232 lines
9.1 KiB
Python
232 lines
9.1 KiB
Python
# Copyright (C) 2021 Nippon Telegraph and Telephone Corporation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import io
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import os
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import shutil
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import zipfile
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from oslo_log import log as logging
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from tacker.sol_refactored.common import config
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from tacker.sol_refactored.common import fm_alarm_utils as alarm_utils
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from tacker.sol_refactored.common import fm_subscription_utils as fm_utils
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from tacker.sol_refactored.common import http_client
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from tacker.sol_refactored.common import lcm_op_occ_utils as lcmocc_utils
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from tacker.sol_refactored.common import pm_job_utils
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from tacker.sol_refactored.common import subscription_utils as subsc_utils
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from tacker.sol_refactored.common import vnfd_utils
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from tacker.sol_refactored.nfvo import local_nfvo
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from tacker.sol_refactored import objects
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LOG = logging.getLogger(__name__)
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CONF = config.CONF
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class NfvoClient(object):
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def __init__(self):
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self.is_local = True
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self.nfvo = local_nfvo.LocalNfvo()
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if CONF.v2_nfvo.use_external_nfvo:
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self.is_local = False
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self.endpoint = CONF.v2_nfvo.endpoint
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if CONF.v2_nfvo.use_client_secret_basic:
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auth_handle = http_client.OAuth2AuthHandle(
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self.endpoint,
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CONF.v2_nfvo.token_endpoint,
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CONF.v2_nfvo.client_id,
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CONF.v2_nfvo.client_password)
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else:
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auth_handle = http_client.OAuth2MtlsAuthHandle(
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self.endpoint,
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CONF.v2_nfvo.token_endpoint,
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CONF.v2_nfvo.client_id,
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CONF.v2_nfvo.mtls_ca_cert_file,
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CONF.v2_nfvo.mtls_client_cert_file)
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self.client = http_client.HttpClient(auth_handle)
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self.grant_api_version = CONF.v2_nfvo.grant_api_version
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self.vnfpkgm_api_version = CONF.v2_nfvo.vnfpkgm_api_version
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self.csar_cache_dir = CONF.v2_nfvo.vnf_package_cache_dir
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if not os.path.exists(self.csar_cache_dir):
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os.makedirs(self.csar_cache_dir)
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def get_vnf_package_info_vnfd(self, context, vnfd_id):
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if self.is_local:
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return self.nfvo.onboarded_show(context, vnfd_id)
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url = "{}/vnfpkgm/v2/onboarded_vnf_packages/{}".format(
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self.endpoint, vnfd_id)
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resp, body = self.client.do_request(
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url, "GET", expected_status=[200],
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version=self.vnfpkgm_api_version)
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LOG.debug("vnfpkg_info_vnfd: %s" % body)
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return objects.VnfPkgInfoV2.from_dict(body)
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def onboarded_show_vnfd(self, context, vnfd_id):
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if self.is_local:
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# this is not happen. will raise internal server error.
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LOG.error("onboarded_show_vnfd is called.")
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return
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url = "{}/vnfpkgm/v2/onboarded_vnf_packages/{}/vnfd".format(
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self.endpoint, vnfd_id)
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resp, body = self.client.do_request(
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url, "GET", expected_status=[200],
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version=self.vnfpkgm_api_version)
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return body
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def onboarded_package_content(self, context, vnfd_id):
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if self.is_local:
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# this is not happen. will raise internal server error.
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LOG.error("onboarded_package_content is called.")
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return
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url = "{}/vnfpkgm/v2/onboarded_vnf_packages/{}/package_content"
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url = url.format(self.endpoint, vnfd_id)
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resp, body = self.client.do_request(
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url, "GET", expected_status=[200],
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version=self.vnfpkgm_api_version)
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return body
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def grant(self, context, grant_req):
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LOG.debug("grant request: %s", grant_req.to_dict())
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if self.is_local:
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grant_res = self.nfvo.grant(context, grant_req)
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else:
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url = "{}/grant/v1/grants".format(self.endpoint)
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resp, body = self.client.do_request(
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url, "POST", expected_status=[201], body=grant_req,
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version=self.grant_api_version)
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grant_res = objects.GrantV1.from_dict(body)
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LOG.debug("grant response: %s", grant_res.to_dict())
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return grant_res
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def get_vnfd(self, context, vnfd_id, all_contents=False):
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if self.is_local:
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return self.nfvo.get_vnfd(context, vnfd_id)
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csar_dir = os.path.join(self.csar_cache_dir, vnfd_id)
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vnfd = vnfd_utils.Vnfd(vnfd_id)
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if os.path.isdir(csar_dir):
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# if cache exists, use it regardless of all_contents
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vnfd.init_from_csar_dir(csar_dir)
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elif not all_contents:
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# need VNFD only. not make cache.
