#!/usr/bin/env python # -*- coding: utf-8 -*- # kpov_random_helpers should be imported by add_assignment.py instructions = { 'si':u""" Postavi dva navidezna računalnika - simpleArbiter z diska SimpleArbiter ter OpenWRT z diska OpenWRT. Na disku OpenWRT je nameščena distribucija OpenWRT. Nastavi OpenWRT tako, da bo imel dva omrežna vmesnika - en naj bo povezan na Internet, drugo na omrežje, na katerem bo SimpleArbiter. Na SimpleArbiter preberi naslov omrežja med OpenWrt in SimpleArbiter ter njuna naslova. """ } computers = { 'maliNetworkManager': { 'disks': [ { 'name': 'maliNetworkManager', }, #{ 'name': 'CDROM', # 'options':{'readonly': True}, # 'parts': [],# no parts, no mounting. #} ], 'network_interfaces': [{'network': 'net1'}], 'flavor': 'm1.tiny', 'config_drive': False }, 'maliBrezNetworkManager': { 'disks': [ { 'name': 'maliBrezNetworkManager', }, #{ 'name': 'CDROM', # 'options':{'readonly': True}, # 'parts': [],# no parts, no mounting. #} ], 'network_interfaces': [{'network': 'net1'}], 'flavor': 'm1.tiny', 'config_drive': False }, 'SimpleArbiter': { 'disks': [ { 'name': 'simpleArbiterDhcp', # attempt automount }, #{ 'name': 'CDROM', # 'options': {'readonly': True}, # 'parts': [{'dev': 'b1', 'path': '/cdrom'}], #}, ], 'network_interfaces': [{'network': 'net1'}, {'network': 'test-net'}], 'flavor': 'm1.tiny', 'config_drive': False } } networks = { 'net1': {'public': False}, 'test-net': {'public': True} } params_meta = { 'IP_NM': {'descriptions': {'si': 'Naslov maliNetworkManager'}, 'w': False, 'public':True, 'type': 'IP', 'generated': True}, 'DNS_NM': {'descriptions': {'si': 'DNS za maliNetworkManager'}, 'w': False, 'public':True, 'type': 'IP', 'generated': True}, 'IP_static': {'descriptions': {'si': 'Naslov maliBrezNetworkManager'}, 'w': False, 'public': True, 'type': 'IP', 'generated': True}, 'DNS_static': {'descriptions': {'si': 'DNS za maliBrezNetworkManager'}, 'w': False, 'public': True, 'type': 'IP', 'generated': True}, } def task(IP_NM, DNS_NM, IP_static, DNS_static): import pxssh import pexpect results = dict() peer_user = 'student' peer_passwd = 'vaje' sA = pxssh.pxssh() sB = pxssh.pxssh() sA.login(IP_NM, peer_user, peer_passwd) sB.login(IP_static, peer_user, peer_passwd) # sA # make sure NM is not handling eth0 results['NM_nmcli'] = sA.run('nmcli d') results['NM_nslookup'] = sA.run('nslookup www.arnes.si') # sB # check whether NM is handling eth0 results['static_nmcli'] = sB.run('nmcli d') results['static_nslookup'] = sB.run('nslookup www.arnes.si') sA.logout() sB.logout() return results def gen_params(user_id, params_meta): params = dict() r = random.Random(user_id) # IP_NM, DNS_NM, IP_static, DNS_static) dns_servers = ['193.2.1.66', '193.2.1.72', '8.8.8.8', '8.8.4.4', '208.67.222.222', '208.67.220.220'] net = kpov_random_helpers.IPv4_subnet_gen(r, '172.23.128.0/18', 24) params['DNS_NM'] = r.choice(dns_servers) params['IP_NM'], params['IP_static'] = kpov_random_helpers.IPv4_addr_gen(r, net, 2) params['DNS_static'] = r.choice(dns_servers) return params def task_check(results, params): import re score = -9 if results['NM_nslookup'].find('Server:\t\t{0}\r'.format(params['DNS_NM'])) > -1: score += 3 if results['static_nslookup'].find('Server:\t\t{0}\r'.format(params['DNS_static'])) > -1: score += 3 if re.search(r'eth0 +802-.*connected', results['NM_nmcli']): score += 2 if not re.search(r'eth0 +802-.*connected', results['static_nmcli']): score += 2 score = 0 return score def prepare_disks(templates, params): # d = templates['simpleArbiterDhcp'] pass