def update(cls, instance, data):
"""Update Node instance with specified parameters in DB.
This includes:
* adding node to Cluster (if cluster_id is not None in data) \
(see :func:`add_into_cluster`)
* updating roles for Node if it belongs to Cluster \
(see :func:`update_roles` and :func:`update_pending_roles`)
* removing node from Cluster (if cluster_id is None in data) \
(see :func:`remove_from_cluster`)
* updating interfaces for Node in DB (see :func:`update_interfaces`)
* creating default Node attributes (see :func:`create_attributes`)
:param data: dictionary of key-value pairs as object fields
:returns: Node instance
"""
data.pop("id", None)
data.pop("network_data", None)
roles = data.pop("roles", None)
pending_roles = data.pop("pending_roles", None)
new_meta = data.pop("meta", None)
update_by_agent = data.pop("is_agent", False)
disks_changed = None
if new_meta and "disks" in new_meta and "disks" in instance.meta:
key = operator.itemgetter("name")
new_disks = sorted(new_meta["disks"], key=key)
old_disks = sorted(instance.meta["disks"], key=key)
disks_changed = (new_disks != old_disks)
# TODO(enchantner): fix this temporary hack in clients
if "cluster_id" not in data and "cluster" in data:
cluster_id = data.pop("cluster", None)
data["cluster_id"] = cluster_id
if new_meta:
instance.update_meta(new_meta)
# The call to update_interfaces will execute a select query for
# the current instance. This appears to overwrite the object in the
# current session and we lose the meta changes.
db().flush()
if cls.hardware_info_locked(instance):
logger.debug("Interfaces are locked for update on node %s",
instance.human_readable_name)
else:
instance.ip = data.pop("ip", None) or instance.ip
instance.mac = data.pop("mac", None) or instance.mac
db().flush()
cls.update_interfaces(instance, update_by_agent)
cluster_changed = False
add_to_cluster = False
if "cluster_id" in data:
new_cluster_id = data.pop("cluster_id")
if instance.cluster_id:
if new_cluster_id is None:
# removing node from cluster
cluster_changed = True
cls.remove_from_cluster(instance)
elif new_cluster_id != instance.cluster_id:
# changing node cluster to another
# (is currently not allowed)
raise errors.CannotUpdate(
u"Changing cluster on the fly is not allowed"
)
else:
if new_cluster_id is not None:
# assigning node to cluster
cluster_changed = True
add_to_cluster = True
instance.cluster_id = new_cluster_id
if "group_id" in data:
new_group_id = data.pop("group_id")
if instance.group_id != new_group_id:
nm = Cluster.get_network_manager(instance.cluster)
nm.clear_assigned_networks(instance)
nm.clear_bond_configuration(instance)
instance.group_id = new_group_id
add_to_cluster = True
# calculating flags
roles_changed = (
roles is not None and set(roles) != set(instance.roles)
)
pending_roles_changed = (
pending_roles is not None and
set(pending_roles) != set(instance.pending_roles)
)
super(Node, cls).update(instance, data)
if roles_changed:
cls.update_roles(instance, roles)
if pending_roles_changed:
cls.update_pending_roles(instance, pending_roles)
if add_to_cluster:
cls.add_into_cluster(instance, instance.cluster_id)
if any((
roles_changed,
pending_roles_changed,
cluster_changed,
disks_changed,
)) and instance.status not in (
consts.NODE_STATUSES.provisioning,
consts.NODE_STATUSES.deploying
):
# TODO(eli): we somehow should move this
# condition into extension, in order to do
# that probably we will have to create separate
# table to keep disks which were used to create
# volumes mapping.
# Should be solved as a part of blueprint
# https://blueprints.launchpad.net/fuel/+spec
# /volume-manager-refactoring
fire_callback_on_node_update(instance)
return instance
def test_fire_callback_on_node_update(self, get_m):
node = mock.MagicMock()
fire_callback_on_node_update(node)
for ext in get_m.return_value:
ext.on_node_update.assert_called_once_with(node)
def update(cls, instance, data):
"""Update Node instance with specified parameters in DB.
This includes:
* adding node to Cluster (if cluster_id is not None in data) \
(see :func:`add_into_cluster`)
* updating roles for Node if it belongs to Cluster \
(see :func:`update_roles` and :func:`update_pending_roles`)
* removing node from Cluster (if cluster_id is None in data) \
(see :func:`remove_from_cluster`)
* updating interfaces for Node in DB (see :func:`update_interfaces`)
* creating default Node attributes (see :func:`create_attributes`)
:param data: dictionary of key-value pairs as object fields
:returns: Node instance
"""
data.pop("id", None)
data.pop("network_data", None)
roles = data.pop("roles", None)
pending_roles = data.pop("pending_roles", None)
new_meta = data.pop("meta", None)
update_by_agent = data.pop("is_agent", False)
disks_changed = None
if new_meta and "disks" in new_meta and "disks" in instance.meta:
key = operator.itemgetter("name")
new_disks = sorted(new_meta["disks"], key=key)
old_disks = sorted(instance.meta["disks"], key=key)
disks_changed = (new_disks != old_disks)
# TODO(enchantner): fix this temporary hack in clients
if "cluster_id" not in data and "cluster" in data:
cluster_id = data.pop("cluster", None)
data["cluster_id"] = cluster_id
if new_meta:
instance.update_meta(new_meta)
# The call to update_interfaces will execute a select query for
# the current instance. This appears to overwrite the object in the
# current session and we lose the meta changes.
db().flush()
if cls.hardware_info_locked(instance):
logger.info("Interfaces are locked for update on node %s",
instance.human_readable_name)
else:
cls.update_interfaces(instance, update_by_agent)
cluster_changed = False
if "cluster_id" in data:
new_cluster_id = data.pop("cluster_id")
if instance.cluster_id:
if new_cluster_id is None:
# removing node from cluster
cluster_changed = True
cls.remove_from_cluster(instance)
elif new_cluster_id != instance.cluster_id:
# changing node cluster to another
# (is currently not allowed)
raise errors.CannotUpdate(
u"Changing cluster on the fly is not allowed")
else:
if new_cluster_id is not None:
# assigning node to cluster
cluster_changed = True
cls.add_into_cluster(instance, new_cluster_id)
if "group_id" in data:
new_group_id = data.pop("group_id")
if instance.group_id != new_group_id:
nm = Cluster.get_network_manager(instance.cluster)
nm.clear_assigned_networks(instance)
nm.clear_bond_configuration(instance)
instance.group_id = new_group_id
cls.add_into_cluster(instance, instance.cluster_id)
# calculating flags
roles_changed = (roles is not None
and set(roles) != set(instance.roles))
pending_roles_changed = (
pending_roles is not None
and set(pending_roles) != set(instance.pending_roles))
super(Node, cls).update(instance, data)
if roles_changed:
cls.update_roles(instance, roles)
if pending_roles_changed:
cls.update_pending_roles(instance, pending_roles)
if any((
roles_changed,
pending_roles_changed,
cluster_changed,
disks_changed,
)) and instance.status not in (consts.NODE_STATUSES.provisioning,
consts.NODE_STATUSES.deploying):
# TODO(eli): we somehow should move this
# condition into extension, in order to do
# that probably we will have to create separate
# table to keep disks which were used to create
# volumes mapping.
# Should be solved as a part of blueprint
# https://blueprints.launchpad.net/fuel/+spec
# /volume-manager-refactoring
fire_callback_on_node_update(instance)
return instance
