DB purge cron job

Adds cinder::cron::db_purge for setting up cron job which runs
"cinder-manage db purge".

Change-Id: I677f2ef3d9ca81fff0f672c8e34b6e4278674a96

manifests/cron/db_purge.pp

@@ -0,0 +1,76 @@
+#
+# Copyright (C) 2015 Red Hat Inc.
+#
+# Author: Martin Magr <mmagr@redhat.com>
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# == Class: cinder::cron::db_purge
+#
+# Move deleted instances to another table that you don't have to backup
+# unless you have data retention policies.
+#
+# === Parameters
+#
+#  [*minute*]
+#    (optional) Defaults to '1'.
+#
+#  [*hour*]
+#    (optional) Defaults to '0'.
+#
+#  [*monthday*]
+#    (optional) Defaults to '*'.
+#
+#  [*month*]
+#    (optional) Defaults to '*'.
+#
+#  [*weekday*]
+#    (optional) Defaults to '*'.
+#
+#  [*user*]
+#    (optional) User with access to cinder files.
+#    Defaults to 'cinder'.
+#
+#  [*age*]
+#    (optional) Number of days prior to today for deletion,
+#    e.g. value 60 means to purge deleted rows that have the "deleted_at"
+#    column greater than 60 days ago.
+#    Defaults to 30
+#
+#  [*destination*]
+#    (optional) Path to file to which rows should be archived
+#    Defaults to '/var/log/cinder/cinder-rowsflush.log'.
+#
+class cinder::cron::db_purge (
+  $minute      = 1,
+  $hour        = 0,
+  $monthday    = '*',
+  $month       = '*',
+  $weekday     = '*',
+  $user        = 'cinder',
+  $age         = 30,
+  $destination = '/var/log/cinder/cinder-rowsflush.log'
+) {
+
+  cron { 'cinder-manage db purge':
+    command     => "cinder-manage db purge ${age} >>${destination} 2>&1",
+    environment => 'PATH=/bin:/usr/bin:/usr/sbin SHELL=/bin/sh',
+    user        => $user,
+    minute      => $minute,
+    hour        => $hour,
+    monthday    => $monthday,
+    month       => $month,
+    weekday     => $weekday,
+    require     => Package['cinder'],
+  }
+}

spec/acceptance/basic_cinder_spec.rb

@@ -102,6 +102,7 @@ describe 'basic cinder' do
       class { '::cinder::scheduler': }
       class { '::cinder::scheduler::filter': }
       class { '::cinder::volume': }
+      class { '::cinder::cron::db_purge': }
       # TODO: create a backend and spawn a volume
       EOS
 
@@ -115,5 +116,10 @@ describe 'basic cinder' do
       it { is_expected.to be_listening.with('tcp') }
     end
 
+    describe cron do
+      it { is_expected.to have_entry('1 0 * * * cinder-manage db purge 30 >>/var/log/cinder/cinder-rowsflush.log 2>&1').with_user('cinder') }
+    end
+
+
   end
 end

spec/classes/cinder_cron_db_purge_spec.rb

@@ -0,0 +1,33 @@
+require 'spec_helper'
+
+describe 'cinder::cron::db_purge' do
+
+  let :facts do
+    { :osfamily => 'RedHat' }
+  end
+
+  let :params do
+    { :minute      => 1,
+      :hour        => 0,
+      :monthday    => '*',
+      :month       => '*',
+      :weekday     => '*',
+      :user        => 'cinder',
+      :age         => '30',
+      :destination => '/var/log/cinder/cinder-rowsflush.log' }
+  end
+
+  it 'configures a cron' do
+    is_expected.to contain_cron('cinder-manage db purge').with(
+      :command     => "cinder-manage db purge #{params[:age]} >>#{params[:destination]} 2>&1",
+      :environment => 'PATH=/bin:/usr/bin:/usr/sbin SHELL=/bin/sh',
+      :user        => params[:user],
+      :minute      => params[:minute],
+      :hour        => params[:hour],
+      :monthday    => params[:monthday],
+      :month       => params[:month],
+      :weekday     => params[:weekday],
+      :require     => 'Package[cinder]',
+    )
+  end
+end