def get_index(redis_handler, host):
fqdn, pqdn = util.generate_fqdn_and_pqdn(host)
## Get Index
fqdn_index = redis_handler.get_index(fqdn) or ''
pqdn_index = redis_handler.get_index(pqdn) or ''
## Merge indexes
index_value = ','.join([i for i in (fqdn_index, pqdn_index) if i])
## Remove duplicates
index_value = ','.join(set(index_value.split(',')))
return index_value
def save_index(redis_handler, hash_key, value):
index_value = redis_handler.get_index(value)
if index_value:
index_value = "%s,%s" % (index_value, hash_key)
else:
index_value = hash_key
## Remove redundant values
indexed_keys = set(index_value.split(','))
## Clean stale entries
for k in indexed_keys.copy():
if not redis_handler.exists(k):
indexed_keys.remove(k)
## Save Index
if len(indexed_keys) > 0:
redis_handler.save_index(value, ','.join(indexed_keys))
else:
redis_handler.delete_index(value)
def save_index(redis_handler, hash_key, value):
index_value = redis_handler.get_index(value)
if index_value:
index_value = "%s,%s" % (index_value, hash_key)
else:
index_value = hash_key
## Remove redundant values
indexed_keys = set(index_value.split(','))
## Clean stale entries
for k in indexed_keys.copy():
if not redis_handler.exists(k):
indexed_keys.remove(k)
## Save Index
if len(indexed_keys) > 0:
redis_handler.save_index(value, ','.join(indexed_keys))
else:
redis_handler.delete_index(value)