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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# bson.son.SON an
# kpov_util should be imported by add_assignment.py
# OrderedDict = SON
instructions = {
"si":"""
Ustvari dva navidezna računalnika - imenujmo ju SimpleArbiterDhcpGW in
Student. Za računalnik SimpleArbiterDhcpGW uporabite sliko diska, poimenovano
SimpleArbiterDhcpGW.
Na računalniku Student ustvarite uporabnika z uporabniškim imenom {peer_user}.
Poskrbite, da se bo v sporočilu, ki se ob prijavi izpiše na računalniku
Student, pojavil niz "{niz}". Temu sporočilu v angleščini rečemo
"message of the day" - MOTD.
IP navideznega računalnika Student ter geslo za {peer_user} nastavite sami.
Ocenjevalni program pričakuje, da se bo ob koncu prijave pojavila ukazna
vrstica oblike uporabnisko_ime@ime_racunalnika:~$ .
Pazite, da se bo takšna vrstica pojavila šele po nizu, ki ste ga dobili v
teh navodilih.
""",
'en':"""
Create two virtual machines - named SimpleArbiterDhcpGW and Student.
For the 'SimpleArbiterDhcpGW', use disc image named SimpleArbiterDhcpGW.
On Student, create a user with the username {peer_user}.
Set the message of the day (MOTD) on Student to "{niz}". This is the message
which is displayed when you log in.
Set the IP of Student and the password for {peer_user} yourself.
The grading system expects that at the end of login,
a prompt similar to username@name_of_computer:~$ appears.
Make sure that this line shows up only after the
string you got in these instructions.
"""
}
computers = {
'SimpleArbiterDhcpGW': {
'disks': [
{ 'name': 'simpleArbiterDhcpGW',
},
],
'flavor': 'm1.tiny',
'network_interfaces': [{'network': 'net1'}, {'network': 'test-net'}],
'config_drive': True,
'userdata': {'string': "#!/bin/bash\nsed -i '/cloud/d' /etc/fstab\npoweroff &\n"}
},
'Student': {
'disks': [
{ 'name': 'student-console', }
],
'flavor': 'm1.tiny',
'network_interfaces': [{'network': 'net1'}],
'config_drive': True,
'userdata': {'string': "#!/bin/bash\nsed -i '/cloud/d' /etc/fstab\npoweroff &\n"}
}
}
networks = { 'net1': {'public': False}, 'test-net': {'public': True} }
params_meta = {
'peer_ip': {'descriptions': {'si': 'IP računalnika', 'en':'IP'}, 'w': True, 'public':True, 'type': 'IP', 'generated': False},
'peer_user': {'descriptions': {'si': 'ime uporabnika', 'en':'Username'}, 'w': False, 'public': True, 'type': 'username', 'generated': True},
'peer_passwd': {'descriptions': {'si': 'geslo uporabnika', 'en': 'Password'}, 'w': True, 'public': True, 'type': 'alnumstr', 'generated': False},
'niz': {'descriptions':{'si': 'niz, ki naj se v motd pokaže', 'en': 'The string which should be displayed in the MOTD'}, 'w': False, 'public': True, 'type': 'short_text', 'generated': True},
}
def task(peer_ip, peer_user, peer_passwd, niz):
"Check whether ssh works"
import collections
from pexpect import pxssh
results = collections.defaultdict(str)
try:
s = pxssh.pxssh(encoding='utf-8')
s.login(peer_ip, peer_user, peer_passwd,
original_prompt=r'{0}@.*:\~\$'.format(peer_user),
auto_prompt_reset=False)
results['ssh'] = True
results['motd'] = s.before
s.logout()
except Exception as ex:
results['ssh'] = str(ex)
return results
def gen_params(user_id, params_meta):
return kpov_util.default_gen(user_id, params_meta)
def task_check(results, params):
niz = params['niz']
score = 0
hints = []
if results['ssh'] is True:
score += 2
else:
hints += ['ssh failed: ' + results['ssh']]
if niz in results['motd']:
score += 8
else:
hints += ['wrong motd:\n' + results['motd'] + '\n']
return score, hints
def prepare_disks(templates, task_params, global_params):
write_default_config(templates['simpleArbiterDhcpGW'], global_params)
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