Cobbler model changes, new endpoints

Signed-off-by: Adam Hassick <ahassick@iol.unh.edu>
Change-Id: If0a94730e92747127cef121ec4930a4c8bae6c92
Signed-off-by: Sawyer Bergeron <sbergeron@iol.unh.edu>
Signed-off-by: Adam Hassick <ahassick@iol.unh.edu>

13 files changed, 371 insertions, 41 deletions

diff --git a/src/api/migrations/0017_auto_20210630_1629.py b/src/api/migrations/0017_auto_20210630_1629.py
new file mode 100644
index 0000000..643ff5f
--- /dev/null
+++ b/src/api/migrations/0017_auto_20210630_1629.py
@@ -0,0 +1,18 @@
+# Generated by Django 2.2 on 2021-06-30 16:29
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0016_auto_20201109_2149'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='snapshotconfig',
+            name='image',
+            field=models.CharField(max_length=200, null=True),
+        ),
+    ]
diff --git a/src/api/migrations/0017_cloudinitfile.py b/src/api/migrations/0018_cloudinitfile.py
index f14aea1..4e41b39 100644
--- a/src/api/migrations/0017_cloudinitfile.py
+++ b/src/api/migrations/0018_cloudinitfile.py
@@ -1,4 +1,4 @@
-# Generated by Django 2.2 on 2021-06-11 20:42
+# Generated by Django 2.2 on 2021-07-01 20:45
 
 from django.db import migrations, models
 import django.db.models.deletion
@@ -7,9 +7,9 @@ import django.db.models.deletion
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('resource_inventory', '0017_auto_20201218_1516'),
+        ('resource_inventory', '0019_auto_20210701_1947'),
         ('booking', '0008_auto_20201109_1947'),
-        ('api', '0016_auto_20201109_2149'),
+        ('api', '0017_auto_20210630_1629'),
     ]
 
     operations = [
diff --git a/src/api/models.py b/src/api/models.py
index 36d1b8c..a207044 100644
--- a/src/api/models.py
+++ b/src/api/models.py
@@ -25,6 +25,7 @@ from resource_inventory.models import (
     Lab,
     ResourceProfile,
     Image,
+    Opsys,
     Interface,
     ResourceOPNFVConfig,
     RemoteInfo,
@@ -85,6 +86,18 @@ class LabManager(object):
     def __init__(self, lab):
         self.lab = lab
 
+    def get_opsyss(self):
+        return Opsys.objects.filter(from_lab=self.lab)
+
+    def get_images(self):
+        return Image.objects.filter(from_lab=self.lab)
+
+    def get_image(self, image_id):
+        return Image.objects.filter(from_lab=self.lab, lab_id=image_id)
+        
+    def get_opsys(self, opsys_id):
+        return Opsys.objects.filter(from_lab=self.lab, lab_id=opsys_id)
+
     def get_downtime(self):
         return Downtime.objects.filter(start__lt=timezone.now(), end__gt=timezone.now(), lab=self.lab)
 
@@ -408,7 +421,7 @@ class CloudInitFile(models.Model):
         return full_dict
 
     @classmethod
-    def get(booking_id: int, resource_lab_id: str):
+    def get(cls, booking_id: int, resource_lab_id: str):
         return CloudInitFile.objects.get(resource_id=resource_lab_id, booking__id=booking_id)
 
     def _resource(self):
@@ -768,7 +781,6 @@ class HardwareConfig(TaskConfig):
         # TODO: grab the CloudInitFile urls from self.hosthardwarerelation.get_resource()
         return self.format_delta(
             self.hosthardwarerelation.get_resource().get_configuration(self.state),
-            self.cloudinit_file.get_delta_url(),
             self.hosthardwarerelation.lab_token)
 
