Container Infrastructure Management Service for OpenStack
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# Copyright 2013 Hewlett-Packard Development Company, L.P.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""SQLAlchemy storage backend."""
import six
from oslo_db import exception as db_exc
from oslo_db.sqlalchemy import session as db_session
from oslo_db.sqlalchemy import utils as db_utils
from oslo_log import log
from oslo_utils import importutils
from oslo_utils import strutils
from oslo_utils import timeutils
from oslo_utils import uuidutils
import sqlalchemy as sa
from sqlalchemy.orm.exc import MultipleResultsFound
from sqlalchemy.orm.exc import NoResultFound
from sqlalchemy.sql import func
from magnum.common import clients
from magnum.common import context as request_context
from magnum.common import exception
import magnum.conf
from magnum.db import api
from magnum.db.sqlalchemy import models
from magnum.i18n import _
profiler_sqlalchemy = importutils.try_import('osprofiler.sqlalchemy')
CONF = magnum.conf.CONF
LOG = log.getLogger(__name__)
_FACADE = None
def _create_facade_lazily():
global _FACADE
if _FACADE is None:
_FACADE = db_session.EngineFacade.from_config(CONF)
if profiler_sqlalchemy:
if CONF.profiler.enabled and CONF.profiler.trace_sqlalchemy:
profiler_sqlalchemy.add_tracing(sa, _FACADE.get_engine(), "db")
return _FACADE
def get_engine():
facade = _create_facade_lazily()
return facade.get_engine()
def get_session(**kwargs):
facade = _create_facade_lazily()
return facade.get_session(**kwargs)
def get_backend():
"""The backend is this module itself."""
return Connection()
def model_query(model, *args, **kwargs):
"""Query helper for simpler session usage.
:param session: if present, the session to use
"""
session = kwargs.get('session') or get_session()
query = session.query(model, *args)
return query
def add_identity_filter(query, value):
"""Adds an identity filter to a query.
Filters results by ID, if supplied value is a valid integer.
Otherwise attempts to filter results by UUID.
:param query: Initial query to add filter to.
:param value: Value for filtering results by.
:return: Modified query.
"""
if strutils.is_int_like(value):
return query.filter_by(id=value)
elif uuidutils.is_uuid_like(value):
return query.filter_by(uuid=value)
else:
raise exception.InvalidIdentity(identity=value)
def _paginate_query(model, limit=None, marker=None, sort_key=None,
sort_dir=None, query=None):
if not query:
query = model_query(model)
sort_keys = ['id']
if sort_key and sort_key not in sort_keys:
sort_keys.insert(0, sort_key)
try:
query = db_utils.paginate_query(query, model, limit, sort_keys,
marker=marker, sort_dir=sort_dir)
except db_exc.InvalidSortKey:
raise exception.InvalidParameterValue(
_('The sort_key value "%(key)s" is an invalid field for sorting')
% {'key': sort_key})
return query.all()
class Connection(api.Connection):
"""SqlAlchemy connection."""
def __init__(self):
pass
def _add_tenant_filters(self, context, query):
if context.is_admin and context.all_tenants:
return query
admin_context = request_context.make_admin_context(all_tenants=True)
osc = clients.OpenStackClients(admin_context)
kst = osc.keystone()
# User in a regular project (not in the trustee domain)
if context.project_id and context.domain_id != kst.trustee_domain_id:
query = query.filter_by(project_id=context.project_id)
