def setUp(self):
super(TestClusterStatus, self).setUp()
self.field = fields.ClusterStatusField()
self.coerce_good_values = [
('CREATE_IN_PROGRESS', 'CREATE_IN_PROGRESS'),
('CREATE_FAILED', 'CREATE_FAILED'),
('CREATE_COMPLETE', 'CREATE_COMPLETE'),
('UPDATE_IN_PROGRESS', 'UPDATE_IN_PROGRESS'),
('UPDATE_FAILED', 'UPDATE_FAILED'),
('UPDATE_COMPLETE', 'UPDATE_COMPLETE'),
('DELETE_IN_PROGRESS', 'DELETE_IN_PROGRESS'),
('DELETE_FAILED', 'DELETE_FAILED'),
('RESUME_COMPLETE', 'RESUME_COMPLETE'),
('RESTORE_COMPLETE', 'RESTORE_COMPLETE'),
('ROLLBACK_COMPLETE', 'ROLLBACK_COMPLETE'),
('SNAPSHOT_COMPLETE', 'SNAPSHOT_COMPLETE'),
('CHECK_COMPLETE', 'CHECK_COMPLETE'),
('ADOPT_COMPLETE', 'ADOPT_COMPLETE')
]
self.coerce_bad_values = ['DELETE_STOPPED']
self.to_primitive_values = self.coerce_good_values[0:1]
self.from_primitive_values = self.coerce_good_values[0:1]
class Cluster(base.MagnumPersistentObject, base.MagnumObject,
base.MagnumObjectDictCompat):
# Version 1.0: Initial version
# Version 1.1: Added 'bay_create_timeout' field
# Version 1.2: Add 'registry_trust_id' field
# Version 1.3: Added 'baymodel' field
# Version 1.4: Added more types of status to bay's status field
# Version 1.5: Rename 'registry_trust_id' to 'trust_id'
# Add 'trustee_user_name', 'trustee_password',
# 'trustee_user_id' field
# Version 1.6: Add rollback support for Bay
# Version 1.7: Added 'coe_version' and 'container_version' fields
# Version 1.8: Rename 'baymodel' to 'cluster_template'
# Version 1.9: Rename table name from 'bay' to 'cluster'
# Rename 'baymodel_id' to 'cluster_template_id'
# Rename 'bay_create_timeout' to 'create_timeout'
# Version 1.10: Added 'keypair' field
# Version 1.11: Added 'RESUME_FAILED' in status field
# Version 1.12: Added 'get_stats' method
# Version 1.13: Added get_count_all method
# Version 1.14: Added 'docker_volume_size' field
# Version 1.15: Added 'labels' field
# Version 1.16: Added 'master_flavor_id' field
# Version 1.17: Added 'flavor_id' field
# Version 1.18: Added 'health_status' and 'health_status_reason' field
# Version 1.19: Added nodegroups, default_ng_worker, default_ng_master
# Version 1.20: Fields node_count, master_count, node_addresses,
# master_addresses are now properties.
VERSION = '1.20'
dbapi = dbapi.get_instance()
fields = {
'id': fields.IntegerField(),
'uuid': fields.UUIDField(nullable=True),
'name': fields.StringField(nullable=True),
'project_id': fields.StringField(nullable=True),
'user_id': fields.StringField(nullable=True),
'cluster_template_id': fields.StringField(nullable=True),
'keypair': fields.StringField(nullable=True),
'docker_volume_size': fields.IntegerField(nullable=True),
'labels': fields.DictOfStringsField(nullable=True),
'master_flavor_id': fields.StringField(nullable=True),
'flavor_id': fields.StringField(nullable=True),
'stack_id': fields.StringField(nullable=True),
'status': m_fields.ClusterStatusField(nullable=True),
'status_reason': fields.StringField(nullable=True),
'health_status': m_fields.ClusterHealthStatusField(nullable=True),
'health_status_reason': fields.DictOfStringsField(nullable=True),
'create_timeout': fields.IntegerField(nullable=True),
'api_address': fields.StringField(nullable=True),
'discovery_url': fields.StringField(nullable=True),
'ca_cert_ref': fields.StringField(nullable=True),
'magnum_cert_ref': fields.StringField(nullable=True),
'cluster_template': fields.ObjectField('ClusterTemplate'),
'trust_id': fields.StringField(nullable=True),
'trustee_username': fields.StringField(nullable=True),
'trustee_password': fields.StringField(nullable=True),
'trustee_user_id': fields.StringField(nullable=True),
'coe_version': fields.StringField(nullable=True),
'container_version': fields.StringField(nullable=True)
}
@staticmethod
def _from_db_object(cluster, db_cluster):
"""Converts a database entity to a formal object."""
