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# Copyright 2017 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 logging
import os
import sys
import traceback
from catalog.pub.config.config import CATALOG_ROOT_PATH, CATALOG_URL_PATH, MSB_SERVICE_IP
from catalog.pub.config.config import REG_TO_MSB_REG_PARAM
from catalog.pub.database.models import NSPackageModel
from catalog.pub.exceptions import CatalogException
from catalog.pub.msapi import sdc
from catalog.pub.utils import toscaparser
from catalog.packages.biz.ns_descriptor import NsDescriptor
logger = logging.getLogger(__name__)
STATUS_SUCCESS, STATUS_FAILED = "success", "failed"
METADATA = "metadata"
def fmt_ns_pkg_rsp(status, desc, error_code="500"):
return [0, {"status": status, "statusDescription": desc, "errorCode": error_code}]
def ns_on_distribute(csar_id):
ret = None
try:
ret = NsPackage().on_distribute(csar_id)
except CatalogException as e:
NsPackage().delete_csar(csar_id)
return fmt_ns_pkg_rsp(STATUS_FAILED, e.message)
except:
logger.error(traceback.format_exc())
NsPackage().delete_csar(csar_id)
return fmt_ns_pkg_rsp(STATUS_FAILED, str(sys.exc_info()))
if ret[0]:
return fmt_ns_pkg_rsp(STATUS_FAILED, ret[1])
return fmt_ns_pkg_rsp(STATUS_SUCCESS, ret[1], "")
def ns_delete_csar(csar_id):
ret = None
try:
ret = NsPackage().delete_csar(csar_id)
except CatalogException 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_get_csars():
ret = None
try:
ret = NsPackage().get_csars()
except CatalogException as e:
return [1, e.message]
except:
logger.error(traceback.format_exc())
return [1, str(sys.exc_info())]
return ret
def ns_get_csar(csar_id):
ret = None
try:
ret = NsPackage().get_csar(csar_id)
except CatalogException as e:
return [1, e.message]
except Exception as e:
logger.error(e.message)
logger.error(traceback.format_exc())
return [1, str(sys.exc_info())]
return ret
def parse_nsd(csar_id, inputs):
ret = None
try:
ns_pkg = NSPackageModel.objects.filter(nsPackageId=csar_id)
if not ns_pkg:
raise CatalogException("NS CSAR(%s) does not exist." % csar_id)
csar_path = ns_pkg[0].localFilePath
ret = {"model": toscaparser.parse_nsd(csar_path, inputs)}
except CatalogException as e:
return [1, e.message]
except Exception as e:
logger.error(e.message)
logger.error(traceback.format_exc())
return [1, str(sys.exc_info())]
return [0, ret]
class NsPackage(object):
"""
Actions for sdc ns package.
"""
def __init__(self):
pass
def on_distribute(self, csar_id):
if NSPackageModel.objects.filter(nsPackageId=csar_id):
return [1, "NS CSAR(%s) already exists." % csar_id]
artifact = sdc.get_artifact(sdc.ASSETTYPE_SERVICES, csar_id)
local_path = os.path.join(CATALOG_ROOT_PATH, csar_id)
csar_name = "%s.csar" % artifact.get("name", csar_id)
local_file_name = sdc.download_artifacts(artifact["toscaModelURL"], local_path, csar_name)
data = {
'userDefinedData': ""
}
nsd = NsDescriptor()
nsd.create(data, csar_id)
nsd.parse_nsd_and_save(csar_id, local_file_name, False)
return [0, "CSAR(%s) distributed successfully." % csar_id]
def delete_csar(self, csar_id):
nsd = NsDescriptor()
nsd.delete_single(csar_id)
return [0, "Delete CSAR(%s) successfully." % csar_id]
def get_csars(self):
csars = []
nss = NSPackageModel.objects.filter()
for ns in nss:
ret = self.get_csar(ns.nsPackageId)
csars.append(ret[1])
return [0, csars]
def get_csar(self, csar_id):
package_info = {}
csars = NSPackageModel.objects.filter(nsPackageId=csar_id)
if csars:
package_info["nsdId"] = csars[0].nsdId
package_info["nsPackageId"] = csars[0].nsPackageId
package_info["nsdProvider"] = csars[0].nsdDesginer
package_info["nsdVersion"] = csars[0].nsdVersion
package_info["csarName"] = csars[0].nsPackageUri
package_info["nsdModel"] = csars[0].nsdModel
package_info["nsdInvariantId"] = csars[0].invariantId
package_info["downloadUrl"] = "http://%s:%s/%s/%s/%s" % (
MSB_SERVICE_IP,
REG_TO_MSB_REG_PARAM[0]["nodes"][0]["port"],
CATALOG_URL_PATH,
csar_id,
csars[0].nsPackageUri)
else:
raise CatalogException("Ns package[%s] not Found." % csar_id)
return [0, {"csarId": csar_id, "packageInfo": package_info}]
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