Access VirtualMachineTemplates via api!

Serialization of VirtualMachineTemplates now fully works

opennebula_api/serializers.py

@@ -0,0 +1,63 @@
+import oca
+
+from rest_framework import serializers
+
+from oca import OpenNebulaException
+
+from .models import VirtualMachine, VirtualMachineTemplate, OpenNebulaManager
+
+class VirtualMachineSerializer(serializers.ModelSerializer):
+    """Serializer to map the virtual machine instance into JSON format."""
+
+    #TODO: Maybe we can change to template.get_cores
+    cores       = serializers.IntegerField(read_only=True, source='get_cores') 
+    name        = serializers.CharField(read_only=True, source='get_name')
+    disk_size   = serializers.IntegerField(read_only=True, source='get_disk_size')
+    memory      = serializers.IntegerField(read_only=True, source='get_memory')
+    #TODO: See if we can change to IPAddressField
+    ip          = serializers.CharField(read_only=True, source='get_ip')
+    deploy_id   = serializers.IntegerField(read_only=True, source='get_deploy_id')
+    vm_id          = serializers.IntegerField(read_only=True, source='get_vm_id')
+    state       = serializers.CharField(read_only=True, source='get_state')
+    price       = serializers.FloatField(read_only=True, source='get_price')
+
+    class Meta:
+        model = VirtualMachine
+        fields = ('id', 'opennebula_id', 'template', 'cores', 'name',
+                'disk_size', 'memory', 'ip', 'deploy_id', 'state', 'vm_id',
+                'price')
+
+class VirtualMachineTemplateSerializer(serializers.ModelSerializer):
+    """Serializer to map the virtual machine template instance into JSON format."""
+    cores       = serializers.IntegerField(source='get_cores') 
+    name        = serializers.CharField(source='get_name')
+    disk_size   = serializers.IntegerField(source='get_disk_size')
+    memory      = serializers.IntegerField(source='get_memory')
+
+    class Meta:
+        model = VirtualMachineTemplate
+        fields = ('id', 'name', 'cores', 'memory', 'disk_size', 'base_price', 
+                  'core_price', 'memory_price', 'disk_size_price', 'opennebula_id')
+        read_only_fields = ('opennebula_id', )
+
+    def validate(self, data):
+        # Create the opennebula model
+        cores   = data.pop('get_cores')
+        name    = data.pop('get_name')
+        disk_size = data.pop('get_disk_size')
+        memory  = data.pop('get_memory')
+
+        manager = OpenNebulaManager(create_user = False)
+        
+        try:
+            opennebula_id = manager.create_template(name=name, cores=cores,
+                                                    memory=memory,
+                                                    disk_size=disk_size)
+            data.update({'opennebula_id':opennebula_id})
+        except OpenNebulaException as err:
+            raise serializers.ValidationError("OpenNebulaException occured. {0}".format(err))
+        
+        return data
+
+    def create(self, validated_data):
+        return VirtualMachineTemplate.objects.create(**validated_data)