Add support for [signed_url] secret_key

The option should be set appropriately to use signed url feature.

Change-Id: Ica173a668c69d007a3c73a9d0fdc8154d1f75a06

manifests/init.pp

@@ -1,6 +1,7 @@
 # == Class: zaqar
 #
-# Full description of class zaqar here.
+# This class installs the base zaqar package and configure the configuration
+# parameters common accross all zaqar services.
 #
 # === Parameters
 #

manifests/signed_url.pp

@@ -0,0 +1,20 @@
+# == Class: zaqar::signed_url
+#
+# Configure signed_url options
+#
+# === Parameters
+#
+# [*secret_key*]
+#  (Required) Secret key used to encrypt pre-signed URLs.
+#
+class zaqar::signed_url(
+  $secret_key,
+) {
+
+  include zaqar::deps
+
+  zaqar_config {
+    'signed_url/secret_key': value => $secret_key, secret => true;
+  }
+
+}

releasenotes/notes/signed_url-opts-1d7cf4a93860518c.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    The new ``zaqar::signed_url`` class has been added.

spec/classes/zaqar_signed_url_spec.rb

@@ -0,0 +1,29 @@
+require 'spec_helper'
+
+describe 'zaqar::signed_url' do
+  shared_examples 'zaqar::signed_url' do
+    let :params do
+      {
+        :secret_key => 'key'
+      }
+    end
+
+    context 'with defaults' do
+      it 'should configure defaults' do
+        is_expected.to contain_zaqar_config('signed_url/secret_key').with_value('key').with_secret(true)
+      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 'zaqar::signed_url'
+    end
+  end
+end