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
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
|
from typing import Any, Dict
from yaml import SafeLoader, load
from onapsdk.configuration import settings
from onapsdk.exceptions import ResourceNotFound
from onapsdk.sdc2.pnf import Pnf
from onapsdk.sdc2.component_instance import ComponentInstance, ComponentInstanceInput
from onapsdk.sdc2.sdc_resource import LifecycleOperation, LifecycleState
from onapsdk.sdc2.service import Service, ServiceInstantiationType
from onapsdk.sdc2.vf import Vf
from onapsdk.sdc2.vl import Vl
from ..base import BaseStep, YamlTemplateBaseStep
from .pnf import PnfOnboardStep, YamlTemplatePnfOnboardStep
from .vf import VfOnboardStep, YamlTemplateVfOnboardStep
class ServiceOnboardStep(BaseStep):
"""Service onboard step."""
def __init__(self):
"""Initialize step.
Substeps:
- VfOnboardStep.
"""
super().__init__(cleanup=settings.CLEANUP_FLAG)
if settings.VF_NAME != "":
self.add_step(VfOnboardStep())
if settings.PNF_NAME != "":
self.add_step(PnfOnboardStep())
@property
def description(self) -> str:
"""Step description."""
return "Onboard service in SDC."
@property
def component(self) -> str:
"""Component name."""
return "SDC"
def check_preconditions(self, cleanup=False) -> bool:
if not super().check_preconditions(cleanup):
return False
if cleanup:
return settings.SDC_CLEANUP
return True
@BaseStep.store_state
def execute(self):
"""Onboard service.
Use settings values:
- VL_NAME,
- VF_NAME,
- PNF_NAME,
- SERVICE_NAME,
- SERVICE_INSTANTIATION_TYPE.
"""
super().execute()
try:
service: Service = Service.get_by_name(name=settings.SERVICE_NAME)
if service.distributed:
return
except ResourceNotFound:
service = Service.create(name=settings.SERVICE_NAME,
instantiation_type=settings.SERVICE_INSTANTIATION_TYPE)
if settings.VL_NAME != "":
vl: Vl = Vl(name=settings.VL_NAME)
service.add_resource(vl)
if settings.VF_NAME != "":
vf: Vf = Vf(name=settings.VF_NAME)
service.add_resource(vf)
if settings.PNF_NAME != "":
pnf: Pnf = Pnf(name=settings.PNF_NAME)
service.add_resource(pnf)
if service.lifecycle_state != LifecycleState.CERTIFIED:
service.lifecycle_operation(LifecycleOperation.CERTIFY)
service.distribute()
@BaseStep.store_state
def cleanup(self) -> None:
"""Cleanup service onboard step."""
try:
service: Service = Service.get_by_name(name=settings.SERVICE_NAME)
service.archive()
service.delete()
except ResourceNotFound:
self._logger.info(f"Service {settings.SERVICE_NAME} not found")
super().cleanup()
class YamlTemplateServiceOnboardStep(YamlTemplateBaseStep):
"""Service onboard using YAML template step."""
def __init__(self):
"""Initialize step.
Substeps:
- YamlTemplateVfOnboardStep.
"""
super().__init__(cleanup=settings.CLEANUP_FLAG)
self._yaml_template: dict = None
self._model_yaml_template: dict = None
if "vnfs" in self.yaml_template[self.service_name]:
self.add_step(YamlTemplateVfOnboardStep())
if "pnfs" in self.yaml_template[self.service_name]:
self.add_step(YamlTemplatePnfOnboardStep())
@property
def description(self) -> str:
"""Step description."""
return "Onboard service described in YAML file in SDC."
@property
def component(self) -> str:
"""Component name."""
return "SDC"
def check_preconditions(self, cleanup=False) -> bool:
if not super().check_preconditions(cleanup):
return False
if cleanup:
return settings.SDC_CLEANUP
return True
@property
def yaml_template(self) -> dict:
"""Step YAML template.
Load from file if it's a root step, get from parent otherwise.
