Added Repository Quota setting

README.md

@@ -134,3 +134,7 @@ Django debug setting.
 ### MARKDOWN_PAGE_DIR
 
 `MARKDOWN_PAGE_DIR` is the directory where customized markdown files are put. This directory is required.
+
+### BACKUP_MANAGE_PY
+
+`BACKUP_MANAGE_PY` is the command to run the `manage.py` file, including e.g. a Python interpreter, venv, etc. This must be a `pathlib.Path`

community_backup/community_backup/example_configuration.py

@@ -21,3 +21,4 @@ SECRET_KEY = "change me!"
 # DEBUG = True
 
 MARKDOWN_PAGE_DIR = Path("./custom_md/")
+BACKUP_MANAGE_PY = Path("/path/to/venv/bin/python /path/to/community_backup/manage.py")

community_backup/community_backup/settings.py

@@ -131,6 +131,7 @@ try:
         "The BACKUP_AUTHORIZED_KEYS setting is required."
     )
     assert module.MARKDOWN_PAGE_DIR, "The MARKDOWN_PAGE_DIR setting is required."
+    assert module.BACKUP_MANAGE_PY, "The BACKUP_MANAGE_PY setting is required"
 
 except ModuleNotFoundError:
     print(f"could not find configuration file {config_module}")
@@ -144,5 +145,6 @@ BACKUP_AUTHORIZED_KEYS = module.BACKUP_AUTHORIZED_KEYS
 DATABASES = module.DATABASES
 SECRET_KEY = module.SECRET_KEY
 MARKDOWN_PAGE_DIR = module.MARKDOWN_PAGE_DIR
+BACKUP_MANAGE_PY = module.BACKUP_MANAGE_PY
 
 DEBUG = getattr(module, "DEBUG", False)

community_backup/webui/deployments.py

@@ -34,8 +34,10 @@ def sync_repos(dry_run=False):
     commands = []
     for key, repositories in repos_by_key.items():
         repo_paths = [f"--restrict-to-repository {repo.path}" for repo in repositories]
+        quota = max(repo.quota for repo in repositories)
+        ids = [str(repo.id) for repo in repositories]
         commands.append(
-            f"""command="cd {str(settings.BACKUP_BORG_DIR)}; borg serve {" ".join(repo_paths)} --storage-quota=500G",restrict {key}"""
+            f"""command="cd {str(settings.BACKUP_BORG_DIR)}; borg serve {" ".join(repo_paths)} --storage-quota={quota}G;{settings.BACKUP_MANAGE_PY} update_used_quota --repository-id {" ".join(ids)}",restrict {key}"""
         )
 
     if not dry_run:

community_backup/webui/management/commands/update_used_quota.py

@@ -0,0 +1,28 @@
+from django.core.management.base import BaseCommand
+from ...models import BorgRepository
+
+
+class Command(BaseCommand):
+    help = "Update the used quota values"
+
+    def add_arguments(self, parser):
+        parser.add_argument("--user-id", type=int)
+        parser.add_argument("--repository-id", type=int, nargs="+")
+
+    def handle(self, *args, **options):
+        print(options)
+
+        qs = BorgRepository.objects.all()
+
+        if options.get("user_id"):
+            qs = qs.filter(user__pk=options.get("user_id"))
+
+        if options.get("repository_id"):
+            qs = qs.filter(pk__in=options.get("repository_id"))
+
+        print(qs)
+
+        for repo in qs:
+            repo.refresh_quota()
+
+        BorgRepository.objects.bulk_update(qs, ["used_quota"])

community_backup/webui/migrations/0006_borgrepository_quota_borgrepository_used_quota.py

@@ -0,0 +1,23 @@
+# Generated by Django 6.0.3 on 2026-04-20 15:36
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("webui", "0005_alter_borgrepository_key"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="borgrepository",
+            name="quota",
+            field=models.IntegerField(default=500),
+        ),
+        migrations.AddField(
+            model_name="borgrepository",
+            name="used_quota",
+            field=models.IntegerField(default=0),
+        ),
+    ]

community_backup/webui/migrations/0007_alter_borgrepository_used_quota.py

@@ -0,0 +1,18 @@
+# Generated by Django 6.0.3 on 2026-04-20 17:02
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("webui", "0006_borgrepository_quota_borgrepository_used_quota"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="borgrepository",
+            name="used_quota",
+            field=models.IntegerField(default=-1),
+        ),
+    ]

community_backup/webui/models.py

@@ -3,6 +3,7 @@ from django.contrib.auth.models import User
 from django.core.validators import RegexValidator
 from django.conf import settings
 from pathlib import Path
+import msgpack
 
 
 from .tasks import update_user
@@ -28,6 +29,9 @@ class BorgRepository(models.Model):
     )
     user = models.ForeignKey(User, on_delete=models.CASCADE)
 
+    quota = models.IntegerField(default=500)
+    used_quota = models.IntegerField(default=-1)
+
     class Meta:
         constraints = [
             models.UniqueConstraint(
@@ -95,6 +99,21 @@ class BorgRepository(models.Model):
 
         return output
 
+    def refresh_quota(self):
+        hints_files = self.path.glob("hints.*")
+
+        try:
+            hint = next(hints_files)
+            data = hint.open(mode="rb").read()
+
+            unpacked = msgpack.unpackb(data, strict_map_key=False, raw=True)
+            quota_used = unpacked[b"storage_quota_use"]
+
+            self.used_quota = int(quota_used / 10**9)
+        except StopIteration:
+            # No hints file found, therefore the repo is probably not initialized
+            self.used_quota = -1
+
 
 class Voucher(models.Model):
     used = models.BooleanField(default=False)

community_backup/webui/templates/borg_list.html

@@ -18,6 +18,7 @@
     <th>Name</th>
     <th>Key</th>
     <th>Repo-URL</th>
+    <th>Quota (used/total)</th>
     <th></th>
   </thead>
   <tbody>
@@ -26,6 +27,7 @@
       <td>{{ repo.name }}</td>
       <td><code>{{ repo.truncated_key }}</code></td>
       <td><code>{{ repo.repo_url }}</code></td>
+      <td>{% if repo.used_quota < 0 %}not initialized{% else %}{{ repo.used_quota }}/{{ repo.quota }} GB{% endif %}</td>
       <td><a href="{% url 'borg_update' pk=repo.pk %}" class="btn btn-warning btn-sm">Edit</a>
       <a href="{% url 'borg_delete' pk=repo.pk %}" class="btn btn-danger btn-sm">Delete</a></td>
     </tr>

pyproject.toml

@@ -10,4 +10,5 @@ dependencies = [
     "django-crispy-forms>=2.6",
     "gunicorn>=25.3.0",
     "markdown2>=2.5.5",
+    "msgpack>=1.1.2",
 ]