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
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
# -*- coding: utf8 -*-
# ============LICENSE_START=======================================================
# org.onap.vvp/validation-scripts
# ===================================================================
# Copyright © 2020 AT&T Intellectual Property. All rights reserved.
# ===================================================================
#
# Unless otherwise specified, all software contained herein is licensed
# under the Apache License, Version 2.0 (the "License");
# you may not use this software 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.
#
#
#
# Unless otherwise specified, all documentation contained herein is licensed
# under the Creative Commons License, Attribution 4.0 Intl. (the "License");
# you may not use this documentation except in compliance with the License.
# You may obtain a copy of the License at
#
# https://creativecommons.org/licenses/by/4.0/
#
# Unless required by applicable law or agreed to in writing, documentation
# 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.
#
# ============LICENSE_END============================================
import argparse
import json
import logging as logger
from onap_client.resource import Resource
from onap_client.exceptions import InvalidSpecException, ResourceTypeNotFoundException
from onap_client.client.clients import get_client
def dumper(obj):
try:
return obj.toJSON()
except: # noqa: E722
return str(obj)
def list_spec_resources():
for subclass in Resource.__subclasses__():
print(subclass.resource_name)
def show_resource_spec(resource_name):
for subclass in Resource.__subclasses__():
if resource_name == subclass.resource_name:
print(json.dumps(subclass.spec, default=dumper, indent=4))
return subclass.spec
print(
"Resource {} not found. This is the list of available resources:".format(
resource_name
)
)
list_spec_resources()
def load_spec(input_spec, validate_only=False, submit=True, suppress_out=False, config=None):
try:
with open(input_spec, "r") as f:
jdata = json.loads(f.read())
except json.decoder.JSONDecodeError:
print("{} is not valid json, exiting...".format(input_spec))
raise
engine = SpecEngine(config_file=config)
return engine.load_spec(jdata, validate_only=validate_only, distribute=submit, suppress_out=suppress_out)
def spec_cli(args):
parser = argparse.ArgumentParser(description="Spec Engine CLI")
parser.add_argument(
"--load-spec",
required=False,
help="Load a local spec file into the ONAP client spec engine.",
)
parser.add_argument(
"--validate-spec",
required=False,
help="Validates a local spec file for the spec engine.",
)
parser.add_argument(
"--show-resource-spec", required=False, help="Show spec for a given resource."
)
parser.add_argument(
"--oc-config", required=False, help="Path to configuration file for ONAP Client."
)
parser.add_argument(
"--no-submit", action="store_false", required=False, default=True, help="Dont execute submit() for each resource in spec."
)
parser.add_argument(
"--no-outputs", action="store_true", required=False, default=False, help="Don't return the full output from each created resource."
)
parser.add_argument(
"--list-spec-resources",
action="store_true",
required=False,
help="List available spec resources.",
)
arguments = parser.parse_args(args)
if arguments.list_spec_resources:
list_spec_resources()
elif arguments.show_resource_spec:
show_resource_spec(arguments.show_resource_spec)
elif arguments.validate_spec:
print(json.dumps(load_spec(arguments.validate_spec, validate_only=True, suppress_out=arguments.no_outputs), indent=4))
elif arguments.load_spec:
print(json.dumps(load_spec(arguments.load_spec, submit=arguments.no_submit, suppress_out=arguments.no_outputs, config=arguments.oc_config), indent=4))
class SpecEngine:
def __init__(self, config_file=None, **oc_kwargs):
self.spec = {}
self.oc = get_client(config_file=config_file, **oc_kwargs)
def load_spec(self, spec, distribute=True, validate_only=False, suppress_out=False):
self.spec = resolve_spec(spec)
self.validate(self.spec.get("spec", {}))
logger.info("Loading spec into spec engine:")
logger.info(json.dumps(self.spec, indent=4))
out = self.spec
if not validate_only:
out = self._create(self.spec.get("spec", {}), distribute, suppress_out)
return out
def validate(self, spec):
if not isinstance(spec, list):
raise InvalidSpecException(
"Input spec to spec engine must be a list, but is type {}".format(
type(spec)
)
)
for item_spec in spec:
if not isinstance(item_spec, dict):
raise InvalidSpecException(
"Items in input spec to engine must be dict, but is type {}".format(
type(item_spec)
)
)
resource_type = item_spec.get("type")
if not resource_type:
raise InvalidSpecException(
"Items in input spec must contain key/value item for 'type:'"
)
resource_spec = item_spec.get("resource_spec")
if not resource_spec:
raise InvalidSpecException(
"Items in input spec must contain key/value item for 'resource_spec:'"
)
subclass = get_resource_subclass(resource_type)
if not subclass:
raise ResourceTypeNotFoundException(
"Resource type {} was not found".format(resource_type)
)
subclass.validate(resource_spec)
def _create(self, spec, distribute, suppress_out):
full_engine_spec = []
for item_spec in spec:
resource_type = item_spec.get("type")
resource_spec = item_spec.get("resource_spec")
subclass = get_resource_subclass(resource_type)
if not subclass:
raise ResourceTypeNotFoundException(
"Resource type {} was not found".format(resource_type)
)
full_spec = subclass.validate(resource_spec)
logger.debug(json.dumps(full_spec, indent=4))
t = subclass.create_from_spec(full_spec, submit=distribute)
finished_spec = {"type": resource_type, "resource_spec": full_spec}
if not suppress_out:
finished_spec["output"] = t._output()
full_engine_spec.append(finished_spec)
return {"spec": full_engine_spec}
def resolve_spec(spec_dict):
specs = spec_dict.get("spec")
parameters = spec_dict.get("parameters", {})
for param_name, param_val in parameters.items():
specs = replace(specs, "{{{{{}}}}}".format(param_name), param_val)
spec_dict["spec"] = specs
return spec_dict
def replace(data, match, repl):
if isinstance(data, dict):
return {k: replace(v, match, repl) for k, v in data.items()}
elif isinstance(data, list):
return [replace(i, match, repl) for i in data]
else:
return repl if data == match else data
def get_resource_subclass(subclass_name):
for subclass in Resource.__subclasses__():
if subclass.resource_name == subclass_name:
return subclass
return None
|
