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# Copyright 2018 ZTE Corporation.
#
# 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.
import json
import logging
import os
import sys
import threading
import traceback
import urllib
import uuid
from catalog.packages.biz.common import parse_file_range, read, save
from catalog.pub.config.config import CATALOG_ROOT_PATH
from catalog.pub.database.models import VnfPackageModel, NSPackageModel
from catalog.pub.exceptions import CatalogException, ResourceNotFoundException
from catalog.pub.utils.values import ignore_case_get
from catalog.pub.utils import fileutil, toscaparser
from catalog.packages.const import PKG_STATUS
logger = logging.getLogger(__name__)
class VnfPackage(object):
def __init__(self):
pass
def create_vnf_pkg(self, data):
user_defined_data = ignore_case_get(data, "userDefinedData", {})
vnf_pkg_id = str(uuid.uuid4())
VnfPackageModel.objects.create(
vnfPackageId=vnf_pkg_id,
onboardingState=PKG_STATUS.CREATED,
operationalState=PKG_STATUS.DISABLED,
usageState=PKG_STATUS.NOT_IN_USE,
userDefinedData=json.dumps(user_defined_data)
)
data = {
"id": vnf_pkg_id,
"onboardingState": PKG_STATUS.CREATED,
"operationalState": PKG_STATUS.DISABLED,
"usageState": PKG_STATUS.NOT_IN_USE,
"userDefinedData": user_defined_data,
"_links": None
}
return data
def query_multiple(self):
pkgs_info = []
nf_pkgs = VnfPackageModel.objects.filter()
if not nf_pkgs.exists():
logger.debug("VNF infos does not exist.")
return []
for nf_pkg in nf_pkgs:
ret = fill_response_data(nf_pkg)
pkgs_info.append(ret)
return pkgs_info
def query_single(self, vnf_pkg_id):
nf_pkg = VnfPackageModel.objects.filter(vnfPackageId=vnf_pkg_id)
if not nf_pkg.exists():
logger.error('VNF package(%s) does not exist.' % vnf_pkg_id)
raise ResourceNotFoundException('VNF package(%s) does not exist.' % vnf_pkg_id)
return fill_response_data(nf_pkg[0])
def delete_vnf_pkg(self, vnf_pkg_id):
vnf_pkg = VnfPackageModel.objects.filter(vnfPackageId=vnf_pkg_id)
if not vnf_pkg.exists():
logger.debug('VNF package(%s) has been deleted.' % vnf_pkg_id)
return
'''
if vnf_pkg[0].operationalState != PKG_STATUS.DISABLED:
raise CatalogException("The VNF package (%s) is not disabled" % vnf_pkg_id)
if vnf_pkg[0].usageState != PKG_STATUS.NOT_IN_USE:
raise CatalogException("The VNF package (%s) is in use" % vnf_pkg_id)
'''
del_vnfd_id = vnf_pkg[0].vnfdId
ns_pkgs = NSPackageModel.objects.all()
for ns_pkg in ns_pkgs:
nsd_model = None
if ns_pkg.nsdModel:
nsd_model = json.JSONDecoder().decode(ns_pkg.nsdModel)
if not nsd_model:
continue
for vnf in nsd_model['vnfs']:
if del_vnfd_id == vnf["properties"]["descriptor_id"]:
raise CatalogException('VNFD(%s) is referenced.' % del_vnfd_id)
vnf_pkg.delete()
vnf_pkg_path = os.path.join(CATALOG_ROOT_PATH, vnf_pkg_id)
fileutil.delete_dirs(vnf_pkg_path)
logger.info('VNF package(%s) has been deleted.' % vnf_pkg_id)
def upload(self, vnf_pkg_id, remote_file):
logger.info('Start to upload VNF package(%s)...' % vnf_pkg_id)
vnf_pkg = VnfPackageModel.objects.filter(vnfPackageId=vnf_pkg_id)
# if vnf_pkg[0].onboardingState != PKG_STATUS.CREATED:
# logger.error("VNF package(%s) is not CREATED" % vnf_pkg_id)
# raise CatalogException("VNF package(%s) is not CREATED" % vnf_pkg_id)
vnf_pkg.update(onboardingState=PKG_STATUS.UPLOADING)
local_file_name = save(remote_file, vnf_pkg_id)
logger.info('VNF package(%s) has been uploaded.' % vnf_pkg_id)
return local_file_name
def download(self, vnf_pkg_id, file_range):
logger.info('Start to download VNF package(%s)...' % vnf_pkg_id)
nf_pkg = VnfPackageModel.objects.filter(vnfPackageId=vnf_pkg_id)
if not nf_pkg.exists():
logger.error('VNF package(%s) does not exist.' % vnf_pkg_id)
raise ResourceNotFoundException('VNF package(%s) does not exist.' % vnf_pkg_id)
if nf_pkg[0].onboardingState != PKG_STATUS.ONBOARDED:
raise CatalogException("VNF package (%s) is not on-boarded" % vnf_pkg_id)
local_file_path = nf_pkg[0].localFilePath
start, end = parse_file_range(local_file_path, file_range)
