @current_resource.to != ::File.expand_path(@new_resource.to, @new_resource.target_file)
    if @new_resource.link_type == :symbolic
      unless (file_class.symlink?(@new_resource.target_file) && file_class.readlink(@new_resource.target_file) == @new_resource.to)
        if file_class.symlink?(@new_resource.target_file) || ::File.exist?(@new_resource.target_file)
          ::File.unlink(@new_resource.target_file)
        end
        file_class.symlink(@new_resource.to,@new_resource.target_file)
        Chef::Log.debug("#{@new_resource} created #{@new_resource.link_type} link from #{@new_resource.to} -> #{@new_resource.target_file}")
        Chef::Log.info("#{@new_resource} created")
      end
    elsif @new_resource.link_type == :hard
      file_class.link(@new_resource.to, @new_resource.target_file)
      Chef::Log.debug("#{@new_resource} created #{@new_resource.link_type} link from #{@new_resource.to} -> #{@new_resource.target_file}")
      Chef::Log.info("#{@new_resource} created")
    end
    @new_resource.updated_by_last_action(true)
  end
  if @new_resource.link_type == :symbolic
    enforce_ownership_and_permissions
  end
end

#action_delete ⇒ Object 



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# File 'lib/chef/provider/link.rb', line 100

def action_delete
  if @new_resource.link_type == :symbolic
    if file_class.symlink?(@new_resource.target_file)
      ::File.delete(@new_resource.target_file)
      Chef::Log.info("#{@new_resource} deleted")
      @new_resource.updated_by_last_action(true)
    elsif ::File.exists?(@new_resource.target_file)
      raise Chef::Exceptions::Link, "Cannot delete #{@new_resource} at #{@new_resource.target_file}! Not a symbolic link."
    end
  elsif @new_resource.link_type == :hard
    if ::File.exists?(@new_resource.target_file)
       if ::File.exists?(@new_resource.to) && (file_class.stat(@current_resource.target_file).ino == file_class.stat(@new_resource.to).ino)
         ::File.delete(@new_resource.target_file)
         Chef::Log.info("#{@new_resource} deleted")
         @new_resource.updated_by_last_action(true)
       else
         raise Chef::Exceptions::Link, "Cannot delete #{@new_resource} at #{@new_resource.target_file}! Not a hard link."
       end
    end
  end
end

#file_class ⇒ Object 



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# File 'lib/chef/provider/link.rb', line 30

def file_class
  @host_os_file ||= if Chef::Platform.windows?
    require 'chef/win32/file'
    Chef::Win32::File
  else
    ::File
  end
end

#load_current_resource ⇒ Object 



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# File 'lib/chef/provider/link.rb', line 48

def load_current_resource
  @current_resource = Chef::Resource::Link.new(@new_resource.name)
  @current_resource.target_file(@new_resource.target_file)
  @current_resource.link_type(@new_resource.link_type)
  if @new_resource.link_type == :symbolic
    if ::File.exists?(@current_resource.target_file) && file_class.symlink?(@current_resource.target_file)
      @current_resource.to(
        ::File.expand_path(file_class.readlink(@current_resource.target_file))
      )
      cstats = ::File.lstat(@current_resource.target_file)
      @current_resource.owner(cstats.uid)
      @current_resource.group(cstats.gid)
    else
      @current_resource.to("")
    end
  elsif @new_resource.link_type == :hard
    if ::File.exists?(@current_resource.target_file) && ::File.exists?(@new_resource.to)
      if ::File.stat(@current_resource.target_file).ino == ::File.stat(@new_resource.to).ino
        @current_resource.to(@new_resource.to)
      else
        @current_resource.to("")
      end
    else
      @current_resource.to("")
    end
  end
  @current_resource
end