# kpov_util should be imported by add_assignment.py instructions = { 'si':""" Postavi dva navidezna računalnika - SimpleArbiter z diska simpleArbiterDhcp ter RdateServer. Na RdateServer postavi strežnik, ki bo poslušal na vratih VRATA_X. Vsakič, ko se na vrata poveže klient, naj strežnik pošlje število sekund od DATUM_X. Število naj bo kodirano kot 64-bitno predznačeno število s tankim koncem. VRATA_X in DATUM_X preberi na SimpleArbiter. """ } computers = { 'maliNetworkManager': { 'disks': [ { 'name': 'maliNetworkManager', }, ], 'network_interfaces': [{'network': 'net1'}], 'flavor': 'm1.tiny', 'config_drive': False }, 'maliBrezNetworkManager': { 'disks': [ { 'name': 'maliBrezNetworkManager', }, ], 'network_interfaces': [{'network': 'net1'}], 'flavor': 'm1.tiny', 'config_drive': False }, 'SimpleArbiter': { 'disks': [ { 'name': 'simpleArbiterDhcp', }, ], '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): from pexpect 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_util.IPv4_subnet_gen(r, '172.23.128.0/18', 24) params['DNS_NM'] = r.choice(dns_servers) params['IP_NM'], params['IP_static'] = kpov_util.IPv4_addr_gen(r, net, 2) params['DNS_static'] = r.choice(dns_servers) return params def task_check(results, params): import re score = -9 hints = [] 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, hints def prepare_disks(templates, task_params, global_params): write_default_config(templates['simpleArbiterDhcp'], global_params)