1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# kpov_random_helpers should be imported by add_assignment.py
instructions = {
'si':"""
Na internet postavi računalnik, ki bo dostopen prek ssh in http.
Poskrbi, da bo na računalniku ustvarjen uporabnik test z geslom test. Ob prijavi naj se
uporabniku v MOTD izpiše (le) zgodbica ali pesmica, ki vam je všeč, dolžine vsaj 50 znakov.
Ista zgodbica ali pesmica naj se na strežniku izpiše, če se na strežnik kdorkoli poveže prek
http.
"""
}
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):
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_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
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):
# d = templates['simpleArbiterDhcp']
write_default_config(templates['simpleArbiterDhcp'], global_params)
|
