Class: Chef::DataBag

Inherits:
Object
  • Object
show all
Includes:
Mixin::FromFile, Mixin::ParamsValidate
Defined in:
lib/chef/data_bag.rb

Constant Summary collapse

VALID_NAME =
/^[\.\-[:alnum:]_]+$/.freeze
RESERVED_NAMES =
/^(node|role|environment|client)$/.freeze

Instance Attribute Summary

Attributes included from Mixin::FromFile

#source_file

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Mixin::ParamsValidate

#lazy, #set_or_return, #validate

Methods included from Mixin::FromFile

#class_from_file, #from_file

Constructor Details

#initialize(chef_server_rest: nil) ⇒ DataBag

Create a new Chef::DataBag


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# File 'lib/chef/data_bag.rb', line 48

def initialize(chef_server_rest: nil)
  @name = ""
  @chef_server_rest = chef_server_rest
end

Class Method Details

.chef_server_restObject


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# File 'lib/chef/data_bag.rb', line 80

def self.chef_server_rest
  Chef::ServerAPI.new(Chef::Config[:chef_server_url])
end

.from_hash(o) ⇒ Object


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# File 'lib/chef/data_bag.rb', line 84

def self.from_hash(o)
  bag = new
  bag.name(o["name"])
  bag
end

.list(inflate = false) ⇒ Object


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# File 'lib/chef/data_bag.rb', line 90

def self.list(inflate = false)
  if Chef::Config[:solo_legacy_mode]
    paths = Array(Chef::Config[:data_bag_path])
    names = []
    paths.each do |path|
      unless File.directory?(path)
        raise Chef::Exceptions::InvalidDataBagPath, "Data bag path '#{path}' not found. Please create this directory."
      end

      names += Dir.glob(File.join(
        Chef::Util::PathHelper.escape_glob_dir(path), "*"
      )).map { |f| File.basename(f) }.sort
    end
    names.inject({}) { |h, n| h[n] = n; h }
  else
    if inflate
      # Can't search for all data bags like other objects, fall back to N+1 :(
      list(false).inject({}) do |response, bag_and_uri|
        response[bag_and_uri.first] = load(bag_and_uri.first)
        response
      end
    else
      Chef::ServerAPI.new(Chef::Config[:chef_server_url]).get("data")
    end
  end
end

.load(name) ⇒ Object

Load a Data Bag by name via either the RESTful API or local data_bag_path if run in solo mode


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# File 'lib/chef/data_bag.rb', line 118

def self.load(name)
  if Chef::Config[:solo_legacy_mode]
    paths = Array(Chef::Config[:data_bag_path])
    data_bag = {}
    paths.each do |path|
      unless File.directory?(path)
        raise Chef::Exceptions::InvalidDataBagPath, "Data bag path '#{path}' not found. Please create this directory."
      end

      Dir.glob(File.join(Chef::Util::PathHelper.escape_glob_dir(path, name.to_s), "*.json")).inject({}) do |bag, f|
        item = Chef::JSONCompat.parse(IO.read(f))

        # Check if we have multiple items with similar names (ids) and raise if their content differs
        if data_bag.key?(item["id"]) && data_bag[item["id"]] != item
          raise Chef::Exceptions::DuplicateDataBagItem, "Data bag '#{name}' has items with the same name '#{item["id"]}' but different content."
        else
          data_bag[item["id"]] = item
        end
      end
    end
    data_bag
  else
    Chef::ServerAPI.new(Chef::Config[:chef_server_url]).get("data/#{name}")
  end
end

.validate_name!(name) ⇒ Object


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# File 'lib/chef/data_bag.rb', line 38

def self.validate_name!(name)
  unless VALID_NAME.match?(name)
    raise Exceptions::InvalidDataBagName, "DataBags must have a name matching #{VALID_NAME.inspect}, you gave #{name.inspect}"
  end
  if RESERVED_NAMES.match?(name)
    raise Exceptions::InvalidDataBagName, "DataBags may not have a name matching #{RESERVED_NAMES.inspect}, you gave #{name.inspect}"
  end
end

Instance Method Details

#chef_server_restObject


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# File 'lib/chef/data_bag.rb', line 76

def chef_server_rest
  @chef_server_rest ||= Chef::ServerAPI.new(Chef::Config[:chef_server_url])
end

#createObject

create a data bag via RESTful API


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# File 'lib/chef/data_bag.rb', line 163

def create
  chef_server_rest.post("data", self)
  self
end

#destroyObject


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# File 'lib/chef/data_bag.rb', line 144

def destroy
  chef_server_rest.delete("data/#{@name}")
end

#name(arg = nil) ⇒ Object


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# File 'lib/chef/data_bag.rb', line 53

def name(arg = nil)
  set_or_return(
    :name,
    arg,
    regex: VALID_NAME
  )
end

#saveObject

Save the Data Bag via RESTful API


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# File 'lib/chef/data_bag.rb', line 149

def save
  begin
    if Chef::Config[:why_run]
      Chef::Log.warn("In why-run mode, so NOT performing data bag save.")
    else
      create
    end
  rescue Net::HTTPClientException => e
    raise e unless e.response.code == "409"
  end
  self
end

#to_hObject Also known as: to_hash


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# File 'lib/chef/data_bag.rb', line 61

def to_h
  {
    "name" => @name,
    "json_class" => self.class.name,
    "chef_type" => "data_bag",
  }
end

#to_json(*a) ⇒ Object

Serialize this object as a hash


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# File 'lib/chef/data_bag.rb', line 72

def to_json(*a)
  Chef::JSONCompat.to_json(to_h, *a)
end

#to_sObject

As a string


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# File 'lib/chef/data_bag.rb', line 169

def to_s
  "data_bag[#{@name}]"
end