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
|
"""Utility functions that invoke operations of simulator script."""
import os
import sys
import time
import yaml
from ipaddress import ip_address
from typing import Dict, Optional
from decorator import decorator
import docker
from onaptests.masspnfsimulator.MassPnfSim import (
MassPnfSim, get_parser
)
def get_config() -> Dict:
"""Read a config YAML file."""
config = None
dir_path = os.path.dirname(os.path.realpath(__file__))
with open(f"{dir_path}/pnf_config.yaml", "r") as ymlfile:
config = yaml.load(ymlfile)
return config
def get_default_args() -> None:
"""Prepare default arguments for required operations.
Returns:
args (argparse.Namespace): default arguments.
"""
parser = get_parser()
args = parser.parse_args('')
return args
def switch_workdir(back_pwd: str = None) -> Optional[str]:
"""Switch work directory temporarily for PNF simulator operations.
When `back_pwd` path is provided, it means go back tp the repository
you came from.
Arguments:
back_pwd: path to go back to.
Returns:
old_pwd (str): previous path.
"""
sim_file_path = sys.modules[MassPnfSim.__module__].__file__
sim_dir_path = os.path.dirname(sim_file_path)
old_pwd = os.getcwd()
if not back_pwd:
curr_pwd = sim_dir_path
else:
curr_pwd = back_pwd
os.chdir(curr_pwd)
return old_pwd
@decorator
def chdir(func, *args, **kwargs):
"""Switches to and from the simulator workspace."""
old_pwd = switch_workdir()
ret = func(*args, **kwargs)
switch_workdir(old_pwd)
return ret
@chdir
def build_image() -> None:
"""Build simulator image."""
build = getattr(MassPnfSim(), "build")
args = get_default_args()
build(args)
@chdir
def remove_image() -> None:
"""Remove simulator image(s)."""
client = docker.from_env()
sim_image_name = "nexus3.onap.org:10003/onap/masspnf-simulator"
images = client.images.list(sim_image_name)
for obj in images:
client.images.remove(obj.id, force=True)
@chdir
def bootstrap_simulator() -> None:
"""Setup simulator(s) repo, data and configs."""
args = get_default_args()
config = get_config()
# collect settings that will be placed in the simulator directory
vesprotocol = config["setup"].get('vesprotocol', "http")
vesip = config["setup"].get('vesip', "")
vesport = config["setup"].get('vesport', "")
vesresource = config["setup"].get('vesresource', "")
vesversion = config["setup"].get('vesversion', "")
urlves = f"{vesprotocol}://{vesip}:{vesport}/{vesresource}/{vesversion}"
# assign to simulator's arguments
args.count = config["setup"].get('count', 1)
args.urlves = urlves
args.ipstart = ip_address(config["setup"].get('ipstart', ''))
args.ipfileserver = config["setup"].get('ipfileserver', '')
args.typefileserver = config["setup"].get('typefileserver', '')
args.user = config["setup"].get('user', '')
args.password = config["setup"].get('password', '')
# bootstrap with assigned arguments
bootstrap = getattr(MassPnfSim(), "bootstrap")
bootstrap(args)
@chdir
def run_container() -> None:
"""Run simulator container(s)."""
start = getattr(MassPnfSim(), "start")
args = get_default_args()
start(args)
@chdir
def register() -> None:
"""Send an event to VES.
Use time.sleep(seconds) if registering with VES right after run_container().
Containers take a few seconds to run properly. Normally 5 seconds should be
enough.
"""
time.sleep(5)
config = get_config()
trigger = getattr(MassPnfSim(), "trigger")
args = get_default_args()
args.user = config['setup'].get('user', '')
args.password = config['setup'].get('password', '')
custom_data = config['data']
if custom_data:
args.data = custom_data
trigger(args)
@chdir
def stop_container() -> None:
"""Stop simulator container(s)."""
stop = getattr(MassPnfSim(), "stop")
args = get_default_args()
stop(args)
@chdir
def remove_simulator() -> None:
"""Remove simulator container(s)."""
clean = getattr(MassPnfSim(), "clean")
args = get_default_args()
clean(args)
|
