[storage] move choices to uncloud_storage

uncloud/uncloud_storage/models.py

@@ -1,3 +1,7 @@
 from django.db import models
+from django.utils.translation import gettext_lazy as _
 
-# Create your models here.
+
+class StorageClass(models.TextChoices):
+    HDD          = 'HDD', _('HDD')
+    SSD          = 'SSD', _('SSD')

uncloud/uncloud_vm/models.py

@@ -8,6 +8,7 @@ from django.contrib.auth import get_user_model
 
 from uncloud_pay.models import Product, RecurringPeriod
 import uncloud_pay.models as pay_models
+import uncloud_storage.models
 
 STATUS_CHOICES = (
     ('pending', 'Pending'),   # Initial state
@@ -52,9 +53,9 @@ class VMProduct(Product):
         VMHost, on_delete=models.CASCADE, editable=False, blank=True, null=True
     )
 
-    # VM-specific. The name is only intended for customers: it's a pain te
+    # VM-specific. The name is only intended for customers: it's a pain to
     # remember IDs (speaking from experience as ungleich customer)!
-    name = models.CharField(max_length=32)
+    name = models.CharField(max_length=32, blank=True, null=True)
     cores = models.IntegerField()
     ram_in_gb = models.FloatField()
     vmid = models.IntegerField(null=True)
@@ -106,14 +107,10 @@ class VMDiskImageProduct(models.Model):
     import_url = models.URLField(null=True, blank=True)
     image_source = models.CharField(max_length=128, null=True)
     image_source_type = models.CharField(max_length=128, null=True)
-    storage_class = models.CharField(
-        max_length=32,
-        choices=(
-            ('hdd', 'HDD'),
-            ('ssd', 'SSD'),
-        ),
-        default='ssd'
-    )
+
+    storage_class = models.CharField(max_length=32,
+                                     choices = uncloud_storage.models.StorageClass.choices,
+                                     default = uncloud_storage.models.StorageClass.SSD)
 
     status = models.CharField(
         max_length=32, choices=STATUS_CHOICES, default=STATUS_DEFAULT