#!/usr/bin/env python3 import argparse import sys import subprocess import ipaddress import time import logging from requests import get from json import dumps from requests.exceptions import MissingSchema, InvalidSchema, InvalidURL, ConnectionError, ConnectTimeout def validate_url(url): '''Helper function to perform --urlves input param validation''' logger = logging.getLogger("urllib3") logger.setLevel(logging.WARNING) 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 if sys.stdout.isatty(): logging.basicConfig(level=logging.INFO, format='\033[92m[%(levelname)s]\033[0m %(message)s') else: logging.basicConfig(level=logging.INFO, format='[%(levelname)s] %(message)s') def get_parser(): '''Process input arguments''' parser = argparse.ArgumentParser() subparsers = parser.add_subparsers(title='Subcommands', dest='subcommand') # Bootstrap command parser parser_bootstrap = subparsers.add_parser('bootstrap', help='Bootstrap the system') parser_bootstrap.add_argument('--count', help='Instance count to bootstrap', type=int, metavar='INT', default=1) parser_bootstrap.add_argument('--urlves', help='URL of the VES collector', type=validate_url, metavar='URL', required=True) parser_bootstrap.add_argument('--ipfileserver', help='Visible IP of the file server (SFTP/FTPS) to be included in the VES event', type=validate_ip, metavar='IP', required=True) parser_bootstrap.add_argument('--typefileserver', help='Type of the file server (SFTP/FTPS) to be included in the VES event', type=str, choices=['sftp', 'ftps'], required=True) parser_bootstrap.add_argument('--ipstart', help='IP address range beginning', type=validate_ip, metavar='IP', required=True) # Start command parser parser_start = subparsers.add_parser('start', help='Start instances') parser_start.add_argument('--count', help='Instance count to start', type=int, metavar='INT', default=1) # Stop command parser parser_stop = subparsers.add_parser('stop', help='Stop instances') parser_stop.add_argument('--count', help='Instance count to stop', type=int, metavar='INT', default=1) # Trigger command parser parser_trigger = subparsers.add_parser('trigger', help='Trigger one single VES event from each simulator') parser_trigger.add_argument('--count', help='Instance count to trigger', type=int, metavar='INT', default=1) # Trigger-custom command parser parser_triggerstart = subparsers.add_parser('trigger-custom', help='Trigger one single VES event from specific simulators') parser_triggerstart.add_argument('--triggerstart', help='First simulator id to trigger', type=int, metavar='INT', required=True) parser_triggerstart.add_argument('--triggerend', help='Last simulator id to trigger', type=int, metavar='INT', required=True) # Status command parser parser_status = subparsers.add_parser('status', help='Status') parser_status.add_argument('--count', help='Instance count to show status for', type=int, metavar='INT', default=1) # Clean command parser subparsers.add_parser('clean', help='Clean work-dirs') # General options parser parser.add_argument('--verbose', help='Verbosity level', choices=['info', 'debug'], type=str, default='debug') return parser if __name__ == '__main__': parser = get_parser() args = parser.parse_args() logger = logging.getLogger(__name__) logger.setLevel(getattr(logging, args.verbose.upper())) if args.subcommand is None: parser.print_usage() sys.exit(0) if args.subcommand == 'bootstrap' : logger.info("Bootstrapping PNF instances") 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.count): logger.info(f"PNF simulator instance: {i}") # The IP ranges are in distance of 16 compared to each other. # This is matching the /28 subnet mask used in the dockerfile inside. instance_ip_offset = i * 16 ip_properties = [ 'subnet', 'gw', 'PnfSim', 'ftps', 'sftp' ] ip_offset = 0 ip = {} for prop in ip_properties: ip.update({prop: str(args.ipstart + ip_offset + instance_ip_offset)}) ip_offset += 1 logger.debug(f'Instance #{i} properties:\n {dumps(ip, indent=4)}') PortSftp = start_port + 1 PortFtps = start_port + 2 start_port += 2 foldername = f"pnf-sim-lw-{i}" completed = subprocess.run('mkdir ' + foldername, shell=True) logger.info(f'\tCreating folder: {completed.stdout}') completed = subprocess.run( 'cp -r pnf-sim-lightweight/* ' + foldername, shell=True) logger.info(f'\tCloning folder: {completed.stdout}') composercmd = " ".join([ "./simulator.sh compose", ip['gw'], ip['subnet'], str(i), args.urlves, ip['PnfSim'], str(args.ipfileserver), args.typefileserver, str(PortSftp), str(PortFtps), ip['ftps'], ip['sftp'], str(ftps_pasv_port_start), str(ftps_pasv_port_end) ]) logger.debug(f"Script cmdline: {composercmd}") completed = subprocess.run( 'set -x; cd ' + foldername + '; ' + composercmd, shell=True) logger.info(f'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 logger.info(f'Done setting up instance #{i}') completed = subprocess.run('set -x; cd pnf-sim-lightweight; ./simulator.sh build ', shell=True) logger.info(f"Build docker image: {completed.stdout}") if args.subcommand == 'clean': completed = subprocess.run('rm -rf ./pnf-sim-lw-*', shell=True) logger.info(f'Deleting: {completed.stdout}') if args.subcommand == 'start': for i in range(args.count): foldername = f"pnf-sim-lw-{i}" completed = subprocess.run( 'set -x ; cd ' + foldername + "; bash -x ./simulator.sh start", shell=True) logger.info(f'Starting: {completed.stdout}') time.sleep(5) if args.subcommand == 'status': for i in range(args.count): foldername = f"pnf-sim-lw-{i}" completed = subprocess.run( 'cd ' + foldername + "; ./simulator.sh status", shell=True) logger.info(f'Status: {completed.stdout}') if args.subcommand == 'stop': for i in range(args.count): foldername = f"pnf-sim-lw-{i}" completed = subprocess.run( 'cd ' + foldername + f"; ./simulator.sh stop {i}", shell=True) logger.info(f'Stopping: {completed.stdout}') if args.subcommand == 'trigger': logger.info("Triggering VES sending:") for i in range(args.count): foldername = f"pnf-sim-lw-{i}" completed = subprocess.run( 'cd ' + foldername + "; ./simulator.sh trigger-simulator", shell=True) logger.info(f'Status: {completed.stdout}') if args.subcommand == 'trigger-custom': logger.info("Triggering VES sending by a range of simulators:") for i in range(args.triggerstart, args.triggerend+1): foldername = f"pnf-sim-lw-{i}" logger.info(f"Instance being processed: {i}") completed = subprocess.run( 'cd ' + foldername + "; ./simulator.sh trigger-simulator", shell=True) logger.info(f'Status: {completed.stdout}')