for field in cluster.fields:
if field != 'cluster_template':
cluster[field] = db_cluster[field]
# Note(eliqiao): The following line needs to be placed outside the
# loop because there is a dependency from cluster_template to
# cluster_template_id. The cluster_template_id must be populated
# first in the loop before it can be used to find the cluster_template.
cluster['cluster_template'] = ClusterTemplate.get_by_uuid(
cluster._context, cluster.cluster_template_id)
cluster.obj_reset_changes()
return cluster
@property
def nodegroups(self):
# Returns all nodegroups that belong to the cluster.
return NodeGroup.list(self._context, self.uuid)
@property
def default_ng_worker(self):
# Assume that every cluster will have only one default
# non-master nodegroup. We don't want to limit the roles
# so each nodegroup that does not have a master role is
# considered as a worker/minion nodegroup.
filters = {'is_default': True}
default_ngs = NodeGroup.list(self._context, self.uuid, filters=filters)
return [n for n in default_ngs if n.role != 'master'][0]
@property
def default_ng_master(self):
# Assume that every cluster will have only one default
# master nodegroup.
filters = {'role': 'master', 'is_default': True}
return NodeGroup.list(self._context, self.uuid, filters=filters)[0]
@property
def node_count(self):
return sum(n.node_count for n in self.nodegroups if n.role != 'master')
@property
def master_count(self):
return sum(n.node_count for n in self.nodegroups if n.role == 'master')
@property
def node_addresses(self):
node_addresses = []
for ng in self.nodegroups:
if ng.role != 'master':
node_addresses += ng.node_addresses
return node_addresses
@property
def master_addresses(self):
master_addresses = []
for ng in self.nodegroups:
if ng.role == 'master':
master_addresses += ng.node_addresses
return master_addresses
@staticmethod
def _from_db_object_list(db_objects, cls, context):
"""Converts a list of database entities to a list of formal objects."""
return [
Cluster._from_db_object(cls(context), obj) for obj in db_objects
]
@base.remotable_classmethod
def get(cls, context, cluster_id):
"""Find a cluster based on its id or uuid and return a Cluster object.
:param cluster_id: the id *or* uuid of a cluster.
:param context: Security context
:returns: a :class:`Cluster` object.
"""
if strutils.is_int_like(cluster_id):
return cls.get_by_id(context, cluster_id)
elif uuidutils.is_uuid_like(cluster_id):
return cls.get_by_uuid(context, cluster_id)
else:
raise exception.InvalidIdentity(identity=cluster_id)
@base.remotable_classmethod
def get_by_id(cls, context, cluster_id):
"""Find a cluster based on its integer id and return a Cluster object.
:param cluster_id: the id of a cluster.
:param context: Security context
:returns: a :class:`Cluster` object.
"""
db_cluster = cls.dbapi.get_cluster_by_id(context, cluster_id)
cluster = Cluster._from_db_object(cls(context), db_cluster)
return cluster
@base.remotable_classmethod
def get_by_uuid(cls, context, uuid):
"""Find a cluster based on uuid and return a :class:`Cluster` object.
:param uuid: the uuid of a cluster.
:param context: Security context
:returns: a :class:`Cluster` object.
"""
db_cluster = cls.dbapi.get_cluster_by_uuid(context, uuid)
cluster = Cluster._from_db_object(cls(context), db_cluster)
return cluster
@base.remotable_classmethod
def get_count_all(cls, context, filters=None):
"""Get count of matching clusters.
:param context: The security context
:param filters: filter dict, can includes 'cluster_template_id',
'name', 'node_count', 'stack_id', 'api_address',
'node_addresses', 'project_id', 'user_id',
'status'(should be a status list), 'master_count'.
:returns: Count of matching clusters.
"""
return cls.dbapi.get_cluster_count_all(context, filters=filters)
@base.remotable_classmethod
def get_by_name(cls, context, name):
"""Find a cluster based on name and return a Cluster object.
:param name: the logical name of a cluster.
:param context: Security context
:returns: a :class:`Cluster` object.
"""
db_cluster = cls.dbapi.get_cluster_by_name(context, name)
cluster = Cluster._from_db_object(cls(context), db_cluster)
return cluster
@base.remotable_classmethod
def list(cls,
context,
limit=None,
marker=None,
sort_key=None,
sort_dir=None,
filters=None):
"""Return a list of Cluster objects.
