Initial commit

git-svn-id: https://svn.lusy.fri.uni-lj.si/kpov-public-svn/kpov-public@1 5cf9fbd1-b2bc-434c-b4b7-e852f4f63414

3 files changed, 249 insertions, 0 deletions

diff --git a/kpov_judge/tasks/nat/evaluation/task.py b/kpov_judge/tasks/nat/evaluation/task.py
new file mode 100644
index 0000000..763dee4
--- /dev/null
+++ b/kpov_judge/tasks/nat/evaluation/task.py
@@ -0,0 +1,122 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# kpovRandomHelpers should be imported by add_assignment.py
+
+instructions = {
+    'si':u"""
+Postavi dva računalnika - SimpleArbiter z diska simpleArbiter ter
+NATServer. NATServer naj ima dva omrežna vmesnika - z enim naj bo
+povezan v Internet, z drugim pa na SimpleArbiter. Poskrbi, da bo
+NATServer služil kot DHCP strežnik ter privzeti prehod za SimpleArbiter.
+Na SimpleArbiter preberi vrednosti NET, PORT_OUTER in PORT_INNER. Poskrbi, da
+bo omrežje med SimpleArbiter in NATServer na področju NET. Nato poskrbi, da se
+bo promet z Interneta na vrata PORT_OUTER prepošiljal na SimpleArbiter na vrata PORT_INNER.
+"""
+}
+
+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': {'opis': 'Naslov maliNetworkManager', 'w': False, 'public':True, 'type': 'IP', 'generated': True},
+    'DNS_NM': {'opis': 'DNS za maliNetworkManager', 'w': False, 'public':True, 'type': 'IP', 'generated': True},
+    'IP_static': {'opis': 'Naslov maliBrezNetworkManager', 'w': False, 'public': True, 'type': 'IP', 'generated': True},
+    'DNS_static': {'opis': 'DNS za maliBrezNetworkManager', 'w': False, 'public': True, 'type': 'IP', 'generated': True},
+}
+
+def task(IP_NM, DNS_NM, IP_static, DNS_static):
+    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 = kpovRandomHelpers.IPv4_subnet_gen(r, '172.23.128.0/18', 24)
+    params['DNS_NM'] = r.choice(dns_servers)
+    params['IP_NM'], params['IP_static'] = kpovRandomHelpers.IPv4_addr_gen(r, net, 2)
+    params['DNS_static'] = r.choice(dns_servers)
+    return params
+
+def task_check(results, params):
+    import re
+    score = -9
+    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
+
+def prepare_disks(templates, params):
+#    d = templates['simpleArbiterDhcp']
+    pass   
+
diff --git a/kpov_judge/tasks/nat/lecture/ideja.txt b/kpov_judge/tasks/nat/lecture/ideja.txt
new file mode 100644
index 0000000..852ee43
--- /dev/null
+++ b/kpov_judge/tasks/nat/lecture/ideja.txt
@@ -0,0 +1,2 @@
+Nastavi računalnik tako, da bo vse pakete za določene naslove prepošiljal na drug računalnik.
+Vzpostavi NAT.
diff --git a/kpov_judge/tasks/nat/preparation/task.py b/kpov_judge/tasks/nat/preparation/task.py
new file mode 100644
index 0000000..6fb5700
--- /dev/null
+++ b/kpov_judge/tasks/nat/preparation/task.py
@@ -0,0 +1,125 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# kpovRandomHelpers should be imported by add_assignment.py
+# Poglej nek film na nekem določenem URL.
+# (?md5 vsota filma?)
+
+# Nastavi nek računalnik tako, da bo izvajal NAT.
+#TODO: finish this
+
+instructions = {
+    'si':u"""
+Postavi dva navidezna računalnika - SimpleArbiter z diskom simpleArbiter
+ter NATServer. NATServer naj ima dva omrežna vmesnika - z enim naj bo povezan
+na simpleArbiter, z drugim pa na Internet. Na simpleArbiter preberi naslov,
+na katerem si lahko ogledaš kratek filmček. Nastavi omrežje med NATServer in simpleArbiter
+tako, da bo na področju, ki ga vidiš v filmčku.
+"""
+}
+
+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': {'opis': 'Naslov maliNetworkManager', 'w': False, 'public':True, 'type': 'IP', 'generated': True},
+    'DNS_NM': {'opis': 'DNS za maliNetworkManager', 'w': False, 'public':True, 'type': 'IP', 'generated': True},
+    'IP_static': {'opis': 'Naslov maliBrezNetworkManager', 'w': False, 'public': True, 'type': 'IP', 'generated': True},
+    'DNS_static': {'opis': 'DNS za maliBrezNetworkManager', 'w': False, 'public': True, 'type': 'IP', 'generated': True},
+}
+
+def task(IP_NM, DNS_NM, IP_static, DNS_static):
+    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 = kpovRandomHelpers.IPv4_subnet_gen(r, '172.23.128.0/18', 24)
+    params['DNS_NM'] = r.choice(dns_servers)
+    params['IP_NM'], params['IP_static'] = kpovRandomHelpers.IPv4_addr_gen(r, net, 2)
+    params['DNS_static'] = r.choice(dns_servers)
+    return params
+
+def task_check(results, params):
+    import re
+    score = -9
+    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
+
+def prepare_disks(templates, params):
+#    d = templates['simpleArbiterDhcp']
+    pass   
+