Support delete Qemu disk image from API

Return the real disk image name in the 'hdx_disk_image_backed' property for Qemu VMs

tests/api/routes/compute/test_qemu_nodes.py

@@ -671,6 +671,45 @@ async def test_qemu_update_disk_image(
         )
 
 
+async def test_qemu_delete_disk_image(
+        app: FastAPI,
+        compute_client: AsyncClient,
+        compute_project: Project,
+        qemu_vm: dict,
+) -> None:
+
+    node = compute_project.get_node(qemu_vm["node_id"])
+    shutil.copy("tests/resources/empty8G.qcow2", os.path.join(node.working_dir, "disk.qcow2"))
+
+    response = await compute_client.delete(
+        app.url_path_for(
+            "compute:delete_qemu_disk_image",
+            project_id=qemu_vm["project_id"],
+            node_id=qemu_vm["node_id"],
+            disk_name="disk.qcow2"
+        )
+    )
+    assert response.status_code == status.HTTP_204_NO_CONTENT
+
+
+async def test_qemu_delete_disk_image_missing_image(
+        app: FastAPI,
+        compute_client: AsyncClient,
+        compute_project: Project,
+        qemu_vm: dict,
+) -> None:
+
+    response = await compute_client.delete(
+        app.url_path_for(
+            "compute:delete_qemu_disk_image",
+            project_id=qemu_vm["project_id"],
+            node_id=qemu_vm["node_id"],
+            disk_name="unknown_image.qcow2"
+        )
+    )
+    assert response.status_code == status.HTTP_409_CONFLICT
+
+
 @pytest.mark.asyncio
 async def test_qemu_start_capture(app: FastAPI, compute_client: AsyncClient, qemu_vm: dict):
 

tests/api/routes/controller/test_nodes.py

@@ -346,6 +346,38 @@ async def test_qemu_disk_image_update_wrong_node_type(
     assert response.status_code == status.HTTP_400_BAD_REQUEST
 
 
+async def test_qemu_disk_image_delete(
+        app: FastAPI,
+        client: AsyncClient,
+        project: Project,
+        compute: Compute,
+        node: Node
+) -> None:
+
+    response = MagicMock()
+    compute.delete = AsyncioMagicMock(return_value=response)
+
+    node._node_type = "qemu"  # force Qemu node type
+    response = await client.delete(
+        app.url_path_for("delete_disk_image", project_id=project.id, node_id=node.id, disk_name="hda_disk.qcow2")
+    )
+    assert response.status_code == status.HTTP_204_NO_CONTENT
+
+
+async def test_qemu_disk_image_delete_wrong_node_type(
+        app: FastAPI,
+        client: AsyncClient,
+        project: Project,
+        compute: Compute,
+        node: Node
+) -> None:
+
+    response = await client.delete(
+        app.url_path_for("delete_disk_image", project_id=project.id, node_id=node.id, disk_name="hda_disk.qcow2")
+    )
+    assert response.status_code == status.HTTP_400_BAD_REQUEST
+
+
 async def test_get_file(app: FastAPI, client: AsyncClient, project: Project, compute: Compute, node: Node) -> None:
 
     response = MagicMock()

tests/compute/qemu/test_qemu_vm.py

@@ -94,20 +94,18 @@ async def test_vm(compute_project, manager, fake_qemu_binary):
 
 
 @pytest.mark.asyncio
-async def test_vm_create(tmpdir, compute_project, manager, fake_qemu_binary):
-
-    fake_img = str(tmpdir / 'hello')
-
-    with open(fake_img, 'w+') as f:
-        f.write('hello')
+async def test_vm_create(compute_project, manager, fake_qemu_binary):
 
     vm = QemuVM("test", "00010203-0405-0607-0809-0a0b0c0d0e0f", compute_project, manager, qemu_path=fake_qemu_binary)
+    fake_img = os.path.join(vm.working_dir, 'hello')
+    with open(fake_img, 'w+') as f:
+        f.write('hello')
     vm._hda_disk_image = fake_img
 
     await vm.create()
 
     # tests if `create` created md5sums
-    assert os.path.exists(str(tmpdir / 'hello.md5sum'))
+    assert os.path.exists(os.path.join(vm.working_dir, 'hello.md5sum'))
 
 
 @pytest.mark.asyncio