 
@@ -819,7 +831,7 @@ class NetworkConfig(TaskConfig):
 class SnapshotConfig(TaskConfig):
 
     resource_id = models.CharField(max_length=200, default="default_id")
-    image = models.IntegerField(null=True)
+    image = models.CharField(max_length=200,null=True) # cobbler ID
     dashboard_id = models.IntegerField()
     delta = models.TextField(default="{}")
 
diff --git a/src/api/urls.py b/src/api/urls.py
index 7adeef6..e5ddd97 100644
--- a/src/api/urls.py
+++ b/src/api/urls.py
@@ -47,9 +47,17 @@ from api.views import (
     GenerateTokenView,
     analytics_job,
     resource_cidata,
+    all_images,
+    all_opsyss,
+    single_image,
+    single_opsys
 )
 
 urlpatterns = [
+    path('labs/<slug:lab_name>/opsys/<slug:opsys_id>', single_opsys),
+    path('labs/<slug:lab_name>/image/<slug:image_id>', single_image),
+    path('labs/<slug:lab_name>/opsys', all_opsyss),
+    path('labs/<slug:lab_name>/image', all_images),
     path('labs/<slug:lab_name>/profile', lab_profile),
     path('labs/<slug:lab_name>/status', lab_status),
     path('labs/<slug:lab_name>/inventory', lab_inventory),
@@ -60,7 +68,7 @@ urlpatterns = [
     path('labs/<slug:lab_name>/booking/<int:booking_id>/idf', get_idf, name="get-idf"),
     path('labs/<slug:lab_name>/jobs/<int:job_id>', specific_job),
     path('labs/<slug:lab_name>/jobs/<int:job_id>/<slug:task_id>', specific_task),
-    path('labs/<slug:lab_name>/jobs/<int:job_id>/cidata/<slug:resource_id', resource_cidata),
+    path('labs/<slug:lab_name>/jobs/<int:job_id>/cidata/<slug:resource_id>', resource_cidata),
     path('labs/<slug:lab_name>/jobs/new', new_jobs),
     path('labs/<slug:lab_name>/jobs/current', current_jobs),
     path('labs/<slug:lab_name>/jobs/done', done_jobs),
diff --git a/src/api/views.py b/src/api/views.py
index 3a3effa..4b887e6 100644
--- a/src/api/views.py
+++ b/src/api/views.py
@@ -14,6 +14,7 @@ from django.shortcuts import redirect
 from django.utils.decorators import method_decorator
 from django.utils import timezone
 from django.views import View
+from django.http import QueryDict
 from django.http.response import JsonResponse, HttpResponse
 from rest_framework import viewsets
 from rest_framework.authtoken.models import Token
@@ -25,9 +26,14 @@ from api.serializers.old_serializers import UserSerializer
 from api.forms import DowntimeForm
 from account.models import UserProfile
 from booking.models import Booking
-from api.models import LabManagerTracker, get_task, CloudInitFile
+from api.models import LabManagerTracker, get_task, CloudInitFile, Job
 from notifier.manager import NotificationHandler
 from analytics.models import ActiveVPNUser
+from resource_inventory.models import (
+    Image,
+    Opsys
+)
+
 import json
 
 """
@@ -80,6 +86,81 @@ def lab_host(request, lab_name="", host_id=""):
     if request.method == "POST":
         return JsonResponse(lab_manager.update_host(host_id, request.POST), safe=False)
 
+# API extension for Cobbler integration
+
+def all_images(request, lab_name=""):
+    a = []
+    for i in Image.objects.all():
+        a.append(i.serialize())
+    return JsonResponse(a, safe=False)
+
+
+def all_opsyss(request, lab_name=""):
+    a = []
+    for opsys in Opsys.objects.all():
+        a.append(opsys.serialize())
+
+    return JsonResponse(a, safe=False)
+
+@csrf_exempt
+def single_image(request, lab_name="", image_id=""):
+    lab_token = request.META.get('HTTP_AUTH_TOKEN')
+    lab_manager = LabManagerTracker.get(lab_name, lab_token)
+    img = lab_manager.get_image(image_id).first()
+    
+    if request.method == "GET":
+        if not img:
+            return HttpResponse(status=404)
+        return JsonResponse(img.serialize(), safe=False)
+
+    if request.method == "POST":
+        # get POST data
+        data = json.loads(request.body.decode('utf-8'))
+        if img:
+            img.update(data)
+        else:
+            # append lab name and the ID from the URL
+            data['from_lab_id'] = lab_name
+            data['lab_id'] = image_id
+        
+            # create and save a new Image object
+            img = Image.new_from_data(data)
+
+        img.save()
+
+        # indicate success in response
+        return HttpResponse(status=200)
+    return HttpResponse(status=405)
+
+
+@csrf_exempt
+def single_opsys(request, lab_name="", opsys_id=""):
+    lab_token = request.META.get('HTTP_AUTH_TOKEN')
+    lab_manager = LabManagerTracker.get(lab_name, lab_token) 
+    opsys = lab_manager.get_opsys(opsys_id).first()
+
+    if request.method == "GET":
+        if not opsys:
+            return HttpResponse(status=404)
+        return JsonResponse(opsys.serialize(), safe=False)
+
+    if request.method == "POST":
+        data = json.loads(request.body.decode('utf-8'))
+        if opsys:
+            opsys.update(data)
+        else:
+            # only name, available, and obsolete are needed to create an Opsys
+            # other fields are derived from the URL parameters
+            
+            data['from_lab_id'] = lab_name
+            data['lab_id'] = opsys_id
+            opsys = Opsys.new_from_data(data)
+
+        opsys.save()
+        return HttpResponse(status=200)
+    return HttpResponse(status=405)
+
+# end API extension
 
