Remove deleted Cinder rows

Creates cron job running every 24 hours
for "cinder-manage db purge"

Partial-bug: rhbz#1249106
Depends-On: I677f2ef3d9ca81fff0f672c8e34b6e4278674a96
Change-Id: I9ec5b570feb0e9a415c432aea12e6d63f6fbf833

docs/packstack.rst

@@ -465,6 +465,9 @@ Cinder Config parameters
 **CONFIG_CINDER_DB_PW**
     Password to use for the Block Storage service (cinder) to access the database.
 
+**CONFIG_CINDER_DB_PURGE_ENABLE**
+    Enter y if cron job for removing soft deleted DB rows should be created.
+
 **CONFIG_CINDER_KS_PW**
     Password to use for the Block Storage service to authenticate with the Identity service.
 

packstack/plugins/cinder_250.py

@@ -58,6 +58,22 @@ def initConfig(controller):
              "NEED_CONFIRM": True,
              "CONDITION": False},
 
+            {"CMD_OPTION": 'cinder-db-purge-enable',
+             "PROMPT": (
+                 "Enter y if cron job for removing soft deleted DB rows "
+                 "should be created"
+             ),
+             "OPTION_LIST": ['y', 'n'],
+             "VALIDATORS": [validators.validate_not_empty],
+             "PROCESSORS": [processors.process_bool],
+             "DEFAULT_VALUE": 'y',
+             "MASK_INPUT": False,
+             "LOOSE_VALIDATION": False,
+             "CONF_NAME": 'CONFIG_CINDER_DB_PURGE_ENABLE',
+             "USE_DEFAULT": False,
+             "NEED_CONFIRM": True,
+             "CONDITION": False},
+
             {"CMD_OPTION": "cinder-ks-passwd",
              "PROMPT": "Enter the password for the Cinder Keystone access",
              "OPTION_LIST": [],

packstack/puppet/templates/cinder.pp

@@ -37,3 +37,12 @@ Cinder::Type {
 class { '::cinder::backends':
   enabled_backends => hiera_array('CONFIG_CINDER_BACKEND'),
 }
+
+$db_purge = hiera('CONFIG_CINDER_DB_PURGE_ENABLE')
+if $db_purge {
+  class { '::cinder::cron::db_purge':
+    hour        => '*/24',
+    destination => '/dev/null',
+    age         => 1
+  }
+}