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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# kpov_random_helpers should be imported by add_assignment.py
# TODO: dokoncaj!
instructions = {
'si':u"""
Postavi dva navidezna računalnika (simpleArbiterDhcp in FileServer).
Poskrbi, da bo imenik {NFS_MOUNT} na FileServer dostopen prek NFS in
prek SMB kot imenik v skupni rabi {SMB_SHARENAME}.
Ime SMB strežnika nastavite na {FILESERVER_NAME}.
SimpleArbiterDhcp naj ima prek NFS pravico pisati po imeniku.
""",
'en':u"""
Set up two virtual computers (simpleArbiterDhcp and FileServer).
Make sure that the directory {NFS_MOUNT} on FileServer is accessible
over NFS and over SMB under the sharename {SMB_SHARENAME}.
Set the SMB server name to {FILESERVER_NAME}.
SimpleArbiterDhcp should have write access to {NFS_MOUNT} over NFS.
"""
}
computers = {
'FileServer': {
'disks': [
{ 'name': 'student-fileserver',
},
#{ '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 = {
'FILESERVER_IP': {'descriptions': {'si': 'IP streznika'}, 'w': True, 'public':True, 'type': 'IP', 'generated': False},
'FILESERVER_NAME': {'descriptions': {'si': 'Ime streznika'}, 'w': False, 'public':True, 'type': 'hostname', 'generated': True},
'SMB_SHARENAME': {'descriptions': {'si': 'Ime imenika v skupni rabi prek SMB', 'en': 'SMB sharename'}, 'w': False, 'public':True, 'type': 'filename', 'generated': True},
'NFS_MOUNT': {'descriptions': {'si': 'Imenik, dostopen prek NFS'}, 'w': False, 'public': True, 'type': 'filename', 'generated': True},
'SHARED_FILENAME': {'descriptions': {'si': 'Iskana datoteka'}, 'w': False, 'public': True, 'type': 'filename', 'generated': True},
'SHARED_CONTENT': {'descriptions': {'si': 'Vsebina iskane datoteke'}, 'w': False, 'public': False, 'type': 'short', 'generated': True},
'SHARED_FILE_SEED': {'descriptions': {'si': 'Dodatni podatek za testiranje'}, 'w': False, 'public': True, 'type': 'filename', 'generated': True},
}
def task(FILESERVER_IP, FILESERVER_NAME, NFS_MOUNT, SMB_SHARENAME, SHARED_FILE_SEED):
import pexpect
import random
# TODO: (polz) Try using pexpect instead of subprocess, it's much nicer.
# Tabela vseh mountov.
# Samo mounti na streznik.
results = dict()
results['mount'] = pexpect.run('mount')
results['try_mount_nfs'] = pexpect.run('sudo mount -t nfs {}:/{} /mnt/nfs'.format(
FILESERVER_IP, NFS_MOUNT))
results['try_mount_smb'] = pexpect.run(
'sudo mount -t cifs //{}/{} /mnt/smb -o ip={},guest'.format(
FILESERVER_NAME, SMB_SHARENAME, FILESERVER_IP))
results['mount_after'] = pexpect.run('mount')
results['ls_smbmount'] = pexpect.run('ls /mnt/smb')
results['ls_nfs'] = pexpect.run('ls /mnt/nfs')
r = random.Random(SHARED_FILE_SEED)
testfile = kpov_random_helpers.fname_gen(r)
teststring = kpov_random_helpers.alnum_gen(r, 200)
with open('/mnt/nfs/{}'.format(testfile),'w') as f:
f.write(teststring)
results['filestr'] = pexpect.run(
'cat /mnt/smb/{}'.format(testfile))
results['filels'] = pexpect.run(
'ls /mnt/smb/'.format(testfile))
pexpect.run('rm /mnt/nfs/{}'.format(testfile))
results['filels_later'] = pexpect.run('ls /mnt/smb')
pexpect.run("sudo umount /mnt/nfs")
pexpect.run("sudo umount /mnt/smb")
return results
def gen_params(user_id, params_meta):
d = kpov_random_helpers.default_gen(user_id, params_meta)
r = random.Random(user_id)
d['FILESERVER_NAME'] = kpov_random_helpers.hostname_gen(r)
d['SMB_SHARENAME'] = kpov_random_helpers.hostname_gen(r)
d['NFS_MOUNT'] = "/srv/nfs/" + kpov_random_helpers.fname_gen(r, False)
d['SHARED_FILENAME'] = kpov_random_helpers.fname_gen(r)
d['SHARED_CONTENT'] = kpov_random_helpers.fortune(r, 4096)
d['SHARED_FILE_SEED'] = kpov_random_helpers.alnum_gen(r, 42)
return d
def task_check(results, params):
score = 0
hints = []
r = random.Random(params['SHARED_FILE_SEED'])
testfile = kpov_random_helpers.fname_gen(r)
teststring = kpov_random_helpers.alnum_gen(r, 200)
# no need to check results['mount'] or results['try_mount_nfs']
# or results['try_mount_smb']
if results['mount_after'].find('//{}/{} on /mnt/smb type cifs'.format(
params['FILESERVER_NAME'], params['SMB_SHARENAME'])) >= 0:
score += 2
if results['mount_after'].find('{}:{} on /mnt/nfs type nfs'.format(
params['FILESERVER_IP'], params['NFS_MOUNT'])) >= 0:
score += 2
if results['ls_smbmount'].find(params['SHARED_FILENAME']) >= 0:
score += 1
if results['ls_nfs'].find(params['SHARED_FILENAME']) >= 0:
score += 1
if results['filestr'] == teststring:
score += 2
filels_later = set(results['filels_later'].split())
filels = set(results['filels'].split())
if "".join(filels - filels_later).find(testfile) >= 0:
score += 2
return score, hints
def prepare_disks(templates, params):
d = templates['student-fileserver']
d.mkdir("/srv/nfs")
d.mkdir(params['NFS_MOUNT'])
d.write(params['NFS_MOUNT'] + "/" + params["SHARED_FILENAME"],
params["SHARED_CONTENT"])
d = templates['simpleArbiterDhcpGW']
d.mkdir('/mnt/nfs')
d.mkdir('/mnt/smb')
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