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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 urllib2
import uuid
from catalog.pub.config.config import CATALOG_ROOT_PATH
from catalog.pub.database.models import VnfPackageModel
from catalog.pub.exceptions import CatalogException
from catalog.pub.utils.values import ignore_case_get
from catalog.pub.utils import fileutil, toscaparser
logger = logging.getLogger(__name__)
def create_vnf_pkg(data):
user_defined_data = ignore_case_get(data, "userDefinedData")
vnf_pkg_id = str(uuid.uuid4())
VnfPackageModel.objects.create(
vnfPackageId=vnf_pkg_id,
onboardingState="CREATED",
operationalState="DISABLED",
usageState="NOT_IN_USE",
userDefinedData=user_defined_data
)
data = {
"id": vnf_pkg_id,
"onboardingState": "CREATED",
"operationalState": "DISABLED",
"usageState": "NOT_IN_USE",
"userDefinedData": user_defined_data,
"_links": None
}
return data
def query_multiple():
pkgs_info = []
nf_pkgs = VnfPackageModel.objects.filter()
if not nf_pkgs.exists():
raise CatalogException('VNF packages do not exist.')
for nf_pkg in nf_pkgs:
ret = query_single(nf_pkg.vnfPackageId)
pkgs_info.append(ret)
return pkgs_info
def query_single(vnf_pkg_id):
pkg_info = {}
nf_pkg = VnfPackageModel.objects.filter(vnfPackageId=vnf_pkg_id)
if not nf_pkg.exists():
raise CatalogException('VNF package(%s) does not exist.' % vnf_pkg_id)
pkg_info["id"] = nf_pkg[0].vnfPackageId
pkg_info["vnfdId"] = nf_pkg[0].vnfdId
pkg_info["vnfProductName"] = nf_pkg[0].vnfdProductName
pkg_info["vnfSoftwareVersion"] = nf_pkg[0].vnfSoftwareVersion
pkg_info["vnfdVersion"] = nf_pkg[0].vnfdVersion
pkg_info["checksum"] = json.JSONDecoder().decode(nf_pkg[0].checksum)
pkg_info["softwareImages"] = None # TODO
pkg_info["additionalArtifacts"] = None # TODO
pkg_info["onboardingState"] = nf_pkg[0].onboardingState
pkg_info["operationalState"] = nf_pkg[0].operationalState
pkg_info["usageState"] = nf_pkg[0].usageState
pkg_info["userDefinedData"] = json.JSONDecoder().decode(nf_pkg[0].userDefinedData)
pkg_info["_links"] = None # TODO
return pkg_info
def delete_vnf_pkg(vnf_pkg_id):
vnf_pkg = VnfPackageModel.objects.filter(vnfPackageId=vnf_pkg_id)
if not vnf_pkg.exists():
logger.debug('VNF package(%s) is deleted.' % vnf_pkg_id)
return
if vnf_pkg[0].onboardingState != "CREATED":
raise CatalogException("The VNF package (%s) is not on-boarded" % vnf_pkg_id)
if vnf_pkg[0].operationalState != "DISABLED":
raise CatalogException("The VNF package (%s) is not disabled" % vnf_pkg_id)
if vnf_pkg[0].usageState != "NOT_IN_USE":
raise CatalogException("The VNF package (%s) is in use" % vnf_pkg_id)
vnf_pkg.delete()
vnf_pkg_path = os.path.join(CATALOG_ROOT_PATH, vnf_pkg_id)
fileutil.delete_dirs(vnf_pkg_path)
def parse_vnfd_and_save(vnf_pkg_id, vnf_pkg_path):
vnfd_json = toscaparser.parse_vnfd(vnf_pkg_path)
vnfd = json.JSONDecoder().decode(vnfd_json)
vnfd_id = vnfd["metadata"]["id"]
if VnfPackageModel.objects.filter(vnfdId=vnfd_id):
raise CatalogException("VNFD(%s) already exists." % vnfd_id)
vnfd_ver = vnfd["metadata"].get("vnfd_version")
if not vnfd_ver:
vnfd_ver = vnfd["metadata"].get("vnfdVersion", "undefined")
VnfPackageModel(
vnfPackageId=vnf_pkg_id,
vnfdId=vnfd_id,
vnfVendor=vnfd["metadata"].get("vendor", "undefined"),
vnfdVersion=vnfd_ver,
vnfSoftwareVersion=vnfd["metadata"].get("version", "undefined"),
vnfdModel=vnfd_json,
onboardingState="ONBOARDED",
operationalState="ENABLED",
usageState="NOT_IN_USE",
localFilePath=vnf_pkg_path
).save()
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.message)
except Exception as e:
logger.error(e.message)
logger.error(traceback.format_exc())
logger.error(str(sys.exc_info()))
def upload_vnf_pkg_from_uri(self):
logger.debug("UploadVnf %s" % self.vnf_pkg_id)
vnf_pkg = VnfPackageModel.objects.filter(vnfPackageId=self.vnf_pkg_id)
if vnf_pkg[0].onboardingState != "CREATED":
raise CatalogException("VNF package (%s) is not created" % self.vnf_pkg_id)
uri = ignore_case_get(self.data, "addressInformation")
upload_path = os.path.join(CATALOG_ROOT_PATH, self.vnf_pkg_id)
if not os.path.exists(upload_path):
os.makedirs(upload_path, 0o777)
r = urllib2.Request(uri)
req = urllib2.urlopen(r)
self.upload_file_name = os.path.join(upload_path, os.path.basename(uri))
save_file = open(self.upload_file_name, "wb")
save_file.write(req.read())
save_file.close()
req.close()
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