def _check_conflicting_actions(ctx, target, action):
conflict_actions = ao.Action.get_all_active_by_target(ctx, target)
if conflict_actions and action == consts.CLUSTER_DELETE:
delete_ids = [a['id'] for a in conflict_actions
if a['action'] == consts.CLUSTER_DELETE]
if delete_ids:
raise exception.ActionConflict(
type=action, target=target, actions=",".join(
delete_ids))
elif conflict_actions:
action_ids = [a['id'] for a in conflict_actions]
raise exception.ActionConflict(
type=action, target=target, actions=",".join(action_ids))
def _check_conflicting_actions(ctx, target, action):
conflict_actions = ao.Action.get_all_active_by_target(ctx, target)
# Ignore conflicting actions on deletes.
if not conflict_actions or action in consts.CONFLICT_BYPASS_ACTIONS:
return
else:
action_ids = [a['id'] for a in conflict_actions]
raise exception.ActionConflict(
type=action, target=target, actions=",".join(action_ids))
def validate_scaling_action(ctx, cluster_id, action):
"""Validate scaling action against actions table and policy cooldown.
:param ctx: An instance of the request context.
:param cluster_id: ID of the cluster the scaling action is targeting.
:param action: Scaling action being validated.
:return: None
:raises: An exception of ``ActionCooldown`` when the action being
validated is still in cooldown based off the policy or
``ActionConflict`` when a scaling action is already in the action
table.
"""
# Check for conflicting actions in the actions table.
conflicting_actions = Action._get_conflicting_scaling_actions(
ctx, cluster_id)
if conflicting_actions:
action_ids = [a.get('id', None) for a in conflicting_actions]
LOG.info(
"Unable to process %(action)s for cluster %(cluster_id)s "
"the action conflicts with %(conflicts)s", {
'action': action,
'cluster_id': cluster_id,
'conflicts': action_ids
})
raise exception.ActionConflict(type=action,
target=cluster_id,
actions=",".join(action_ids))
# Check to see if action cooldown should be observed.
bindings = cpo.ClusterPolicy.get_all(ctx,
cluster_id,
sort='priority',
filters={'enabled': True})
for pb in bindings:
policy = policy_mod.Policy.load(ctx, pb.policy_id)
if getattr(policy, 'cooldown', None) and policy.event == action:
if pb.last_op and not timeutils.is_older_than(
pb.last_op, policy.cooldown):
LOG.info(
"Unable to process %(action)s for cluster "
"%(cluster_id)s the actions policy %(policy)s "
"cooldown still in progress", {
'action': action,
'cluster_id': cluster_id,
'policy': pb.policy_id
})
raise exception.ActionCooldown(type=action,
cluster=cluster_id,
policy_id=pb.policy_id)
return