:param context: Security context.
:param limit: maximum number of resources to return in a single result.
:param marker: pagination marker for large data sets.
:param sort_key: column to sort results by.
:param sort_dir: direction to sort. "asc" or "desc".
:param filters: filter dict, can includes 'cluster_template_id',
'name', 'node_count', 'stack_id', 'api_address',
'node_addresses', 'project_id', 'user_id',
'status'(should be a status list), 'master_count'.
:returns: a list of :class:`Cluster` object.
"""
db_clusters = cls.dbapi.get_cluster_list(context,
limit=limit,
marker=marker,
sort_key=sort_key,
sort_dir=sort_dir,
filters=filters)
return Cluster._from_db_object_list(db_clusters, cls, context)
@base.remotable_classmethod
def get_stats(cls, context, project_id=None):
"""Return a list of Cluster objects.
:param context: Security context.
:param project_id: project id
"""
return cls.dbapi.get_cluster_stats(project_id)
@base.remotable
def create(self, context=None):
"""Create a Cluster record in the DB.
:param context: Security context. NOTE: This should only
be used internally by the indirection_api.
Unfortunately, RPC requires context as the first
argument, even though we don't use it.
A context should be set when instantiating the
object, e.g.: Cluster(context)
"""
values = self.obj_get_changes()
db_cluster = self.dbapi.create_cluster(values)
self._from_db_object(self, db_cluster)
@base.remotable
def destroy(self, context=None):
"""Delete the Cluster from the DB.
:param context: Security context. NOTE: This should only
be used internally by the indirection_api.
Unfortunately, RPC requires context as the first
argument, even though we don't use it.
A context should be set when instantiating the
object, e.g.: Cluster(context)
"""
self.dbapi.destroy_cluster(self.uuid)
self.obj_reset_changes()
@base.remotable
def save(self, context=None):
"""Save updates to this Cluster.
Updates will be made column by column based on the result
of self.what_changed().
:param context: Security context. NOTE: This should only
be used internally by the indirection_api.
Unfortunately, RPC requires context as the first
argument, even though we don't use it.
A context should be set when instantiating the
object, e.g.: Cluster(context)
"""
updates = self.obj_get_changes()
self.dbapi.update_cluster(self.uuid, updates)
self.obj_reset_changes()
@base.remotable
def refresh(self, context=None):
"""Loads updates for this Cluster.
Loads a Cluster with the same uuid from the database and
checks for updated attributes. Updates are applied from
the loaded Cluster column by column, if there are any updates.
:param context: Security context. NOTE: This should only
be used internally by the indirection_api.
Unfortunately, RPC requires context as the first
argument, even though we don't use it.
A context should be set when instantiating the
object, e.g.: Cluster(context)
"""
current = self.__class__.get_by_uuid(self._context, uuid=self.uuid)
for field in self.fields:
if self.obj_attr_is_set(field) and self[field] != current[field]:
self[field] = current[field]
def as_dict(self):
dict_ = super(Cluster, self).as_dict()
# Update the dict with the attributes coming form
# the cluster's nodegroups.
dict_.update({
'node_count': self.node_count,
'master_count': self.master_count,
'node_addresses': self.node_addresses,
'master_addresses': self.master_addresses
})
return dict_
class Cluster(base.MagnumPersistentObject, base.MagnumObject,
base.MagnumObjectDictCompat):
# Version 1.0: Initial version
# Version 1.1: Added 'bay_create_timeout' field
# Version 1.2: Add 'registry_trust_id' field
# Version 1.3: Added 'baymodel' field
# Version 1.4: Added more types of status to bay's status field
# Version 1.5: Rename 'registry_trust_id' to 'trust_id'
# Add 'trustee_user_name', 'trustee_password',
# 'trustee_user_id' field
# Version 1.6: Add rollback support for Bay
# Version 1.7: Added 'coe_version' and 'container_version' fields
# Version 1.8: Rename 'baymodel' to 'cluster_template'
# Version 1.9: Rename table name from 'bay' to 'cluster'
# Rename 'baymodel_id' to 'cluster_template_id'
# Rename 'bay_create_timeout' to 'create_timeout'
VERSION = '1.9'
dbapi = dbapi.get_instance()
fields = {
'id': fields.IntegerField(),
'uuid': fields.UUIDField(nullable=True),
'name': fields.StringField(nullable=True),
'project_id': fields.StringField(nullable=True),
'user_id': fields.StringField(nullable=True),
'cluster_template_id': fields.StringField(nullable=True),
'stack_id': fields.StringField(nullable=True),
'status': m_fields.ClusterStatusField(nullable=True),
'status_reason': fields.StringField(nullable=True),
'create_timeout': fields.IntegerField(nullable=True),
'api_address': fields.StringField(nullable=True),
'node_addresses': fields.ListOfStringsField(nullable=True),
'node_count': fields.IntegerField(nullable=True),
'master_count': fields.IntegerField(nullable=True),
'discovery_url': fields.StringField(nullable=True),
'master_addresses': fields.ListOfStringsField(nullable=True),
'ca_cert_ref': fields.StringField(nullable=True),
'magnum_cert_ref': fields.StringField(nullable=True),
'cluster_template': fields.ObjectField('ClusterTemplate'),
'trust_id': fields.StringField(nullable=True),
'trustee_username': fields.StringField(nullable=True),
'trustee_password': fields.StringField(nullable=True),
'trustee_user_id': fields.StringField(nullable=True),
'coe_version': fields.StringField(nullable=True),
'container_version': fields.StringField(nullable=True)
}
@staticmethod
def _from_db_object(cluster, db_cluster):
"""Converts a database entity to a formal object."""