# Match project ID component in trustee user's user name against
# cluster's project_id to associate per-cluster trustee users who have
# no project information with the project their clusters/cluster models
# reside in. This is equivalent to the project filtering above.
elif context.domain_id == kst.trustee_domain_id:
user_name = kst.client.users.get(context.user_id).name
user_project = user_name.split('_', 2)[1]
query = query.filter_by(project_id=user_project)
else:
query = query.filter_by(user_id=context.user_id)
return query
def _add_clusters_filters(self, query, filters):
if filters is None:
filters = {}
possible_filters = ["cluster_template_id", "name", "stack_id",
"api_address", "node_addresses", "project_id",
"user_id"]
filter_names = set(filters).intersection(possible_filters)
filter_dict = {filter_name: filters[filter_name]
for filter_name in filter_names}
query = query.filter_by(**filter_dict)
if 'status' in filters:
query = query.filter(models.Cluster.status.in_(filters['status']))
# Helper to filter based on node_count field from nodegroups
def filter_node_count(query, node_count, is_master=False):
nfunc = func.sum(models.NodeGroup.node_count)
nquery = model_query(models.NodeGroup)
if is_master:
nquery = nquery.filter(models.NodeGroup.role == 'master')
else:
nquery = nquery.filter(models.NodeGroup.role != 'master')
nquery = nquery.group_by(models.NodeGroup.cluster_id)
nquery = nquery.having(nfunc == node_count)
uuids = [ng.cluster_id for ng in nquery.all()]
return query.filter(models.Cluster.uuid.in_(uuids))
if 'node_count' in filters:
query = filter_node_count(
query, filters['node_count'], is_master=False)
if 'master_count' in filters:
query = filter_node_count(
query, filters['master_count'], is_master=True)
return query
def get_cluster_list(self, context, filters=None, limit=None, marker=None,
sort_key=None, sort_dir=None):
query = model_query(models.Cluster)
query = self._add_tenant_filters(context, query)
query = self._add_clusters_filters(query, filters)
return _paginate_query(models.Cluster, limit, marker,
sort_key, sort_dir, query)
def create_cluster(self, values):
# ensure defaults are present for new clusters
if not values.get('uuid'):
values['uuid'] = uuidutils.generate_uuid()
cluster = models.Cluster()
cluster.update(values)
try:
cluster.save()
except db_exc.DBDuplicateEntry:
raise exception.ClusterAlreadyExists(uuid=values['uuid'])
return cluster
def get_cluster_by_id(self, context, cluster_id):
query = model_query(models.Cluster)
query = self._add_tenant_filters(context, query)
query = query.filter_by(id=cluster_id)
try:
return query.one()
except NoResultFound:
raise exception.ClusterNotFound(cluster=cluster_id)
def get_cluster_by_name(self, context, cluster_name):
query = model_query(models.Cluster)
query = self._add_tenant_filters(context, query)
query = query.filter_by(name=cluster_name)
try:
return query.one()
except MultipleResultsFound:
raise exception.Conflict('Multiple clusters exist with same name.'
' Please use the cluster uuid instead.')
except NoResultFound:
raise exception.ClusterNotFound(cluster=cluster_name)
def get_cluster_by_uuid(self, context, cluster_uuid):
query = model_query(models.Cluster)
query = self._add_tenant_filters(context, query)
query = query.filter_by(uuid=cluster_uuid)
try:
return query.one()
except NoResultFound:
raise exception.ClusterNotFound(cluster=cluster_uuid)
def get_cluster_stats(self, context, project_id=None):
query = model_query(models.Cluster)
node_count_col = models.NodeGroup.node_count
ncfunc = func.sum(node_count_col)
if project_id:
query = query.filter_by(project_id=project_id)
nquery = query.session.query(ncfunc.label("nodes")).filter_by(
project_id=project_id)
else:
nquery = query.session.query(ncfunc.label("nodes"))
clusters = query.count()
nodes = int(nquery.one()[0]) if nquery.one()[0] else 0
return clusters, nodes
def get_cluster_count_all(self, context, filters=None):
query = model_query(models.Cluster)
query = self._add_tenant_filters(context, query)
query = self._add_clusters_filters(query, filters)
return query.count()
def destroy_cluster(self, cluster_id):
session = get_session()
with session.begin():
query = model_query(models.Cluster, session=session)
query = add_identity_filter(query, cluster_id)
try:
query.one()
except NoResultFound:
raise exception.ClusterNotFound(cluster=cluster_id)
query.delete()
def update_cluster(self, cluster_id, values):
# NOTE(dtantsur): this can lead to very strange errors
if 'uuid' in values:
msg = _("Cannot overwrite UUID for an existing Cluster.")