 def get_pdf(request, lab_name="", booking_id=""):
     lab_token = request.META.get('HTTP_AUTH_TOKEN')
@@ -168,10 +249,11 @@ def specific_job(request, lab_name="", job_id=""):
 
 @csrf_exempt
 def resource_cidata(request, lab_name="", job_id="", resource_id=""):
-    lab_token = request.META.get('HTTP_AUTH_TOKEN')
-    lab_manager = LabManagerTracker.get(lab_name, lab_token)
+    #lab_token = request.META.get('HTTP_AUTH_TOKEN')
+    #lab_manager = LabManagerTracker.get(lab_name, lab_token)
 
-    job = lab_manager.get_job(job_id)
+    #job = lab_manager.get_job(job_id)
+    job = Job.objects.get(id=job_id)
 
     cifile = None
     try:
diff --git a/src/booking/quick_deployer.py b/src/booking/quick_deployer.py
index 0a3bfc6..9e53da5 100644
--- a/src/booking/quick_deployer.py
+++ b/src/booking/quick_deployer.py
@@ -176,13 +176,6 @@ def check_invariants(request, **kwargs):
     length = kwargs['length']
     # check that image os is compatible with installer
     if image:
-        if installer or scenario:
-            if installer in image.os.sup_installers.all():
-                # if installer not here, we can omit that and not check for scenario
-                if not scenario:
-                    raise ValidationError("An OPNFV Installer needs a scenario to be chosen to work properly")
-                if scenario not in installer.sup_scenarios.all():
-                    raise ValidationError("The chosen installer does not support the chosen scenario")
         if image.from_lab != lab:
             raise ValidationError("The chosen image is not available at the chosen hosting lab")
         # TODO
@@ -272,23 +265,14 @@ def drop_filter(user):
     that installer is supported on that image
     """
     installer_filter = {}
-    for image in Image.objects.all():
-        installer_filter[image.id] = {}
-        for installer in image.os.sup_installers.all():
-            installer_filter[image.id][installer.id] = 1
-
     scenario_filter = {}
-    for installer in Installer.objects.all():
-        scenario_filter[installer.id] = {}
-        for scenario in installer.sup_scenarios.all():
-            scenario_filter[installer.id][scenario.id] = 1
 
     images = Image.objects.filter(Q(public=True) | Q(owner=user))
     image_filter = {}
     for image in images:
         image_filter[image.id] = {
             'lab': 'lab_' + str(image.from_lab.lab_user.id),
-            'host_profile': str(image.host_type.id),
+            'architecture': str(image.architecture),
             'name': image.name
         }
 