logger.info('VNF package (%s) has been downloaded.' % vnf_pkg_id)
return read(local_file_path, start, end)
class VnfPkgUploadThread(threading.Thread):
def __init__(self, data, vnf_pkg_id):
threading.Thread.__init__(self)
self.vnf_pkg_id = vnf_pkg_id
self.data = data
self.upload_file_name = None
def run(self):
try:
self.upload_vnf_pkg_from_uri()
parse_vnfd_and_save(self.vnf_pkg_id, self.upload_file_name)
except CatalogException as e:
logger.error(e.args[0])
except Exception as e:
logger.error(e.args[0])
logger.error(traceback.format_exc())
logger.error(str(sys.exc_info()))
def upload_vnf_pkg_from_uri(self):
logger.info("Start to upload VNF packge(%s) from URI..." % self.vnf_pkg_id)
vnf_pkg = VnfPackageModel.objects.filter(vnfPackageId=self.vnf_pkg_id)
if vnf_pkg[0].onboardingState != PKG_STATUS.CREATED:
logger.error("VNF package(%s) is not CREATED" % self.vnf_pkg_id)
raise CatalogException("VNF package (%s) is not created" % self.vnf_pkg_id)
vnf_pkg.update(onboardingState=PKG_STATUS.UPLOADING)
uri = ignore_case_get(self.data, "addressInformation")
response = urllib.request.urlopen(uri)
local_file_dir = os.path.join(CATALOG_ROOT_PATH, self.vnf_pkg_id)
self.upload_file_name = os.path.join(local_file_dir, os.path.basename(uri))
if not os.path.exists(local_file_dir):
fileutil.make_dirs(local_file_dir)
with open(self.upload_file_name, "wt") as local_file:
local_file.write(response.read())
response.close()
logger.info('VNF packge(%s) has been uploaded.' % self.vnf_pkg_id)
def fill_response_data(nf_pkg):
pkg_info = {}
pkg_info["id"] = nf_pkg.vnfPackageId
pkg_info["vnfdId"] = nf_pkg.vnfdId
pkg_info["vnfProductName"] = nf_pkg.vnfdProductName
pkg_info["vnfSoftwareVersion"] = nf_pkg.vnfSoftwareVersion
pkg_info["vnfdVersion"] = nf_pkg.vnfdVersion
if nf_pkg.checksum:
pkg_info["checksum"] = json.JSONDecoder().decode(nf_pkg.checksum)
pkg_info["softwareImages"] = None # TODO
pkg_info["additionalArtifacts"] = None # TODO
pkg_info["onboardingState"] = nf_pkg.onboardingState
pkg_info["operationalState"] = nf_pkg.operationalState
pkg_info["usageState"] = nf_pkg.usageState
if nf_pkg.userDefinedData:
pkg_info["userDefinedData"] = json.JSONDecoder().decode(nf_pkg.userDefinedData)
pkg_info["_links"] = None # TODO
return pkg_info
def parse_vnfd_and_save(vnf_pkg_id, vnf_pkg_path):
logger.info('Start to process VNF package(%s)...' % vnf_pkg_id)
vnf_pkg = VnfPackageModel.objects.filter(vnfPackageId=vnf_pkg_id)
vnf_pkg.update(onboardingState=PKG_STATUS.PROCESSING)
vnfd_json = toscaparser.parse_vnfd(vnf_pkg_path)
vnfd = json.JSONDecoder().decode(vnfd_json)
if vnfd.get("vnf", "") != "":
vnfd_id = vnfd["vnf"]["properties"].get("descriptor_id", "")
other_pkg = VnfPackageModel.objects.filter(vnfdId=vnfd_id)
if other_pkg and other_pkg[0].vnfPackageId != vnf_pkg_id:
logger.error("VNF package(%s,%s) already exists.", other_pkg[0].vnfPackageId, vnfd_id)
raise CatalogException("VNF package(%s) already exists." % vnfd_id)
vnf_provider = vnfd["vnf"]["properties"].get("provider", "")
vnfd_ver = vnfd["vnf"]["properties"].get("descriptor_version", "")
vnf_software_version = vnfd["vnf"]["properties"].get("software_version", "")
vnfd_product_name = vnfd["vnf"]["properties"].get("product_name", "")
vnf_pkg.update(
vnfPackageId=vnf_pkg_id,
vnfdId=vnfd_id,
vnfdProductName=vnfd_product_name,
vnfVendor=vnf_provider,
vnfdVersion=vnfd_ver,
vnfSoftwareVersion=vnf_software_version,
vnfdModel=vnfd_json,
onboardingState=PKG_STATUS.ONBOARDED,
operationalState=PKG_STATUS.ENABLED,
usageState=PKG_STATUS.NOT_IN_USE,
localFilePath=vnf_pkg_path,
vnfPackageUri=os.path.split(vnf_pkg_path)[-1]
)
else:
raise CatalogException("VNF propeties and metadata in VNF Package(id=%s) are empty." % vnf_pkg_id)
logger.info('VNF package(%s) has been processed(done).' % vnf_pkg_id)
def handle_upload_failed(vnf_pkg_id):
vnf_pkg = VnfPackageModel.objects.filter(vnfPackageId=vnf_pkg_id)
vnf_pkg.update(onboardingState=PKG_STATUS.CREATED)
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