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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("^[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='(?=^.{1,253}$)(?=(^([A-Za-z0-9\-\_]{1,62}\.)*[A-Za-z0-9\-\_]{1,63}$))', message="Enter a valid hostname. Full domain name may be 1-253 characters, each hostname 1-63 characters (including suffixed dot), and valid characters for hostnames are A-Z, a-z, 0-9, hyphen (-), and underscore (_)")
+ name = models.CharField(max_length=200, validators=[hostname_validchars])
+
+ def getHost(self):
+ return self.generic_host
+
+ def __str__(self):
+ return self.name
+
+ def validate(self):
+ validname = re.compile('(?=^.{1,253}$)(?=(^([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)
+ host_type = models.ForeignKey(HostProfile, on_delete=models.CASCADE) #may need to change to models.SET() once images are transferrable between compatible host types
+ description = models.TextField()
+
+ 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) #need protocol for phasing out a role if we are going to allow that to happen
+
+ 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)