@@ -296,7 +280,7 @@ def drop_filter(user):
     templates = ResourceTemplate.objects.filter(Q(public=True) | Q(owner=user))
     for rt in templates:
         profiles = [conf.profile for conf in rt.getConfigs()]
-        resource_filter["resource_" + str(rt.id)] = [str(p.id) for p in profiles]
+        resource_filter["resource_" + str(rt.id)] = [str(p.architecture) for p in profiles]
 
     return {
         'installer_filter': json.dumps(installer_filter),
diff --git a/src/booking/views.py b/src/booking/views.py
index 2b910e7..ea038dd 100644
--- a/src/booking/views.py
+++ b/src/booking/views.py
@@ -138,7 +138,7 @@ def build_image_mapping(lab, user):
     for profile in ResourceProfile.objects.filter(labs=lab):
         images = Image.objects.filter(
             from_lab=lab,
-            host_type=profile
+            architecture=profile.architecture
         ).filter(
             Q(public=True) | Q(owner=user)
         )
diff --git a/src/resource_inventory/migrations/0018_auto_20210630_1629.py b/src/resource_inventory/migrations/0018_auto_20210630_1629.py
new file mode 100644
index 0000000..8062205
--- /dev/null
+++ b/src/resource_inventory/migrations/0018_auto_20210630_1629.py
@@ -0,0 +1,105 @@
+# Generated by Django 2.2 on 2021-06-30 16:29
+
+from django.db import migrations, models
+import django.db.models.deletion
+from account.models import *
+
+#def set_architectures(apps, schema_editor):
+#    model = apps.get_model('resource_inventory', 'Image')
+#
+#    #while model.objects.filter(architecture='
+#    for obj in model.objects.all():
+#        obj.architecture = 
+
+def set_availability(apps, schema_editor):
+    models = [apps.get_model('resource_inventory', 'Image'), apps.get_model('resource_inventory', 'Opsys')]
+
+    for model in models:
+        for obj in model.objects.all():
+            obj.available = False
+            obj.obsolete = True
+            obj.save()
+
+def set_rconfig_arch(apps, schema_editor):
+    rprofs = apps.get_model('resource_inventory', 'ResourceProfile')
+
+    for rprof in rprofs.objects.all():
+        rprof.architecture = rprof.cpuprofile.first().architecture
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('account', '0009_auto_20210324_2107'),
+        ('resource_inventory', '0017_auto_20201218_1516'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='image',
+            name='host_type',
+        ),
+        migrations.AlterField(
+            model_name='image',
+            name='lab_id',
+            field=models.CharField(default='none (retired)', max_length=100),
+            preserve_default=True,
+        ),
+        migrations.RemoveField(
+            model_name='opsys',
+            name='sup_installers',
+        ),
+
+        migrations.AddField(
+            model_name='image',
+            name='architecture',
+            field=models.CharField(choices=[('x86_64', 'x86_64'), ('aarch64', 'aarch64'), ('unknown', 'unknown')], default='unknown', max_length=50),
+            preserve_default=False,
+        ),
+
+        migrations.AddField(
+            model_name='image',
+            name='available',
+            field=models.BooleanField(default=True),
+        ),
+        migrations.AddField(
+            model_name='image',
+            name='obsolete',
+            field=models.BooleanField(default=False),
+        ),
+
+        migrations.AddField(
+            model_name='opsys',
+            name='available',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AddField(
+            model_name='opsys',
+            name='obsolete',
+            field=models.BooleanField(default=True),
+        ),
+
+        migrations.RunPython(set_availability),
+
+        migrations.AddField(
+            model_name='opsys',
+            name='lab_id',
+            field=models.CharField(default="none (retired)", max_length=100),
+            preserve_default=False,
+        ),
+
+        migrations.AddField(
+            model_name='opsys',
+            name='from_lab',
+            field=models.ForeignKey(default=Lab.objects.first, on_delete=django.db.models.deletion.CASCADE, to='account.Lab'),
+            preserve_default=False,
+        ),
+
+        migrations.AddField(
+            model_name='resourceprofile',
+            name='architecture',
+            field=models.CharField(choices=[('x86_64', 'x86_64'), ('aarch64', 'aarch64'), ('unknown', 'unknown')], default='unknown', max_length=50),
+            preserve_default=False,
+        ),
+
+        migrations.RunPython(set_rconfig_arch),
+    ]
diff --git a/src/resource_inventory/migrations/0019_auto_20210701_1947.py b/src/resource_inventory/migrations/0019_auto_20210701_1947.py
new file mode 100644
index 0000000..e64d174
--- /dev/null
+++ b/src/resource_inventory/migrations/0019_auto_20210701_1947.py
@@ -0,0 +1,43 @@
+# Generated by Django 2.2 on 2021-07-01 19:47
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('resource_inventory', '0018_auto_20210630_1629'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='image',
+            name='lab_id',
+            field=models.CharField(max_length=100),
+        ),
+        migrations.AlterField(
+            model_name='image',
+            name='name',
+            field=models.CharField(max_length=100),
+        ),
+        migrations.AlterField(
+            model_name='network',
+            name='name',
+            field=models.CharField(max_length=200),
+        ),
+        migrations.AlterField(
+            model_name='opsys',
+            name='available',
+            field=models.BooleanField(default=True),
+        ),
+        migrations.AlterField(
+            model_name='opsys',
+            name='obsolete',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AlterField(
+            model_name='resourceprofile',
+            name='architecture',
+            field=models.CharField(choices=[('x86_64', 'x86_64'), ('aarch64', 'aarch64')], max_length=50),
+        ),
+    ]
diff --git a/src/resource_inventory/models.py b/src/resource_inventory/models.py
index 7fe479a..fb4dad5 100644
--- a/src/resource_inventory/models.py
+++ b/src/resource_inventory/models.py
@@ -9,10 +9,12 @@
 ##############################################################################
 