for field in cluster.fields:
if field != 'cluster_template':
cluster[field] = db_cluster[field]
# Note(eliqiao): The following line needs to be placed outside the
# loop because there is a dependency from cluster_template to
# cluster_template_id. The cluster_template_id must be populated
# first in the loop before it can be used to find the cluster_template.
cluster['cluster_template'] = ClusterTemplate.get_by_uuid(
cluster._context, cluster.cluster_template_id)
cluster.obj_reset_changes()
return cluster
@staticmethod
def _from_db_object_list(db_objects, cls, context):
"""Converts a list of database entities to a list of formal objects."""
return [
Cluster._from_db_object(cls(context), obj) for obj in db_objects
]
@base.remotable_classmethod
def get(cls, context, cluster_id):
"""Find a cluster based on its id or uuid and return a Cluster object.
:param cluster_id: the id *or* uuid of a cluster.
:param context: Security context
:returns: a :class:`Cluster` object.
"""
if strutils.is_int_like(cluster_id):
return cls.get_by_id(context, cluster_id)
elif uuidutils.is_uuid_like(cluster_id):
return cls.get_by_uuid(context, cluster_id)
else:
raise exception.InvalidIdentity(identity=cluster_id)
@base.remotable_classmethod
def get_by_id(cls, context, cluster_id):
"""Find a cluster based on its integer id and return a Cluster object.
:param cluster_id: the id of a cluster.
:param context: Security context
:returns: a :class:`Cluster` object.
"""
db_cluster = cls.dbapi.get_cluster_by_id(context, cluster_id)
cluster = Cluster._from_db_object(cls(context), db_cluster)
return cluster
@base.remotable_classmethod
def get_by_uuid(cls, context, uuid):
"""Find a cluster based on uuid and return a :class:`Cluster` object.
:param uuid: the uuid of a cluster.
:param context: Security context
:returns: a :class:`Cluster` object.
"""
db_cluster = cls.dbapi.get_cluster_by_uuid(context, uuid)
cluster = Cluster._from_db_object(cls(context), db_cluster)
return cluster
@base.remotable_classmethod
def get_by_name(cls, context, name):
"""Find a cluster based on name and return a Cluster object.
:param name: the logical name of a cluster.
:param context: Security context
:returns: a :class:`Cluster` object.
"""
db_cluster = cls.dbapi.get_cluster_by_name(context, name)
cluster = Cluster._from_db_object(cls(context), db_cluster)
return cluster
@base.remotable_classmethod
def list(cls,
context,
limit=None,
marker=None,
sort_key=None,
sort_dir=None,
filters=None):
"""Return a list of Cluster objects.
:param context: Security context.
:param limit: maximum number of resources to return in a single result.
:param marker: pagination marker for large data sets.
:param sort_key: column to sort results by.
:param sort_dir: direction to sort. "asc" or "desc".
:param filters: filter dict, can includes 'cluster_template_id',
'name', 'node_count', 'stack_id', 'api_address',
'node_addresses', 'project_id', 'user_id',
'status'(should be a status list), 'master_count'.
:returns: a list of :class:`Cluster` object.
