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##############################################################################
# Copyright (c) 2018 Sawyer Bergeron, Parker Berberian, 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
from django.core.validators import RegexValidator
import re
from account.models import Lab
# profile of resources hosted by labs
class HostProfile(models.Model):
id = models.AutoField(primary_key=True)
host_type = models.PositiveSmallIntegerField(default=0)
name = models.CharField(max_length=200, unique=True)
description = models.TextField()
labs = models.ManyToManyField(Lab, related_name="hostprofiles")
def validate(self):
validname = re.compile(r"^[A-Za-z0-9\-\_\.\/\, ]+$")
if not validname.match(self.name):
return "Invalid host profile name given. Name must only use A-Z, a-z, 0-9, hyphens, underscores, dots, commas, or spaces."
else:
return None
def __str__(self):
return self.name
class InterfaceProfile(models.Model):
id = models.AutoField(primary_key=True)
speed = models.IntegerField()
name = models.CharField(max_length=100)
host = models.ForeignKey(HostProfile, on_delete=models.DO_NOTHING, related_name='interfaceprofile')
nic_type = models.CharField(
max_length=50,
choices=[
("onboard", "onboard"),
("pcie", "pcie")
],
default="onboard"
)
def __str__(self):
return self.name + " for " + str(self.host)
class DiskProfile(models.Model):
id = models.AutoField(primary_key=True)
size = models.IntegerField()
media_type = models.CharField(max_length=50, choices=[
("SSD", "SSD"),
("HDD", "HDD")
])
name = models.CharField(max_length=50)
host = models.ForeignKey(HostProfile, on_delete=models.DO_NOTHING, related_name='storageprofile')
rotation = models.IntegerField(default=0)
interface = models.CharField(
max_length=50,
choices=[
("sata", "sata"),
("sas", "sas"),
("ssd", "ssd"),
("nvme", "nvme"),
("scsi", "scsi"),
("iscsi", "iscsi"),
],
default="sata"
)
def __str__(self):
return self.name + " for " + str(self.host)
class CpuProfile(models.Model):
id = models.AutoField(primary_key=True)
cores = models.IntegerField()
architecture = models.CharField(max_length=50, choices=[
("x86_64", "x86_64"),
("aarch64", "aarch64")
])
cpus = models.IntegerField()
host = models.ForeignKey(HostProfile, on_delete=models.DO_NOTHING, related_name='cpuprofile')
cflags = models.TextField(null=True)
def __str__(self):
return str(self.architecture) + " " + str(self.cpus) + "S" + str(self.cores) + " C for " + str(self.host)
class RamProfile(models.Model):
id = models.AutoField(primary_key=True)
amount = models.IntegerField()
channels = models.IntegerField()
host = models.ForeignKey(HostProfile, on_delete=models.DO_NOTHING, related_name='ramprofile')
def __str__(self):
return str(self.amount) + "G for " + str(self.host)
# Networking -- located here due to import order requirements
class Network(models.Model):
id = models.AutoField(primary_key=True)
vlan_id = models.IntegerField()
name = models.CharField(max_length=100)
def __str__(self):
return self.name
class Vlan(models.Model):
id = models.AutoField(primary_key=True)
vlan_id = models.IntegerField()
tagged = models.BooleanField()
public = models.BooleanField(default=False)
def __str__(self):
return str(self.vlan_id) + ("_T" if self.tagged else "")
# Generic resource templates
class GenericResourceBundle(models.Model):
id = models.AutoField(primary_key=True)
name = models.CharField(max_length=300, unique=True)
xml = models.TextField()
owner = models.ForeignKey(User, null=True, on_delete=models.DO_NOTHING)
lab = models.ForeignKey(Lab, null=True, on_delete=models.DO_NOTHING)
description = models.CharField(max_length=1000, default="")
def getHosts(self):
return_hosts = []
for genericResource in self.generic_resources.all():
return_hosts.append(genericResource.getHost())
return return_hosts
def __str__(self):
return self.name
class GenericResource(models.Model):
bundle = models.ForeignKey(GenericResourceBundle, related_name='generic_resources', on_delete=models.DO_NOTHING)
hostname_validchars = RegexValidator(regex=r'(?=^.{1,253}$)(?=(^([A-Za-z0-9\-\_]{1,62}\.)*[A-Za-z0-9\-\_]{1,63}$))', message="Enter a valid hostname. Full domain name may be 1-253 characters, each hostname 1-63 characters (including suffixed dot), and valid characters for hostnames are A-Z, a-z, 0-9, hyphen (-), and underscore (_)")
name = models.CharField(max_length=200, validators=[hostname_validchars])
def getHost(self):
return self.generic_host
def __str__(self):
return self.name
def validate(self):
validname = re.compile(r'(?=^.{1,253}$)(?=(^([A-Za-z0-9\-\_]{1,62}\.)*[A-Za-z0-9\-\_]{1,63}$))')
if not validname.match(self.name):
return "Enter a valid hostname. Full domain name may be 1-253 characters, each hostname 1-63 characters (including suffixed dot), and valid characters for hostnames are A-Z, a-z, 0-9, hyphen (-), and underscore (_)"
else:
return None
# Host template
class GenericHost(models.Model):
id = models.AutoField(primary_key=True)
profile = models.ForeignKey(HostProfile, on_delete=models.DO_NOTHING)
