186 lines
7.5 KiB
Python
186 lines
7.5 KiB
Python
# Copyright 2015 Huawei Technologies Co., Ltd.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import itertools
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import six.moves
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from dcorch.common import consts
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from dcorch.common import exceptions
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from dcorch.objects import orchjob
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from dcorch.objects import orchrequest
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from dcorch.objects import resource
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from dcorch.objects import subcloud as subcloud_obj
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from oslo_db import exception as oslo_db_exception
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from oslo_log import log as logging
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LOG = logging.getLogger(__name__)
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def get_import_path(cls):
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return cls.__module__ + "." + cls.__name__
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# Returns a iterator of tuples containing batch_size number of objects in each
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def get_batch_projects(batch_size, project_list, fillvalue=None):
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args = [iter(project_list)] * batch_size
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return six.moves.zip_longest(fillvalue=fillvalue, *args)
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# to do validate the quota limits
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def validate_quota_limits(payload):
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for rsrc in payload:
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# Check valid resource name
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if rsrc not in itertools.chain(consts.CINDER_QUOTA_FIELDS,
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consts.NOVA_QUOTA_FIELDS,
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consts.NEUTRON_QUOTA_FIELDS):
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raise exceptions.InvalidInputError
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# Check valid quota limit value in case for put/post
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if isinstance(payload, dict) and (not isinstance(
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payload[rsrc], int) or payload[rsrc] <= 0):
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raise exceptions.InvalidInputError
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def keypair_construct_id(name, user_id):
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# Keypair has a unique name per user.
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# Hence, keypair id stored in dcorch DB is of the format
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# "<name>/<user_id>".
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return name + consts.KEYPAIR_ID_DELIM + user_id
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def keypair_constructed_id(id):
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if id and id.find(consts.KEYPAIR_ID_DELIM) > 0:
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return True
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return False
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def keypair_deconstruct_id(id):
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if keypair_constructed_id(id):
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return id.split(consts.KEYPAIR_ID_DELIM)
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else:
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return [id, ""]
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def enqueue_work(context, endpoint_type,
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resource_type, source_resource_id,
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operation_type, resource_info=None,
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subcloud=None):
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"""Enqueue work into the DB
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:param context: authorization context
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:param endpoint_type: consts.ENDPOINT_TYPE_*
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:param resource_type: consts.RESOURCE_TYPE_*
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:param source_resource_id: resource id in system controller
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:param operation_type: consts.OPERATION_TYPE_*
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:param resource_info: json string representing resource info, optional
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:param subcloud: subcloud resource, optional
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:return: nothing
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The enqueue_work() routine would be used by the API proxy code, to store
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information about a requested sync job in the DB. It would typically be
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followed by a call to sync_request() to wake up the sync threads in case
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they're sleeping.
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It would be called like this to create and then delete a flavor:
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utils.enqueue_work(context,
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consts.ENDPOINT_TYPE_COMPUTE,
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consts.RESOURCE_TYPE_COMPUTE_FLAVOR,
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'0bbdb1ed-acc9-440f-b6e9-b1c6d37d9a56',
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consts.OPERATION_TYPE_CREATE,
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resource_info='{"ram": 512, "vcpus": 3,
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"name": "testflavor",
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"disk":10, "id":"auto"}')
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utils.enqueue_work(context,
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consts.ENDPOINT_TYPE_COMPUTE,
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consts.RESOURCE_TYPE_COMPUTE_FLAVOR,
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'0bbdb1ed-acc9-440f-b6e9-b1c6d37d9a56',
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consts.OPERATION_TYPE_DELETE)
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Flavor-access add/remove examples:
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utils.enqueue_work(context.get_admin_context(),
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consts.ENDPOINT_TYPE_COMPUTE,
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consts.RESOURCE_TYPE_COMPUTE_FLAVOR,
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'0bbdb1ed-acc9-440f-b6e9-b1c6d37d9a56',
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consts.OPERATION_TYPE_ACTION,
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resource_info='{
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"addTenantAccess": {"tenant": "new_tenant"}}')
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utils.enqueue_work(context.get_admin_context(),
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consts.ENDPOINT_TYPE_COMPUTE,
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consts.RESOURCE_TYPE_COMPUTE_FLAVOR,
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'0bbdb1ed-acc9-440f-b6e9-b1c6d37d9a56',
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consts.OPERATION_TYPE_ACTION,
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resource_info='{
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"removeTenantAccess": {"tenant": "new_tenant"}}')
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"""
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if operation_type in [consts.OPERATION_TYPE_CREATE,
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consts.OPERATION_TYPE_PATCH]:
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try:
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rsrc = resource.Resource(
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context=context, resource_type=resource_type,
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master_id=source_resource_id)
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rsrc.create()
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LOG.info("Resource created in DB {}/{}/{}/{}".format(
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rsrc.id, resource_type, source_resource_id, operation_type))
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except oslo_db_exception.DBDuplicateEntry:
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# In case of discrepancies found during audit, resource might
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# be already present in DB, but not its dependent resources.
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# A retry of create should work, in such cases.
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# Another scenario handled here is that of two threads trying to
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# create the resource at the same time. One will fail due to unique
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# constraint uniq_resource0resource_type0master_id0deleted
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rsrc = resource.Resource.get_by_type_and_master_id(
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context, resource_type, source_resource_id)
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LOG.info("Resource already in DB {}/{}/{}/{}".format(
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rsrc.id, resource_type, source_resource_id, operation_type))
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except Exception as e:
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LOG.exception(e)
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return
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else:
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try:
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rsrc = resource.Resource.get_by_type_and_master_id(
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context, resource_type, source_resource_id)
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except exceptions.ResourceNotFound:
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# Some resources do not go through a create
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LOG.info("Resource not in DB {}/{}/{}".format(
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resource_type, source_resource_id, operation_type))
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rsrc = resource.Resource(
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context=context, resource_type=resource_type,
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master_id=source_resource_id)
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rsrc.create()
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# todo: user_id and project_id are not used, to be removed from model
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orch_job = orchjob.OrchJob(
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context=context, user_id='', project_id='',
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endpoint_type=endpoint_type, source_resource_id=source_resource_id,
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operation_type=operation_type, resource_id=rsrc.id,
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resource_info=resource_info)
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orch_job.create()
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if subcloud:
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subclouds = [subcloud]
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else:
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subclouds = subcloud_obj.SubcloudList.get_all(context)
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for sc in subclouds:
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orch_req = orchrequest.OrchRequest(
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context=context, state=consts.ORCH_REQUEST_QUEUED,
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target_region_name=sc.region_name,
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orch_job_id=orch_job.id)
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orch_req.create()
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LOG.info("Work order created for {}:{}/{}/{}/{}".format(
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subcloud, rsrc.id, resource_type, source_resource_id, operation_type))
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