"""
db_clusters = cls.dbapi.get_cluster_list(context,
limit=limit,
marker=marker,
sort_key=sort_key,
sort_dir=sort_dir,
filters=filters)
return Cluster._from_db_object_list(db_clusters, cls, context)
@base.remotable
def create(self, context=None):
"""Create a Cluster record in the DB.
:param context: Security context. NOTE: This should only
be used internally by the indirection_api.
Unfortunately, RPC requires context as the first
argument, even though we don't use it.
A context should be set when instantiating the
object, e.g.: Cluster(context)
"""
values = self.obj_get_changes()
db_cluster = self.dbapi.create_cluster(values)
self._from_db_object(self, db_cluster)
@base.remotable
def destroy(self, context=None):
"""Delete the Cluster from the DB.
:param context: Security context. NOTE: This should only
be used internally by the indirection_api.
Unfortunately, RPC requires context as the first
argument, even though we don't use it.
A context should be set when instantiating the
object, e.g.: Cluster(context)
"""
self.dbapi.destroy_cluster(self.uuid)
self.obj_reset_changes()
@base.remotable
def save(self, context=None):
"""Save updates to this Cluster.
Updates will be made column by column based on the result
of self.what_changed().
:param context: Security context. NOTE: This should only
be used internally by the indirection_api.
Unfortunately, RPC requires context as the first
argument, even though we don't use it.
A context should be set when instantiating the
object, e.g.: Cluster(context)
"""
updates = self.obj_get_changes()
self.dbapi.update_cluster(self.uuid, updates)
self.obj_reset_changes()
@base.remotable
def refresh(self, context=None):
"""Loads updates for this Cluster.
Loads a Cluster with the same uuid from the database and
checks for updated attributes. Updates are applied from
the loaded Cluster column by column, if there are any updates.
:param context: Security context. NOTE: This should only
be used internally by the indirection_api.
Unfortunately, RPC requires context as the first
argument, even though we don't use it.
A context should be set when instantiating the
object, e.g.: Cluster(context)
"""
current = self.__class__.get_by_uuid(self._context, uuid=self.uuid)
for field in self.fields:
if self.obj_attr_is_set(field) and self[field] != current[field]:
self[field] = current[field]
class NodeGroup(base.MagnumPersistentObject, base.MagnumObject,
base.MagnumObjectDictCompat):
# Version 1.0: Initial version
# Version 1.1: min_node_count defaults to 0
VERSION = '1.1'
dbapi = dbapi.get_instance()
fields = {
'id': fields.IntegerField(),
'uuid': fields.UUIDField(),
'name': fields.StringField(),
'cluster_id': fields.StringField(),
'project_id': fields.StringField(),
'docker_volume_size': fields.IntegerField(nullable=True),
'labels': fields.DictOfStringsField(nullable=True),
'flavor_id': fields.StringField(nullable=True),
'image_id': fields.StringField(nullable=True),
'node_addresses': fields.ListOfStringsField(nullable=True),
'node_count': fields.IntegerField(nullable=False, default=1),
'role': fields.StringField(),
'max_node_count': fields.IntegerField(nullable=True),
'min_node_count': fields.IntegerField(nullable=False, default=0),
'is_default': fields.BooleanField(default=False),
'stack_id': fields.StringField(nullable=True),
'status': m_fields.ClusterStatusField(nullable=True),
'status_reason': fields.StringField(nullable=True),
'version': fields.StringField(nullable=True),
}
@staticmethod
def _from_db_object(nodegroup, db_nodegroup):
"""Converts a database entity to a formal object."""
for field in nodegroup.fields:
nodegroup[field] = db_nodegroup[field]
nodegroup.obj_reset_changes()
return nodegroup
@staticmethod
def _from_db_object_list(db_objects, cls, context):
"""Converts a list of database entities to a list of formal objects."""
return [
NodeGroup._from_db_object(cls(context), obj) for obj in db_objects
]
@base.remotable_classmethod
def get(cls, context, cluster_id, nodegroup_id):
"""Find a nodegroup based on its id or uuid and return a NodeGroup.
:param cluster_id: the of id a cluster.
:param nodegroup_id: the id of a nodegroup.
:param context: Security context
:returns: a :class:`NodeGroup` object.
"""
if strutils.is_int_like(nodegroup_id):
return cls.get_by_id(context, cluster_id, nodegroup_id)
elif uuidutils.is_uuid_like(nodegroup_id):
return cls.get_by_uuid(context, cluster_id, nodegroup_id)
else:
return cls.get_by_name(context, cluster_id, nodegroup_id)
@base.remotable_classmethod
def get_by_id(cls, context, cluster, id_):
"""Find a nodegroup based on its integer id and return a NodeGroup.
