feat: share images between backends (#708)

Signed-off-by: SdgJlbl <[email protected]>

backend/builder/image_builder/image_builder.py

@@ -122,7 +122,6 @@ def _get_entrypoint_from_dockerfile(dockerfile_dir: str) -> list[str]:
     raise BuildError("Invalid Dockerfile: Cannot find ENTRYPOINT")
 
 
-
 def _delete_kaniko_pod(create_pod: bool, k8s_client: kubernetes.client.CoreV1Api, pod_name: str) -> str:
     logs = ""
     if create_pod:

backend/substrapp/migrations/0015_alter_computetaskfailurereport_logs.py

@@ -0,0 +1,25 @@
+# Generated by Django 4.1.7 on 2023-08-10 08:43
+
+from django.db import migrations
+from django.db import models
+
+import substrapp.models.compute_task_failure_report
+import substrapp.storages.minio
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("substrapp", "0014_rename_algo_to_function"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="computetaskfailurereport",
+            name="logs",
+            field=models.FileField(
+                max_length=36,
+                storage=substrapp.storages.minio.MinioStorage("substra-compute-task-logs"),
+                upload_to=substrapp.models.compute_task_failure_report._upload_to,
+            ),
+        ),
+    ]

backend/substrapp/migrations/0016_add_functionimage.py

@@ -0,0 +1,37 @@
+# Generated by Django 4.1.7 on 2023-08-11 11:30
+
+import django.db.models.deletion
+from django.db import migrations
+from django.db import models
+
+import substrapp.models.datamanager
+import substrapp.models.function
+import substrapp.storages.minio
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("substrapp", "0015_alter_computetaskfailurereport_logs"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="FunctionImage",
+            fields=[
+                ("id", models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
+                (
+                    "file",
+                    models.FileField(
+                        max_length=500,
+                        storage=substrapp.storages.minio.MinioStorage("substra-function"),
+                        upload_to=substrapp.models.function.upload_to_function,
+                    ),
+                ),
+                ("checksum", models.CharField(blank=True, max_length=64)),
+                (
+                    "function",
+                    models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, to="substrapp.function"),
+                ),
+            ],
+        ),
+    ]

backend/substrapp/serializers/function.py

@@ -2,6 +2,7 @@
 
 from libs.serializers import DynamicFieldsModelSerializer
 from substrapp.models import Function
+from substrapp.models import FunctionImage
 from substrapp.serializers.utils import FileSizeValidator
 from substrapp.serializers.utils import FileValidator