Merge branch 'DEV' into 'CI'

# Conflicts:
#   Pipfile
#   Pipfile.lock
#   recircle/recircle/settings.py
#   recircle/recircle/urls.py

.gitignore

 .vscode/
 .vscode/
 recircle/db.sqlite3
 recircle/db.sqlite3
 interface-openstack/
 interface-openstack/
-
+recircle/clouds.yaml
+recircle/implementation/
+recircle/interface/
+recircle/interface_openstack/

Pipfile

@@ -6,12 +6,16 @@ verify_ssl = true
 [dev-packages]
 [dev-packages]
 httpie = "*"
 httpie = "*"
 flake8 = "*"
 flake8 = "*"
+django-rest-swagger = "*"
 
 
 [packages]
 [packages]
 django = "*"
 django = "*"
-django-rest-framework = "*"
 djangorestframework = "*"
 djangorestframework = "*"
 djoser = "*"
 djoser = "*"
+django-cors-headers = "*"
+openstacksdk = "*"
+python-novaclient = "*"
+keystoneauth1 = "*"
 
 
 [requires]
 [requires]
 python_version = "3.6"
 python_version = "3.6"

recircle/image/admin.py

+# from django.contrib import admin
+
+# Register your models here.

recircle/image/apps.py

+from django.apps import AppConfig
+
+
+class ImageConfig(AppConfig):
+    name = "image"

recircle/image/migrations/0001_initial.py

+# Generated by Django 2.2.1 on 2019-05-13 12:02
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Disk',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(blank=True, help_text='Name of the disk', max_length=100, verbose_name='name')),
+                ('remote_ID', models.CharField(help_text='ID, which helps access the disk', max_length=40, unique=True, verbose_name='remote_ID')),
+            ],
+        ),
+    ]

recircle/image/models.py

+from django.db import models
+
+
+class Disk(models.Model):
+
+    """A virtual disk.
+    """
+
+    name = models.CharField(
+        blank=True, max_length=100, verbose_name="name", help_text="Name of the disk"
+    )
+    remote_ID = models.CharField(
+        max_length=40,
+        unique=True,
+        verbose_name="remote_ID",
+        help_text="ID, which helps access the disk",
+    )

recircle/image/serializers.py

+from rest_framework import serializers
+
+from .models import Disk
+
+
+class DiskSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Disk
+        fields = ("name", "remote_ID")

recircle/image/tests.py

+# from django.test import TestCase
+
+# Create your tests here.

recircle/image/urls.py

+from django.urls import path
+from rest_framework.urlpatterns import format_suffix_patterns
+from image import views
+
+urlpatterns = [path("", views.DiskList.as_view())]
+
+urlpatterns = format_suffix_patterns(urlpatterns)

recircle/image/views.py

+from image.models import Disk
+from image.serializers import DiskSerializer
+# from django.shortcuts import render
+from rest_framework.views import APIView
+from rest_framework.response import Response
+from interface_openstack.implementation.image.openstack_image_manager import (
+    OpenstackImageManager,
+)
+import openstack
+
+conn = openstack.connect(cloud="openstack")
+
+
+class DiskList(APIView):
+    def get(self, request, format=None):
+        # OpenStack
+        interface = OpenstackImageManager(conn)
+        return Response([disk.__dict__ for disk in interface.list()])
+
+        # Create response
+        disks = Disk.object.all()
+        serializer = DiskSerializer(disks, many=True)
+        return Response(serializer.data)

recircle/instance/admin.py

+from django.contrib import admin
+
+from instance.models import Instance
+
+admin.site.register(Instance)

recircle/instance/apps.py

+from django.apps import AppConfig
+
+
+class InstanceConfig(AppConfig):
+    name = "instance"

recircle/instance/migrations/0001_initial.py

+# Generated by Django 2.2 on 2019-04-17 14:01
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Instance',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(blank=True, help_text='Human readable name of instance.', max_length=100, verbose_name='name')),
+                ('description', models.TextField(blank=True, help_text='The description of the instance.', verbose_name='description')),
+            ],
+        ),
+    ]

recircle/instance/migrations/0002_auto_20190502_1341.py

+# Generated by Django 2.2 on 2019-05-02 13:41
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('instance', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='instance',
+            name='access_method',
+            field=models.CharField(choices=[('rdp', 'Remote Desktop Protocol'), ('ssh', 'Secure Shell')], default='rdp', help_text='Primary remote access method.', max_length=10),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='instance',
+            name='lease',
+            field=models.CharField(choices=[('project', 'Project'), ('server', 'Server'), ('infinite', 'Infinite lease')], default='project', help_text='Expiration method', max_length=50),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='instance',
+            name='password',
+            field=models.CharField(default=12345678, help_text='Original password of the instance.', max_length=50),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='instance',
+            name='system',
+            field=models.CharField(default='windows', help_text='Operating system type', max_length=50),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name='instance',
+            name='description',
+            field=models.TextField(blank=True, help_text='The description of the instance'),
+        ),
+        migrations.AlterField(
+            model_name='instance',
+            name='name',
+            field=models.CharField(help_text='Human readable name of instance', max_length=100),
+        ),
+    ]

