instance: Create Flavor and Lease model. Add fields to instance

recircle/image/views.py

@@ -3,7 +3,7 @@ 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.OpenstackImageManager import (
+from implementation.image.OpenstackImageManager import (
     OpenstackImageManager,
 )
 import openstack

recircle/instance/models.py

 from django.db import models
 from django.conf import settings
+from django.contrib.auth.models import User
+from storage import Disk
 
 
 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 Lease(models.Model):
+    """ Users can use the virtual machine until the lease dates.
+        After suspend interval the vm suspends and after delete it will be
+        destroyed
+    """
+    name = models.CharField(blank=True, max_length=100)
+    description = models.CharField(blank=True, max_length=100)
+    suspend_interval_in_sec = models.IntegerField(blank=True, null=True)
+    delete_interval_in_sec = models.IntegerField(blank=True, null=True)
+
+
+class Flavor(models.Model):
+    """ Flavors are reasource packages, contains all information about
+        resources accociated with the virtual machine
+    """
+    name = models.CharField(blank=True, max_length=100)
+    description = models.CharField(blank=True, max_length=200)
+    ram = models.IntegerField(blank=True, null=True)
+    vcpu = models.IntegerField(blank=True, null=True)
+    initial_disk = models.IntegerField(blank=True, null=True)
+    priority = models.IntegerField(blank=True, null=True)
 
 
 class Instance(models.Model):
-    name = models.CharField(max_length=100, help_text="Human readable name of instance")
+    """Virtual machine instance.
+    """
+
+    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"
     )
@@ -21,15 +46,13 @@ class Instance(models.Model):
         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"
+        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"
     )
@@ -40,6 +63,18 @@ class Instance(models.Model):
         help_text="Indicates if the instance is ready for garbage collection",
         default=False,
     )
-    # template
-    # disks
-    # owner
+
+    # image = models.ForeignKey(TemplateImage, related_name="vm", null=True,
+    #                           help_text="The base image of the vm")
+    #
+    # snapshot = models.ForeignKey(Snapshot, related_name="vm", null=True,
+    #                              help_text="The base snapshot of the vm")
+
+    disks = models.ManyToManyField(Disk, related_name="instance",
+                                   help_text="Disks attached to instance",
+                                   verbose_name="disks")
+
+    owner = models.ForeignKey(User)
+    flavor = models.ForeignKey(Flavor, help_text="Reasources given to the vm",
+                               verbose_name="flavor")
+    lease = models.ForeignKey(Lease)

recircle/instance/views.py

@@ -4,7 +4,7 @@ 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
+from implementation.vm.instance import OSVirtualMachineManager
 import openstack
 
 import datetime