phase in vmhost

Signed-off-by: Nico Schottelius <nico@nico-notebook.schottelius.org>

uncloud/uncloud_vm/migrations/0001_initial.py

@@ -0,0 +1,75 @@
+# Generated by Django 3.0.3 on 2020-02-25 19:50
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='VMDiskProduct',
+            fields=[
+                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('size_in_gb', models.FloatField()),
+                ('storage_class', models.CharField(choices=[('hdd', 'HDD'), ('ssd', 'SSD')], default='ssd', max_length=32)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='VMHost',
+            fields=[
+                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('hostname', models.CharField(max_length=253)),
+                ('physical_cores', models.IntegerField()),
+                ('usable_cores', models.IntegerField()),
+                ('usable_ram_in_gb', models.FloatField()),
+                ('status', models.CharField(choices=[('pending', 'Pending'), ('active', 'Active'), ('unusable', 'Unusable')], default='pending', max_length=32)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='VMProduct',
+            fields=[
+                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('cores', models.IntegerField()),
+                ('ram_in_gb', models.FloatField()),
+                ('owner', models.ForeignKey(editable=False, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+                ('vmhost', models.ForeignKey(editable=False, on_delete=django.db.models.deletion.CASCADE, to='uncloud_vm.VMHost')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='OperatingSystemDisk',
+            fields=[
+                ('vmdiskproduct_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='uncloud_vm.VMDiskProduct')),
+                ('os_name', models.CharField(max_length=128)),
+            ],
+            bases=('uncloud_vm.vmdiskproduct',),
+        ),
+        migrations.CreateModel(
+            name='VMWithOSProduct',
+            fields=[
+                ('vmproduct_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='uncloud_vm.VMProduct')),
+            ],
+            bases=('uncloud_vm.vmproduct',),
+        ),
+        migrations.CreateModel(
+            name='VMNetworkCard',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('mac_address', models.IntegerField()),
+                ('vm', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='uncloud_vm.VMProduct')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='vmdiskproduct',
+            name='vm',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='uncloud_vm.VMProduct'),
+        ),
+    ]

uncloud/uncloud_vm/migrations/0002_auto_20200225_1952.py

@@ -0,0 +1,38 @@
+# Generated by Django 3.0.3 on 2020-02-25 19:52
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('uncloud_vm', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='vmhost',
+            name='hostname',
+            field=models.CharField(max_length=253, unique=True),
+        ),
+        migrations.AlterField(
+            model_name='vmhost',
+            name='physical_cores',
+            field=models.IntegerField(default=0),
+        ),
+        migrations.AlterField(
+            model_name='vmhost',
+            name='status',
+            field=models.CharField(choices=[('pending', 'Pending'), ('active', 'Active'), ('unusable', 'Unusable'), ('deleted', 'Deleted')], default='pending', max_length=32),
+        ),
+        migrations.AlterField(
+            model_name='vmhost',
+            name='usable_cores',
+            field=models.IntegerField(default=0),
+        ),
+        migrations.AlterField(
+            model_name='vmhost',
+            name='usable_ram_in_gb',
+            field=models.FloatField(default=0),
+        ),
+    ]

uncloud/uncloud_vm/models.py

@@ -1,20 +1,22 @@
 from django.db import models
+from django.contrib.auth import get_user_model
+import uuid
 
 
 class VMHost(models.Model):
     uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
 
     # 253 is the maximum DNS name length
-    hostname = models.CharField(max_length=253)
+    hostname = models.CharField(max_length=253, unique=True)
 
     # indirectly gives a maximum number of cores / VM - f.i. 32
-    physical_cores = models.IntegerField()
+    physical_cores = models.IntegerField(default=0)
 
     # determines the maximum usable cores - f.i. 320 if you overbook by a factor of 10
-    usable_cores = models.IntegerField()
+    usable_cores = models.IntegerField(default=0)
 
     # ram that can be used of the server
-    usable_ram_in_gb = models.FloatField()
+    usable_ram_in_gb = models.FloatField(default=0)
 
 
     status = models.CharField(max_length=32,
@@ -22,24 +24,33 @@ class VMHost(models.Model):
                                   ('pending', 'Pending'),
                                   ('active', 'Active'),
                                   ('unusable', 'Unusable'),
+                                  ('deleted', 'Deleted'),
                               ),
                               default='pending'
     )
 
 
-class VM(models.Model):
-    uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
-    owner = models.ForeignKey(get_user_model(), on_delete=models.CASCADE)
+class VMProduct(models.Model):
+    uuid = models.UUIDField(primary_key=True,
+                            default=uuid.uuid4,
+                            editable=False)
+    owner = models.ForeignKey(get_user_model(),
+                              on_delete=models.CASCADE,
+                              editable=False)
+    vmhost   = models.ForeignKey(VMHost,
+                                 on_delete=models.CASCADE,
+                                 editable=False)
 
     cores = models.IntegerField()
     ram_in_gb = models.FloatField()
 
-    vmhost   = models.ForeignKey(VMHost, on_delete=models.CASCADE)
 
+class VMWithOSProduct(VMProduct):
+    pass
 
-class VMDisk(models.Model):
+class VMDiskProduct(models.Model):
     uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
-    vm   = models.ForeignKey(VM, on_delete=models.CASCADE)
+    vm   = models.ForeignKey(VMProduct, on_delete=models.CASCADE)
     size_in_gb = models.FloatField()
 
     storage_class = models.CharField(max_length=32,
@@ -49,3 +60,12 @@ class VMDisk(models.Model):
                               ),
                               default='ssd'
     )
+
+class OperatingSystemDisk(VMDiskProduct):
+    """ Defines an Operating System Disk that can be cloned for a VM """
+    os_name = models.CharField(max_length=128)
+
+
+class VMNetworkCard(models.Model):
+    vm   = models.ForeignKey(VMProduct, on_delete=models.CASCADE)
+    mac_address = models.IntegerField()

uncloud/uncloud_vm/serializers.py

@@ -0,0 +1,9 @@
+from django.contrib.auth import get_user_model
+
+from rest_framework import serializers
+from .models import VMHost
+
+class VMHostSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = VMHost
+        fields = '__all__'

uncloud/uncloud_vm/views.py

@@ -1,24 +1,18 @@
 from django.shortcuts import render
 
-
 from django.contrib.auth.models import User
 from django.shortcuts import get_object_or_404
-from myapps.serializers import UserSerializer
-from rest_framework import viewsets
+
+from rest_framework import viewsets, permissions
 from rest_framework.response import Response
 
+
 from opennebula.models import VM as OpenNebulaVM
 
-class VMViewSet(viewsets.ViewSet):
-    def list(self, request):
-        queryset = User.objects.all()
-        serializer = UserSerializer(queryset, many=True)
-        return Response(serializer.data)
+from .models import VMHost
+from .serializers import VMHostSerializer
 
-    def retrieve(self, request, pk=None):
-        queryset = User.objects.all()
-        user = get_object_or_404(queryset, pk=pk)
-        serializer = UserSerializer(user)
-        return Response(serializer.data)
-
-    permission_classes = [permissions.IsAuthenticated]
+class VMHostViewSet(viewsets.ModelViewSet):
+    serializer_class = VMHostSerializer
+    queryset = VMHost.objects.all()
+    permission_classes = [permissions.IsAdminUser]