auth_file: allow to change the path

Default path is /root/openrc. Some use-cases might want to change the
path.

Change-Id: I2e37e3e968f6885916c5632fc60368fca04cd434

manifests/auth_file.pp

@@ -64,6 +64,10 @@
 #   (optional) The method to use for authentication
 #   Defaults to 'keystone'.
 #
+# [*path*]
+#   (optional) File path
+#   Defaults to '/root/openrc'.
+#
 class openstack_extras::auth_file(
   $password                 = undef,
   $auth_url                 = 'http://127.0.0.1:5000/v2.0/',
@@ -79,11 +83,12 @@ class openstack_extras::auth_file(
   $nova_endpoint_type       = 'publicURL',
   $neutron_endpoint_type    = 'publicURL',
   $auth_strategy            = 'keystone',
+  $path                     = '/root/openrc',
 ) {
   if ! $password {
     fail('You must specify a password for openstack_extras::auth_file')
   }
-  file { '/root/openrc':
+  file { $path:
     owner   => 'root',
     group   => 'root',
     mode    => '0700',

spec/classes/openstack_extras_auth_file_spec.rb

@@ -83,4 +83,16 @@ describe 'openstack_extras::auth_file' do
       ])
     end
   end
+
+  describe "when the file is in /tmp" do
+
+    let :params do
+      {
+        :password => 'secret',
+        :path     => '/tmp/openrc'
+      }
+    end
+
+   it { should contain_file('/tmp/openrc')}
+  end
 end