Merge branch 'nico/meow-pay-master' into HEAD

README-penguinpay.md

@@ -1,42 +0,0 @@
-## How to place a order with penguin pay
-
-### Requirements
-
-* An ungleich account - can be registered for free on
-  https://account.ungleich.ch
-* httpie installed (provides the http command)
-
-## Get a membership
-
-
-## Registering a payment method
-
-To be able to pay for the membership, you will need to register a
-credit card or apply for payment on bill (TO BE IMPLEMENTED).
-
-### Register credit card
-
-```
-http POST https://api.ungleich.ch/membership \
-    username=nico password=yourpassword \
-    cc_number=.. \
-    cc_
-
-```
-
-
-
-### Request payment via bill
-
-
-
-
-## Create the membership
-
-
-```
-http POST https://api.ungleich.ch/membership username=nico password=yourpassword
-
-```
-
-## List available products

nicohack202002/uncloud/opennebula/migrations/0001_initial.py

@@ -1,23 +0,0 @@
-# Generated by Django 3.0.3 on 2020-02-21 10:22
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    initial = True
-
-    dependencies = [
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name='VM',
-            fields=[
-                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('vmid', models.IntegerField()),
-                ('owner', models.CharField(max_length=128)),
-                ('data', models.CharField(max_length=65536)),
-            ],
-        ),
-    ]

nicohack202002/uncloud/opennebula/migrations/0002_auto_20200221_1024.py

@@ -1,23 +0,0 @@
-# Generated by Django 3.0.3 on 2020-02-21 10:24
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('opennebula', '0001_initial'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='vm',
-            name='data',
-            field=models.CharField(max_length=65536, null=True),
-        ),
-        migrations.AlterField(
-            model_name='vm',
-            name='owner',
-            field=models.CharField(max_length=128, null=True),
-        ),
-    ]

nicohack202002/uncloud/opennebula/migrations/0003_auto_20200221_1113.py

@@ -1,21 +0,0 @@
-# Generated by Django 3.0.3 on 2020-02-21 11:13
-
-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),
-        ('opennebula', '0002_auto_20200221_1024'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='vm',
-            name='owner',
-            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
-        ),
-    ]

nicohack202002/uncloud/opennebula/serializers.py

@@ -1,8 +0,0 @@
-from rest_framework import serializers
-from opennebula.models import VM
-
-
-class VMSerializer(serializers.HyperlinkedModelSerializer):
-    class Meta:
-        model = VM
-        fields = ['uuid', 'vmid', 'owner', 'data']

nicohack202002/uncloud/uncloud_api/migrations/0001_initial.py

@@ -1,50 +0,0 @@
-# Generated by Django 3.0.3 on 2020-02-21 10:42
-
-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='OrderReference',
-            fields=[
-                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-            ],
-        ),
-        migrations.CreateModel(
-            name='Product',
-            fields=[
-                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('name', models.CharField(max_length=256)),
-                ('recurring_period', models.CharField(choices=[('per_year', 'Per Year'), ('per_month', 'Per Month'), ('per_week', 'Per Week'), ('per_day', 'Per Day'), ('per_hour', 'Per Hour'), ('not_recurring', 'Not recurring')], default='not_recurring', max_length=256)),
-            ],
-        ),
-        migrations.CreateModel(
-            name='Order',
-            fields=[
-                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('owner', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
-                ('product', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='uncloud_api.Product')),
-            ],
-        ),
-        migrations.CreateModel(
-            name='Feature',
-            fields=[
-                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('name', models.CharField(max_length=256)),
-                ('recurring_price', models.FloatField(default=0)),
-                ('one_time_price', models.FloatField()),
-                ('product', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='uncloud_api.Product')),
-            ],
-        ),
-    ]

