The cinder.volume.drivers.dell_emc.scaleio.simplecache Module¶

SimpleCache utility class for Dell EMC ScaleIO Driver.

class SimpleCache(name, age_minutes=30)¶

Bases: object

get_value(key)¶

Returns an item from the cache

Parameters:	key – Key for the item being requested.
Returns:	Value of item or None if doesn’t exist or expired

purge(key)¶

Purge an item from the cache, regardless of age

Parameters:	key – Key for the item being removed.
Returns:

purge_all()¶

Purge all items from the cache, regardless of age

Returns:

set_cache_period(age_minutes)¶

Define the period of time to cache values for

Parameters:	age_minutes – Number of minutes to cache items for.
Returns:

update(key, value)¶

Update/Store an item in the cache

Parameters:	key – Key for the item being added. value – Value to store
Returns: