def _update_cache_groups(self):
new_groups = {}
for group in storage.groups:
if (group.type != storage.Group.TYPE_CACHE or
group.status != storage.Status.COUPLED):
continue
new_groups[group] = group
new_cache_groups = {}
for group in new_groups:
cache_group = CacheGroup(group)
new_cache_groups[cache_group] = cache_group
new_groups_units = infrastructure.groups_units(new_groups.keys(),
self.node_types)
new_executing_tasks = cache_task_manager.list()
for task in new_executing_tasks:
group_id = task['group']
if group_id not in new_cache_groups:
logger.warn('Task destination group {0} is not found among '
'good cache groups'.format(group_id))
continue
cache_group = new_cache_groups[group_id]
cache_group.account_task(task)
# DEBUG
for cg in new_cache_groups.itervalues():
logger.debug(
'Cache group {0}: fes {1} ({2} - {3} - {4})'.format(
cg, cg.effective_free_space,
cg.group.node_backends[0].effective_space,
cg.stat.used_space, cg.reserved_space))
# DEBUG END
with self._cache_groups_lock:
self.cache_groups = new_cache_groups
self.groups_units = new_groups_units
self.executing_tasks = new_executing_tasks
def group_units(self):
return infrastructure.groups_units(
[cg.group for cg in self.candidates] +
[storage.groups[self.src_group_id]],
self.node_types)