raise exception.InvalidParameterValue(err=msg)
return self._do_update_cluster(cluster_id, values)
def _do_update_cluster(self, cluster_id, values):
session = get_session()
with session.begin():
query = model_query(models.Cluster, session=session)
query = add_identity_filter(query, cluster_id)
try:
ref = query.with_lockmode('update').one()
except NoResultFound:
raise exception.ClusterNotFound(cluster=cluster_id)
ref.update(values)
return ref
def _add_cluster_template_filters(self, query, filters):
if filters is None:
filters = {}
possible_filters = ["name", "image_id", "flavor_id",
"master_flavor_id", "keypair_id",
"external_network_id", "dns_nameserver",
"project_id", "user_id", "labels"]
filter_names = set(filters).intersection(possible_filters)
filter_dict = {filter_name: filters[filter_name]
for filter_name in filter_names}
return query.filter_by(**filter_dict)
def get_cluster_template_list(self, context, filters=None, limit=None,
marker=None, sort_key=None, sort_dir=None):
query = model_query(models.ClusterTemplate)
query = self._add_tenant_filters(context, query)
query = self._add_cluster_template_filters(query, filters)
# include public (and not hidden) ClusterTemplates
public_q = model_query(models.ClusterTemplate).filter_by(
public=True, hidden=False)
query = query.union(public_q)
# include hidden and public ClusterTemplate if admin
if context.is_admin:
hidden_q = model_query(models.ClusterTemplate).filter_by(
public=True, hidden=True)
query = query.union(hidden_q)
return _paginate_query(models.ClusterTemplate, limit, marker,
sort_key, sort_dir, query)
def create_cluster_template(self, values):
# ensure defaults are present for new ClusterTemplates
if not values.get('uuid'):
values['uuid'] = uuidutils.generate_uuid()
cluster_template = models.ClusterTemplate()
cluster_template.update(values)
try:
cluster_template.save()
except db_exc.DBDuplicateEntry:
raise exception.ClusterTemplateAlreadyExists(uuid=values['uuid'])
return cluster_template
def get_cluster_template_by_id(self, context, cluster_template_id):
query = model_query(models.ClusterTemplate)
query = self._add_tenant_filters(context, query)
public_q = model_query(models.ClusterTemplate).filter_by(public=True)
query = query.union(public_q)
query = query.filter_by(id=cluster_template_id)
try:
return query.one()
except NoResultFound:
raise exception.ClusterTemplateNotFound(
clustertemplate=cluster_template_id)
def get_cluster_template_by_uuid(self, context, cluster_template_uuid):
query = model_query(models.ClusterTemplate)
query = self._add_tenant_filters(context, query)
public_q = model_query(models.ClusterTemplate).filter_by(public=True)
query = query.union(public_q)
query = query.filter_by(uuid=cluster_template_uuid)
try:
return query.one()
except NoResultFound:
raise exception.ClusterTemplateNotFound(
clustertemplate=cluster_template_uuid)
def get_cluster_template_by_name(self, context, cluster_template_name):
query = model_query(models.ClusterTemplate)
query = self._add_tenant_filters(context, query)
public_q = model_query(models.ClusterTemplate).filter_by(public=True)
query = query.union(public_q)
query = query.filter_by(name=cluster_template_name)
try:
return query.one()
except MultipleResultsFound:
raise exception.Conflict('Multiple ClusterTemplates exist with'
' same name. Please use the '
'ClusterTemplate uuid instead.')
except NoResultFound:
raise exception.ClusterTemplateNotFound(
clustertemplate=cluster_template_name)
def _is_cluster_template_referenced(self, session, cluster_template_uuid):
"""Checks whether the ClusterTemplate is referenced by cluster(s)."""
