Add support for [certificates] storage_path option

... and also add unit test coverage of the certificates class.

Change-Id: Ice02e476895408a9373741b7395f28771e7109ad

manifests/certificates.pp

@@ -5,17 +5,23 @@
 # === Parameters:
 #
 # [*cert_manager_type*]
-#   (optional) Certificate Manager plugin. Defaults to barbican. (string value)
-#   Defaults to 'barbican'
+#   (optional) Certificate Manager plugin.
+#   Defaults to $facts['os_service_default']
+#
+# [*storage_path*]
+#   (optional) Absolute path of the certificate storage directory.
+#   Defaults to $facts['os_service_default']
 #
 class magnum::certificates (
   $cert_manager_type = $facts['os_service_default'],
+  $storage_path      = $facts['os_service_default'],
 ) {
 
   include magnum::deps
 
-  magnum_config { 'certificates/cert_manager_type':
-    value => $cert_manager_type;
+  magnum_config {
+    'certificates/cert_manager_type': value => $cert_manager_type;
+    'certificates/storage_path':      value => $storage_path;
   }
 
 }

releasenotes/notes/certificates-storage_path-727ecc140f814743.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    The new ``magnum::certificates::storage_path`` parameter has been added.

spec/classes/magnum_certificates_spec.rb

@@ -0,0 +1,38 @@
+
+require 'spec_helper'
+
+describe 'magnum::certificates' do
+  shared_examples 'magnum::certificates' do
+
+    it 'contains default values' do
+      is_expected.to contain_magnum_config('certificates/cert_manager_type').with_value('<SERVICE DEFAULT>')
+      is_expected.to contain_magnum_config('certificates/storage_path').with_value('<SERVICE DEFAULT>')
+    end
+
+    context 'configure certificates with parameters' do
+      let :params do
+        {
+          :cert_manager_type => 'barbican',
+          :storage_path      => '/var/lib/magnum/certificates/',
+        }
+      end
+
+      it 'contains overridden values' do
+        is_expected.to contain_magnum_config('certificates/cert_manager_type').with_value('barbican')
+        is_expected.to contain_magnum_config('certificates/storage_path').with_value('/var/lib/magnum/certificates/')
+      end
+    end
+  end
+
+  on_supported_os({
+    :supported_os   => OSDefaults.get_supported_os
+  }).each do |os,facts|
+    context "on #{os}" do
+      let (:facts) do
+        facts.merge(OSDefaults.get_facts({}))
+      end
+
+      it_behaves_like 'magnum::certificates'
+    end
+  end
+end