Link tasks to their restarts

Closes #1711 (closed)

arkindex/ponos/migrations/0008_agent_mode.py

+# Generated by Django 4.1.7 on 2024-04-29 08:59
+
+import django.core.validators
+import enumfields.fields
+from django.db import migrations, models
+
+import arkindex.ponos.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("ponos", "0007_remove_task_has_docker_socket"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="agent",
+            name="mode",
+            field=enumfields.fields.EnumField(default="docker", enum=arkindex.ponos.models.AgentMode, max_length=20),
+        ),
+        migrations.AlterField(
+            model_name="agent",
+            name="cpu_cores",
+            field=models.PositiveSmallIntegerField(blank=True, null=True, validators=[django.core.validators.MinValueValidator(1)]),
+        ),
+        migrations.AlterField(
+            model_name="agent",
+            name="cpu_frequency",
+            field=models.BigIntegerField(blank=True, null=True, validators=[django.core.validators.MinValueValidator(1)]),
+        ),
+        migrations.AlterField(
+            model_name="agent",
+            name="ram_total",
+            field=models.BigIntegerField(blank=True, null=True, validators=[django.core.validators.MinValueValidator(1)]),
+        ),
+        migrations.AddConstraint(
+            model_name="agent",
+            constraint=models.CheckConstraint(check=models.Q(("mode", arkindex.ponos.models.AgentMode["Slurm"]), models.Q(("cpu_cores__isnull", False), ("cpu_frequency__isnull", False), ("ram_total__isnull", False)), _connector="OR"), name="slurm_or_hardware_requirements"),
+        ),
+    ]