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#!/usr/bin/env python3
import argparse
import sys
import subprocess
import ipaddress
import time
from requests import get
from requests.exceptions import MissingSchema, InvalidSchema, InvalidURL, ConnectionError, ConnectTimeout
def validate_url(url):
'''Helper function to perform --urlves input param validation'''
try:
get(url, timeout=0.001)
except (MissingSchema, InvalidSchema, InvalidURL):
raise argparse.ArgumentTypeError(f'{url} is not a valid URL')
except (ConnectionError, ConnectTimeout):
pass
return url
def validate_ip(ip):
'''Helper function to validate input param is a vaild IP address'''
try:
ip_valid = ipaddress.ip_address(ip)
except ValueError:
raise argparse.ArgumentTypeError(f'{ip} is not a valid IP address')
else:
return ip_valid
parser = argparse.ArgumentParser()
parser.add_argument('--bootstrap', help='Bootstrap the system', type=int)
parser.add_argument('--trigger', help='Trigger one single VES event from each simulator', type=int)
parser.add_argument('--triggerstart', help='Trigger only a subset of the simulators (note --triggerend)', type=int)
parser.add_argument('--triggerend', help='Last instance to trigger', type=int)
parser.add_argument('--urlves', help='URL of the VES collector', type=validate_url)
parser.add_argument('--ipfileserver', help='Visible IP of the file server (SFTP/FTPS) to be included in the VES event',
type=validate_ip)
parser.add_argument('--typefileserver', help='Type of the file server (SFTP/FTPS) to be included in the VES event',
type=str, choices=['sftp', 'ftps'])
parser.add_argument('--ipstart', help='IP address range beginning', type=validate_ip)
parser.add_argument('--clean', action='store_true', help='Clean work-dirs')
parser.add_argument('--start', help='Start instances', type=int)
parser.add_argument('--status', help='Status', type=int)
parser.add_argument('--stop', help='Stop instances', type=int)
args = parser.parse_args()
if args.bootstrap and args.ipstart and args.urlves:
print("Bootstrap:")
start_port=2000
ftps_pasv_port_start=8000
ftps_pasv_port_num_of_ports=10
ftps_pasv_port_end=ftps_pasv_port_start + ftps_pasv_port_num_of_ports
for i in range(args.bootstrap):
print("PNF simulator instance: " + str(i) + ".")
ip_subnet = args.ipstart + int(0 + (i * 16))
print("\tIp Subnet:" + str(ip_subnet))
# The IP ranges are in distance of 16 compared to each other.
# This is matching the /28 subnet mask used in the dockerfile inside.
ip_gw = args.ipstart + int(1 + (i * 16))
print("\tIP Gateway:" + str(ip_gw))
IpPnfSim = args.ipstart + int(2 + (i * 16))
print("\tIp Pnf SIM:" + str(IpPnfSim))
IpFileServer = str(args.ipfileserver)
TypeFileServer = args.typefileserver
PortSftp=start_port +1
PortFtps=start_port +2
start_port +=2
UrlFtps = str(args.ipstart + int(3 + (i * 16)))
print("\tUrl Ftps: " + str(UrlFtps))
UrlSftp = str(args.ipstart + int(4 + (i * 16)))
print("\tUrl Sftp: " + str(UrlSftp))
foldername = "pnf-sim-lw-" + str(i)
completed = subprocess.run('mkdir ' + foldername, shell=True)
print('\tCreating folder:', completed.stdout)
completed = subprocess.run(
'cp -r pnf-sim-lightweight/* ' +
foldername,
shell=True)
print('\tCloning folder:', completed.stdout)
composercmd = "./simulator.sh compose " + \
str(ip_gw) + " " + \
str(ip_subnet) + " " + \
str(i) + " " + \
args.urlves + " " + \
str(IpPnfSim) + " " + \
IpFileServer + " " + \
TypeFileServer + " " + \
str(PortSftp) + " " + \
str(PortFtps) + " " + \
str(UrlFtps) + " " + \
str(UrlSftp) + " " + \
str(ftps_pasv_port_start) + " " + \
str(ftps_pasv_port_end)
completed = subprocess.run(
'set -x; cd ' +
foldername +
'; ' +
composercmd,
shell=True)
print('Cloning:', completed.stdout)
ftps_pasv_port_start += ftps_pasv_port_num_of_ports + 1
ftps_pasv_port_end += ftps_pasv_port_num_of_ports +1
completed = subprocess.run('set -x; cd pnf-sim-lightweight; ./simulator.sh build ', shell=True)
print("Build docker image: ", completed.stdout)
sys.exit()
if args.clean:
completed = subprocess.run('rm -rf ./pnf-sim-lw-*', shell=True)
print('Deleting:', completed.stdout)
sys.exit()
if args.start:
for i in range(args.start):
foldername = "pnf-sim-lw-" + str(i)
completed = subprocess.run(
'set -x ; cd ' +
foldername +
"; bash -x ./simulator.sh start",
shell=True)
print('Starting:', completed.stdout)
time.sleep(5)
if args.status:
for i in range(args.status):
foldername = "pnf-sim-lw-" + str(i)
completed = subprocess.run(
'cd ' +
foldername +
"; ./simulator.sh status",
shell=True)
print('Status:', completed.stdout)
if args.stop:
for i in range(args.stop):
foldername = "pnf-sim-lw-" + str(i)
completed = subprocess.run(
'cd ' +
foldername +
"; ./simulator.sh stop " + str(i),
shell=True)
print('Stopping:', completed.stdout)
if args.trigger:
print("Triggering VES sending:")
for i in range(args.trigger):
foldername = "pnf-sim-lw-" + str(i)
completed = subprocess.run(
'cd ' +
foldername +
"; ./simulator.sh trigger-simulator",
shell=True)
print('Status:', completed.stdout)
if args.triggerstart and args.triggerend:
print("Triggering VES sending by a range of simulators:")
for i in range(args.triggerstart, args.triggerend+1):
foldername = "pnf-sim-lw-" + str(i)
print("Instance being processed:" + str(i))
completed = subprocess.run(
'cd ' +
foldername +
"; ./simulator.sh trigger-simulator",
shell=True)
print('Status:', completed.stdout)
else:
print("No instruction was defined")
parser.print_usage()
sys.exit()
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