[puppet] parametrize dogapi version for puppet reporting.

manifests/init.pp

@@ -341,6 +341,7 @@
     class { 'datadog_agent::reports':
       api_key                   => $api_key,
       puppetmaster_user         => $puppetmaster_user,
+      dogapi_version            => $datadog_agent::params::dogapi_version,
       hostname_extraction_regex => $hostname_extraction_regex,
     }
   }

manifests/reports.pp

@@ -16,6 +16,7 @@
 class datadog_agent::reports(
   $api_key,
   $puppetmaster_user,
+  $dogapi_version,
   $hostname_extraction_regex = nil
 ) {
 
@@ -48,7 +49,7 @@
   }
 
   package{'dogapi':
-    ensure   => $datadog_agent::params::dogapi_version,
+    ensure   => $dogapi_version,
     provider => $gemprovider,
   }
 

spec/classes/datadog_agent_reports_spec.rb

@@ -1,15 +1,15 @@
 require 'spec_helper'
 
 describe 'datadog_agent::reports' do
-  let(:params) do
-    {
-      api_key: 'notanapikey',
-      hostname_extraction_regex: nil,
-      puppetmaster_user: 'puppet'
-    }
-  end
-
   context 'all supported operating systems' do
+    let(:params) do
+      {
+        api_key: 'notanapikey',
+        hostname_extraction_regex: nil,
+        puppetmaster_user: 'puppet',
+        dogapi_version: 'installed'
+      }
+    end
     ALL_OS.each do |operatingsystem|
       describe "datadog_agent class common actions on #{operatingsystem}" do
         let(:facts) do
@@ -53,4 +53,45 @@
       end
     end
   end
+  context 'specific dogapi version' do
+    let(:params) do
+      {
+        api_key: 'notanapikey',
+        hostname_extraction_regex: nil,
+        puppetmaster_user: 'puppet',
+        dogapi_version: '1.2.2'
+      }
+    end
+    describe "datadog_agent class dogapi version override" do
+      let(:facts) do
+        {
+          operatingsystem: 'Debian',
+          osfamily: 'debian'
+        }
+      end
+
+      it { should contain_class('ruby').with_rubygems_update(false) }
+      it { should contain_class('ruby::params') }
+      it { should contain_package('ruby').with_ensure('installed') }
+      it { should contain_package('rubygems').with_ensure('installed') }
+
+      it do
+        should contain_package('ruby-dev')\
+          .with_ensure('installed')\
+          .that_comes_before('Package[dogapi]')
+      end
+
+      it do
+        should contain_package('dogapi')\
+          .with_ensure('1.2.2')
+          .with_provider('gem')
+      end
+
+      it do
+        should contain_file('/etc/dd-agent/datadog.yaml')\
+          .with_owner('puppet')\
+          .with_group('root')
+      end
+    end
+  end
 end