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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# kpov_random_helpers should be imported by add_assignment.py
instructions = {
'si':u"""
Ustvari tri navidezne racunalnike. Za prvega
uporabi sliko diska simpleArbiterDhcpGW, za drugega sliko diska
maliNetworkManager, za tretjega sliko diska maliBrezNetworkManager.
Racunalnike imenujmo enako kot slike diska.
Na maliBrezNetworkManager izklopi networkmanager in uporabi ifup / ifdown.
Na maliNetworkManager nastavi IP naslov {IP_NM} ter DNS {DNS_NM}.
Na maliBrezNetworkManager nastavi IP naslov {IP_static} ter DNS {DNS_static}.
DNS strežnikov. Naslove dobiš na simpleArbiterDhcpGW.
""",
'en':u"""
"""
}
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': 'simpleArbiterDhcpGW',
# 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 - network manager
sA = pxssh.pxssh()
sA.login(IP_NM, peer_user, peer_passwd)
sA.sendline('nmcli d')
sA.prompt()
results['NM_nmcli'] = sA.before
sA.sendline('nslookup www.arnes.si')
sA.prompt()
results['NM_nslookup'] = sA.before
sA.logout()
# sB - brez network manager
sB = pxssh.pxssh()
sB.login(IP_static, peer_user, peer_passwd)
sB.sendline('nmcli d')
sB.prompt()
results['static_nmcli'] = sB.before
sB.sendline('nslookup www.arnes.si')
sB.prompt()
results['static_nslookup'] = sB.before
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 = 0
hints = []
#print results, params
if results['NM_nslookup'].find(params['DNS_NM']) > -1:
# print "NM_nslookup OK"
score += 2
if results['static_nslookup'].find(params['DNS_static']) > -1:
# print "static_nslookup OK"
score += 2
if re.search(r'eth0 +802-.*connected', results['NM_nmcli']):
# print "NM_nmcli OK"
score += 3
if re.search(r'eth0 +802-.*unmanaged', results['static_nmcli']):
# print "static_nmcli OK"
score += 3
return score, hints
def prepare_disks(templates, task_params, global_params):
write_default_config(templates['simpleArbiterDhcpGW'], global_params)
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