query = model_query(models.Cluster, session=session)
query = self._add_clusters_filters(query, {'cluster_template_id':
cluster_template_uuid})
return query.count() != 0
def _is_publishing_cluster_template(self, values):
if (len(values) == 1 and (
('public' in values and values['public'] is True) or
('hidden' in values) or
('tags' in values and values['tags'] is not None))):
return True
return False
def destroy_cluster_template(self, cluster_template_id):
session = get_session()
with session.begin():
query = model_query(models.ClusterTemplate, session=session)
query = add_identity_filter(query, cluster_template_id)
try:
cluster_template_ref = query.one()
except NoResultFound:
raise exception.ClusterTemplateNotFound(
clustertemplate=cluster_template_id)
if self._is_cluster_template_referenced(
session, cluster_template_ref['uuid']):
raise exception.ClusterTemplateReferenced(
clustertemplate=cluster_template_id)
query.delete()
def update_cluster_template(self, cluster_template_id, values):
# NOTE(dtantsur): this can lead to very strange errors
if 'uuid' in values:
msg = _("Cannot overwrite UUID for an existing ClusterTemplate.")
raise exception.InvalidParameterValue(err=msg)
return self._do_update_cluster_template(cluster_template_id, values)
def _do_update_cluster_template(self, cluster_template_id, values):
session = get_session()
with session.begin():
query = model_query(models.ClusterTemplate, session=session)
query = add_identity_filter(query, cluster_template_id)
try:
ref = query.with_lockmode('update').one()
except NoResultFound:
raise exception.ClusterTemplateNotFound(
clustertemplate=cluster_template_id)
if self._is_cluster_template_referenced(session, ref['uuid']):
# NOTE(flwang): We only allow to update ClusterTemplate to be
# public, hidden and rename
if (not self._is_publishing_cluster_template(values) and
list(six.viewkeys(values)) != ["name"]):
raise exception.ClusterTemplateReferenced(
clustertemplate=cluster_template_id)
ref.update(values)
return ref
def create_x509keypair(self, values):
# ensure defaults are present for new x509keypairs
if not values.get('uuid'):
values['uuid'] = uuidutils.generate_uuid()
x509keypair = models.X509KeyPair()
x509keypair.update(values)
try:
x509keypair.save()
except db_exc.DBDuplicateEntry:
raise exception.X509KeyPairAlreadyExists(uuid=values['uuid'])
return x509keypair
def get_x509keypair_by_id(self, context, x509keypair_id):
query = model_query(models.X509KeyPair)
query = self._add_tenant_filters(context, query)
query = query.filter_by(id=x509keypair_id)
try:
return query.one()
except NoResultFound:
raise exception.X509KeyPairNotFound(x509keypair=x509keypair_id)
def get_x509keypair_by_uuid(self, context, x509keypair_uuid):
query = model_query(models.X509KeyPair)
query = self._add_tenant_filters(context, query)
query = query.filter_by(uuid=x509keypair_uuid)
try:
return query.one()
except NoResultFound:
raise exception.X509KeyPairNotFound(x509keypair=x509keypair_uuid)
def destroy_x509keypair(self, x509keypair_id):
session = get_session()
with session.begin():
query = model_query(models.X509KeyPair, session=session)
query = add_identity_filter(query, x509keypair_id)
count = query.delete()
if count != 1:
raise exception.X509KeyPairNotFound(x509keypair_id)
def update_x509keypair(self, x509keypair_id, values):
# NOTE(dtantsur): this can lead to very strange errors
if 'uuid' in values:
msg = _("Cannot overwrite UUID for an existing X509KeyPair.")
