[OC-3564] move core Chef to the repo root \o/ \m/

The opscode/chef repository now only contains the core Chef library code
used by chef-client, knife and chef-solo!

1 files changed, 214 insertions, 0 deletions

diff --git a/lib/chef/data_bag_item.rb b/lib/chef/data_bag_item.rb
new file mode 100644
index 0000000000..3528ba724a
--- /dev/null
+++ b/lib/chef/data_bag_item.rb
@@ -0,0 +1,214 @@
+#
+# Author:: Adam Jacob (<adam@opscode.com>)
+# Author:: Nuo Yan (<nuo@opscode.com>)
+# Author:: Christopher Brown (<cb@opscode.com>)
+# Copyright:: Copyright (c) 2009 Opscode, Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+require 'forwardable'
+
+require 'chef/config'
+require 'chef/mixin/params_validate'
+require 'chef/mixin/from_file'
+require 'chef/data_bag'
+require 'chef/mash'
+require 'chef/json_compat'
+
+class Chef
+  class DataBagItem
+
+    extend Forwardable
+
+    include Chef::Mixin::FromFile
+    include Chef::Mixin::ParamsValidate
+
+    VALID_ID = /^[\-[:alnum:]_]+$/
+
+    def self.validate_id!(id_str)
+      if id_str.nil? || ( id_str !~ VALID_ID )
+        raise Exceptions::InvalidDataBagItemID, "Data Bag items must have an id matching #{VALID_ID.inspect}, you gave: #{id_str.inspect}"
+      end
+    end
+
+    # Define all Hash's instance methods as delegating to @raw_data
+    def_delegators(:@raw_data, *(Hash.instance_methods - Object.instance_methods))
+
+    attr_reader :raw_data
+
+    # Create a new Chef::DataBagItem
+    def initialize
+      @data_bag = nil
+      @raw_data = Mash.new
+    end
+
+    def chef_server_rest
+      Chef::REST.new(Chef::Config[:chef_server_url])
+    end
+
+    def self.chef_server_rest
+      Chef::REST.new(Chef::Config[:chef_server_url])
+    end
+
+    def raw_data
+      @raw_data
+    end
+
+    def validate_id!(id_str)
+      self.class.validate_id!(id_str)
+    end
+
+    def raw_data=(new_data)
+      unless new_data.respond_to?(:[]) && new_data.respond_to?(:keys)
+        raise Exceptions::ValidationFailed, "Data Bag Items must contain a Hash or Mash!"
+      end
+      validate_id!(new_data["id"])
+      @raw_data = new_data
+    end
+
+    def data_bag(arg=nil)
+      set_or_return(
+        :data_bag,
+        arg,
+        :regex => /^[\-[:alnum:]_]+$/
+      )
+    end
+
+    def name
+      object_name
+    end
+
+    def object_name
+      raise Exceptions::ValidationFailed, "You must have an 'id' or :id key in the raw data" unless raw_data.has_key?('id')
+      raise Exceptions::ValidationFailed, "You must have declared what bag this item belongs to!" unless data_bag
+
+      id = raw_data['id']
+      "data_bag_item_#{data_bag}_#{id}"
+    end
+
+    def self.object_name(data_bag_name, id)
+      "data_bag_item_#{data_bag_name}_#{id}"
+    end
+
+    def to_hash
+      result = self.raw_data
+      result["chef_type"] = "data_bag_item"
+      result["data_bag"] = self.data_bag
+      result
+    end
+
+    # Serialize this object as a hash
+    def to_json(*a)
+      result = {
+        "name" => self.object_name,
+        "json_class" => self.class.name,
+        "chef_type" => "data_bag_item",
+        "data_bag" => self.data_bag,
+        "raw_data" => self.raw_data
+      }
+      result.to_json(*a)
+    end
+
+    def self.from_hash(h)
+      item = new
+      item.raw_data = h
+      item
+    end
+
+    # Create a Chef::DataBagItem from JSON
+    def self.json_create(o)
+      bag_item = new
+      bag_item.data_bag(o["data_bag"])
+      o.delete("data_bag")
+      o.delete("chef_type")
+      o.delete("json_class")
+      o.delete("name")
+
+      bag_item.raw_data = Mash.new(o["raw_data"])
+      bag_item
+    end
+
+    # Load a Data Bag Item by name via either the RESTful API or local data_bag_path if run in solo mode
+    def self.load(data_bag, name)
+      if Chef::Config[:solo]
+        bag = Chef::DataBag.load(data_bag)
+        item = bag[name]
+      else
+        item = Chef::REST.new(Chef::Config[:chef_server_url]).get_rest("data/#{data_bag}/#{name}")
+      end
+
+      if item.kind_of?(DataBagItem)
+        item
+      else
+        item = from_hash(item)
+        item.data_bag(data_bag)
+        item
+      end
+    end
+
+    def destroy(data_bag=data_bag, databag_item=name)
+      chef_server_rest.delete_rest("data/#{data_bag}/#{databag_item}")
+    end
+
+    # Save this Data Bag Item via RESTful API
+    def save(item_id=@raw_data['id'])
+      r = chef_server_rest
+      begin
+        if Chef::Config[:why_run]
+          Chef::Log.warn("In whyrun mode, so NOT performing data bag item save.")
+        else
+          r.put_rest("data/#{data_bag}/#{item_id}", self)
+        end
+      rescue Net::HTTPServerException => e
+        raise e unless e.response.code == "404"
+        r.post_rest("data/#{data_bag}", self)
+      end
+      self
+    end
+
+    # Create this Data Bag Item via RESTful API
+    def create
+      chef_server_rest.post_rest("data/#{data_bag}", self)
+      self
+    end
+
+    def ==(other)
+      other.respond_to?(:to_hash) &&
+      other.respond_to?(:data_bag) &&
+      (other.to_hash == to_hash) &&
+      (other.data_bag.to_s == data_bag.to_s)
+    end
+
+    # As a string
+    def to_s
+      "data_bag_item[#{id}]"
+    end
+
+    def inspect
+      "data_bag_item[#{data_bag.inspect}, #{raw_data['id'].inspect}, #{raw_data.inspect}]"
+    end
+
+    def pretty_print(pretty_printer)
+      pretty_printer.pp({"data_bag_item('#{data_bag}', '#{id}')" => self.to_hash})
+    end
+
+    def id
+      @raw_data['id']
+    end
+
+  end
+end
+
+