diff options
Diffstat (limited to 'kpov_judge/tasks/nat_port_forward')
| -rw-r--r-- | kpov_judge/tasks/nat_port_forward/task.py | 62 |
1 files changed, 21 insertions, 41 deletions
diff --git a/kpov_judge/tasks/nat_port_forward/task.py b/kpov_judge/tasks/nat_port_forward/task.py index 88b2b3c..d7dde03 100644 --- a/kpov_judge/tasks/nat_port_forward/task.py +++ b/kpov_judge/tasks/nat_port_forward/task.py @@ -5,18 +5,17 @@ instructions = { 'si':u""" -Postavi dva računalnika - SimpleArbiter z diska ter -NATServer. NATServer naj ima dva omrežna vmesnika - z enim naj bo -povezan v Internet, z drugim pa na SimpleArbiter. Poskrbi, da bo -NATServer služil kot DHCP strežnik ter privzeti prehod za SimpleArbiter. -Na SimpleArbiter preberi vrednosti NET, PORT_OUTER in PORT_INNER. Poskrbi, da +Postavi tri računalnike - SimpleArbiter z diska simpleArbiter, TestClient z diska testClient in NATServer. NATServer naj ima dva omrežna vmesnika - z enim naj bo +povezan na omrežje, od koder bo imel dostop do Interneta, z drugim pa na SimpleArbiter. TestClient naj bo povezan na isto omrežje z dostopom do Interneta kot NATServer. +Poskrbi, da bo NATServer služil kot DHCP strežnik ter privzeti prehod za SimpleArbiter. +Na SimpleArbiter preberi vrednosti NET, PORT_OUTER in PORT_INNER ter vpiši IP_TEST_CLIENT. Poskrbi, da bo omrežje med SimpleArbiter in NATServer na področju NET. Nato poskrbi, da se -bo promet z Interneta na vrata PORT_OUTER prepošiljal na SimpleArbiter na vrata PORT_INNER. +bo TCP promet z omrežja z dostopom do Interneta na vrata PORT_OUTER prepošiljal na SimpleArbiter na vrata PORT_INNER. """ } computers = { - 'maliNetworkManager': { + 'TestClient': { 'disks': [ { 'name': 'maliNetworkManager', }, @@ -25,28 +24,28 @@ computers = { # 'parts': [],# no parts, no mounting. #} ], - 'network_interfaces': [{'network': 'net1'}], + 'network_interfaces': [{'network': 'test-net'}], 'flavor': 'm1.tiny', 'config_drive': False }, - 'maliBrezNetworkManager': { + 'NATServer': { 'disks': [ - { 'name': 'maliBrezNetworkManager', + { 'name': 'NATServer', }, #{ 'name': 'CDROM', # 'options':{'readonly': True}, # 'parts': [],# no parts, no mounting. #} ], - 'network_interfaces': [{'network': 'net1'}], + 'network_interfaces': [{'network': 'net1'}, {'network': 'test-net'}], 'flavor': 'm1.tiny', 'config_drive': False }, 'SimpleArbiter': { 'disks': [ - { 'name': 'simpleArbiterDhcp', + { 'name': 'simpleArbiter', # attempt automount }, #{ 'name': 'CDROM', @@ -54,7 +53,7 @@ computers = { # 'parts': [{'dev': 'b1', 'path': '/cdrom'}], #}, ], - 'network_interfaces': [{'network': 'net1'}, {'network': 'test-net'}], + 'network_interfaces': [{'network': 'net1'}], 'flavor': 'm1.tiny', 'config_drive': False } @@ -63,43 +62,24 @@ computers = { 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}, + 'IP_TEST_CLIENT': {'descriptions': {'si': 'Naslov TestClient'}, 'w': True, 'public':True, 'type': 'IP', 'generated': False}, + 'PORT_OUTER': {'descriptions': {'si': 'Zunanja vrata'}, 'w': False, 'public':True, 'type': 'port', 'generated': True}, + 'PORT_INNER': {'descriptions': {'si': 'Notranja vrata'}, 'w': False, 'public': True, 'type': 'port', 'generated': True}, + 'NET': {'descriptions': {'si': u'Področje naslovov med SimpleArbiter in TestClient'}, 'w': False, 'public': True, 'type': 'NET', 'generated': True}, } -def task(IP_NM, DNS_NM, IP_static, DNS_static): - import pxssh +def task(IP_TEST_CLIENT, PORT_OUTER, PORT_INNER, NET): 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) + params['PORT_INNER'] = r.randint(6000, 10000) + params['PORT_OUTER'] = r.randint(10001, 15000) + params['NET'] = kpov_random_helpers.IPv4_subnet_gen("10.36.0.0/14", 24) return params def task_check(results, params): |