Added a class for managing quotas

Change-Id: I8663139fb88dd6f81a92e9680c8cfc632ac31b10

manifests/quota.pp

@@ -0,0 +1,18 @@
+# == Class: magnum::quota
+#
+# Setup magnum quota.
+#
+# === Parameters
+#
+# [*max_clusters_per_project*]
+#   (optional) Number of clusters allowed per project.
+#   Defaults to $::os_service_default.
+#
+class magnum::quota (
+  $max_clusters_per_project = $::os_service_default
+) {
+
+  magnum_config {
+    'quotas/max_clusters_per_project': value => $max_clusters_per_project;
+  }
+}

releasenotes/notes/add-quota_parameters-31a5e7d20fb98c85.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - Added global quota configuration parameter ``max_clusters_per_project``
+    to configure the ``quotas/max_clusters_per_project`` setting.
+  - Added new ``magnum::quota`` class for above and future magnum quotas.

spec/classes/magnum_quota_spec.rb

@@ -0,0 +1,47 @@
+
+require 'spec_helper'
+
+describe 'magnum::quota' do
+  let :default_params do
+    {
+      :max_clusters_per_project => '<SERVICE DEFAULT>',
+    }
+  end
+
+  let :params do
+    {}
+  end
+
+  shared_examples 'magnum quota' do
+
+    let :p do
+      default_params.merge(params)
+    end
+
+    it 'contains default values' do
+      is_expected.to contain_magnum_config('quotas/max_clusters_per_project').with_value(p[:max_clusters_per_project])
+    end
+
+    context 'configure quota with parameters' do
+      before :each do
+        params.merge!({ :max_clusters_per_project => 10 })
+      end
+
+      it 'contains overrided values' do
+        is_expected.to contain_magnum_config('quotas/max_clusters_per_project').with_value(p[:max_clusters_per_project])
+      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 quota'
+    end
+  end
+end