Add db an media backups (#3783)

* [FR] Add backup into inventrees lifecycle
Fixes #3778

* Add env to testing enviros

* block backup from running app commands

* Add more commands

* fix postgres version

* Update used env

* add daily task to run backups

* add installer changes

InvenTree/InvenTree/apps.py

@@ -117,6 +117,12 @@ class InvenTreeConfig(AppConfig):
             schedule_type=Schedule.DAILY
         )
 
+        # Make regular backups
+        InvenTree.tasks.schedule_task(
+            'InvenTree.tasks.run_backup',
+            schedule_type=Schedule.DAILY,
+        )
+
     def update_exchange_rates(self):  # pragma: no cover
         """Update exchange rates each time the server is started.
 

InvenTree/InvenTree/config.py

@@ -160,6 +160,22 @@ def get_static_dir(create=True):
     return sd
 
 
+def get_backup_dir(create=True):
+    """Return the absolute path for the backup directory"""
+
+    bd = get_setting('INVENTREE_BACKUP_DIR', 'backup_dir')
+
+    if not bd:
+        raise FileNotFoundError('INVENTREE_BACKUP_DIR not specified')
+
+    bd = Path(bd).resolve()
+
+    if create:
+        bd.mkdir(parents=True, exist_ok=True)
+
+    return bd
+
+
 def get_plugin_file():
     """Returns the path of the InvenTree plugins specification file.
 

InvenTree/InvenTree/ready.py

@@ -35,6 +35,12 @@ def canAppAccessDatabase(allow_test: bool = False, allow_plugins: bool = False):
         'collectstatic',
         'makemessages',
         'compilemessages',
+        'backup',
+        'dbbackup',
+        'mediabackup',
+        'restore',
+        'dbrestore',
+        'mediarestore',
     ]
 
     if not allow_test:

InvenTree/InvenTree/settings.py

@@ -131,6 +131,11 @@ STATIC_COLOR_THEMES_DIR = STATIC_ROOT.joinpath('css', 'color-themes').resolve()
 # Web URL endpoint for served media files
 MEDIA_URL = '/media/'
 
+# Backup directories
+DBBACKUP_STORAGE = 'django.core.files.storage.FileSystemStorage'
+DBBACKUP_STORAGE_OPTIONS = {'location': config.get_backup_dir()}
+DBBACKUP_SEND_EMAIL = False
+
 # Application definition
 
 INSTALLED_APPS = [
@@ -176,6 +181,7 @@ INSTALLED_APPS = [
     'error_report',                         # Error reporting in the admin interface
     'django_q',
     'formtools',                            # Form wizard tools
+    'dbbackup',                             # Backups - django-dbbackup
 
     'allauth',                              # Base app for SSO
     'allauth.account',                      # Extend user with accounts

InvenTree/InvenTree/tasks.py

@@ -9,6 +9,7 @@ from datetime import timedelta
 from django.conf import settings
 from django.core import mail as django_mail
 from django.core.exceptions import AppRegistryNotReady
+from django.core.management import call_command
 from django.db.utils import OperationalError, ProgrammingError
 from django.utils import timezone
 
@@ -272,6 +273,12 @@ def update_exchange_rates():
         logger.error(f"Error updating exchange rates: {e}")
 
 
+def run_backup():
+    """Run the backup command."""
+    call_command("dbbackup", noinput=True, clean=True, compress=True, interactive=False)
+    call_command("mediabackup", noinput=True, clean=True, compress=True, interactive=False)
+
+
 def send_email(subject, body, recipients, from_email=None, html_message=None):
     """Send an email with the specified subject and body, to the specified recipients list."""
     if type(recipients) == str:

InvenTree/config_template.yaml

@@ -142,6 +142,9 @@ cors:
 # STATIC_ROOT is the local filesystem location for storing static files
 #static_root: '/home/inventree/data/static'
 
+# BACKUP_DIR is the local filesystem location for storing backups
+#backup_dir: '/home/inventree/data/backup'
+
 # Background worker options
 background:
   workers: 4