Class: Chef::ChefFS::FileSystem::RestListEntry

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

Direct Known Subclasses

DataBagItem

Instance Attribute Summary

Attributes inherited from BaseFSObject

#name, #parent, #path

Instance Method Summary collapse

Methods inherited from BaseFSObject

#can_have_child?, #child, #dir?, #path_for_printing, #root

Constructor Details

#initialize(name, parent, exists = nil) ⇒ RestListEntry

Returns a new instance of RestListEntry.



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# File 'lib/chef/chef_fs/file_system/rest_list_entry.rb', line 28

def initialize(name, parent, exists = nil)
  super(name, parent)
  @exists = exists
end

Instance Method Details

#api_path ⇒ Object 



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# File 'lib/chef/chef_fs/file_system/rest_list_entry.rb', line 33

def api_path
  if name.length < 5 || name[-5,5] != ".json"
    raise "Invalid name #{path}: must end in .json"
  end
  api_child_name = name[0,name.length-5]
  "#{parent.api_path}/#{api_child_name}"
end

#chef_object ⇒ Object 



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# File 'lib/chef/chef_fs/file_system/rest_list_entry.rb', line 72

def chef_object
  begin
    # REST will inflate the Chef object using json_class
    rest.get_rest(api_path)
  rescue Net::HTTPServerException
    if $!.response.code == "404"
      raise Chef::ChefFS::FileSystem::NotFoundError.new($!), "#{path_for_printing} not found"
    else
      raise
    end
  end
end

#compare_to(other) ⇒ Object 



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# File 'lib/chef/chef_fs/file_system/rest_list_entry.rb', line 85

def compare_to(other)
  begin
    other_value = other.read
  rescue Chef::ChefFS::FileSystem::NotFoundError
    return [ nil, nil, :none ]
  end
  begin
    value = chef_object.to_hash
  rescue Chef::ChefFS::FileSystem::NotFoundError
    return [ false, :none, other_value ]
  end
  are_same = (value == Chef::JSONCompat.from_json(other_value, :create_additions => false))
  [ are_same, Chef::JSONCompat.to_json_pretty(value), other_value ]
end

#delete(recurse) ⇒ Object 



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# File 'lib/chef/chef_fs/file_system/rest_list_entry.rb', line 56

def delete(recurse)
  begin
    rest.delete_rest(api_path)
  rescue Net::HTTPServerException
    if $!.response.code == "404"
      raise Chef::ChefFS::FileSystem::NotFoundError.new($!), "#{path_for_printing} not found"
    else
      raise
    end
  end
end

#environment ⇒ Object 



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# File 'lib/chef/chef_fs/file_system/rest_list_entry.rb', line 41

def environment
  parent.environment
end

#exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chef/chef_fs/file_system/rest_list_entry.rb', line 45

def exists?
  if @exists.nil?
    begin
      @exists = parent.children.any? { |child| child.name == name }
    rescue Chef::ChefFS::FileSystem::NotFoundError
      @exists = false
    end
  end
  @exists
end

#read ⇒ Object 



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# File 'lib/chef/chef_fs/file_system/rest_list_entry.rb', line 68

def read
  Chef::JSONCompat.to_json_pretty(chef_object.to_hash)
end

#rest ⇒ Object 



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# File 'lib/chef/chef_fs/file_system/rest_list_entry.rb', line 100

def rest
  parent.rest
end

#write(file_contents) ⇒ Object 



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# File 'lib/chef/chef_fs/file_system/rest_list_entry.rb', line 104

def write(file_contents)
  json = Chef::JSONCompat.from_json(file_contents).to_hash
  base_name = name[0,name.length-5]
  if json['name'] != base_name
    raise "Name in #{path_for_printing}/#{name} must be '#{base_name}' (is '#{json['name']}')"
  end
  begin
    rest.put_rest(api_path, json)
  rescue Net::HTTPServerException
    if $!.response.code == "404"
      raise Chef::ChefFS::FileSystem::NotFoundError.new($!), "#{path_for_printing} not found"
    else
      raise
    end
  end
end