recircle/instance/migrations/0003_auto_20190510_1307.py

+# Generated by Django 2.2.1 on 2019-05-10 13:07
+
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('instance', '0002_auto_20190502_1341'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='instance',
+            name='deleted',
+            field=models.BooleanField(default=False, help_text='Indicates if the instance is ready for garbage collection'),
+        ),
+        migrations.AddField(
+            model_name='instance',
+            name='time_of_delete',
+            field=models.DateTimeField(default=django.utils.timezone.now, help_text='After this point in time, the instance will be deleted!'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='instance',
+            name='time_of_suspend',
+            field=models.DateTimeField(default=django.utils.timezone.now, help_text='After this point in time, the instance will be suspended'),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name='instance',
+            name='access_method',
+            field=models.CharField(choices=[('rdp', 'Remote Desktop Protocol'), ('ssh', 'Secure Shell')], help_text='Primary remote access method', max_length=10),
+        ),
+        migrations.AlterField(
+            model_name='instance',
+            name='lease',
+            field=models.CharField(choices=[('shortlab', 'Short laboratory'), ('lab', 'Laboratory'), ('project', 'Project')], help_text='Expiration method', max_length=50),
+        ),
+        migrations.AlterField(
+            model_name='instance',
+            name='password',
+            field=models.CharField(help_text='Original password of the instance', max_length=50),
+        ),
+    ]

recircle/instance/migrations/0004_instance_remoteid.py

+# Generated by Django 2.2.1 on 2019-05-13 12:02
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('instance', '0003_auto_20190510_1307'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='instance',
+            name='remoteId',
+            field=models.CharField(default=0, help_text='ID of the instance on the backend', max_length=100),
+            preserve_default=False,
+        ),
+    ]

recircle/instance/migrations/0005_auto_20190513_1203.py

+# Generated by Django 2.2.1 on 2019-05-13 12:03
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('instance', '0004_instance_remoteid'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='instance',
+            old_name='remoteId',
+            new_name='remote_id',
+        ),
+    ]

recircle/instance/models.py

+from django.db import models
+from django.conf import settings
+
+
+ACCESS_METHODS = tuple(
+    [(key, val[0]) for key, val in settings.VM_ACCESS_PROTOCOLS.items()]
+)
+
+# Later stored in database
+LEASE_TYPES = tuple(
+    [(val["name"], val["verbose_name"]) for val in settings.LEASE_TYPES]
+)
+
+
+class Instance(models.Model):
+    name = models.CharField(max_length=100, help_text="Human readable name of instance")
+    remote_id = models.CharField(
+        max_length=100, help_text="ID of the instance on the backend"
+    )
+    description = models.TextField(
+        blank=True, help_text="The description of the instance"
+    )
+    access_method = models.CharField(
+        max_length=10, choices=ACCESS_METHODS, help_text="Primary remote access method"
+    )
+    system = models.CharField(max_length=50, help_text="Operating system type")
+    password = models.CharField(
+        max_length=50, help_text="Original password of the instance"
+    )
+    lease = models.CharField(
+        max_length=50, choices=LEASE_TYPES, help_text="Expiration method"
+    )
+    time_of_suspend = models.DateTimeField(
+        help_text="After this point in time, the instance will be suspended"
+    )
+    time_of_delete = models.DateTimeField(
+        help_text="After this point in time, the instance will be deleted!"
+    )
+    deleted = models.BooleanField(
+        help_text="Indicates if the instance is ready for garbage collection",
+        default=False,
+    )
+    # template
+    # disks
+    # owner

recircle/instance/serializers.py

+from rest_framework import serializers
+
+from .models import Instance
+
+
+class InstanceSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Instance
+        fields = "__all__"

recircle/instance/tests.py

+# from django.test import TestCase
+
+# Create your tests here.