 from django.contrib.auth.models import User
+
 from django.core.exceptions import ValidationError
 from django.db import models
 from django.db.models import Q
 import traceback
+import json
 
 import re
 from collections import Counter
@@ -20,7 +22,6 @@ from collections import Counter
 from account.models import Lab
 from dashboard.utils import AbstractModelQuery
 
-
 """
 Profiles of resources hosted by labs.
 
@@ -33,6 +34,10 @@ Profile models (e.g. an x86 server profile and armv8 server profile.
 class ResourceProfile(models.Model):
     id = models.AutoField(primary_key=True)
     name = models.CharField(max_length=200, unique=True)
+    architecture = models.CharField(max_length=50, choices=[
+        ("x86_64", "x86_64"),
+        ("aarch64", "aarch64")
+    ])
     description = models.TextField()
     labs = models.ManyToManyField(Lab, related_name="resourceprofiles")
 
@@ -369,10 +374,43 @@ class Server(Resource):
         return isinstance(other, Server) and other.name == self.name
 
 
+def is_serializable(data):
+    try:
+        json.dumps(data)
+        return True
+    except:
+        return False
+
+
 class Opsys(models.Model):
     id = models.AutoField(primary_key=True)
     name = models.CharField(max_length=100)
-    sup_installers = models.ManyToManyField("Installer", blank=True)
+    lab_id = models.CharField(max_length=100)
+    obsolete = models.BooleanField(default=False)
+    available = models.BooleanField(default=True) # marked true by Cobbler if it exists there
+    from_lab = models.ForeignKey(Lab, on_delete=models.CASCADE)
+
+    indexes = [
+        models.Index(fields=['cobbler_id'])
+    ]
+
+    def new_from_data(data):
+        opsys = Opsys()
+        opsys.update(data)
+        return opsys
+
+    def serialize(self):
+        d = {}
+        for field in vars(self):
+            attr = getattr(self, field)
+            if is_serializable(attr):
+                d[field] = attr
+        return d
+
+    def update(self, data):
+        for field in vars(self):
+            if field in data:
+                setattr(self, field, data[field] if data[field] else getattr(self, field))
 
     def __str__(self):
         return self.name
@@ -382,18 +420,51 @@ class Image(models.Model):
     """Model for representing OS images / snapshots of hosts."""
 
     id = models.AutoField(primary_key=True)
-    lab_id = models.IntegerField()  # ID the lab who holds this image knows
     from_lab = models.ForeignKey(Lab, on_delete=models.CASCADE)
-    name = models.CharField(max_length=200)
+    architecture = models.CharField(max_length=50, choices=[
+        ("x86_64", "x86_64"),
+        ("aarch64", "aarch64"),
+        ("unknown", "unknown"),
+    ])
+    lab_id = models.CharField(max_length=100)
+    name = models.CharField(max_length=100)
     owner = models.ForeignKey(User, null=True, on_delete=models.SET_NULL)
     public = models.BooleanField(default=True)
-    host_type = models.ForeignKey(ResourceProfile, on_delete=models.CASCADE)
     description = models.TextField()
     os = models.ForeignKey(Opsys, null=True, on_delete=models.CASCADE)
+    
+    available = models.BooleanField(default=True) # marked True by cobbler if it exists there
+    obsolete = models.BooleanField(default=False)
+
+    indexes = [
+        models.Index(fields=['architecture']),
+        models.Index(fields=['cobbler_id'])
+    ]
 
