TT#15305 build: provide end point to delete latest build of release-trunk-{distribution}

* /build/release-trunk-{version}/ DELETE

when we trigger the deletion of the repository, we should remove the
non-finised instance of it, so we can later create another one

Change-Id: Ie7e96aebfbe719dee4a9c6e1da25be08e6a38ab7

build/test/test_rest.py

@@ -14,9 +14,11 @@
 # with this program.  If not, see <http://www.gnu.org/licenses/>.
 from django.test import override_settings
 from django.urls import reverse
+from django.urls.exceptions import NoReverseMatch
 from rest_framework import status
 from rest_framework.test import APISimpleTestCase
 
+from .test_models import set_build_done
 from build import models
 from repoapi.test.base import APIAuthenticatedTestCase
 
@@ -241,3 +243,36 @@ class TestCheckConfig(APISimpleTestCase):
         self.data["jenkins-jobs"]["build_deps"] = {"A": ["A1", "A"]}
         response = self.client.post(self.url, self.data, format="json")
         self.assertEqual(response.status_code, status.HTTP_406_NOT_ACCEPTABLE)
+
+
+@override_settings(JBI_ALLOWED_HOSTS=["fake.local"])
+class TestTrunkCleanup(APIAuthenticatedTestCase):
+    fixtures = ["test_weekly"]
+
+    def test_mrXX(self):
+        with self.assertRaises(NoReverseMatch):
+            reverse("build:trunk-cleanup", args=["mr10.1"])
+
+    def test_none(self):
+        url = reverse("build:trunk-cleanup", args=["release-trunk-wheezy"])
+        response = self.client.delete(url, {}, format="json")
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+    def test_weekly_not_done(self):
+        qs = models.BuildRelease.objects.filter(release="release-trunk-weekly")
+        self.assertEqual(qs.count(), 1)
+        self.assertFalse(qs.first().done)
+        url = reverse("build:trunk-cleanup", args=["release-trunk-weekly"])
+        response = self.client.delete(url, {}, format="json")
+        self.assertEqual(response.status_code, status.HTTP_202_ACCEPTED)
+        self.assertEqual(qs.count(), 0)
+
+    def test_weekly_done(self):
+        qs = models.BuildRelease.objects.filter(release="release-trunk-weekly")
+        self.assertEqual(qs.count(), 1)
+        set_build_done(qs)
+        self.assertTrue(qs.first().done)
+        url = reverse("build:trunk-cleanup", args=["release-trunk-weekly"])
+        response = self.client.delete(url, {}, format="json")
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(qs.count(), 1)

build/urls.py

@@ -19,6 +19,11 @@ from . import views
 app_name = "build"
 urlpatterns = [
     re_path(r"^$", views.BuildReleaseList.as_view(), name="list"),
+    re_path(
+        r"^(?P<version>release-trunk-[^/]+)/$",
+        views.BuildReleaseCleanup.as_view(),
+        name="trunk-cleanup",
+    ),
     re_path(
         r"^(?P<pk>[0-9]+)/?$",
         views.BuildReleaseDetail.as_view(),

build/views.py

@@ -13,6 +13,7 @@
 # You should have received a copy of the GNU General Public License along
 # with this program.  If not, see <http://www.gnu.org/licenses/>.
 import django_filters
+from django.forms.models import model_to_dict
 from django.http import JsonResponse
 from django.shortcuts import get_object_or_404
 from rest_framework import generics
@@ -46,6 +47,25 @@ class BuildReleaseList(generics.ListCreateAPIView):
     filter_class = BuildReleaseFilter
 
 
+class BuildReleaseCleanup(APIView):
+    permission_classes = [HasAPIKey | DjangoModelPermissions]
+
+    def delete(self, request, version, format=None):
+        if not version.startswith("release-trunk-"):
+            return JsonResponse(
+                {"error": f"{version} can not be removed"}, status=403
+            )
+        qs = models.BuildRelease.objects.filter(release=version).order_by(
+            "-start_date"
+        )
+        build = qs.first()
+        if not build or build.done:
+            return JsonResponse({}, status=200)
+        res = model_to_dict(build)
+        qs.delete()
+        return JsonResponse(res, status=202)
+
+
 class BuildReleaseDetail(generics.RetrieveDestroyAPIView):
     permission_classes = [HasAPIKey | DjangoModelPermissions]
     queryset = models.BuildRelease.objects.all().order_by("id")