phase in vmhost

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

uncloud/README.md

@@ -48,3 +48,18 @@ Installing the postgresql service is os dependent, but some hints:
 
 cp `uncloud/secrets_sample.py` to `uncloud/secrets.py` and replace the
 sample values with real values.
+
+
+## Flows / Orders
+
+### Creating a VMHost
+
+
+
+### Creating a VM
+
+* Create a VMHost
+* Create a VM on a VMHost
+
+
+### Creating a VM Snapshot

uncloud/uncloud/settings.py

@@ -62,6 +62,7 @@ INSTALLED_APPS = [
     'rest_framework',
     'uncloud_api',
     'uncloud_auth',
+    'uncloud_vm',
     'opennebula'
 ]
 

uncloud/uncloud/urls.py

@@ -17,20 +17,26 @@ from django.contrib import admin
 from django.urls import path, include
 
 from rest_framework import routers
-from uncloud_api import views
 
+from uncloud_api import views as apiviews
+from uncloud_vm import views as vmviews
 from opennebula import views as oneviews
 
 router = routers.DefaultRouter()
-router.register(r'users', views.UserViewSet)
+router.register(r'users', apiviews.UserViewSet)
 router.register(r'opennebula', oneviews.VMViewSet, basename='opennebula')
 router.register(r'opennebula_raw', oneviews.RawVMViewSet)
+router.register(r'vmsnapshot', apiviews.VMSnapshotView, basename='vmsnapshot')
+
+# admin/staff urls
+router.register(r'admin/vmhost', vmviews.VMHostViewSet)
+
 
 # Wire up our API using automatic URL routing.
 # Additionally, we include login URLs for the browsable API.
 urlpatterns = [
     path('', include(router.urls)),
     path('admin/', admin.site.urls),
-    path('products/', views.ProductsView.as_view(), name='products'),
+    path('products/', apiviews.ProductsView.as_view(), name='products'),
     path('api-auth/', include('rest_framework.urls', namespace='rest_framework'))
 ]

uncloud/uncloud_api/migrations/0003_auto_20200225_1950.py

@@ -0,0 +1,36 @@
+# 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
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('uncloud_api', '0002_vmsnapshotproduct_vm_uuid'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='vmsnapshotproduct',
+            name='gb_hdd',
+            field=models.FloatField(editable=False),
+        ),
+        migrations.AlterField(
+            model_name='vmsnapshotproduct',
+            name='gb_ssd',
+            field=models.FloatField(editable=False),
+        ),
+        migrations.AlterField(
+            model_name='vmsnapshotproduct',
+            name='owner',
+            field=models.ForeignKey(editable=False, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
+        ),
+        migrations.AlterField(
+            model_name='vmsnapshotproduct',
+            name='vm_uuid',
+            field=models.UUIDField(),
+        ),
+    ]

uncloud/uncloud_api/models.py

@@ -34,7 +34,8 @@ from django.contrib.auth import get_user_model
 class Product(models.Model):
     uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
     owner = models.ForeignKey(get_user_model(),
-                              on_delete=models.CASCADE)
+                              on_delete=models.CASCADE,
+                              editable=False)
 
     # override these fields by default
 
@@ -52,8 +53,8 @@ class Product(models.Model):
     )
 
     # This is calculated by each product and saved in the DB
-    recurring_price = models.FloatField()
-    one_time_price = models.FloatField()
+    recurring_price = models.FloatField(editable=False)
+    one_time_price = models.FloatField(editable=False)
 
 
 
@@ -69,14 +70,13 @@ class VMSnapshotProduct(Product):
     price_per_gb_hdd = 1.5/100
 
     # This we need to get from the VM
-    gb_ssd = models.FloatField()
-    gb_hdd = models.FloatField()
+    gb_ssd = models.FloatField(editable=False)
+    gb_hdd = models.FloatField(editable=False)
 
-    vm_uuid = models.UUIDField(default=uuid.uuid4, editable=False)
+    vm_uuid = models.UUIDField()
 
     # Need to setup recurring_price and one_time_price and recurring period
 
-
     sample_ssd = 10
     sample_hdd = 100
 
@@ -137,13 +137,3 @@ class Feature(models.Model):
 
     def __str__(self):
         return "'{}' - '{}'".format(self.product, self.name)
-
-
-# class Order(models.Model):
-#     uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
-
-#     owner = models.ForeignKey(get_user_model(),
-#                               on_delete=models.CASCADE)
-
-#     product = models.ForeignKey(Product,
-#                                 on_delete=models.CASCADE)

uncloud/uncloud_api/serializers.py

@@ -3,17 +3,25 @@ from django.contrib.auth import get_user_model
 
 from rest_framework import serializers
 
+from .models import VMSnapshotProduct
+
 
 class UserSerializer(serializers.HyperlinkedModelSerializer):
     class Meta:
         model = get_user_model()
         fields = ['url', 'username', 'email', 'groups']
 
-
 class GroupSerializer(serializers.HyperlinkedModelSerializer):
     class Meta:
         model = Group
         fields = ['url', 'name']
 
-class VMSnapshotSerializer(serializers.Serializer):
-    pass
+class VMSnapshotSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = VMSnapshotProduct
+        fields = ['uuid', 'status', 'recurring_price', 'one_time_price' ]
+
+class VMSnapshotCreateSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = VMSnapshotProduct
+        fields = '__all__'

uncloud/uncloud_api/views.py

@@ -3,14 +3,21 @@ from django.contrib.auth import get_user_model
 from django.contrib.auth.models import Group
 
 from rest_framework import viewsets, permissions, generics
-from .serializers import UserSerializer, GroupSerializer
+
 from rest_framework.views import APIView
 from rest_framework.response import Response
 
+from uncloud_vm.models import VMProduct
+from .models import VMSnapshotProduct
+from .serializers import UserSerializer, GroupSerializer, VMSnapshotSerializer, VMSnapshotCreateSerializer
+
+
 import inspect
 import sys
 import re
 
+
+
 class UserViewSet(viewsets.ModelViewSet):
 
     """
@@ -27,10 +34,40 @@ class UserViewSet(viewsets.ModelViewSet):
 # DEL /vm/snapshot/<uuid:uuid> => delete
 # create-list -> get, post => ListCreateAPIView
 # del on other!
-class VMSnapshotView(generics.ListCreateAPIView):
-    #lookup_field = 'uuid'
+class VMSnapshotView(viewsets.ViewSet):
     permission_classes = [permissions.IsAuthenticated]
 
+    def list(self, request):
+        queryset = VMSnapshotProduct.objects.filter(owner=request.user)
+        serializer = VMSnapshotSerializer(queryset, many=True, context={'request': request})
+        return Response(serializer.data)
+
+    def retrieve(self, request, pk=None):
+        queryset = VMSnapshotProduct.objects.filter(owner=request.user)
+        vm = get_object_or_404(queryset, pk=pk)
+        serializer = VMSnapshotSerializer(vm, context={'request': request})
+        return Response(serializer.data)
+
+    def create(self, request):
+        print(request.data)
+        serializer = VMSnapshotCreateSerializer(data=request.data)
+
+        serializer.gb_ssd = 12
+        serializer.gb_hdd = 120
+        print("F")
+        serializer.is_valid(raise_exception=True)
+
+        print(serializer)
+        print("A")
+        serializer.save()
+        print("B")
+
+
+        # snapshot = VMSnapshotProduct(owner=request.user,
+        #                              **serialzer.data)
+
+        return Response(serializer.data)
+
 
 # Next: create /order/<productname> urls
 # Next: strip off "Product" at the end

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]