Little changes in Flavor model

recircle/instance/migrations/0003_auto_20200326_1342.py

+# Generated by Django 3.0.4 on 2020-03-26 12:42
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('instance', '0002_instance_template'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='flavor',
+            name='initial_disk',
+            field=models.PositiveIntegerField(default=0),
+        ),
+        migrations.AlterField(
+            model_name='flavor',
+            name='name',
+            field=models.CharField(max_length=100),
+        ),
+        migrations.AlterField(
+            model_name='flavor',
+            name='priority',
+            field=models.PositiveIntegerField(blank=True, null=True),
+        ),
+        migrations.AlterField(
+            model_name='flavor',
+            name='ram',
+            field=models.PositiveIntegerField(default=0),
+        ),
+        migrations.AlterField(
+            model_name='flavor',
+            name='vcpu',
+            field=models.PositiveIntegerField(default=0),
+        ),
+        migrations.AlterField(
+            model_name='lease',
+            name='delete_interval_in_sec',
+            field=models.IntegerField(default=7200),
+        ),
+        migrations.AlterField(
+            model_name='lease',
+            name='name',
+            field=models.CharField(max_length=100),
+        ),
+        migrations.AlterField(
+            model_name='lease',
+            name='suspend_interval_in_sec',
+            field=models.IntegerField(default=3600),
+        ),
+    ]

recircle/instance/models.py

@@ -32,25 +32,25 @@ class Lease(models.Model):
         After suspend interval the vm suspends and after delete it will be
         destroyed
     """
-    name = models.CharField(blank=True, max_length=100)
+    name = models.CharField(max_length=100)
     description = models.CharField(blank=True, max_length=100)
-    suspend_interval_in_sec = models.IntegerField(blank=True, null=True)
-    delete_interval_in_sec = models.IntegerField(blank=True, null=True)
+    suspend_interval_in_sec = models.IntegerField(default=3600)
+    delete_interval_in_sec = models.IntegerField(default=7200)
 
 
 class Flavor(models.Model):
     """ Flavors are reasource packages, contains all information about
         resources accociated with the virtual machine
     """
-    name = models.CharField(blank=True, max_length=100)
+    name = models.CharField(blank=False, max_length=100)
     description = models.CharField(blank=True, max_length=200)
     remote_id = models.CharField(
         max_length=100, help_text="ID of the instance on the backend"
     )
-    ram = models.IntegerField(blank=True, null=True)
-    vcpu = models.IntegerField(blank=True, null=True)
-    initial_disk = models.IntegerField(blank=True, null=True)
-    priority = models.IntegerField(blank=True, null=True)
+    ram = models.PositiveIntegerField(default=0)
+    vcpu = models.PositiveIntegerField(default=0)
+    initial_disk = models.PositiveIntegerField(default=0)
+    priority = models.PositiveIntegerField(blank=True, null=True)
 
     @classmethod
     def create(cls, name, description, ram=0, vcpu=0,
@@ -68,7 +68,6 @@ class Flavor(models.Model):
             raise ValueError("Can't create Flavor in remote cloud.")
 
     def delete(self):
-        interface = OSVirtualMachineManager(settings.CONNECTION)
         try:
             interface.delete_flavor(self.remote_id)
             super(Flavor, self).delete()