Add preferred_servers feature.

This adds:

`preferred_servers` [Array]: The servers to prefer.

As requested by Erik Dalén!

1 files changed, 20 insertions, 0 deletions

diff --git a/spec/system/preferred_servers_spec.rb b/spec/system/preferred_servers_spec.rb
new file mode 100644
index 0000000..686861b
--- /dev/null
+++ b/spec/system/preferred_servers_spec.rb
@@ -0,0 +1,20 @@
+require 'spec_helper_system'
+
+describe 'preferred servers' do
+  it 'applies cleanly' do
+    puppet_apply(%{
+      class { '::ntp':
+        servers           => ['a', 'b', 'c', 'd'],
+        preferred_servers => ['c', 'd'],
+      }
+    })
+  end
+
+  describe file('/etc/ntp.conf') do
+    it { should be_file }
+    it { should contain 'server a' }
+    it { should contain 'server b' }
+    it { should contain 'server c prefer' }
+    it { should contain 'server d prefer' }
+  end
+end