raise exception.InvalidParameterValue(err=msg)
return self._do_update_x509keypair(x509keypair_id, values)
def _do_update_x509keypair(self, x509keypair_id, values):
session = get_session()
with session.begin():
query = model_query(models.X509KeyPair, session=session)
query = add_identity_filter(query, x509keypair_id)
try:
ref = query.with_lockmode('update').one()
except NoResultFound:
raise exception.X509KeyPairNotFound(x509keypair=x509keypair_id)
ref.update(values)
return ref
def _add_x509keypairs_filters(self, query, filters):
if filters is None:
filters = {}
if 'project_id' in filters:
query = query.filter_by(project_id=filters['project_id'])
if 'user_id' in filters:
query = query.filter_by(user_id=filters['user_id'])
return query
def get_x509keypair_list(self, context, filters=None, limit=None,
marker=None, sort_key=None, sort_dir=None):
query = model_query(models.X509KeyPair)
query = self._add_tenant_filters(context, query)
query = self._add_x509keypairs_filters(query, filters)
return _paginate_query(models.X509KeyPair, limit, marker,
sort_key, sort_dir, query)
def destroy_magnum_service(self, magnum_service_id):
session = get_session()
with session.begin():
query = model_query(models.MagnumService, session=session)
query = add_identity_filter(query, magnum_service_id)
count = query.delete()
if count != 1:
raise exception.MagnumServiceNotFound(
magnum_service_id=magnum_service_id)
def update_magnum_service(self, magnum_service_id, values):
session = get_session()
with session.begin():
query = model_query(models.MagnumService, session=session)
query = add_identity_filter(query, magnum_service_id)
try:
ref = query.with_lockmode('update').one()
except NoResultFound:
raise exception.MagnumServiceNotFound(
magnum_service_id=magnum_service_id)
if 'report_count' in values:
if values['report_count'] > ref.report_count:
ref.last_seen_up = timeutils.utcnow()
ref.update(values)
return ref
def get_magnum_service_by_host_and_binary(self, host, binary):
query = model_query(models.MagnumService)
query = query.filter_by(host=host, binary=binary)
try:
return query.one()
except NoResultFound:
return None
def create_magnum_service(self, values):
magnum_service = models.MagnumService()
magnum_service.update(values)
try:
magnum_service.save()
except db_exc.DBDuplicateEntry:
host = values["host"]
binary = values["binary"]
LOG.warning("Magnum service with same host:%(host)s and"
" binary:%(binary)s had been saved into DB",
{'host': host, 'binary': binary})
query = model_query(models.MagnumService)
query = query.filter_by(host=host, binary=binary)
return query.one()
return magnum_service
def get_magnum_service_list(self, disabled=None, limit=None,
marker=None, sort_key=None, sort_dir=None
):
query = model_query(models.MagnumService)
if disabled:
query = query.filter_by(disabled=disabled)
return _paginate_query(models.MagnumService, limit, marker,
sort_key, sort_dir, query)
def create_quota(self, values):
quotas = models.Quota()
quotas.update(values)
try:
quotas.save()
except db_exc.DBDuplicateEntry:
raise exception.QuotaAlreadyExists(project_id=values['project_id'],
resource=values['resource'])
return quotas
def _add_quota_filters(self, query, filters):
if filters is None:
filters = {}
possible_filters = ["resource", "project_id"]
filter_names = set(filters).intersection(possible_filters)
filter_dict = {filter_name: filters[filter_name]
for filter_name in filter_names}
query = query.filter_by(**filter_dict)
return query
def get_quota_list(self, context, filters=None, limit=None, marker=None,
sort_key=None, sort_dir=None):
query = model_query(models.Quota)
query = self._add_quota_filters(query, filters)
return _paginate_query(models.Quota, limit, marker,
sort_key, sort_dir, query)
def update_quota(self, project_id, values):
session = get_session()
with session.begin():
query = model_query(models.Quota, session=session)
resource = values['resource']
try:
query = query.filter_by(project_id=project_id).filter_by(
resource=resource)
ref = query.with_lockmode('update').one()
except NoResultFound:
msg = (_('project_id %(project_id)s resource %(resource)s.') %