notes-nico.org

@@ -49,3 +49,52 @@ password=...
 * Django rest framework
 ** viewset: .list and .create
 ** view: .get .post
+* TODO register CC
+* TODO list products
+* ahmed
+** schemas
+*** field: is_valid? - used by schemas
+*** definition of a "schema"
+* penguin pay
+## How to place a order with penguin pay
+
+### Requirements
+
+* An ungleich account - can be registered for free on
+  https://account.ungleich.ch
+* httpie installed (provides the http command)
+
+## Get a membership
+
+
+## Registering a payment method
+
+To be able to pay for the membership, you will need to register a
+credit card or apply for payment on bill (TO BE IMPLEMENTED).
+
+### Register credit card
+
+```
+http POST https://api.ungleich.ch/membership \
+    username=nico password=yourpassword \
+    cc_number=.. \
+    cc_
+
+```
+
+
+
+### Request payment via bill
+
+
+
+
+## Create the membership
+
+
+```
+http POST https://api.ungleich.ch/membership username=nico password=yourpassword
+
+```
+
+## List available products

uncloud/README.md

@@ -0,0 +1,47 @@
+## Install
+
+### OS package requirements
+
+Alpine:
+
+```
+apk add openldap-dev postgresql-dev
+```
+
+### Python requirements
+
+If you prefer using a venv, use:
+
+```
+python -m venv venv
+. ./venv/bin/activate
+```
+
+Then install the requirements
+
+```
+pip install -r requirements.txt
+```
+
+### Database requirements
+
+Due to the use of the JSONField, postgresql is required.
+
+First create a role to be used:
+
+```
+postgres=# create role nico login;
+```
+
+Then create the database owner by the new role:
+
+```
+postgres=# create database uncloud owner nico;
+```
+
+
+
+### Secrets
+
+cp `uncloud/secrets_sample.py` to `uncloud/secrets.py` and replace the
+sample values with real values.

uncloud/opennebula/management/commands/syncvm.py

@@ -31,8 +31,12 @@ class Command(BaseCommand):
                         user = get_user_model().objects.get(username=vm_owner)
                     except get_user_model().DoesNotExist:
                         user = get_user_model().objects.create_user(username=vm_owner)
-                    vm = json.dumps(vm, ensure_ascii=True)
-                    vm_object = VMModel.objects.create(vmid=vm_id, owner=user, data=vm)
-                    vm_object.save()
+
+                    VMModel.objects.update_or_create(
+                        defaults= { 'data': vm,
+                                    'owner': user },
+                        vmid=vm_id
+                    )
+
             else:
                 print(response)

uncloud/opennebula/migrations/0001_initial.py

@@ -0,0 +1,26 @@
+# Generated by Django 3.0.3 on 2020-02-23 10:02
+
+from django.conf import settings
+import django.contrib.postgres.fields.jsonb
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='VM',
+            fields=[
+                ('vmid', models.IntegerField(primary_key=True, serialize=False)),
+                ('data', django.contrib.postgres.fields.jsonb.JSONField()),
+                ('owner', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]

uncloud/opennebula/migrations/0002_vm_uuid.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.0.3 on 2020-02-23 10:55
+
+from django.db import migrations, models
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('opennebula', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='vm',
+            name='uuid',
+            field=models.UUIDField(default=uuid.uuid4, editable=False),
+        ),
+    ]

uncloud/opennebula/migrations/0003_auto_20200223_1058.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.0.3 on 2020-02-23 10:58
+
+from django.db import migrations, models
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('opennebula', '0002_vm_uuid'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='vm',
+            name='uuid',
+            field=models.UUIDField(default=uuid.uuid4, editable=False, unique=True),
+        ),
+    ]

