Conditionally use HTTPS based on platform_version

recipes/repository.rb

@@ -41,7 +41,9 @@
     name 'datadog'
     description 'datadog'
     url node['datadog']['yumrepo']
-    gpgkey 'https://yum.datadoghq.com/DATADOG_RPM_KEY.public'
+    # Older versions of yum embed M2Crypto with SSL that doesn't support TLS1.2
+    prefix = node['platform_version'].to_i < 6 ? 'http' : 'https'
+    gpgkey "#{prefix}://yum.datadoghq.com/DATADOG_RPM_KEY.public"
     action :add
   end
 end

spec/repository_spec.rb

@@ -0,0 +1,37 @@
+describe 'datadog::repository' do
+  context 'rhellions' do
+    describe 'on versions 5.x and lower' do
+      cached(:chef_run) do
+        ChefSpec::SoloRunner.new(
+          :platform => 'centos',
+          :version => '5.8'
+        ) do |node|
+          node.set['languages'] = { 'python' => { 'version' => '2.4.3' } }
+        end.converge described_recipe
+      end
+
+      it 'sets up a yum repo' do
+        expect(chef_run).to add_yum_repository('datadog').with(
+          gpgkey: 'http://yum.datadoghq.com/DATADOG_RPM_KEY.public'
+        )
+      end
+    end
+
+    describe 'on versions 6.x and higher' do
+      cached(:chef_run) do
+        ChefSpec::SoloRunner.new(
+          :platform => 'centos',
+          :version => '6.3'
+        ) do |node|
+          node.set['languages'] = { 'python' => { 'version' => '2.7.3' } }
+        end.converge described_recipe
+      end
+
+      it 'sets up a yum repo' do
+        expect(chef_run).to add_yum_repository('datadog').with(
+          gpgkey: 'https://yum.datadoghq.com/DATADOG_RPM_KEY.public'
+        )
+      end
+    end
+  end
+end