{'project_id': project_id, 'resource': resource})
raise exception.QuotaNotFound(msg=msg)
ref.update(values)
return ref
def delete_quota(self, project_id, resource):
session = get_session()
with session.begin():
query = model_query(models.Quota, session=session)
try:
query.filter_by(project_id=project_id).filter_by(
resource=resource).one()
except NoResultFound:
msg = (_('project_id %(project_id)s resource %(resource)s.') %
{'project_id': project_id, 'resource': resource})
raise exception.QuotaNotFound(msg=msg)
query.delete()
def get_quota_by_id(self, context, quota_id):
query = model_query(models.Quota)
query = query.filter_by(id=quota_id)
try:
return query.one()
except NoResultFound:
msg = _('quota id %s .') % quota_id
raise exception.QuotaNotFound(msg=msg)
def quota_get_all_by_project_id(self, project_id):
query = model_query(models.Quota)
result = query.filter_by(project_id=project_id).all()
return result
def get_quota_by_project_id_resource(self, project_id, resource):
query = model_query(models.Quota)
query = query.filter_by(project_id=project_id).filter_by(
resource=resource)
try:
return query.one()
except NoResultFound:
msg = (_('project_id %(project_id)s resource %(resource)s.') %
{'project_id': project_id, 'resource': resource})
raise exception.QuotaNotFound(msg=msg)
def _add_federation_filters(self, query, filters):
if filters is None:
filters = {}
possible_filters = ["name", "project_id", "hostcluster_id",
"member_ids", "properties"]
# TODO(clenimar): implement 'member_ids' filter as a contains query,
# so we return all the federations that have the given clusters,
# instead of all the federations that *only* have the exact given
# clusters.
filter_names = set(filters).intersection(possible_filters)
filter_dict = {filter_name: filters[filter_name]
for filter_name in filter_names}
query = query.filter_by(**filter_dict)
if 'status' in filters:
query = query.filter(
models.Federation.status.in_(filters['status']))
return query
def get_federation_by_id(self, context, federation_id):
query = model_query(models.Federation)
query = self._add_tenant_filters(context, query)
query = query.filter_by(id=federation_id)
try:
return query.one()
except NoResultFound:
raise exception.FederationNotFound(federation=federation_id)
def get_federation_by_uuid(self, context, federation_uuid):
query = model_query(models.Federation)
query = self._add_tenant_filters(context, query)
query = query.filter_by(uuid=federation_uuid)
try:
return query.one()
except NoResultFound:
raise exception.FederationNotFound(federation=federation_uuid)
def get_federation_by_name(self, context, federation_name):
query = model_query(models.Federation)
query = self._add_tenant_filters(context, query)
query = query.filter_by(name=federation_name)
try:
return query.one()
except MultipleResultsFound:
raise exception.Conflict('Multiple federations exist with same '
'name. Please use the federation uuid '
'instead.')
except NoResultFound:
raise exception.FederationNotFound(federation=federation_name)
def get_federation_list(self, context, limit=None, marker=None,
sort_key=None, sort_dir=None, filters=None):
query = model_query(models.Federation)
query = self._add_tenant_filters(context, query)
query = self._add_federation_filters(query, filters)
return _paginate_query(models.Federation, limit, marker,
sort_key, sort_dir, query)
def create_federation(self, values):
if not values.get('uuid'):
values['uuid'] = uuidutils.generate_uuid()
federation = models.Federation()
federation.update(values)
try:
federation.save()
except db_exc.DBDuplicateEntry:
raise exception.FederationAlreadyExists(uuid=values['uuid'])
return federation
def destroy_federation(self, federation_id):
session = get_session()
with session.begin():
query = model_query(models.Federation, session=session)
query = add_identity_filter(query, federation_id)
try:
query.one()
except NoResultFound:
raise exception.FederationNotFound(federation=federation_id)
query.delete()
def update_federation(self, federation_id, values):
if 'uuid' in values:
msg = _("Cannot overwrite UUID for an existing Federation.")