resource = models.OneToOneField(GenericResource, related_name='generic_host', on_delete=models.DO_NOTHING)
def __str__(self):
return self.resource.name
# Physical, actual resources
class ResourceBundle(models.Model):
id = models.AutoField(primary_key=True)
template = models.ForeignKey(GenericResourceBundle, on_delete=models.DO_NOTHING)
def __str__(self):
return "instance of " + str(self.template)
# Networking
class GenericInterface(models.Model):
id = models.AutoField(primary_key=True)
vlans = models.ManyToManyField(Vlan)
profile = models.ForeignKey(InterfaceProfile, on_delete=models.DO_NOTHING)
host = models.ForeignKey(GenericHost, on_delete=models.DO_NOTHING, related_name='generic_interfaces')
def __str__(self):
return "type " + str(self.profile) + " on host " + str(self.host)
class Scenario(models.Model):
id = models.AutoField(primary_key=True)
name = models.CharField(max_length=300)
def __str__(self):
return self.name
class Installer(models.Model):
id = models.AutoField(primary_key=True)
name = models.CharField(max_length=200)
sup_scenarios = models.ManyToManyField(Scenario, blank=True)
def __str__(self):
return self.name
class Opsys(models.Model):
id = models.AutoField(primary_key=True)
name = models.CharField(max_length=100)
sup_installers = models.ManyToManyField(Installer, blank=True)
def __str__(self):
return self.name
class ConfigBundle(models.Model):
id = models.AutoField(primary_key=True)
owner = models.ForeignKey(User, on_delete=models.CASCADE) # consider setting to root user?
name = models.CharField(max_length=200, unique=True)
description = models.CharField(max_length=1000, default="")
bundle = models.ForeignKey(GenericResourceBundle, null=True, on_delete=models.CASCADE)
def __str__(self):
return self.name
class OPNFVConfig(models.Model):
id = models.AutoField(primary_key=True)
installer = models.ForeignKey(Installer, on_delete=models.CASCADE)
scenario = models.ForeignKey(Scenario, on_delete=models.CASCADE)
bundle = models.ForeignKey(ConfigBundle, related_name="opnfv_config", on_delete=models.CASCADE)
def __str__(self):
return "OPNFV job with " + str(self.installer) + " and " + str(self.scenario)
class OPNFVRole(models.Model):
id = models.AutoField(primary_key=True)
name = models.CharField(max_length=200)
description = models.TextField()
def __str__(self):
return self.name
class Image(models.Model):
"""
model for representing OS images / snapshots of hosts
"""
id = models.AutoField(primary_key=True)
lab_id = models.IntegerField() # ID the lab who holds this image knows
from_lab = models.ForeignKey(Lab, on_delete=models.CASCADE)
name = models.CharField(max_length=200)
owner = models.ForeignKey(User, null=True, on_delete=models.SET_NULL)
public = models.BooleanField(default=True)
# may need to change host_type.on_delete to models.SET() once images are transferrable between compatible host types
host_type = models.ForeignKey(HostProfile, on_delete=models.CASCADE)
description = models.TextField()
os = models.ForeignKey(Opsys, null=True, on_delete=models.CASCADE)
def __str__(self):
return self.name
class HostConfiguration(models.Model):
"""
model to represent a complete configuration for a single
physical host
"""
id = models.AutoField(primary_key=True)
host = models.ForeignKey(GenericHost, related_name="configuration", on_delete=models.CASCADE)
image = models.ForeignKey(Image, on_delete=models.PROTECT)
bundle = models.ForeignKey(ConfigBundle, related_name="hostConfigurations", null=True, on_delete=models.CASCADE)
opnfvRole = models.ForeignKey(OPNFVRole, on_delete=models.PROTECT)
def __str__(self):
return "config with " + str(self.host) + " and image " + str(self.image)
# Concrete host, actual machine in a lab
class Host(models.Model):
id = models.AutoField(primary_key=True)
template = models.ForeignKey(GenericHost, on_delete=models.SET_NULL, null=True)
booked = models.BooleanField(default=False)
name = models.CharField(max_length=200, unique=True)
bundle = models.ForeignKey(ResourceBundle, related_name='hosts', on_delete=models.SET_NULL, null=True)
config = models.ForeignKey(HostConfiguration, null=True, related_name="configuration", on_delete=models.SET_NULL)
labid = models.CharField(max_length=200, default="default_id")
profile = models.ForeignKey(HostProfile, on_delete=models.CASCADE)
lab = models.ForeignKey(Lab, on_delete=models.CASCADE)
working = models.BooleanField(default=True)
vendor = models.CharField(max_length=100, default="unknown")
model = models.CharField(max_length=150, default="unknown")
def __str__(self):
return self.name
class Interface(models.Model):
id = models.AutoField(primary_key=True)
mac_address = models.CharField(max_length=17)
bus_address = models.CharField(max_length=50)
name = models.CharField(max_length=100, default="eth0")
config = models.ManyToManyField(Vlan)
host = models.ForeignKey(Host, on_delete=models.CASCADE, related_name='interfaces')
def __str__(self):
return self.mac_address + " on host " + str(self.host)
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