Returns:
dict: Step YAML template
"""
if settings.MODEL_YAML_TEMPLATE:
return self.model_yaml_template
if self.is_root:
if not self._yaml_template:
with open(settings.SERVICE_YAML_TEMPLATE, "r", encoding="utf-8") as yaml_template:
self._yaml_template: dict = load(yaml_template, SafeLoader)
return self._yaml_template
return self.parent.yaml_template
@property
def model_yaml_template(self) -> dict:
"""Step Model YAML template.
Load from file if it's a root step, get from parent otherwise.
Returns:
dict: Step YAML template
"""
if self.is_root:
if not self._model_yaml_template:
with open(settings.MODEL_YAML_TEMPLATE, "r",
encoding="utf-8") as model_yaml_template:
self._model_yaml_template: dict = load(model_yaml_template, SafeLoader)
return self._model_yaml_template
return self.parent.model_yaml_template
@YamlTemplateBaseStep.store_state
def execute(self):
"""Onboard service."""
super().execute()
if "instantiation_type" in self.yaml_template[self.service_name]:
instantiation_type: ServiceInstantiationType = ServiceInstantiationType(
self.yaml_template[self.service_name]["instantiation_type"])
else:
instantiation_type: ServiceInstantiationType = ServiceInstantiationType.A_LA_CARTE
try:
service: Service = Service.get_by_name(name=self.service_name)
if service.distributed:
return
except ResourceNotFound:
service = Service.create(name=self.service_name, instantiation_type=instantiation_type)
self.declare_resources(service)
self.assign_properties(service)
if service.lifecycle_state != LifecycleState.CERTIFIED:
service.lifecycle_operation(LifecycleOperation.CERTIFY)
service.distribute()
def declare_resources(self, service: Service) -> None:
"""Declare resources.
Resources defined in YAML template are declared.
Args:
service (Service): Service object
"""
if "networks" in self.yaml_template[self.service_name]:
for net in self.yaml_template[self.service_name]["networks"]:
vl: Vl = Vl.get_by_name(name=net['vl_name'])
service.add_resource(vl)
if "vnfs" in self.yaml_template[self.service_name]:
for vnf in self.yaml_template[self.service_name]["vnfs"]:
vf: Vf = Vf.get_by_name(name=vnf["vnf_name"])
service.add_resource(vf)
if "pnfs" in self.yaml_template[self.service_name]:
for pnf in self.yaml_template[self.service_name]["pnfs"]:
pnf_obj: Pnf = Pnf.get_by_name(name=pnf["pnf_name"])
service.add_resource(pnf_obj)
def assign_properties(self, service: Service) -> None:
"""Assign components properties.
For each component set properties and it's value if are declared
in YAML template.
Args:
service (Service): Service object
"""
if "networks" in self.yaml_template[self.service_name]:
for net in self.yaml_template[self.service_name]["networks"]:
if "properties" in net:
vl_component: ComponentInstance = service.get_component_by_name(net['vl_name'])
self.assign_properties_to_component(vl_component, net["properties"])
if "vnfs" in self.yaml_template[self.service_name]:
for vnf in self.yaml_template[self.service_name]["vnfs"]:
if "properties" in vnf:
vf_component: ComponentInstance = service.get_component_by_name(vnf["vnf_name"])
self.assign_properties_to_component(vf_component, vnf["properties"])
if "pnfs" in self.yaml_template[self.service_name]:
for pnf in self.yaml_template[self.service_name]["pnfs"]:
if "properties" in pnf:
pnf_component: ComponentInstance = \
service.get_component_by_name(pnf["pnf_name"])
self.assign_properties_to_component(pnf_component, pnf["properties"])
def assign_properties_to_component(self,
component: ComponentInstance,
component_properties: Dict[str, Any]) -> None:
"""Assign properties to component.
Args:
component (Component): Component to which properites are going to be assigned
component_properties (Dict[str, Any]): Properties dictionary
"""
for property_name, property_value in component_properties.items():
prop: ComponentInstanceInput = component.get_input_by_name(property_name)
prop.value = property_value
@YamlTemplateBaseStep.store_state(cleanup=True)
def cleanup(self) -> None:
"""Cleanup service onboard step."""
try:
service: Service = Service.get_by_name(name=self.service_name)
service.archive()
service.delete()
except ResourceNotFound:
self._logger.info(f"Service {self.service_name} not found")
super().cleanup()
|
