4 files changed, 96 insertions, 0 deletions
diff --git a/lib/puppet/rails/database/004_add_inventory_service_tables.rb b/lib/puppet/rails/database/004_add_inventory_service_tables.rb
new file mode 100644
index 000000000..22298437a
--- /dev/null
+++ b/lib/puppet/rails/database/004_add_inventory_service_tables.rb
@@ -0,0 +1,36 @@
+class AddInventoryServiceTables < ActiveRecord::Migration
+  def self.up
+    unless ActiveRecord::Base.connection.tables.include?("inventory_hosts")
+      create_table :inventory_hosts do |t|
+        t.column :name, :string, :null => false
+        t.column :timestamp, :datetime, :null => false
+        t.column :updated_at, :datetime
+        t.column :created_at, :datetime
+      end
+
+      add_index :inventory_hosts, :name, :unique => true
+    end
+
+    unless ActiveRecord::Base.connection.tables.include?("inventory_facts")
+      create_table :inventory_facts, :id => false do |t|
+        t.column :inventory_host_id, :integer, :null => false
+        t.column :name, :string, :null => false
+        t.column :value, :text, :null => false
+      end
+
+      add_index :inventory_facts, [:inventory_host_id, :name], :unique => true
+    end
+  end
+
+  def self.down
+    unless ActiveRecord::Base.connection.tables.include?("inventory_hosts")
+      remove_index :inventory_hosts, :name
+      drop_table :inventory_hosts
+    end
+
+    if ActiveRecord::Base.connection.tables.include?("inventory_facts")
+      remove_index :inventory_facts, [:inventory_host_id, :name]
+      drop_table :inventory_facts
+    end
+  end
+end
diff --git a/lib/puppet/rails/database/schema.rb b/lib/puppet/rails/database/schema.rb
index 8b389d773..5e455d6c0 100644
--- a/lib/puppet/rails/database/schema.rb
+++ b/lib/puppet/rails/database/schema.rb
@@ -103,6 +103,23 @@ class Puppet::Rails::Schema
           t.column :created_at, :datetime
         end
         add_index :param_names, :name
+
+        create_table :inventory_hosts do |t|
+          t.column :name, :string, :null => false
+          t.column :timestamp, :datetime, :null => false
+          t.column :updated_at, :datetime
+          t.column :created_at, :datetime
+        end
+
+        add_index :inventory_hosts, :name, :unique => true
+
+        create_table :inventory_facts, :id => false do |t|
+          t.column :inventory_host_id, :integer, :null => false
+          t.column :name, :string, :null => false
+          t.column :value, :text, :null => false
+        end
+
+        add_index :inventory_facts, [:inventory_host_id, :name], :unique => true
       end
     end
   ensure
diff --git a/lib/puppet/rails/inventory_fact.rb b/lib/puppet/rails/inventory_fact.rb
new file mode 100644
index 000000000..ecb6e41ee
--- /dev/null
+++ b/lib/puppet/rails/inventory_fact.rb
@@ -0,0 +1,6 @@
+require 'puppet/rails/inventory_host'
+
+class Puppet::Rails::InventoryFact < ::ActiveRecord::Base
+  belongs_to :host, :class_name => "Puppet::Rails::InventoryHost"
+  serialize :value
+end
diff --git a/lib/puppet/rails/inventory_host.rb b/lib/puppet/rails/inventory_host.rb
new file mode 100644
index 000000000..10dd62083
--- /dev/null
+++ b/lib/puppet/rails/inventory_host.rb
@@ -0,0 +1,37 @@
+require 'puppet/rails/inventory_fact'
+
+class Puppet::Rails::InventoryHost < ::ActiveRecord::Base
+  has_many :facts, :class_name => "Puppet::Rails::InventoryFact", :dependent => :delete_all
+
+  named_scope :has_fact_with_value, lambda { |name,value|
+    {
+      :conditions => ["inventory_facts.name = ? AND inventory_facts.value = ?", name, value],
+      :joins => :facts
+    }
+  }
+
+  named_scope :has_fact_without_value, lambda { |name,value|
+    {
+      :conditions => ["inventory_facts.name = ? AND inventory_facts.value != ?", name, value],
+      :joins => :facts
+    }
+  }
+
+  named_scope :has_fact, lambda { |name|
+    {
+      :conditions => ["inventory_facts.name = ?", name],
+      :joins => :facts
+    }
+  }
+
+  def value_for(fact_name)
+    fact = facts.find_by_name(fact_name)
+    fact ? fact.value : nil
+  end
+
+  def facts_to_hash
+    facts.inject({}) do |fact_hash,fact|
+      fact_hash.merge(fact.name => fact.value)
+    end
+  end
+end