Class: Chef::ChefFS::FileSystem::CookbookFile

Inherits:
BaseFSObject show all
Defined in:
lib/chef/chef_fs/file_system/cookbook_file.rb

Instance Attribute Summary collapse

Attributes inherited from BaseFSObject

#name, #parent, #path

Instance Method Summary collapse

Methods inherited from BaseFSObject

#can_have_child?, #chef_object, #child, #children, #create_child, #delete, #dir?, #exists?, #path_for_printing, #root, #write

Constructor Details

#initialize(name, parent, file) ⇒ CookbookFile

Returns a new instance of CookbookFile.



27
28
29
30
 
# File 'lib/chef/chef_fs/file_system/cookbook_file.rb', line 27

def initialize(name, parent, file)
  super(name, parent)
  @file = file
end

Instance Attribute Details

#file ⇒ Object (readonly)

Returns the value of attribute file.



32
33
34
 
# File 'lib/chef/chef_fs/file_system/cookbook_file.rb', line 32

def file
  @file
end

Instance Method Details

#checksum ⇒ Object 



34
35
36
 
# File 'lib/chef/chef_fs/file_system/cookbook_file.rb', line 34

def checksum
  file[:checksum]
end

#compare_to(other) ⇒ Object 



59
60
61
62
63
64
65
66
67
68
69
70
71
72
 
# File 'lib/chef/chef_fs/file_system/cookbook_file.rb', line 59

def compare_to(other)
  other_value = nil
  if other.respond_to?(:checksum)
    other_checksum = other.checksum
  else
    begin
      other_value = other.read
    rescue Chef::ChefFS::FileSystem::NotFoundError
      return [ false, nil, :none ]
    end
    other_checksum = calc_checksum(other_value)
  end
  [ checksum == other_checksum, nil, other_value ]
end

#read ⇒ Object 



38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
 
# File 'lib/chef/chef_fs/file_system/cookbook_file.rb', line 38

def read
  begin
    tmpfile = rest.streaming_request(file[:url])
  rescue Timeout::Error => e
    raise Chef::ChefFS::FileSystem::OperationFailedError.new(:read, self, e), "Timeout reading #{file[:url]}: #{e}"
  rescue Net::HTTPServerException => e
    raise Chef::ChefFS::FileSystem::OperationFailedError.new(:read, self, e), "#{e.message} retrieving #{file[:url]}"
  end

  begin
    tmpfile.open
    tmpfile.read
  ensure
    tmpfile.close!
  end
end

#rest ⇒ Object 



55
56
57
 
# File 'lib/chef/chef_fs/file_system/cookbook_file.rb', line 55

def rest
  parent.rest
end