Newer
Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
#!/usr/bin/env python2
# -*- 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.
#
##
from __future__ import print_function
import json
import yaml
import sys
import getopt
"""
Tests the format of OSM VNFD and NSD descriptors
"""
__author__ = "Alfonso Tierno, Guillermo Calvino"
__date__ = "2018-04-16"
__version__ = "0.0.1"
version_date = "Apr 2018"
class ArgumentParserError(Exception):
pass
def usage():
print("Usage: {} [options] FILE".format(sys.argv[0]))
print(" EXPERIMENTAL: Validates vnfd, nsd descriptors format")
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")
return
if __name__=="__main__":
error_position = []
format_output_yaml = True
input_file_name = None
test_file = None
file_name = None
try:
# load parameters and configuration
opts, args = getopt.getopt(sys.argv[1:], "hvi:o:", ["input=", "help", "version",])
for o, a in opts:
if o in ("-v", "--version"):
print ("test descriptor version THREE " + __version__ + ' ' + version_date)
sys.exit()
elif o in ("-h", "--help"):
usage()
sys.exit()
elif o in ("-i", "--input"):
input_file_name = a
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()
file_name = None
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
import osm_im.vnfd as vnfd_catalog
import osm_im.nsd as nsd_catalog
from pyangbind.lib.serialise import pybindJSONDecoder
if "vnfd:vnfd-catalog" in data or "vnfd-catalog" in data:
descriptor = "VNF"
myvnfd = vnfd_catalog.vnfd()
pybindJSONDecoder.load_ietf_json(data, None, None, obj=myvnfd)
elif "nsd:nsd-catalog" in data or "nsd-catalog" in data:
descriptor = "NS"
mynsd = nsd_catalog.nsd()
pybindJSONDecoder.load_ietf_json(data, None, None, obj=mynsd)
else:
descriptor = None
raise KeyError("This is not neither nsd-catalog nor vnfd-catalog descriptor")
exit(0)
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 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 ImportError as e:
print ("Package python-osm-im not installed: {}".format(e), file=sys.stderr)
except Exception as e:
if file_name:
print("Error loading file '{}': {}".format(file_name, str(e)), file=sys.stderr)
else:
if descriptor:
print("Error. Invalid {} descriptor format in '{}': {}".format(descriptor, input_file_name, str(e)), file=sys.stderr)
else:
print("Error. Invalid descriptor format in '{}': {}".format(input_file_name, str(e)), file=sys.stderr)
exit(1)