raise exception.InvalidParameterValue(err=msg)
return self._do_update_federation(federation_id, values)
def _do_update_federation(self, federation_id, values):
session = get_session()
with session.begin():
query = model_query(models.Federation, session=session)
query = add_identity_filter(query, federation_id)
try:
ref = query.with_lockmode('update').one()
except NoResultFound:
raise exception.FederationNotFound(federation=federation_id)
ref.update(values)
return ref
def _add_nodegoup_filters(self, query, filters):
if filters is None:
filters = {}
possible_filters = ["name", "node_count", "node_addresses",
"role", "is_default"]
filter_names = set(filters).intersection(possible_filters)
filter_dict = {filter_name: filters[filter_name]
for filter_name in filter_names}
query = query.filter_by(**filter_dict)
if 'status' in filters:
query = query.filter(
models.NodeGroup.status.in_(filters['status']))
return query
def create_nodegroup(self, values):
if not values.get('uuid'):
values['uuid'] = uuidutils.generate_uuid()
nodegroup = models.NodeGroup()
nodegroup.update(values)
try:
nodegroup.save()
except db_exc.DBDuplicateEntry:
raise exception.NodeGroupAlreadyExists(
cluster_id=values['cluster_id'], name=values['name'])
return nodegroup
def destroy_nodegroup(self, cluster_id, nodegroup_id):
session = get_session()
with session.begin():
query = model_query(models.NodeGroup, session=session)
query = add_identity_filter(query, nodegroup_id)
query = query.filter_by(cluster_id=cluster_id)
try:
query.one()
except NoResultFound:
raise exception.NodeGroupNotFound(nodegroup=nodegroup_id)
query.delete()
def update_nodegroup(self, cluster_id, nodegroup_id, values):
return self._do_update_nodegroup(cluster_id, nodegroup_id, values)
def _do_update_nodegroup(self, cluster_id, nodegroup_id, values):
session = get_session()
with session.begin():
query = model_query(models.NodeGroup, session=session)
query = add_identity_filter(query, nodegroup_id)
query = query.filter_by(cluster_id=cluster_id)
try:
ref = query.with_lockmode('update').one()
except NoResultFound:
raise exception.NodeGroupNotFound(nodegroup=nodegroup_id)
ref.update(values)
return ref
def get_nodegroup_by_id(self, context, cluster_id, nodegroup_id):
query = model_query(models.NodeGroup)
if not context.is_admin:
query = query.filter_by(project_id=context.project_id)
query = query.filter_by(cluster_id=cluster_id)
query = query.filter_by(id=nodegroup_id)
try:
return query.one()
except NoResultFound:
raise exception.NodeGroupNotFound(nodegroup=nodegroup_id)
def get_nodegroup_by_uuid(self, context, cluster_id, nodegroup_uuid):
query = model_query(models.NodeGroup)
if not context.is_admin:
query = query.filter_by(project_id=context.project_id)
query = query.filter_by(cluster_id=cluster_id)
query = query.filter_by(uuid=nodegroup_uuid)
try:
return query.one()
except NoResultFound:
raise exception.NodeGroupNotFound(nodegroup=nodegroup_uuid)
def get_nodegroup_by_name(self, context, cluster_id, nodegroup_name):
query = model_query(models.NodeGroup)
if not context.is_admin:
query = query.filter_by(project_id=context.project_id)
query = query.filter_by(cluster_id=cluster_id)
query = query.filter_by(name=nodegroup_name)
try:
return query.one()
except MultipleResultsFound:
raise exception.Conflict('Multiple nodegroups exist with same '
'name. Please use the nodegroup uuid '
'instead.')
except NoResultFound:
raise exception.NodeGroupNotFound(nodegroup=nodegroup_name)
def list_cluster_nodegroups(self, context, cluster_id, filters=None,
limit=None, marker=None, sort_key=None,
sort_dir=None):
query = model_query(models.NodeGroup)
if not context.is_admin:
query = query.filter_by(project_id=context.project_id)
query = query.filter_by(cluster_id=cluster_id)
query = self._add_nodegoup_filters(query, filters)
return _paginate_query(models.NodeGroup, limit, marker,
sort_key, sort_dir, query)
def get_cluster_nodegroup_count(self, context, cluster_id):
query = model_query(models.NodeGroup)
if not context.is_admin:
query = query.filter_by(project_id=context.project_id)
query = query.filter_by(cluster_id=cluster_id)
return query.count()