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zip_data = self.onboarded_show_vnfd(context, vnfd_id)
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vnfd.init_from_zip_data(zip_data)
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else: # all_contents=True
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# get vnf package contents and make cache
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zip_data = self.onboarded_package_content(context, vnfd_id)
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self._make_csar_cache(csar_dir, zip_data)
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vnfd.init_from_csar_dir(csar_dir)
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return vnfd
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def _make_csar_cache(self, csar_dir, zip_data):
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os.mkdir(csar_dir)
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try:
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buff = io.BytesIO(zip_data)
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with zipfile.ZipFile(buff, 'r') as zf:
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zf.extractall(csar_dir)
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except Exception as ex:
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self._delete_csar_dir(csar_dir)
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raise ex
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def _delete_csar_cache(self, context, vnfd_id):
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insts = objects.VnfInstanceV2.get_by_filter(context,
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vnfdId=vnfd_id)
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# NOTE: assume this method called after delete VnfInstance
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if len(insts) > 0:
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# if there are other vnfinstances using the same cache, do nothing.
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return
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csar_dir = os.path.join(self.csar_cache_dir, vnfd_id)
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if os.path.exists(csar_dir):
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self._delete_csar_dir(csar_dir)
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def _delete_csar_dir(self, csar_dir):
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try:
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shutil.rmtree(csar_dir)
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except Exception:
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# NOTE: it is not failed basically since no one ought to
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# access it. maybe critical system failure if failed.
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# it is critical for tacker since incomplete cache may remain.
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# should be deleted manually.
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LOG.critical("VNF package cache '%s' could not be deleted",
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csar_dir)
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def send_inst_create_notification(self, context, inst, endpoint):
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subscs = subsc_utils.get_inst_create_subscs(context, inst)
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for subsc in subscs:
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notif_data = subsc_utils.make_create_inst_notif_data(
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subsc, inst, endpoint)
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subsc_utils.send_notification(subsc, notif_data)
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if self.is_local:
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self.nfvo.recv_inst_create_notification(context, inst)
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def send_inst_delete_notification(self, context, inst, endpoint):
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subscs = subsc_utils.get_inst_delete_subscs(context, inst)
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for subsc in subscs:
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notif_data = subsc_utils.make_delete_inst_notif_data(
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subsc, inst, endpoint)
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subsc_utils.send_notification(subsc, notif_data)
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if self.is_local:
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self.nfvo.recv_inst_delete_notification(context, inst)
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if not self.is_local:
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self._delete_csar_cache(context, inst.vnfdId)
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def send_lcmocc_notification(self, context, lcmocc, inst, endpoint):
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subscs = subsc_utils.get_lcmocc_subscs(context, lcmocc, inst)
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for subsc in subscs:
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notif_data = lcmocc_utils.make_lcmocc_notif_data(
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subsc, lcmocc, endpoint)
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subsc_utils.send_notification(subsc, notif_data)
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if self.is_local:
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self.nfvo.recv_lcmocc_notification(context, lcmocc, inst)
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def send_alarm_notification(self, context, alarm, inst, endpoint):
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subscs = fm_utils.get_alarm_subscs(context, alarm, inst)
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for subsc in subscs:
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notif_data = alarm_utils.make_alarm_notif_data(
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subsc, alarm, endpoint)
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fm_utils.send_notification(subsc, notif_data)
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def send_pm_job_notification(self, report, pm_job, timestamp, endpoint):
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report_object_instance_id = {entry.objectInstanceId
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for entry in report.entries}
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for instance_id in report_object_instance_id:
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sub_instance_ids = [
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entry.subObjectInstanceId for entry in report.entries
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if (entry.objectInstanceId == instance_id and
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entry.obj_attr_is_set('subObjectInstanceId'))
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]
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notif_data = pm_job_utils.make_pm_notif_data(
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instance_id, sub_instance_ids, report.id,
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pm_job, timestamp, endpoint)
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pm_job_utils.send_notification(pm_job, notif_data)
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