recircle/instance/urls.py

+from django.urls import path
+from rest_framework.urlpatterns import format_suffix_patterns
+from instance import views
+
+urlpatterns = [
+    path("instances/", views.InstanceList.as_view()),
+    path("instances/<int:pk>/", views.InstanceDetail.as_view()),
+    # path('instances/<int:pk>/action/', views.InstanceAction.as_view())
+]
+
+urlpatterns = format_suffix_patterns(urlpatterns)

recircle/instance/views.py

+from instance.models import Instance
+from instance.serializers import InstanceSerializer
+from django.http import Http404
+from rest_framework.views import APIView
+from rest_framework.response import Response
+from rest_framework import status
+from interface_openstack.implementation.vm.instance import OSVirtualMachineManager
+import openstack
+
+import datetime
+
+
+conn = openstack.connect(cloud="openstack")
+
+
+class InstanceList(APIView):
+    def get(self, request, format=None):
+        instances = Instance.objects.all()
+        return Response(InstanceSerializer(instances, many=True).data)
+
+    def post(self, request, format=None):
+        data = request.data
+        interface = OSVirtualMachineManager(conn)
+        imageId = "da51253f-867c-472d-8ce0-81e7b7126d60"
+        flavorId = "1"
+        networks = [{"uuid": "c03d0d4b-413e-4cc6-9ebe-c0b5ca0dac3a"}]
+        newBackendInstance = interface.create_vm_from_template(
+            "Integration test vm 2", imageId, flavorId, networks
+        )
+        newInstance = Instance(
+            name=data["name"],
+            remote_id=newBackendInstance.id,
+            description=data["description"],
+            access_method="ssh",
+            system=data["system"],
+            password="12345678",
+            lease=data["lease"],
+            time_of_suspend=datetime.datetime.now(),
+            time_of_delete=datetime.datetime.now(),
+            deleted=False,
+        )
+        newInstance.save()
+        return Response(newInstance.pk)
+
+
+class InstanceDetail(APIView):
+    """
+    Retrieve, update or delete a snippet instance.
+    """
+
+    def get_object(self, pk):
+        try:
+            return Instance.objects.get(pk=pk)
+        except Instance.DoesNotExist:
+            raise Http404
+
+    def get(self, request, pk, format=None):
+        instance = self.get_object(pk)
+        instanceDict = InstanceSerializer(instance).data
+
+        interface = OSVirtualMachineManager(conn)
+        remoteInstance = interface.get_vm(instance.remote_id)
+        remoteInstanceDict = remoteInstance.__dict__
+
+        merged_dict = {**instanceDict, **remoteInstanceDict}
+
+        return Response(merged_dict)
+
+    def put(self, request, pk, format=None):
+        instance = self.get_object(pk)
+        serializer = InstanceSerializer(instance, data=request.data)
+        if serializer.is_valid():
+            serializer.save()
+            return Response(serializer.data)
+        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+
+    def delete(self, request, pk, format=None):
+        instance = self.get_object(pk)
+        instance.delete()
+        return Response(status=status.HTTP_204_NO_CONTENT)

recircle/manage.py

@@ -2,8 +2,8 @@
 import os
 import os
 import sys
 import sys
 
 
-if __name__ == '__main__':
-    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'recircle.settings')
+if __name__ == "__main__":
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "recircle.settings")
     try:
     try:
         from django.core.management import execute_from_command_line
         from django.core.management import execute_from_command_line
     except ImportError as exc:
     except ImportError as exc:

recircle/recircle/settings.py

@@ -20,68 +20,69 @@ BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 # See https://docs.djangoproject.com/en/2.1/howto/deployment/checklist/
 # See https://docs.djangoproject.com/en/2.1/howto/deployment/checklist/
 
 
 # SECURITY WARNING: keep the secret key used in production secret!
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = 'xhe8=w50lz82gjb6+z%(rwk2c+1kd!%(iv_s^!tp)*5cnb=-^t'
+SECRET_KEY = "xhe8=w50lz82gjb6+z%(rwk2c+1kd!%(iv_s^!tp)*5cnb=-^t"
 
 
 # SECURITY WARNING: don't run with debug turned on in production!
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 DEBUG = True
 
 
-ALLOWED_HOSTS = [
-    'vm.niif.cloud.bme.hu',
-    'localhost',
-]
-
+ALLOWED_HOSTS = ["vm.niif.cloud.bme.hu", "localhost"]
 
 
 # Application definition
 # Application definition
 
 
 INSTALLED_APPS = [
 INSTALLED_APPS = [
-    'django.contrib.admin',
-    'django.contrib.auth',
-    'django.contrib.contenttypes',
-    'django.contrib.sessions',
-    'django.contrib.messages',
-    'django.contrib.staticfiles',
-    'rest_framework',
-    'djoser',
+    "instance.apps.InstanceConfig",
+    "image.apps.ImageConfig",
+    "django.contrib.admin",
+    "django.contrib.auth",
+    "django.contrib.contenttypes",
+    "django.contrib.sessions",
+    "django.contrib.messages",
+    "django.contrib.staticfiles",
+    "rest_framework",
+    "djoser",
+    "rest_framework_swagger",
+    "corsheaders",
 ]
 ]
 
