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Make VM order-able again

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This commit is contained in:
fnux 2020-04-18 13:51:31 +02:00
parent cec4263621
commit 9410b7c56b
3 changed files with 132 additions and 100 deletions
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13
uncloud_django_based/uncloud/uncloud_vm/models.py
View file

@ -72,6 +72,7 @@ class VMProduct(Product):
primary_disk = models.ForeignKey('VMDiskProduct', on_delete=models.CASCADE, null=True)
# Default recurring price is PER_MONTH, see uncloud_pay.models.Product.
@property
def recurring_price(self):
return self.cores * 3 + self.ram_in_gb * 4
@ -153,17 +154,9 @@ class VMDiskProduct(Product):
def description(self):
return "Disk for VM '{}': {}GB".format(self.vm.name, self.size_in_gb)
# TODO: move magic numbers in variables
def recurring_price(self, recurring_period=RecurringPeriod.PER_MONTH):
# TODO: move magic numbers in variables
if recurring_period == RecurringPeriod.PER_MONTH:
@property
def recurring_price(self):
return (self.size_in_gb / 10) * 3.5
if recurring_period == RecurringPeriod.PER_YEAR:
return recurring_price(self, recurring_period.PER_MONTH) * 12
if recurring_period == RecurringPeriod.PER_HOUR:
return recurring_price(self, recurring_period.PER_MONTH) / 25
else:
raise Exception('Invalid recurring period for VM Disk Product pricing.')
# Sample code for clean method

92
uncloud_django_based/uncloud/uncloud_vm/serializers.py
View file

@ -3,7 +3,9 @@ from django.contrib.auth import get_user_model
from rest_framework import serializers
from .models import VMHost, VMProduct, VMSnapshotProduct, VMDiskProduct, VMDiskImageProduct, VMCluster
from uncloud_pay.models import RecurringPeriod
from uncloud_pay.models import RecurringPeriod, BillingAddress
# XXX: does not seem to be used?
GB_SSD_PER_DAY=0.012
GB_HDD_PER_DAY=0.0006
@ -11,6 +13,8 @@ GB_HDD_PER_DAY=0.0006
GB_SSD_PER_DAY=0.012
GB_HDD_PER_DAY=0.0006
###
# Admin views.
class VMHostSerializer(serializers.HyperlinkedModelSerializer):
vms = serializers.PrimaryKeyRelatedField(many=True, read_only=True)
@ -26,6 +30,9 @@ class VMClusterSerializer(serializers.HyperlinkedModelSerializer):
fields = '__all__'
###
# Disks.
class VMDiskProductSerializer(serializers.ModelSerializer):
class Meta:
model = VMDiskProduct
@ -46,30 +53,6 @@ class VMDiskImageProductSerializer(serializers.ModelSerializer):
model = VMDiskImageProduct
fields = '__all__'
class DCLVMProductSerializer(serializers.HyperlinkedModelSerializer):
"""
Create an interface similar to standard DCL
"""
# Custom field used at creation (= ordering) only.
recurring_period = serializers.ChoiceField(
choices=VMProduct.allowed_recurring_periods())
os_disk_uuid = serializers.UUIDField()
# os_disk_size =
class Meta:
model = VMProduct
class ManagedVMProductSerializer(serializers.ModelSerializer):
"""
Managed VM serializer used in ungleich_service app.
"""
primary_disk = CreateManagedVMDiskProductSerializer()
class Meta:
model = VMProduct
fields = [ 'cores', 'ram_in_gb', 'primary_disk']
class VMSnapshotProductSerializer(serializers.ModelSerializer):
class Meta:
model = VMSnapshotProduct
@ -93,22 +76,61 @@ class VMSnapshotProductSerializer(serializers.ModelSerializer):
pricing['per_gb_hdd'] = 0.0006
pricing['recurring_period'] = 'per_day'
###
# VMs
# Helper used in uncloud_service for services allocating VM.
class ManagedVMProductSerializer(serializers.ModelSerializer):
"""
Managed VM serializer used in ungleich_service app.
"""
primary_disk = CreateManagedVMDiskProductSerializer()
class Meta:
model = VMProduct
fields = [ 'cores', 'ram_in_gb', 'primary_disk']
class VMProductSerializer(serializers.HyperlinkedModelSerializer):
# Custom field used at creation (= ordering) only.
recurring_period = serializers.ChoiceField(
choices=VMProduct.allowed_recurring_periods())
primary_disk = CreateVMDiskProductSerializer()
snapshots = VMSnapshotProductSerializer(many=True, read_only=True)
disks = VMDiskProductSerializer(many=True, read_only=True)
class Meta:
model = VMProduct
fields = ['uuid', 'order', 'owner', 'status', 'name', \
'cores', 'ram_in_gb', 'recurring_period', 'primary_disk',
'snapshots', 'disks', 'extra_data' ]
fields = ['uuid', 'order', 'owner', 'status', 'name', 'cores',
'ram_in_gb', 'primary_disk', 'snapshots', 'disks', 'extra_data']
read_only_fields = ['uuid', 'order', 'owner', 'status']
snapshots = VMSnapshotProductSerializer(many=True,
read_only=True)
class OrderVMProductSerializer(VMProductSerializer):
recurring_period = serializers.ChoiceField(
choices=VMProduct.allowed_recurring_periods())
disks = VMDiskProductSerializer(many=True,
read_only=True)
def __init__(self, *args, **kwargs):
super(VMProductSerializer, self).__init__(*args, **kwargs)
self.fields['billing_address'] = serializers.ChoiceField(
choices=BillingAddress.get_addresses_for(
self.context['request'].user)
)
class Meta:
model = VMProductSerializer.Meta.model
fields = VMProductSerializer.Meta.fields + [
'recurring_period', 'billing_address'
]
read_only_fields = VMProductSerializer.Meta.read_only_fields
# Nico's playground.
class DCLVMProductSerializer(serializers.HyperlinkedModelSerializer):
"""
Create an interface similar to standard DCL
"""
# Custom field used at creation (= ordering) only.
recurring_period = serializers.ChoiceField(
choices=VMProduct.allowed_recurring_periods())
os_disk_uuid = serializers.UUIDField()
# os_disk_size =
class Meta:
model = VMProduct

