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# Copyright 2016 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 traceback
import sys
from lcm.pub.database.models import NSDModel, NSInstModel, NfPackageModel
from lcm.pub.utils.values import ignore_case_get
from lcm.pub.msapi.catalog import STATUS_ONBOARDED, P_STATUS_ENABLED
from lcm.pub.msapi.catalog import query_csar_from_catalog, set_csar_state
from lcm.pub.msapi.catalog import query_rawdata_from_catalog, delete_csar_from_catalog
from lcm.pub.exceptions import NSLCMException
from lcm.pub.utils import toscautil
logger = logging.getLogger(__name__)
STATUS_SUCCESS, STATUS_FAILED = "success", "failed"
def fmt_ns_pkg_rsp(status, desc, error_code="500"):
return [0, {"status": status, "statusDescription": desc, "errorCode": error_code}]
def ns_common_call(fun, csar_id, operation=""):
ret = None
try:
if operation == "":
ret = fun(csar_id)
else:
ret = fun(csar_id, operation)
if ret[0] != 0:
return fmt_ns_pkg_rsp(STATUS_FAILED, ret[1])
except NSLCMException as e:
return fmt_ns_pkg_rsp(STATUS_FAILED, e.message)
except:
logger.error(traceback.format_exc())
return fmt_ns_pkg_rsp(STATUS_FAILED, str(sys.exc_info()))
return fmt_ns_pkg_rsp(STATUS_SUCCESS, ret[1], "")
def ns_on_boarding(csar_id):
return ns_common_call(NsPackage().on_boarding, csar_id)
def ns_delete_csar(csar_id):
return ns_common_call(NsPackage().delete_csar, csar_id)
def ns_delete_pending_csar(csar_id):
return ns_common_call(NsPackage().delete_pending_csar, csar_id)
def ns_set_state_csar(csar_id, operation):
return ns_common_call(NsPackage().set_state_csar, csar_id, operation)
def ns_get_csar(csar_id):
ret = None
try:
ret = NsPackage().get_csar(csar_id)
except NSLCMException as e:
return [1, e.message]
except:
logger.error(traceback.format_exc())
return [1, str(sys.exc_info())]
return ret
###############################################################################################################
class NsPackage(object):
"""
Actions for ns package.
"""
def __init__(self):
pass
def on_boarding(self, csar_id):
csar = query_csar_from_catalog(csar_id)
if ignore_case_get(csar, "onBoardState") == STATUS_ONBOARDED:
raise NSLCMException("CSAR(%s) already onBoarded." % csar_id)
raw_data = query_rawdata_from_catalog(csar_id)
nsd = toscautil.convert_nsd_model(raw_data["rawData"]) # convert to inner json
nsd = json.JSONDecoder().decode(nsd)
nsd_id = nsd["metadata"]["id"]
if NSDModel.objects.filter(nsd_id=nsd_id):
raise NSLCMException("NSD(%s) already exists." % nsd_id)
for vnf in nsd["vnfs"]:
vnfd_id = vnf["properties"]["id"]
pkg = NfPackageModel.objects.filter(vnfdid=vnfd_id)
if not pkg:
raise NSLCMException("VNF package(%s) is not onBoarded." % vnfd_id)
pkg_id = pkg[0].nfpackageid
if query_csar_from_catalog(pkg_id, "onBoardState") != STATUS_ONBOARDED:
raise NSLCMException("VNF package(%s) is not onBoarded on catalog." % pkg_id)
NSDModel(
id=csar_id,
nsd_id=nsd_id,
name=nsd["metadata"].get("name", nsd_id),
vendor=nsd["metadata"].get("vendor", "undefined"),
description=nsd["metadata"].get("description", ""),
version=nsd["metadata"].get("version", "undefined"),
nsd_model=json.JSONEncoder().encode(nsd)).save()
set_csar_state(csar_id, "onBoardState", STATUS_ONBOARDED)
set_csar_state(csar_id, "operationalState", P_STATUS_ENABLED)
return [0, "CSAR(%s) onBoarded successfully." % csar_id]
def delete_csar(self, csar_id):
if not NSDModel.objects.filter(id=csar_id):
return delete_csar_from_catalog(csar_id)
if NSInstModel.objects.filter(nspackage_id=csar_id):
return set_csar_state(csar_id, "deletionPending", True)
ret = delete_csar_from_catalog(csar_id)
if ret[0] == 0:
NSDModel.objects.filter(id=csar_id).delete()
return ret
def delete_pending_csar(self, csar_id):
if not NSDModel.objects.filter(id=csar_id):
return [0, "Delete pending CSAR(%s) successfully." % csar_id]
pending = query_csar_from_catalog(csar_id, "deletionPending")
if pending.lower() == "false":
return [1, "CSAR(%s) need not to be deleted." % csar_id]
if NSInstModel.objects.filter(nspackage_id=csar_id):
return [1, "CSAR(%s) is in using, cannot be deleted." % csar_id]
ret = delete_csar_from_catalog(csar_id)
if ret[0] == 0:
NSDModel.objects.filter(id=csar_id).delete()
return ret
def get_csar(self, csar_id):
package_info = {}
csar_in_catalog = query_csar_from_catalog(csar_id)
props_of_catalog = [
"name", "provider", "version", "operationalState", "usageState",
"onBoardState", "processState", "deletionPending", "downloadUri",
"createTime", "modifyTime", "format", "size"]
for prop in props_of_catalog:
package_info[prop] = ignore_case_get(csar_in_catalog, prop)
csars = NSDModel.objects.filter(id=csar_id)
if csars:
package_info["nsdId"] = csars[0].nsd_id
package_info["nsdProvider"] = csars[0].vendor
package_info["nsdVersion"] = csars[0].version
nss = NSInstModel.objects.filter(nspackage_id=csar_id)
ns_instance_info = [{"nsInstanceId": ns.id, "nsInstanceName": ns.name} for ns in nss]
return [0, {"csarId": csar_id, "packageInfo": package_info, "nsInstanceInfo": ns_instance_info}]
def set_state_csar(self, csar_id, operation):
if not NSDModel.objects.filter(id=csar_id):
raise NSLCMException("CSAR(%s) does not exist." % csar_id)
csar = query_csar_from_catalog(csar_id)
if ignore_case_get(csar, "operationalState") == operation.capitalize():
raise NSLCMException("CSAR(%s) already %s." % (csar_id, operation))
return set_csar_state(csar_id, 'operationState', operation.capitalize())
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