 
 MIDDLEWARE = [
 MIDDLEWARE = [
-    'django.middleware.security.SecurityMiddleware',
-    'django.contrib.sessions.middleware.SessionMiddleware',
-    'django.middleware.common.CommonMiddleware',
-    'django.middleware.csrf.CsrfViewMiddleware',
-    'django.contrib.auth.middleware.AuthenticationMiddleware',
-    'django.contrib.messages.middleware.MessageMiddleware',
-    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    "django.middleware.security.SecurityMiddleware",
+    "django.contrib.sessions.middleware.SessionMiddleware",
+    "corsheaders.middleware.CorsMiddleware",
+    "django.middleware.common.CommonMiddleware",
+    "django.middleware.csrf.CsrfViewMiddleware",
+    "django.contrib.auth.middleware.AuthenticationMiddleware",
+    "django.contrib.messages.middleware.MessageMiddleware",
+    "django.middleware.clickjacking.XFrameOptionsMiddleware",
 ]
 ]
 
 
-ROOT_URLCONF = 'recircle.urls'
+ROOT_URLCONF = "recircle.urls"
 
 
 TEMPLATES = [
 TEMPLATES = [
     {
     {
-        'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        'DIRS': [],
-        'APP_DIRS': True,
-        'OPTIONS': {
-            'context_processors': [
-                'django.template.context_processors.debug',
-                'django.template.context_processors.request',
-                'django.contrib.auth.context_processors.auth',
-                'django.contrib.messages.context_processors.messages',
-            ],
+        "BACKEND": "django.template.backends.django.DjangoTemplates",
+        "DIRS": [],
+        "APP_DIRS": True,
+        "OPTIONS": {
+            "context_processors": [
+                "django.template.context_processors.debug",
+                "django.template.context_processors.request",
+                "django.contrib.auth.context_processors.auth",
+                "django.contrib.messages.context_processors.messages",
+            ]
         },
         },
-    },
+    }
 ]
 ]
 
 
-WSGI_APPLICATION = 'recircle.wsgi.application'
+WSGI_APPLICATION = "recircle.wsgi.application"
 
 
 
 
 # Database
 # Database
 # https://docs.djangoproject.com/en/2.1/ref/settings/#databases
 # https://docs.djangoproject.com/en/2.1/ref/settings/#databases
 
 
 DATABASES = {
 DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+    "default": {
+        "ENGINE": "django.db.backends.sqlite3",
+        "NAME": os.path.join(BASE_DIR, "db.sqlite3"),
     }
     }
 }
 }
 
 
@@ -91,26 +92,20 @@ DATABASES = {
 
 
 AUTH_PASSWORD_VALIDATORS = [
 AUTH_PASSWORD_VALIDATORS = [
     {
     {
-        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
-    },
-    {
-        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
-    },
-    {
-        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
-    },
-    {
-        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+        "NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator"
     },
     },
+    {"NAME": "django.contrib.auth.password_validation.MinimumLengthValidator"},
+    {"NAME": "django.contrib.auth.password_validation.CommonPasswordValidator"},
+    {"NAME": "django.contrib.auth.password_validation.NumericPasswordValidator"},
 ]
 ]
 
 
 
 
 # Internationalization
 # Internationalization
 # https://docs.djangoproject.com/en/2.1/topics/i18n/
 # https://docs.djangoproject.com/en/2.1/topics/i18n/
 
 
-LANGUAGE_CODE = 'en-us'
+LANGUAGE_CODE = "en-us"
 
 
-TIME_ZONE = 'UTC'
+TIME_ZONE = "UTC"
 
 
 USE_I18N = True
 USE_I18N = True
 
 
@@ -122,4 +117,43 @@ USE_TZ = True
 # Static files (CSS, JavaScript, Images)
 # Static files (CSS, JavaScript, Images)
 # https://docs.djangoproject.com/en/2.1/howto/static-files/
 # https://docs.djangoproject.com/en/2.1/howto/static-files/
 
