1 files changed, 167 insertions, 0 deletions
diff --git a/chef/lib/chef/data_bag.rb b/chef/lib/chef/data_bag.rb
new file mode 100644
index 0000000000..e23ce04c83
--- /dev/null
+++ b/chef/lib/chef/data_bag.rb
@@ -0,0 +1,167 @@
+#
+# Author:: Adam Jacob (<adam@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 'chef/config'
+require 'chef/mixin/params_validate'
+require 'chef/mixin/from_file'
+require 'chef/couchdb'
+require 'chef/data_bag_item'
+require 'extlib'
+require 'json'
+
+class Chef
+  class DataBag 
+    
+    include Chef::Mixin::FromFile
+    include Chef::Mixin::ParamsValidate
+    
+    DESIGN_DOCUMENT = {
+      "version" => 2,
+      "language" => "javascript",
+      "views" => {
+        "all" => {
+          "map" => <<-EOJS
+          function(doc) { 
+            if (doc.chef_type == "data_bag") {
+              emit(doc.name, doc);
+            }
+          }
+          EOJS
+        },
+        "all_id" => {
+          "map" => <<-EOJS
+          function(doc) { 
+            if (doc.chef_type == "data_bag") {
+              emit(doc.name, doc.name);
+            }
+          }
+          EOJS
+        },
+        "entries" => {
+          "map" => <<-EOJS
+          function(doc) {
+            if (doc.chef_type == "data_bag_item") {
+              emit(doc.data_bag, doc.raw_data.id);
+            }
+          }
+          EOJS
+        }
+      }
+    }
+
+    attr_accessor :couchdb_rev 
+    
+    # Create a new Chef::DataBag
+    def initialize
+      @name = '' 
+      @couchdb_rev = nil
+      @couchdb = Chef::CouchDB.new 
+    end
+
+    def name(arg=nil) 
+      set_or_return(
+        :name,
+        arg,
+        :regex => /^[\-[:alnum:]_]+$/
+      )
+    end
+
+    def to_hash
+      result = {
+        "name" => @name,
+        'json_class' => self.class.name,
+        "chef_type" => "data_bag",
+      }
+      result["_rev"] = @couchdb_rev if @couchdb_rev
+      result
+    end
+
+    # Serialize this object as a hash 
+    def to_json(*a)
+      to_hash.to_json(*a)
+    end
+    
+    # Create a Chef::Role from JSON
+    def self.json_create(o)
+      bag = new
+      bag.name(o["name"])
+      bag.couchdb_rev = o["_rev"] if o.has_key?("_rev")
+      bag
+    end
+    
+    # List all the Chef::DataBag objects in the CouchDB.  If inflate is set to true, you will get
+    # the full list of all Roles, fully inflated.
+    def self.list(inflate=false)
+      couchdb = Chef::CouchDB.new
+      rs = couchdb.list("data_bags", inflate)
+      if inflate
+        rs["rows"].collect { |r| r["value"] }
+      else
+        rs["rows"].collect { |r| r["key"] }
+      end
+    end
+    
+    # Load a Data Bag by name from CouchDB
+    def self.load(name)
+      couchdb = Chef::CouchDB.new
+      couchdb.load("data_bag", name)
+    end
+    
+    # Remove this Data Bag from CouchDB
+    def destroy
+      removed = @couchdb.delete("data_bag", @name, @couchdb_rev)
+      rs = @couchdb.get_view("data_bags", "entries", :include_docs => true, :startkey => @name, :endkey => @name)
+      rs["rows"].each do |row|
+        row["doc"].couchdb = @couchdb
+        row["doc"].destroy
+      end
+      removed
+    end
+    
+    # Save this Data Bag to the CouchDB
+    def save
+      results = @couchdb.store("data_bag", @name, self)
+      @couchdb_rev = results["rev"]
+    end
+
+    # List all the items in this Bag
+    def list(inflate=false)
+      rs = nil 
+      if inflate
+        rs = @couchdb.get_view("data_bags", "entries", :include_docs => true, :startkey => @name, :endkey => @name)
+        rs["rows"].collect { |r| r["doc"].couchdb = @couchdb; r["doc"] }
+      else
+        rs = @couchdb.get_view("data_bags", "entries", :startkey => @name, :endkey => @name)
+        rs["rows"].collect { |r| r["value"] }
+      end
+    end
+    
+    # Set up our CouchDB design document
+    def self.create_design_document
+      couchdb = Chef::CouchDB.new
+      couchdb.create_design_document("data_bags", DESIGN_DOCUMENT)
+    end
+    
+    # As a string
+    def to_s
+      "data_bag[#{@name}]"
+    end
+
+  end
+end
+