#!/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 poskrbi, da networkmanager ne bo več skrbel za omrežni vmesnik, temveč bosta delovala ukaza ifup in ifdown. Na maliNetworkManager nastavi IP naslov {IP_NM} ter DNS {DNS_NM}. Na maliBrezNetworkManager nastavi IP naslov {IP_static} ter DNS {DNS_static}. """, 'en':u"""Create three virtual machines. Use simpleArbiterDhcpGW as the disk image for the first, maliNetworkManager as the disk image for the second and maliBrezNetworkManager for the third. The virtual machine names can match the disks. Make sure that on maliBrezNetworkManager ifup/ifdown can be used to configure the network and that NetworkManager, while still installed, will not manage the network interface. The IP should be {IP_static} and the computer should use the server {DNS_static} as it's DNS. On maliNetworkManager, set the IP address to {IP_NM} and use {DNS_NM} as the DNS. """ } 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', 'en': 'IP address for maliNetworkManager'}, 'w': False, 'public':True, 'type': 'IP', 'generated': True}, 'DNS_NM': {'descriptions': {'si': 'DNS za maliNetworkManager', 'en': 'DNS for maliNetworkManager'}, 'w': False, 'public':True, 'type': 'IP', 'generated': True}, 'IP_static': {'descriptions': {'si': 'Naslov maliBrezNetworkManager', 'en': 'IP address for maliBrezNetworkManager'}, 'w': False, 'public': True, 'type': 'IP', 'generated': True}, 'DNS_static': {'descriptions': {'si': 'DNS za maliBrezNetworkManager', 'en':'DNS for 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 -c no 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 -c no 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, '10.94.96.0/19', 25) 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 else: hints += ['NM nslookup incorrect'] if results['static_nslookup'].find(params['DNS_static']) > -1: # print "static_nslookup OK" score += 2 else: hints += ['static nslookup incorrect'] if re.search(r'e(th0|np0s3|ns3) +ethernet +connected', results['NM_nmcli']): # print "NM_nmcli OK" score += 3 else: hints += ['nmcli incorrect'] if re.search(r'e(th0|np0s3|ns3) +ethernet +unmanaged', results['static_nmcli']): # print "static_nmcli OK" score += 3 else: hints += ['nmcli on malibrez incorrect'] return score, hints def prepare_disks(templates, task_params, global_params): write_default_config(templates['simpleArbiterDhcpGW'], global_params)