uncloud-mravi/uncloud_django_based/uncloud/uncloud_vm/serializers.py

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from django.contrib.auth import get_user_model
from rest_framework import serializers
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from .models import VMHost, VMProduct, VMSnapshotProduct, VMDiskProduct, VMDiskImageProduct, VMCluster
from uncloud_pay.models import RecurringPeriod
GB_SSD_PER_DAY=0.012
GB_HDD_PER_DAY=0.0006
GB_SSD_PER_DAY=0.012
GB_HDD_PER_DAY=0.0006
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class VMHostSerializer(serializers.HyperlinkedModelSerializer):
vms = serializers.PrimaryKeyRelatedField(many=True, read_only=True)
class Meta:
model = VMHost
fields = '__all__'
read_only_fields = [ 'vms' ]
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class VMClusterSerializer(serializers.HyperlinkedModelSerializer):
class Meta:
model = VMCluster
fields = '__all__'
class VMDiskProductSerializer(serializers.ModelSerializer):
class Meta:
model = VMDiskProduct
fields = '__all__'
class VMDiskImageProductSerializer(serializers.ModelSerializer):
class Meta:
model = VMDiskImageProduct
fields = '__all__'
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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
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class ManagedVMProductSerializer(serializers.ModelSerializer):
"""
Managed VM serializer used in ungleich_service app.
"""
class Meta:
model = VMProduct
fields = [ 'cores', 'ram_in_gb']
class VMSnapshotProductSerializer(serializers.ModelSerializer):
class Meta:
model = VMSnapshotProduct
fields = '__all__'
# verify that vm.owner == user.request
def validate_vm(self, value):
if not value.owner == self.context['request'].user:
raise serializers.ValidationError("VM {} not found for owner {}.".format(value,
self.context['request'].user))
disks = VMDiskProduct.objects.filter(vm=value)
if len(disks) == 0:
raise serializers.ValidationError("VM {} does not have any disks, cannot snapshot".format(value.uuid))
return value
pricing = {}
pricing['per_gb_ssd'] = 0.012
pricing['per_gb_hdd'] = 0.0006
pricing['recurring_period'] = 'per_day'
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class VMProductSerializer(serializers.ModelSerializer):
class Meta:
model = VMProduct
fields = ['uuid', 'order', 'owner', 'status', 'name',
'cores', 'ram_in_gb', 'recurring_period',
'snapshots', 'disks',
'extra_data' ]
read_only_fields = ['uuid', 'order', 'owner', 'status' ]
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# Custom field used at creation (= ordering) only.
recurring_period = serializers.ChoiceField(
choices=VMProduct.allowed_recurring_periods())
snapshots = VMSnapshotProductSerializer(many=True,
read_only=True)
disks = VMDiskProductSerializer(many=True,
read_only=True)