Add support for healthcheck middleware options

Change-Id: I0f81fe350954fccc59e76b1371ce333f3651eefa

manifests/healthcheck.pp

@@ -0,0 +1,43 @@
+# == Define: oslo::healthcheck
+#
+# Configure oslo_middleware options in healthcheck section
+#
+# === Parameters:
+#
+# [*detailed*]
+#   (Optional) Show more detailed information as part of the response.
+#   Defaults to $::os_service_default
+#
+# [*backends*]
+#   (Optional) Additional backends that can perform health checks and report
+#   that information back as part of a request.
+#   Defaults to $::os_service_default
+#
+# [*disable_by_file_path*]
+#   (Optional) Check the presense of a file to determine if an application
+#   is running on a port.
+#   Defaults to $::os_service_default
+#
+# [*disable_by_file_paths*]
+#   (Optional) Check the presense of a file to determine if an application
+#   is running on a port. Expects a "port:path" list of strings.
+#   Defaults to $::os_service_default
+#
+define oslo::healthcheck(
+  $detailed              = $::os_service_default,
+  $backends              = $::os_service_default,
+  $disable_by_file_path  = $::os_service_default,
+  $disable_by_file_paths = $::os_service_default,
+) {
+
+  $backends_real = join(any2array($backends), ',')
+  $disable_by_file_paths_real = join(any2array($disable_by_file_paths), ',')
+
+  $healthcheck_options = {
+    'healthcheck/detailed'              => { value => $detailed },
+    'healthcheck/backends'              => { value => $backends_real },
+    'healthcheck/disable_by_file_path'  => { value => $disable_by_file_path },
+    'healthcheck/disable_by_file_paths' => { value => $disable_by_file_paths_real},
+  }
+  create_resources($name, $healthcheck_options)
+}

releasenotes/notes/healthcheck-middleware-c254827e460e7443.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    Support for options of healthcheck middleware has been added.

spec/defines/oslo_healthcheck_spec.rb

@@ -0,0 +1,61 @@
+require 'spec_helper'
+
+describe 'oslo::healthcheck' do
+
+  let (:title) { 'keystone_config' }
+
+  shared_examples 'oslo::healthcheck' do
+
+    context 'with default parameters' do
+      let :params do
+        {}
+      end
+
+      it 'configure healthcheck default params' do
+        is_expected.to contain_keystone_config('healthcheck/detailed').with_value('<SERVICE DEFAULT>')
+        is_expected.to contain_keystone_config('healthcheck/backends').with_value('<SERVICE DEFAULT>')
+        is_expected.to contain_keystone_config('healthcheck/disable_by_file_path').with_value('<SERVICE DEFAULT>')
+        is_expected.to contain_keystone_config('healthcheck/disable_by_file_paths').with_value('<SERVICE DEFAULT>')
+      end
+    end
+
+    context 'with parameters overridden' do
+      let :params do
+        {
+          :detailed              => true,
+          :backends              => ['disable_by_file', 'disable_by_files_ports'],
+          :disable_by_file_path  => '/etc/keystone/healthcheck/disabled',
+          :disable_by_file_paths => [
+            '5000:/etc/keystone/healthcheck/public-disabled',
+            '35357:/etc/keystone/healthcheck/admin-disabled'
+          ],
+        }
+      end
+
+      it 'configure healthcheck params' do
+        is_expected.to contain_keystone_config('healthcheck/detailed').with_value('true')
+        is_expected.to contain_keystone_config('healthcheck/backends').with_value(
+          'disable_by_file,disable_by_files_ports'
+        )
+        is_expected.to contain_keystone_config('healthcheck/disable_by_file_path').with_value(
+          '/etc/keystone/healthcheck/disabled'
+        )
+        is_expected.to contain_keystone_config('healthcheck/disable_by_file_paths').with_value(
+          '5000:/etc/keystone/healthcheck/public-disabled,35357:/etc/keystone/healthcheck/admin-disabled'
+        )
+      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
+
+      include_examples 'oslo::healthcheck'
+    end
+  end
+end