125
uncloud_django_based/uncloud/uncloud_vm/views.py
View file

@ -15,20 +15,12 @@ from uncloud_pay.models import Order
from .serializers import *
from uncloud_pay.helpers import ProductViewSet
import datetime
class VMHostViewSet(viewsets.ModelViewSet):
serializer_class = VMHostSerializer
queryset = VMHost.objects.all()
permission_classes = [permissions.IsAdminUser]
###
# Generic disk image views. Do not require orders / billing.
class VMClusterViewSet(viewsets.ModelViewSet):
serializer_class = VMClusterSerializer
queryset = VMCluster.objects.all()
permission_classes = [permissions.IsAdminUser]
class VMDiskImageProductViewSet(viewsets.ModelViewSet):
class VMDiskImageProductViewSet(ProductViewSet):
permission_classes = [permissions.IsAuthenticated]
serializer_class = VMDiskImageProductSerializer
@ -53,7 +45,6 @@ class VMDiskImageProductViewSet(viewsets.ModelViewSet):
serializer.save(owner=request.user)
return Response(serializer.data)
class VMDiskImageProductPublicViewSet(viewsets.ReadOnlyModelViewSet):
permission_classes = [permissions.IsAuthenticated]
serializer_class = VMDiskImageProductSerializer
@ -61,6 +52,9 @@ class VMDiskImageProductPublicViewSet(viewsets.ReadOnlyModelViewSet):
def get_queryset(self):
return VMDiskImageProduct.objects.filter(is_public=True)
###
# User VM disk and snapshots.
class VMDiskProductViewSet(viewsets.ModelViewSet):
"""
Let a user modify their own VMDisks
@ -92,48 +86,6 @@ class VMDiskProductViewSet(viewsets.ModelViewSet):
serializer.save(owner=request.user, size_in_gb=size_in_gb)
return Response(serializer.data)
class VMProductViewSet(ProductViewSet):
permission_classes = [permissions.IsAuthenticated]
serializer_class = VMProductSerializer
def get_queryset(self):
if self.request.user.is_superuser:
obj = VMProduct.objects.all()
else:
obj = VMProduct.objects.filter(owner=self.request.user)
return obj
# Use a database transaction so that we do not get half-created structure
# if something goes wrong.
@transaction.atomic
def create(self, request):
# Extract serializer data.
serializer = VMProductSerializer(data=request.data, context={'request': request})
serializer.is_valid(raise_exception=True)
order_recurring_period = serializer.validated_data.pop("recurring_period")
# Create base order.
order = Order(
recurring_period=order_recurring_period,
owner=request.user,
starting_date=timezone.now()
)
# Create disk image.
disk = VMDiskProduct(owner=request.user, order=order,
**serializer.validated_data.pop("primary_disk"))
# Create VM.
vm = serializer.save(owner=request.user, order=order, primary_disk=disk)
disk.vm = vm
disk.save()
return Response(serializer.data)
class VMSnapshotProductViewSet(viewsets.ModelViewSet):
permission_classes = [permissions.IsAuthenticated]
serializer_class = VMSnapshotProductSerializer
@ -176,7 +128,72 @@ class VMSnapshotProductViewSet(viewsets.ModelViewSet):
return Response(serializer.data)
###
# User VMs.
class VMProductViewSet(ProductViewSet):
permission_classes = [permissions.IsAuthenticated]
def get_queryset(self):
if self.request.user.is_superuser:
obj = VMProduct.objects.all()
else:
obj = VMProduct.objects.filter(owner=self.request.user)
return obj
def get_serializer_class(self):
if self.action == 'create':
return OrderVMProductSerializer
else:
return VMProductSerializer
# Use a database transaction so that we do not get half-created structure
# if something goes wrong.
@transaction.atomic
def create(self, request):
# Extract serializer data.
serializer = self.get_serializer(data=request.data)
serializer.is_valid(raise_exception=True)
order_recurring_period = serializer.validated_data.pop("recurring_period")
order_billing_address = serializer.validated_data.pop("billing_address")
# Create base order.
order = Order(
recurring_period=order_recurring_period,
billing_address=order_billing_address,
owner=request.user,
starting_date=timezone.now()
)
order.save()
# Create disk image.
disk = VMDiskProduct(owner=request.user, order=order,
**serializer.validated_data.pop("primary_disk"))
# Create VM.
vm = serializer.save(owner=request.user, order=order, primary_disk=disk)
disk.vm = vm
disk.save()
return Response(VMProductSerializer(vm, context={'request': request}).data)
###
# Admin stuff.
class VMHostViewSet(viewsets.ModelViewSet):
serializer_class = VMHostSerializer
queryset = VMHost.objects.all()
permission_classes = [permissions.IsAdminUser]
class VMClusterViewSet(viewsets.ModelViewSet):
serializer_class = VMClusterSerializer
queryset = VMCluster.objects.all()
permission_classes = [permissions.IsAdminUser]
##
# Nico's playground.
# Also create:
# - /dcl/available_os