Use ifcfg script name in case DEVICE parameter is not specified on redhat network_config provider

lib/puppet/provider/network_config/redhat.rb

@@ -121,6 +121,12 @@ def self.parse_file(filename, contents)
     #
     props.merge!({:family => :inet})
 
+    # If there is no DEVICE property in the interface configuration we retrieve
+    # the interface name from the file name itself
+    unless props.has_key?(:name)
+        props.merge!({:name => filename.split("ifcfg-")[1]})
+    end
+
     # The FileMapper mixin expects an array of providers, so we return the
     # single interface wrapped in an array
     [props]

spec/fixtures/provider/network_config/redhat_spec/eth1-dhcp

@@ -0,0 +1,5 @@
+# Advanced Micro Devices [AMD] 79c970 [PCnet32 LANCE]
+BOOTPROTO=dhcp
+DHCPCLASS=
+HWADDR=00:50:56:B2:00:1B
+ONBOOT=yes

spec/unit/provider/network_config/redhat_spec.rb

@@ -319,6 +319,11 @@ def fixture_data(file)
       end
     end
 
+    describe 'when DEVICE is not present' do
+      let(:data) { described_class.parse_file('ifcfg-eth1', fixture_data('eth1-dhcp'))[0] }
+      it { data[:name].should == 'eth1' }
+    end
+
   end
 
   describe "when formatting resources" do
@@ -430,7 +435,7 @@ def fixture_data(file)
       File.expects(:unlink).never
       described_class.stubs(:perform_write)
       described_class.dirty_file!('/not/a/real/file')
-      described_class.flush_file('/not/a/real/file') 
+      described_class.flush_file('/not/a/real/file')
     }
   end
 end