aboutsummaryrefslogtreecommitdiffstats
path: root/src/account/models.py
blob: 18a8cbbe209f21b8c05c6783431088298cf92b65 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
##############################################################################
# Copyright (c) 2016 Max Breitenfeldt and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################


from django.contrib.auth.models import User
from django.db import models
import json
import random


class LabStatus(object):
    UP = 0
    TEMP_DOWN = 100
    DOWN = 200


def upload_to(object, filename):
    return object.user.username + '/' + filename

class UserProfile(models.Model):
    user = models.OneToOneField(User, on_delete=models.CASCADE)
    timezone = models.CharField(max_length=100, blank=False, default='UTC')
    ssh_public_key = models.FileField(upload_to=upload_to, null=True, blank=True)
    pgp_public_key = models.FileField(upload_to=upload_to, null=True, blank=True)
    email_addr = models.CharField(max_length=300, blank=False, default='email@mail.com')
    company = models.CharField(max_length=200, blank=False)

    oauth_token = models.CharField(max_length=1024, blank=False)
    oauth_secret = models.CharField(max_length=1024, blank=False)

    jira_url = models.CharField(max_length=100, default='')
    full_name = models.CharField(max_length=100, default='')
    booking_privledge = models.BooleanField(default=False)

    class Meta:
        db_table = 'user_profile'

    def __str__(self):
        return self.user.username


class VlanManager(models.Model):
    # list of length 4096 containing either 0 (not available) or 1 (available)
    vlans = models.TextField()
    block_size = models.IntegerField()
    allow_overlapping = models.BooleanField()
    # list of length 4096 containing either 0 (not rexerved) or 1 (reserved)
    reserved_vlans = models.TextField()

    def get_vlan(self, count=1):
        allocated = []
        vlans = json.loads(self.vlans)
        for i in range(count):
            new_vlan = vlans.index(1)  # will throw if none available
            vlans[new_vlan] = 0
            allocated.append(new_vlan)
        if count is 1:
            return allocated[0]
        return allocated

    def get_public_vlan(self):
        return PublicNetwork.objects.filter(lab=self.lab_set.first(), in_use=False).first()

    def reserve_public_vlan(self, vlan):
        net = PublicNetwork.objects.get(lab=self.lab_set.first(), vlan=vlan, in_use=False)
        net.in_use = True
        net.save()

    def release_public_vlan(self, vlan):
        net = PublicNetwork.objects.get(lab=self.lab_set.first(), vlan=vlan, in_use=True)
        net.in_use = False
        net.save()

    def public_vlan_is_available(self, vlan):
        net = PublicNetwork.objects.get(lab=self.lab_set.first(), vlan=vlan)
        return not net.in_use


    def is_available(self, vlans):
        """
        'vlans' is either a single vlan id integer or a list of integers
        will return true (available) or false
        """
        if self.allow_overlapping:
            return True

        reserved = json.loads(self.reserved_vlans)
        vlan_master_list = json.loads(self.vlans)
        try:
            iter(vlans)
        except:
            vlans = [vlans]

        for vlan in vlans:
            if not vlan_master_list[vlan] or reserved[vlan]:
                return False
        return True

    def release_vlans(self, vlans):
        """
        'vlans' is either a single vlan id integer or a list of integers
        will make the vlans available
        doesnt return a value
        """
        my_vlans = json.loads(self.vlans)

        try:
            iter(vlans)
        except:
            vlans = [vlans]

        for vlan in vlans:
            my_vlans[vlan] = 1
        self.vlans = json.dumps(my_vlans)
        self.save()

    def reserve_vlans(self, vlans):
        my_vlans = json.loads(self.vlans)

        try:
            iter(vlans)
        except:
            vlans = [vlans]

        vlans = set(vlans)

        for vlan in vlans:
            if my_vlans[vlan] is 0:
                raise ValueError("vlan " + str(vlan) + " is not available")

            my_vlans[vlan] = 0
        self.vlans = json.dumps(my_vlans)
        self.save()



class Lab(models.Model):
    lab_user = models.OneToOneField(User, on_delete=models.CASCADE)
    name = models.CharField(max_length=200, primary_key=True, unique=True, null=False, blank=False)
    contact_email = models.EmailField(max_length=200, null=True, blank=True)
    contact_phone = models.CharField(max_length=20, null=True, blank=True)
    status = models.IntegerField(default=LabStatus.UP)
    vlan_manager = models.ForeignKey(VlanManager, on_delete=models.CASCADE, null=True)
    location = models.TextField(default="unknown")
    api_token = models.CharField(max_length=50)
    description = models.CharField(max_length=240)

    @staticmethod
    def make_api_token():
        alphabet = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
        key = ""
        for i in range(45):
            key += random.choice(alphabet)
        return key


    def __str__(self):
        return self.name


class PublicNetwork(models.Model):
    vlan = models.IntegerField()
    lab = models.ForeignKey(Lab, on_delete=models.CASCADE)
    in_use = models.BooleanField(default=False)
    cidr = models.CharField(max_length=50, default="0.0.0.0/0")
    gateway = models.CharField(max_length=50, default="0.0.0.0")