uncloud/opennebula/models.py

@@ -0,0 +1,50 @@
+import uuid
+from django.db import models
+from django.contrib.auth import get_user_model
+
+from django.contrib.postgres.fields import JSONField
+
+class VM(models.Model):
+    vmid = models.IntegerField(primary_key=True)
+    uuid = models.UUIDField(default=uuid.uuid4, editable=False, unique=True)
+    owner = models.ForeignKey(get_user_model(), on_delete=models.CASCADE)
+    data = JSONField()
+
+
+    @property
+    def cores(self):
+        return int(self.data['TEMPLATE']['VCPU'])
+
+    @property
+    def ram_in_gb(self):
+        return (int(self.data['TEMPLATE']['MEMORY'])/1024.)
+
+    @property
+    def disks(self):
+        """
+        If there is no disk then the key DISK does not exist.
+
+        If there is only one disk, we have a dictionary in the database.
+
+        If there are multiple disks, we have a list of dictionaries in the database.
+        """
+
+        disks = []
+
+        if 'DISK' in self.data['TEMPLATE']:
+
+            if type(self.data['TEMPLATE']['DISK']) is dict:
+                disks = [ self.data['TEMPLATE']['DISK'] ]
+            else:
+                disks = self.data['TEMPLATE']['DISK']
+
+        disks = [
+            {
+                'size_in_gb': int(d['SIZE'])/1024. ,
+                'opennebula_source': d['SOURCE'],
+                'opennebula_name': d['IMAGE'],
+            }
+            for d in disks
+        ]
+
+        return disks

uncloud/opennebula/serializers.py

@@ -0,0 +1,14 @@
+from rest_framework import serializers
+from opennebula.models import VM
+
+
+class VMSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = VM
+        fields = ['vmid', 'owner', 'data']
+
+
+class OpenNebulaVMSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = VM
+        fields = ['vmid', 'owner', 'cores', 'ram_in_gb', 'disks' ]

uncloud/opennebula/views.py

@@ -0,0 +1,22 @@
+from rest_framework import viewsets, generics, permissions
+from .models import VM
+from .serializers import VMSerializer, OpenNebulaVMSerializer
+
+
+#class VMList(generics.ListAPIView):
+#    queryset = VM.objects.all()
+#    serializer_class = VMSerializer
+
+
+class RawVMViewSet(viewsets.ModelViewSet):
+#    lookup_field = 'vmid'
+    queryset = VM.objects.all()
+    serializer_class = VMSerializer
+    permission_classes = [permissions.IsAuthenticated]
+
+
+class VMViewSet(viewsets.ModelViewSet):
+    queryset = VM.objects.all()
+    serializer_class = OpenNebulaVMSerializer
+
+    permission_classes = [permissions.IsAuthenticated]

uncloud/uncloud/settings.py

@@ -83,15 +83,6 @@ TEMPLATES = [
 WSGI_APPLICATION = 'uncloud.wsgi.application'
 
 
-# Database
-# https://docs.djangoproject.com/en/3.0/ref/settings/#databases
-
-DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
-    }
-}
 
 
 # Password validation
@@ -168,6 +159,7 @@ STATIC_URL = '/static/'
 
 stripe.api_key = secrets.STRIPE_KEY
 
+<<<<<<< HEAD:nicohack202002/uncloud/uncloud/settings.py
 LOGGING = {
     'version': 1,
     'disable_existing_loggers': False,
@@ -190,4 +182,18 @@ LOGGING = {
             'propagate': True
         }
     },
+=======
+# Uncommitted file with secrets
+import uncloud.secrets
+
+
+# Database
+# https://docs.djangoproject.com/en/3.0/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.postgresql',
+        'NAME': uncloud.secrets.POSTGRESQL_DB_NAME,
+    }
+>>>>>>> nico/meow-pay-master:uncloud/uncloud/settings.py
 }

uncloud/uncloud/urls.py

@@ -24,6 +24,8 @@ from opennebula import views as oneviews
 router = routers.DefaultRouter()
 router.register(r'users', views.UserViewSet)
 router.register(r'groups', views.GroupViewSet)
+router.register(r'opennebula', oneviews.VMViewSet)
+router.register(r'opennebula_raw', oneviews.RawVMViewSet)
 