     def __str__(self):
         return self.name
 
+    def is_obsolete(self):
+        return self.obsolete or self.os.obsolete
+
+    def serialize(self):
+        d = {}
+        for field in vars(self):
+            attr = getattr(self, field)
+            if is_serializable(attr):
+                d[field] = attr
+        return d
+
+    def update(self, data):
+        for field in vars(self):
+            if field in data:
+                setattr(self, field, data[field] if data[field] else getattr(self, field))
+
+    def new_from_data(data):
+        img = Image()
+        img.update(data)
+        return img
+
     def in_use(self):
         for resource in ResourceQuery.filter(config__image=self):
             if resource.is_reserved():
@@ -409,7 +480,7 @@ Networking configuration models
 
 class Network(models.Model):
     id = models.AutoField(primary_key=True)
-    name = models.CharField(max_length=100)
+    name = models.CharField(max_length=200)
     bundle = models.ForeignKey(ResourceTemplate, on_delete=models.CASCADE, related_name="networks")
     is_public = models.BooleanField()
 
diff --git a/src/resource_inventory/tests/test_models.py b/src/resource_inventory/tests/test_models.py
index e1b2106..3f2d1d8 100644
--- a/src/resource_inventory/tests/test_models.py
+++ b/src/resource_inventory/tests/test_models.py
@@ -80,7 +80,7 @@ class ConfigUtil():
         )
 
         return Image.objects.create(
-            lab_id=0,
+            cobbler_id="profile1",
             from_lab=lab,
             name="an image for testing",
             owner=owner
diff --git a/src/templates/base/booking/quick_deploy.html b/src/templates/base/booking/quick_deploy.html
index 5dc41e2..1193aab 100644
--- a/src/templates/base/booking/quick_deploy.html
+++ b/src/templates/base/booking/quick_deploy.html
@@ -88,15 +88,22 @@
     function imageFilter() {
         var drop = document.getElementById("id_image");
         var lab_pk = get_selected_value("lab");
-        var host_pk = get_selected_value("resource");
+        var profile_pk = get_selected_value("resource");
 
         for (const childNode of drop.childNodes) {
             var image_object = sup_image_dict[childNode.value];
             if (image_object) //weed out empty option
             {
+                console.log("image object:");
+                console.log(image_object);
                 const img_at_lab = image_object.lab == lab_pk;
-                const profiles = resource_profile_map[host_pk];
-                const img_in_template = profiles && profiles.indexOf(image_object.host_profile) > -1
+                const profiles = resource_profile_map[profile_pk];
+                console.log("profiles are:");
+                console.log(profiles);
+                console.log("profile map is:");
+                console.log(resource_profile_map);
+                console.log("host profile is" + image_object.architecture);
+                const img_in_template = profiles && profiles.indexOf(image_object.architecture) > -1
                 childNode.disabled = !img_at_lab || !img_in_template;
             }
         }
diff --git a/src/workflow/resource_bundle_workflow.py b/src/workflow/resource_bundle_workflow.py
index 63a9519..a461e9a 100644
--- a/src/workflow/resource_bundle_workflow.py
+++ b/src/workflow/resource_bundle_workflow.py
@@ -196,7 +196,7 @@ class Define_Software(WorkflowStep):
         for i, host_data in enumerate(hosts_data):
             host = ResourceConfiguration.objects.get(pk=host_data['host_id'])
             wrong_owner = Image.objects.exclude(owner=user).exclude(public=True)
-            wrong_host = Image.objects.exclude(host_type=host.profile)
+            wrong_host = Image.objects.exclude(architecture=host.profile.architecture)
             wrong_lab = Image.objects.exclude(from_lab=lab)
             excluded_images = wrong_owner | wrong_host | wrong_lab
             filter_data.append([])