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authorParker Berberian <pberberian@iol.unh.edu>2018-10-10 16:06:47 -0400
committerParker Berberian <pberberian@iol.unh.edu>2018-10-15 13:16:11 -0400
commit1f3a770d2547848590f39e9d9b9bdffeb94eec14 (patch)
tree97222e5facd1a242d951c38482315057b5790d51 /src/account/models.py
parent6d4019e59eda897384e9c00d1daf8b2ce87d128f (diff)
Lab as a Service 2.0
See changes here: https://wiki.opnfv.org/display/INF/Pharos+Laas Change-Id: I59ada5f98e70a28d7f8c14eab3239597e236ca26 Signed-off-by: Sawyer Bergeron <sbergeron@iol.unh.edu> Signed-off-by: Parker Berberian <pberberian@iol.unh.edu>
Diffstat (limited to 'src/account/models.py')
-rw-r--r--src/account/models.py127
1 files changed, 127 insertions, 0 deletions
diff --git a/src/account/models.py b/src/account/models.py
index aad4c50..18a8cbb 100644
--- a/src/account/models.py
+++ b/src/account/models.py
@@ -10,6 +10,14 @@
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):
@@ -28,6 +36,7 @@ class UserProfile(models.Model):
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'
@@ -35,11 +44,129 @@ class UserProfile(models.Model):
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")