Support manila-data service

Manila provides the separate manila-data service to process
host-assisted share migration. This change introduces support for
the service.

Change-Id: I4ed63ae3992735352fd0f5a317e998074e127127

manifests/data.pp

@@ -0,0 +1,67 @@
+# == Class: manila::data
+#
+# Install and manage Manila data.
+#
+# === Parameters
+#
+# [*package_ensure*]
+#   (Optional) The state of the data package
+#   Defaults to 'present'.
+#
+# [*enabled*]
+#   (Optional) Whether to run the data service
+#   Defaults to true.
+#
+# [*manage_service*]
+#   (Optional) Whether to start/stop the service
+#   Defaults to true.
+#
+# [*mount_tmp_location*]
+#   (Optional) Temporary path to create and mount shares during migration.
+#   Defaults to $::os_service_default.
+#
+# [*check_hash*]
+#   (Optional) Chooses whether hash of each file should be checked on data
+#   copying.
+#   Defaults to $::os_service_default.
+#
+class manila::data (
+  $package_ensure     = 'present',
+  $enabled            = true,
+  $manage_service     = true,
+  $mount_tmp_location = $::os_service_default,
+  $check_hash         = $::os_service_default,
+) {
+
+  include manila::deps
+  include manila::params
+
+  if $::manila::params::data_package {
+    package { 'manila-data':
+      ensure => $package_ensure,
+      name   => $::manila::params::data_package,
+      tag    => ['openstack', 'manila-package'],
+    }
+  }
+
+  manila_config {
+    'DEFAULT/mount_tmp_location': value => $mount_tmp_location;
+    'DEFAULT/check_hash':         value => $check_hash;
+  }
+
+  if $manage_service {
+    if $enabled {
+      $ensure = 'running'
+    } else {
+      $ensure = 'stopped'
+    }
+
+    service { 'manila-data':
+      ensure    => $ensure,
+      name      => $::manila::params::data_service,
+      enable    => $enabled,
+      hasstatus => true,
+      tag       => 'manila-service',
+    }
+  }
+}

manifests/params.pp

@@ -16,6 +16,8 @@ class manila::params {
       $package_name                = 'manila-common'
       $api_package                 = 'manila-api'
       $api_service                 = 'manila-api'
+      $data_package                = 'manila-data'
+      $data_service                = 'manila-data'
       $scheduler_package           = 'manila-scheduler'
       $scheduler_service           = 'manila-scheduler'
       $share_package               = 'manila-share'
@@ -31,6 +33,8 @@ class manila::params {
       $package_name                = 'openstack-manila'
       $api_package                 = false
       $api_service                 = 'openstack-manila-api'
+      $data_package                = false
+      $data_service                = 'openstack-manila-data'
       $scheduler_package           = false
       $scheduler_service           = 'openstack-manila-scheduler'
       $share_package               = 'openstack-manila-share'

releasenotes/notes/manila-data-61845c37605e9afe.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    The new ``manila::data`` class has been added. This class configures
+    the ``manila-data`` service.

spec/classes/manila_data_spec.rb

@@ -0,0 +1,99 @@
+require 'spec_helper'
+
+describe 'manila::data' do
+
+  shared_examples_for 'manila::data' do
+
+    context 'with default parameters' do
+
+      it { is_expected.to contain_class('manila::params') }
+
+      it { is_expected.to contain_manila_config('DEFAULT/mount_tmp_location').with_value('<SERVICE DEFAULT>') }
+      it { is_expected.to contain_manila_config('DEFAULT/check_hash').with_value('<SERVICE DEFAULT>') }
+
+      it { is_expected.to contain_service('manila-data').with(
+        :name      => platform_params[:data_service],
+        :enable    => true,
+        :ensure    => 'running',
+        :hasstatus => true,
+        :tag       => 'manila-service',
+      ) }
+    end
+
+    context 'with parameters' do
+      let :params do
+        {
+          :mount_tmp_location => '/tmp/',
+          :check_hash         => false,
+        }
+      end
+
+      it { is_expected.to contain_manila_config('DEFAULT/mount_tmp_location').with_value('/tmp/') }
+      it { is_expected.to contain_manila_config('DEFAULT/check_hash').with_value(false) }
+    end
+
+    context 'with manage_service false' do
+      let :params do
+        {
+          :manage_service => false
+        }
+      end
+      it 'should not configure the service' do
+        is_expected.to_not contain_service('manila-data')
+      end
+    end
+  end
+
+  shared_examples_for 'manila::data on Debian' do
+    context 'with default parameters' do
+      it { is_expected.to contain_package('manila-data').with(
+        :name      => 'manila-data',
+        :ensure    => 'present',
+        :tag       => ['openstack', 'manila-package'],
+      ) }
+    end
+
+    context 'with parameters' do
+      let :params do
+        {
+          :package_ensure => 'installed'
+        }
+      end
+
+      it { is_expected.to contain_package('manila-data').with(
+        :name      => 'manila-data',
+        :ensure    => 'installed',
+        :tag       => ['openstack', 'manila-package'],
+      ) }
+    end
+  end
+
+  shared_examples_for 'manila::data on RedHat' do
+    context 'with default parameters' do
+      it { is_expected.to_not contain_package('manila-data') }
+    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
+
+      let :platform_params do
+        case facts[:osfamily]
+        when 'Debian'
+          { :data_service => 'manila-data' }
+        when 'RedHat'
+          { :data_service => 'openstack-manila-data' }
+        end
+      end
+
+      it_behaves_like 'manila::data'
+      it_behaves_like "manila::data on #{facts[:osfamily]}"
+    end
+  end
+
+end