--- /dev/null
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+##
+# All Rights Reserved.
+#
+# 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 yaml
+# import logging
+import sys
+import getopt
+
+
+"""
+Converts OSM VNFD, NSD descriptor from release TWO to release THREE format
+"""
+__author__ = "Alfonso Tierno"
+__date__ = "2017-10-14"
+__version__ = "0.0.1"
+version_date = "Nov 2017"
+
+
+class ArgumentParserError(Exception):
+ pass
+
+
+def usage():
+ print("Usage: {} [options] FILE".format(sys.argv[0]))
+ print(" EXPERIMENTAL: Upgrade vnfd, nsd descriptor from old versions to release THREE version")
+ print(" FILE: a yaml or json vnfd-catalog or nsd-catalog descriptor")
+ print(" OPTIONS:")
+ print(" -v|--version: prints current version")
+ print(" -h|--help: shows this help")
+ print(" -i|--input FILE: (same as param FILE) descriptor file to be upgraded")
+ print(" -o|--output FILE: where to write generated descriptor. By default stdout")
+ # print(" --test: Content is tested to check wrong format or unknown keys")
+ return
+
+
+def remove_prefix(desc, prefix):
+ """
+ Recursively removes prefix from keys
+ :param desc: dictionary or list to change
+ :param prefix: prefix to remove. Must
+ :return: None, param desc is changed
+ """
+ prefix_len = len(prefix)
+ if isinstance(desc, dict):
+ prefixed_list=[]
+ for k,v in desc.items():
+ if isinstance(v, (list, tuple, dict)):
+ remove_prefix(v, prefix)
+ if isinstance(k, str) and k.startswith(prefix) and k != prefix:
+ prefixed_list.append(k)
+ for k in prefixed_list:
+ desc[k[prefix_len:]] = desc.pop(k)
+ elif isinstance(desc, (list, tuple)):
+ for i in desc:
+ if isinstance(desc, (list, tuple, dict)):
+ remove_prefix(i, prefix)
+
+
+if __name__=="__main__":
+ error_position = []
+ format_output_yaml = True
+ input_file_name = None
+ output_file_name = None
+ test_file = None
+ try:
+ # load parameters and configuration
+ opts, args = getopt.getopt(sys.argv[1:], "hvi:o:", ["input=", "help", "version", "output=", "test",])
+
+ for o, a in opts:
+ if o in ("-v", "--version"):
+ print ("upgrade descriptor version " + __version__ + ' ' + version_date)
+ sys.exit()
+ elif o in ("-h", "--help"):
+ usage()
+ sys.exit()
+ elif o in ("-i", "--input"):
+ input_file_name = a
+ elif o in ("-o", "--output"):
+ output_file_name = a
+ elif o == "--test":
+ test_file = True
+ else:
+ assert False, "Unhandled option"
+ if not input_file_name:
+ if not args:
+ raise ArgumentParserError("missing DESCRIPTOR_FILE parameter. Type --help for more info")
+ input_file_name = args[0]
+
+ # Open files
+ file_name = input_file_name
+ with open(file_name, 'r') as f:
+ descriptor_str = f.read()
+ if output_file_name:
+ file_name = output_file_name
+ output = open(file_name, 'w')
+ else:
+ output = sys.stdout
+
+ if input_file_name.endswith('.yaml') or input_file_name.endswith('.yml') or not \
+ (input_file_name.endswith('.json') or '\t' in descriptor_str):
+ data = yaml.load(descriptor_str)
+ else: # json
+ data = json.loads(descriptor_str)
+ format_output_yaml = False
+
+ # Convert version
+ if "vnfd:vnfd-catalog" in data or "vnfd-catalog" in data:
+ remove_prefix(data, "vnfd:")
+ error_position.append("vnfd-catalog")
+ vnfd_descriptor = data["vnfd-catalog"]
+
+ vnfd_list = vnfd_descriptor["vnfd"]
+ error_position.append("vnfd")
+ for vnfd in vnfd_list:
+ error_position[-1] = "vnfd[{}]".format(vnfd["id"])
+
+ # Remove vnf-configuration:config-attributes
+ if "vnf-configuration" in vnfd and "config-attributes" in vnfd["vnf-configuration"]:
+ del vnfd["vnf-configuration"]["config-attributes"]
+
+ # Iterate with vdu:interfaces
+ vdu_list = vnfd["vdu"]
+ error_position.append("vdu")
+ for vdu in vdu_list:
+ error_position[-1] = "vdu[{}]".format(vdu["id"])
+
+ # Change exernal/internal interface
+ interface_list = []
+ external_interface_list = vdu.pop("external-interface", ())
+ error_position.append("external-interface")
+ for external_interface in external_interface_list:
+ error_position[-1] = "external-interface[{}]".format(external_interface["name"])
+ external_interface["type"] = "EXTERNAL"
+ external_interface["external-connection-point-ref"] = \
+ external_interface.pop("vnfd-connection-point-ref")
+ interface_list.append(external_interface)
+ error_position.pop()
+
+ internal_interface_list = vdu.pop("internal-interface", ())
+ error_position.append("internal-interface")
+ for internal_interface in internal_interface_list:
+ error_position[-1] = "internal-interface[{}]".format(internal_interface["name"])
+ internal_interface["type"] = "INTERNAL"
+ internal_interface["internal-connection-point-ref"] = \
+ internal_interface.pop("vdu-internal-connection-point-ref")
+ interface_list.append(internal_interface)
+ error_position.pop()
+
+ if interface_list:
+ vdu["interface"] = interface_list
+ error_position.pop()
+ error_position = []
+ elif "nsd:nsd-catalog" in data or "nsd-catalog" in data:
+ remove_prefix(data, "nsd:")
+ error_position.append("nsd-catalog")
+ nsd_descriptor = data["nsd-catalog"]
+
+ nsd_list = nsd_descriptor["nsd"]
+ error_position.append("nsd")
+ for nsd in nsd_list:
+ error_position[-1] = "nsd[{}]".format(nsd["id"])
+
+ # Change initial-config-primitive into initial-service-primitive
+ if "initial-config-primitive" in nsd:
+ nsd['initial-service-primitive'] = nsd.pop("initial-config-primitive")
+ error_position = []
+ else:
+ error_position = ["global"]
+ raise KeyError("This is not neither nsd-catalog nor vnfd-catalog descriptor")
+
+ if format_output_yaml:
+ yaml.dump(data, output, indent=4, default_flow_style=False)
+ else:
+ json.dump(data, output)
+
+ except yaml.YAMLError as exc:
+ error_pos = ""
+ if hasattr(exc, 'problem_mark'):
+ mark = exc.problem_mark
+ error_pos = "at line:%s column:%s" % (mark.line + 1, mark.column + 1)
+ print("Error loading file '{}'. yaml format error {}".format(input_file_name, error_pos), file=sys.stderr)
+
+ except json.decoder.JSONDecodeError as e:
+ print("Invalid field at configuration file '{file}' {message}".format(file=input_file_name, message=str(e)),
+ file=sys.stderr)
+ except ArgumentParserError as e:
+ print(str(e), file=sys.stderr)
+ except IOError as e:
+ print("Error loading file '{}': {}".format(file_name, e), file=sys.stderr)
+ except Exception as e:
+ if error_position:
+ print("Descriptor error at '{}': {}".format(":".join(error_position), e), file=sys.stderr)
+ else:
+ raise
+ # print("Unexpected exception {}".format(e), file=sys.stderr)
+ exit(1)
projects / osm / devops.git / commitdiff