 # Wire up our API using automatic URL routing.
 # Additionally, we include login URLs for the browsable API.
@@ -31,8 +33,15 @@ urlpatterns = [
     path('', include(router.urls)),
     path('admin/', admin.site.urls),
     path('products/', views.ProductsView.as_view(), name='products'),
+<<<<<<< HEAD:nicohack202002/uncloud/uncloud/urls.py
     path('api-auth/', include('rest_framework.urls', namespace='rest_framework')),
     path('opennebula/vm/list/', oneviews.VMList.as_view(), name='vm_list'),
     path('opennebula/vm/detail/<int:vmid>/', oneviews.VMDetail.as_view(), name='vm_detail'),
     path('vm/list/', oneviews.UserVMList.as_view(), name='user_vm_list'),
+=======
+    path('api-auth/', include('rest_framework.urls', namespace='rest_framework'))
+#    path('vm/list/', oneviews.VMList.as_view(), name='vm_list'),
+#    path('vm/detail/<int:vmid>/', oneviews.VMDetail.as_view(), name='vm_detail'),
+
+>>>>>>> nico/meow-pay-master:uncloud/uncloud/urls.py
 ]

uncloud/uncloud_api/admin.py

@@ -2,5 +2,5 @@ from django.contrib import admin
 
 from .models import Product, Feature
 
-admin.site.register(Product)
-admin.site.register(Feature)
+#admin.site.register(Product)
+#admin.site.register(Feature)

uncloud/uncloud_api/migrations/0001_initial.py

@@ -0,0 +1,31 @@
+# Generated by Django 3.0.3 on 2020-02-23 10:16
+
+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='VMSnapshotProduct',
+            fields=[
+                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('status', models.CharField(choices=[('pending', 'Pending'), ('being_created', 'Being created'), ('created_active', 'Created'), ('deleted', 'Deleted')], default='pending', max_length=256)),
+                ('gb_ssd', models.FloatField()),
+                ('gb_hdd', models.FloatField()),
+                ('owner', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]

uncloud/uncloud_api/models.py

@@ -0,0 +1,132 @@
+import uuid
+
+from django.db import models
+from django.contrib.auth import get_user_model
+
+# Product in DB vs. product in code
+# DB:
+# - need to define params (+param types) in db -> messy?
+# - get /products/ is easy / automatic
+#
+# code
+# - can have serializer/verification of fields easily in DRF
+# - can have per product side effects / extra code running
+# - might (??) make features easier??
+# - how to setup / query the recurring period (?)
+# - could get products list via getattr() + re ...Product() classes
+# -> this could include the url for ordering => /order/vm_snapshot (params)
+# ---> this would work with urlpatterns
+
+# Combination: create specific product in DB (?)
+# - a table per product (?) with 1 entry?
+
+# Orders
+# define state in DB
+# select a price from a product => product might change, order stays
+# params:
+# - the product uuid or name (?) => productuuid
+# - the product parameters => for each feature
+#
+
+# logs
+# Should have a log = ... => 1:n field for most models!
+
+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)
+
+    # override these fields by default
+
+    description = ""
+    recurring_period = "not_recurring"
+
+    status = models.CharField(max_length=256,
+                              choices = (
+                                  ('pending', 'Pending'),
+                                  ('being_created', 'Being created'),
+                                  ('created_active', 'Created'),
+                                  ('deleted', 'Deleted')
+                              ),
+                              default='pending'
+    )
+
+    class Meta:
+        abstract = True
+
+    def __str__(self):
+        return "{}".format(self.name)
+
+
+class VMSnapshotProduct(Product):
+    price_per_gb_ssd = 0.35
+    price_per_gb_hdd = 1.5/100
+
+    sample_ssd = 10
+    sample_hdd = 100
+
+    def recurring_price(self):
+        return 0
+
+    def one_time_price(self):
+        return 0
+
+    @classmethod
+    def sample_price(cls):
+        return cls.sample_ssd * cls.price_per_gb_ssd + cls.sample_hdd * cls.price_per_gb_hdd
+
+    description = "Create snapshot of a VM"
+    recurring_period = "monthly"
+
+    @classmethod
+    def pricing_model(cls):
+        return """
+Pricing is on monthly basis and storage prices are equivalent to the storage
+price in the VM.
+
+Price per GB SSD is: {}
+Price per GB HDD is: {}
+
+
+Sample price for a VM with {} GB SSD and {} GB HDD VM is: {}.
+""".format(cls.price_per_gb_ssd, cls.price_per_gb_hdd,
+           cls.sample_ssd, cls.sample_hdd, cls.sample_price())
+
+    gb_ssd = models.FloatField()
+    gb_hdd = models.FloatField()
+
+
+
+class Feature(models.Model):
+    uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+    name = models.CharField(max_length=256)
+
+    recurring_price = models.FloatField(default=0)
+    one_time_price = models.FloatField()
+
+    product = models.ForeignKey(Product, on_delete=models.CASCADE)
+
+    # params for "cpu": cpu_count -> int
+    # each feature can only have one parameters
+    # could call this "value" and set whether it is user usable
+    # has_value = True/False
+    # value = string  -> int (?)
+    # value_int
+    # value_str
+    # value_float
+
+    class Meta:
+        abstract = True
+
+    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/views.py

