def remove_from_cluster(cls, instance):
"""Remove Node from Cluster.
Also drops networks assignment for Node and clears both
roles and pending roles
:param instance: Node instance
:returns: None
"""
if instance.cluster:
Cluster.clear_pending_changes(instance.cluster,
node_id=instance.id)
netmanager = Cluster.get_network_manager(instance.cluster)
netmanager.clear_assigned_networks(instance)
netmanager.clear_bond_configuration(instance)
cls.update_roles(instance, [])
cls.update_pending_roles(instance, [])
cls.remove_replaced_params(instance)
instance.cluster_id = None
instance.group_id = None
instance.kernel_params = None
instance.primary_roles = []
instance.hostname = cls.default_slave_name(instance)
from nailgun.objects import OpenstackConfig
OpenstackConfig.disable_by_nodes([instance])
db().flush()
db().refresh(instance)
def remove_from_cluster(cls, instance):
"""Remove Node from Cluster.
Also drops networks assignment for Node and clears both
roles and pending roles
:param instance: Node instance
:returns: None
"""
if instance.cluster:
Cluster.clear_pending_changes(
instance.cluster,
node_id=instance.id
)
netmanager = Cluster.get_network_manager(
instance.cluster
)
netmanager.clear_assigned_networks(instance)
netmanager.clear_bond_configuration(instance)
cls.update_roles(instance, [])
cls.update_pending_roles(instance, [])
cls.remove_replaced_params(instance)
instance.cluster_id = None
instance.group_id = None
instance.kernel_params = None
instance.primary_roles = []
instance.hostname = cls.default_slave_name(instance)
from nailgun.objects import OpenstackConfig
OpenstackConfig.disable_by_nodes([instance])
db().flush()
db().refresh(instance)
def update_nodes(cls, instance, nodes_ids):
"""Update Cluster nodes by specified node IDs
Nodes with specified IDs will replace existing ones in Cluster
:param instance: Cluster instance
:param nodes_ids: list of nodes ids
:returns: None
"""
# TODO(NAME): sepatate nodes
# for deletion and addition by set().
new_nodes = []
if nodes_ids:
new_nodes = db().query(models.Node).filter(
models.Node.id.in_(nodes_ids))
nodes_to_remove = [n for n in instance.nodes if n not in new_nodes]
nodes_to_add = [n for n in new_nodes if n not in instance.nodes]
for node in nodes_to_add:
if not node.online:
raise errors.NodeOffline(u"Cannot add offline node "
u"'{0}' to environment".format(
node.id))
# we should reset hostname to default value to guarantee
# hostnames uniqueness for nodes outside clusters
from nailgun.objects import Node
for node in nodes_to_remove:
node.hostname = Node.default_slave_name(node)
map(instance.nodes.remove, nodes_to_remove)
map(instance.nodes.append, nodes_to_add)
net_manager = cls.get_network_manager(instance)
map(net_manager.clear_assigned_networks, nodes_to_remove)
map(net_manager.clear_bond_configuration, nodes_to_remove)
cls.replace_provisioning_info_on_nodes(instance, [], nodes_to_remove)
cls.replace_deployment_info_on_nodes(instance, [], nodes_to_remove)
from nailgun.objects import NodeCollection
NodeCollection.reset_network_template(nodes_to_remove)
from nailgun.objects import OpenstackConfig
OpenstackConfig.disable_by_nodes(nodes_to_remove)
map(net_manager.assign_networks_by_default, nodes_to_add)
cls.update_nodes_network_template(instance, nodes_to_add)
db().flush()
def update_nodes(cls, instance, nodes_ids):
"""Update Cluster nodes by specified node IDs
Nodes with specified IDs will replace existing ones in Cluster
:param instance: Cluster instance
:param nodes_ids: list of nodes ids
:returns: None
"""
# TODO(NAME): sepatate nodes
# for deletion and addition by set().
new_nodes = []
if nodes_ids:
new_nodes = db().query(models.Node).filter(
models.Node.id.in_(nodes_ids)
)
nodes_to_remove = [n for n in instance.nodes
if n not in new_nodes]
nodes_to_add = [n for n in new_nodes
if n not in instance.nodes]
for node in nodes_to_add:
if not node.online:
raise errors.NodeOffline(
u"Cannot add offline node "
u"'{0}' to environment".format(node.id)
)
# we should reset hostname to default value to guarantee
# hostnames uniqueness for nodes outside clusters
from nailgun.objects import Node
for node in nodes_to_remove:
node.hostname = Node.default_slave_name(node)
map(instance.nodes.remove, nodes_to_remove)
map(instance.nodes.append, nodes_to_add)
net_manager = cls.get_network_manager(instance)
map(
net_manager.clear_assigned_networks,
nodes_to_remove
)
map(
net_manager.clear_bond_configuration,
nodes_to_remove
)
cls.replace_provisioning_info_on_nodes(instance, [], nodes_to_remove)
cls.replace_deployment_info_on_nodes(instance, [], nodes_to_remove)
from nailgun.objects import NodeCollection
NodeCollection.reset_network_template(nodes_to_remove)
from nailgun.objects import OpenstackConfig
OpenstackConfig.disable_by_nodes(nodes_to_remove)
map(
net_manager.assign_networks_by_default,
nodes_to_add
)
cls.update_nodes_network_template(instance, nodes_to_add)
db().flush()