setexpire.pol

/* exclude list */
define(  exclude_list,
  (PATH_NAME LIKE '%/.SpaceMan/%' OR
   PATH_NAME LIKE '%/.ltfsee/%' OR
   PATH_NAME LIKE '%/.mmSharedTmpDir/%' OR
   PATH_NAME LIKE '%.mmbackupCfg/%' OR
   PATH_NAME LIKE '%/.snapshots/%' OR
   NAME LIKE '.mmbackupShadow%' OR
   NAME LIKE 'mmbackup%')
)

/* define is_migrated */
define(is_migrated, (MISC_ATTRIBUTES LIKE '%V%'))

/* list files with restore request that are not migrated and invoke setExpire script to set user.noobaa.restore.expiry and remove user.noobaa.restore.request */
RULE 'extlist' EXTERNAL LIST 'setExpiry' EXEC '/path-to/setExpire.sh'
RULE 'listFiles' LIST 'setExpiry' FOR FILESET('buckets') WHERE
  NOT (exclude_list) AND
  xattr('user.storage_class') = 'GLACIER' AND
  NOT (is_migrated) AND
  xattr('user.noobaa.restore.request') IS NOT NULL 

/*Invokation:
# mmapplypolicy [path-or-device] -P setexpire.pol -m [num] -N [nodes] -B [bucket-size] --single-instance
-m number of parallel threads per node
-N nodes exuting the policy
-B bucket-size per thread, between 1000 and 20000
*/