Files
NetBox-SLM/netbox_slm/models.py
T
2025-02-25 18:37:00 +01:00

182 lines
7.1 KiB
Python

from django.core.exceptions import ValidationError
from django.db import models
from django.urls import reverse
from django.utils.html import format_html, urlencode
from license_expression import Licensing, get_spdx_licensing
from netbox.models import NetBoxModel
from utilities.querysets import RestrictedQuerySet
from utilities.validators import EnhancedURLValidator
spdx_licensing: Licensing = get_spdx_licensing()
class LaxURLField(models.URLField):
"""
NetBox Custom Field approach, based on utilities.forms.fields.LaxURLField
Overriding default_validators is needed, as they are always added
"""
default_validators = [EnhancedURLValidator()]
class SoftwareProduct(NetBoxModel):
name = models.CharField(max_length=128)
comments = models.TextField(blank=True)
description = models.CharField(max_length=255, null=True, blank=True)
manufacturer = models.ForeignKey(to="dcim.Manufacturer", on_delete=models.PROTECT, null=True, blank=True)
objects = RestrictedQuerySet.as_manager()
def __str__(self):
return self.name
def get_absolute_url(self):
return reverse("plugins:netbox_slm:softwareproduct", kwargs={"pk": self.pk})
def get_installation_count(self):
count = SoftwareProductInstallation.objects.filter(software_product_id=self.pk).count()
query_string = urlencode(dict(software_product_id=self.pk))
search_target = reverse("plugins:netbox_slm:softwareproductinstallation_list")
# Can be composed directly with reverse(query=) in Django 5.2, see https://code.djangoproject.com/ticket/25582
return format_html(f"<a href='{search_target}?{query_string}'>{count}</a>") if count else "0"
class SoftwareReleaseTypes(models.TextChoices):
ALPHA = "A", "Alpha"
BETA = "B", "Beta"
RELEASE_CANDIDATE = "RC", "Release candidate"
STABLE = "S", "Stable release"
class SoftwareProductVersion(NetBoxModel):
name = models.CharField(max_length=64)
comments = models.TextField(blank=True)
description = models.CharField(max_length=255, null=True, blank=True)
release_date = models.DateField(null=True, blank=True)
documentation_url = LaxURLField(max_length=1024, null=True, blank=True)
end_of_support = models.DateField(null=True, blank=True)
filename = models.CharField(max_length=64, null=True, blank=True)
file_checksum = models.CharField(max_length=128, null=True, blank=True)
file_link = LaxURLField(max_length=1024, null=True, blank=True)
release_type = models.CharField(
max_length=3,
choices=SoftwareReleaseTypes.choices,
default=SoftwareReleaseTypes.STABLE,
)
software_product = models.ForeignKey(
to="netbox_slm.SoftwareProduct",
on_delete=models.PROTECT,
)
objects = RestrictedQuerySet.as_manager()
def __str__(self):
return self.name
def get_absolute_url(self):
return reverse("plugins:netbox_slm:softwareproductversion", kwargs={"pk": self.pk})
def get_installation_count(self):
count = SoftwareProductInstallation.objects.filter(version_id=self.pk).count()
query_string = urlencode(dict(version_id=self.pk))
search_target = reverse("plugins:netbox_slm:softwareproductinstallation_list")
# Can be composed directly with reverse(query=) in Django 5.2, see https://code.djangoproject.com/ticket/25582
return format_html(f"<a href='{search_target}?{query_string}'>{count}</a>") if count else "0"
class SoftwareProductInstallation(NetBoxModel):
comments = models.TextField(blank=True)
device = models.ForeignKey(to="dcim.Device", on_delete=models.PROTECT, null=True, blank=True)
virtualmachine = models.ForeignKey(
to="virtualization.VirtualMachine", on_delete=models.PROTECT, null=True, blank=True
)
cluster = models.ForeignKey(to="virtualization.Cluster", on_delete=models.PROTECT, null=True, blank=True)
software_product = models.ForeignKey(to="netbox_slm.SoftwareProduct", on_delete=models.PROTECT)
version = models.ForeignKey(to="netbox_slm.SoftwareProductVersion", on_delete=models.PROTECT)
objects = RestrictedQuerySet.as_manager()
def __str__(self):
return f"{self.pk} ({self.platform})"
class Meta:
constraints = [
models.CheckConstraint(
name="%(app_label)s_%(class)s_platform",
check=(
models.Q(device__isnull=False, virtualmachine__isnull=True, cluster__isnull=True)
| models.Q(device__isnull=True, virtualmachine__isnull=False, cluster__isnull=True)
| models.Q(device__isnull=True, virtualmachine__isnull=True, cluster__isnull=False)
),
violation_error_message="Installation requires exactly one platform destination.",
)
]
def get_absolute_url(self):
return reverse("plugins:netbox_slm:softwareproductinstallation", kwargs={"pk": self.pk})
@property
def platform(self):
return self.device or self.virtualmachine or self.cluster
def render_type(self):
if self.device:
return "device"
if self.virtualmachine:
return "virtualmachine"
return "cluster"
def spdx_license_names():
names = [(item[0], item[0]) for item in spdx_licensing.known_symbols.items() if not item[1].is_exception]
names.sort()
names.insert(0, ("", "---------")) # set default value
return names
def validate_spdx_expression(value):
expression_info = spdx_licensing.validate(value)
if expression_info.errors:
raise ValidationError(f"{value} is not a known SPDX license expression")
class SoftwareLicense(NetBoxModel):
name = models.CharField(max_length=128)
comments = models.TextField(blank=True)
description = models.CharField(max_length=255, null=True, blank=True)
type = models.CharField(max_length=128)
spdx_expression = models.CharField(max_length=64, null=True, blank=True, validators=[validate_spdx_expression])
stored_location = models.CharField(max_length=255, null=True, blank=True)
stored_location_url = LaxURLField(max_length=1024, null=True, blank=True)
start_date = models.DateField(null=True, blank=True)
expiration_date = models.DateField(null=True, blank=True)
support = models.BooleanField(default=None, null=True, blank=True)
license_amount = models.PositiveIntegerField(default=None, null=True, blank=True)
software_product = models.ForeignKey(to="netbox_slm.SoftwareProduct", on_delete=models.PROTECT)
version = models.ForeignKey(to="netbox_slm.SoftwareProductVersion", on_delete=models.PROTECT, null=True, blank=True)
installation = models.ForeignKey(
to="netbox_slm.SoftwareProductInstallation", on_delete=models.SET_NULL, null=True, blank=True
)
objects = RestrictedQuerySet.as_manager()
def __str__(self):
return self.name
def get_absolute_url(self):
return reverse("plugins:netbox_slm:softwarelicense", kwargs={"pk": self.pk})
@property
def stored_location_txt(self):
if self.stored_location_url and not self.stored_location:
return "Link"
return self.stored_location