@@ -0,0 +1,83 @@
+from django.shortcuts import render
+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
+
+
+class CreditCardViewSet(viewsets.ModelViewSet):
+
+    """
+    API endpoint that allows credit cards to be listed
+    """
+    queryset = get_user_model().objects.all().order_by('-date_joined')
+    serializer_class = UserSerializer
+
+    permission_classes = [permissions.IsAuthenticated]
+
+
+class UserViewSet(viewsets.ModelViewSet):
+
+    """
+    API endpoint that allows users to be viewed or edited.
+    """
+    queryset = get_user_model().objects.all().order_by('-date_joined')
+    serializer_class = UserSerializer
+
+    permission_classes = [permissions.IsAuthenticated]
+
+class GroupViewSet(viewsets.ModelViewSet):
+    """
+    API endpoint that allows groups to be viewed or edited.
+    """
+    queryset = Group.objects.all()
+    serializer_class = GroupSerializer
+
+    permission_classes = [permissions.IsAuthenticated]
+
+class GroupViewSet(viewsets.ModelViewSet):
+    """
+    API endpoint that allows groups to be viewed or edited.
+    """
+    queryset = Group.objects.all()
+    serializer_class = GroupSerializer
+
+    permission_classes = [permissions.IsAuthenticated]
+
+
+# POST /vm/snapshot/ vmuuid=... => create snapshot, returns snapshot uuid
+# GET /vm/snapshot => list
+# DEL /vm/snapshot/<uuid:uuid> => delete
+# create-list -> get, post => ListCreateAPIView
+# del on other!
+class VMSnapshotView(generics.ListCreateAPIView):
+    #lookup_field = 'uuid'
+    permission_classes = [permissions.IsAuthenticated]
+
+import inspect
+import sys
+import re
+
+# Next: create /order/<productname> urls
+# Next: strip off "Product" at the end
+class ProductsView(APIView):
+    def get(self, request, format=None):
+        clsmembers = inspect.getmembers(sys.modules['uncloud_api.models'], inspect.isclass)
+        products = []
+        for name, c in clsmembers:
+            # Include everything that ends in Product, but not Product itself
+            m = re.match(r'(?P<pname>.+)Product$', name)
+            if m:
+                products.append({
+                    'name': m.group('pname'),
+                    'description': c.description,
+                    'recurring_period': c.recurring_period,
+                    'pricing_model': c.pricing_model()
+                }
+                )
+
+
+        return Response(products)

uncloud/uncloud_auth/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 3.0.3 on 2020-02-21 10:41
+# Generated by Django 3.0.3 on 2020-02-23 10:02
 
 import django.contrib.auth.models
 import django.contrib.auth.validators

uncloud/uncloud_vm/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

uncloud/uncloud_vm/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class UncloudVmConfig(AppConfig):
+    name = 'uncloud_vm'

uncloud/uncloud_vm/models.py

@@ -0,0 +1,12 @@
+from django.db import models
+
+
+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)
+
+    cores = models.IntegerField()
+    ram = models.FloatField()
+
+
+class VMDisk(models.Model):

uncloud/uncloud_vm/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

uncloud/uncloud_vm/views.py

@@ -0,0 +1,24 @@
+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.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)
+
+    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]