 
-STATIC_URL = '/static/'
+
+STATIC_URL = "/static/"
+
+###############################################################################
+# RECIRCLE CONFIG
+###############################################################################
+
+# VM ACCESS PROTOCOLS
+VM_ACCESS_PROTOCOLS = {
+    "rdp": ["Remote Desktop Protocol", 3389, "tcp"],
+    "ssh": ["Secure Shell", 22, "tcp"],
+}
+
+# LEASE TYPES
+LEASE_TYPES = [
+    {
+        "name": "shortlab",
+        "verbose_name": "Short laboratory",
+        "description": "The student only needs the VM during the lecture.",
+        "suspend_interval_seconds": 10800,  # 3 hours
+        "delete_interval_seconds": 14400,  # 4 hours
+    },
+    {
+        "name": "lab",
+        "verbose_name": "Laboratory",
+        "description": "The student may need the VM after the lecture.",
+        "suspend_interval_seconds": 18000,  # 5 hours
+        "delete_interval_seconds": 604800,  # 1 week
+    },
+    {
+        "name": "project",
+        "verbose_name": "Project",
+        "description": "A VM is used for a project for a semester.",
+        "suspend_interval_seconds": 2629743,  # 1 month
+        "delete_interval_seconds": 15778463,  # 6 months
+    },
+]
+
+# CORS config for development version only
+CORS_ORIGIN_WHITELIST = ("http://localhost:3000",)

recircle/recircle/urls.py

@@ -15,9 +15,16 @@ Including another URLconf
 """
 """
 from django.contrib import admin
 from django.contrib import admin
 from django.urls import path, re_path, include
 from django.urls import path, re_path, include
+from rest_framework_swagger.views import get_swagger_view
+
+
+schema_view = get_swagger_view(title="RECIRCLE API")
 
 
 urlpatterns = [
 urlpatterns = [
-    path('admin/', admin.site.urls),
-    re_path(r'^auth/', include('djoser.urls')),
-    re_path(r'^auth/', include('djoser.urls.authtoken'))
+    path("images/", include("image.urls")),
+    path("api/v1/", include("instance.urls")),
+    path("admin/", admin.site.urls),
+    re_path(r"^auth/", include("djoser.urls")),
+    re_path(r"^auth/", include("djoser.urls.authtoken")),
+    path(r"swagger", schema_view),
 ]
 ]

recircle/recircle/wsgi.py

@@ -11,6 +11,6 @@ import os
 
 
 from django.core.wsgi import get_wsgi_application
 from django.core.wsgi import get_wsgi_application
 
 
-os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'recircle.settings')
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "recircle.settings")
 
 
 application = get_wsgi_application()
 application = get_wsgi_application()

recircle/storage/admin.py

+# from django.contrib import admin
+
+# Register your models here.

recircle/storage/apps.py

+from django.apps import AppConfig
+
+
+class StorageConfig(AppConfig):
+    name = "storage"

recircle/storage/models.py

+from django.db import models
+
+
+# Create your models here.
+class DataStore:
+
+    """Collection of virtual disks.
+    """
+
+    name = models.CharField(
+        max_length=100,
+        unique=True,
+        verbose_name="name",
+        help_text="Name of the data store.",
+    )
+    remote_ID = models.CharField(
+        max_length=40,
+        unique=True,
+        verbose_name="remote_ID",
+        help_text="ID, which helps access the data store.",
+    )
+    # vm

recircle/storage/serializers.py

+from rest_framework import serializers
+
+from .models import DataStore
+
+
+class DataStoreSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = DataStore
+        fields = ("name", "remote_ID")

recircle/storage/tests.py

+# from django.test import TestCase
+
+# Create your tests here.

recircle/storage/views.py

+# from django.shortcuts import render
+
+# Create your views here.

recircle/template/admin.py

+# from django.contrib import admin
+
+# Register your models here.

recircle/template/apps.py

+from django.apps import AppConfig
+
+
+class TemplateConfig(AppConfig):
+    name = "template"

recircle/template/models.py

+from django.db import models
+
+
+class InstanceTemplate:
+
+    """Virtual machine template.
+    """
+
+    name = models.CharField(
+        max_length=100,
+        verbose_name="name",
+        help_text="Human readable name of template.",
+    )
+    description = models.TextField(
+        verbose_name="description", blank=True, help_text="Description of the template."
+    )
+    # owner = models.ForeignKey(User)
+    remote_ID = models.CharField(
+        max_length=40,
+        unique=True,
+        verbose_name="remote_ID",
+        help_text="ID, which helps access the template.",
+    )

recircle/template/serializers.py

+from rest_framework import serializers
+
+from .models import InstanceTemplate
+
+
+class InstanceTemplateSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = InstanceTemplate
+        fields = ("name", "description", "owner", "remote_ID")

recircle/template/tests.py

+# from django.test import TestCase
+
+# Create your tests here.

recircle/template/views.py

+# from django.shortcuts import render
+
+# Create your views here.