Allow configuration of trust notifier

To be able to use the trust notifier, we need to fill the trustee
section in the configuration.

Change-Id: Ibba7af4983303f3b85aa399f77391ba6bc984e8d

manifests/init.pp

@@ -96,6 +96,7 @@ class zaqar(
 
   if $auth_strategy == 'keystone' {
     include ::zaqar::keystone::authtoken
+    include ::zaqar::keystone::trust
   }
 
   package { 'zaqar-common':

manifests/keystone/trust.pp

@@ -0,0 +1,51 @@
+# == Class: zaqar::keystone::trust
+#
+# Configures zaqar trust notifier.
+#
+# === Parameters
+#
+# [*username*]
+#   (Optional) The name of the trust user
+#   Defaults to 'zaqar'
+#
+# [*password*]
+#   (Optional) Password to create for the trust user
+#   Defaults to $::os_service_default
+#
+# [*auth_url*]
+#   (Optional) The URL to use for authentication.
+#   Defaults to 'http://localhost:35357'
+#
+# [*user_domain_name*]
+#   (Optional) Name of domain for $username
+#   Defaults to $::os_service_default
+#
+# [*auth_section*]
+#   (Optional) Config Section from which to load plugin specific options
+#   Defaults to $::os_service_default.
+#
+# [*auth_type*]
+#   (Optional) Authentication type to load
+#   Defaults to 'password'
+#
+class zaqar::keystone::trust(
+  $username                       = 'zaqar',
+  $password                       = $::os_service_default,
+  $auth_url                       = 'http://localhost:35357',
+  $user_domain_name               = $::os_service_default,
+  $auth_section                   = $::os_service_default,
+  $auth_type                      = 'password',
+) {
+
+  include ::zaqar::deps
+
+  zaqar_config {
+    'trustee/username': value => $username;
+    'trustee/password': value => $password;
+    'trustee/user_domain_name': value => $user_domain_name;
+    'trustee/auth_url': value => $auth_url;
+    'trustee/auth_section': value => $auth_section;
+    'trustee/auth_type': value => $auth_type;
+  }
+
+}

spec/classes/zaqar_keystone_trust_spec.rb

@@ -0,0 +1,41 @@
+require 'spec_helper'
+
+describe 'zaqar::keystone::trust' do
+
+  shared_examples_for 'zaqar::keystone::trust' do
+    describe 'with custom values' do
+      let :params do
+        {
+          :username  => 'user',
+          :password  => 'secret',
+          :auth_url  => 'http://there',
+          :user_domain_name  => 'domain',
+          :auth_section  => 'keystone',
+          :auth_type  => 'token',
+        }
+      end
+
+      it 'configures custom values' do
+        is_expected.to contain_zaqar_config('trustee/username').with_value('user')
+        is_expected.to contain_zaqar_config('trustee/password').with_value('secret')
+        is_expected.to contain_zaqar_config('trustee/auth_url').with_value('http://there')
+        is_expected.to contain_zaqar_config('trustee/user_domain_name').with_value('domain')
+        is_expected.to contain_zaqar_config('trustee/auth_section').with_value('keystone')
+        is_expected.to contain_zaqar_config('trustee/auth_type').with_value('token')
+      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_configures 'zaqar::keystone::trust'
+    end
+  end
+end
+