:param cluster: the id of a cluster.
:param id_: the id of a nodegroup.
:param context: Security context
:returns: a :class:`NodeGroup` object.
"""
db_nodegroup = cls.dbapi.get_nodegroup_by_id(context, cluster, id_)
nodegroup = NodeGroup._from_db_object(cls(context), db_nodegroup)
return nodegroup
@base.remotable_classmethod
def get_by_uuid(cls, context, cluster, uuid):
"""Find a nodegroup based on uuid and return a :class:`NodeGroup`.
:param cluster: the id of a cluster.
:param uuid: the uuid of a nodegroup.
:param context: Security context
:returns: a :class:`NodeGroup` object.
"""
db_nodegroup = cls.dbapi.get_nodegroup_by_uuid(context, cluster, uuid)
nodegroup = NodeGroup._from_db_object(cls(context), db_nodegroup)
return nodegroup
@base.remotable_classmethod
def get_by_name(cls, context, cluster, name):
"""Find a nodegroup based on name and return a NodeGroup object.
:param cluster: the id of a cluster.
:param name: the logical name of a nodegroup.
:param context: Security context
:returns: a :class:`NodeGroup` object.
"""
db_nodegroup = cls.dbapi.get_nodegroup_by_name(context, cluster, name)
nodegroup = NodeGroup._from_db_object(cls(context), db_nodegroup)
return nodegroup
@base.remotable_classmethod
def get_count_all(cls, context, cluster_id):
"""Get count of nodegroups in cluster.
:param context: The security context
:param cluster_id: The uuid of the cluster
:returns: Count of nodegroups in the cluster.
"""
return cls.dbapi.get_cluster_nodegroup_count(context, cluster_id)
@base.remotable_classmethod
def list(cls,
context,
cluster_id,
limit=None,
marker=None,
sort_key=None,
sort_dir=None,
filters=None):
"""Return a list of NodeGroup objects.
:param context: Security context.
:param cluster: The cluster uuid or name
:param limit: maximum number of resources to return in a single result.
:param marker: pagination marker for large data sets.
:param sort_key: column to sort results by.
:param sort_dir: direction to sort. "asc" or "desc".
:param filters: filter dict, can includes 'name', 'node_count',
'stack_id', 'node_addresses',
'status'(should be a status list).
:returns: a list of :class:`NodeGroup` objects.
"""
db_nodegroups = cls.dbapi.list_cluster_nodegroups(context,
cluster_id,
limit=limit,
marker=marker,
sort_key=sort_key,
sort_dir=sort_dir,
filters=filters)
return NodeGroup._from_db_object_list(db_nodegroups, cls, context)
@base.remotable
def create(self, context=None):
"""Create a nodegroup record in the DB.
:param context: Security context
"""
values = self.obj_get_changes()
db_nodegroup = self.dbapi.create_nodegroup(values)
self._from_db_object(self, db_nodegroup)
@base.remotable
def destroy(self, context=None):
"""Delete the NodeGroup from the DB.
:param context: Security context.
"""
self.dbapi.destroy_nodegroup(self.cluster_id, self.uuid)
self.obj_reset_changes()
@base.remotable
def save(self, context=None):
"""Save updates to this NodeGroup.
Updates will be made column by column based on the result
of self.what_changed().
:param context: Security context.
"""
updates = self.obj_get_changes()
self.dbapi.update_nodegroup(self.cluster_id, self.uuid, updates)
self.obj_reset_changes()
@base.remotable
def refresh(self, context=None):
"""Loads updates for this NodeGroup.
Loads a NodeGroup with the same uuid from the database and
checks for updated attributes. Updates are applied from
the loaded NogeGroup column by column, if there are any updates.
:param context: Security context.
"""
current = self.__class__.get_by_uuid(self._context,
cluster=self.cluster_id,
uuid=self.uuid)
for field in self.fields:
if self.obj_attr_is_set(field) and self[field] != current[field]:
self[field] = current[field]
@base.remotable_classmethod
def update_nodegroup(cls, context, cluster_id, nodegroup_id, values):
"""Updates a NodeGroup.
:param context: Security context.
:param cluster_id:
:param nodegroup_id:
:param values: a dictionary with the changed values
"""
current = cls.get(context, cluster_id, nodegroup_id)
db_nodegroup = cls.dbapi.update_nodegroup(cluster_id, current.uuid,
values)
return NodeGroup._from_db_object(cls(context), db_nodegroup)