Merge pull request #321 from mikicz/ignore-missing-schemas

Raising an exception when a schema is missing, added an option to migrate_schemas to ignore this error

docs/use.rst

@@ -87,6 +87,8 @@ The options given to ``migrate_schemas`` are also passed to every ``migrate``. H
 
     ./manage.py migrate_schemas --list
 
+``migrate_schemas`` raises an exception when an tenant schema is missing.
+
 tenant_command
 ~~~~~~~~~~~~~~
 

tenant_schemas/management/commands/migrate_schemas.py

@@ -3,6 +3,7 @@
 from django.conf import settings
 from django.core.management.commands.migrate import Command as MigrateCommand
 from django.db import connection
+from django.db.migrations.exceptions import MigrationSchemaMissing
 
 
 from tenant_schemas.management.commands import SyncCommon
@@ -37,7 +38,7 @@ def handle(self, *args, **options):
         if self.sync_tenant:
             if self.schema_name and self.schema_name != self.PUBLIC_SCHEMA_NAME:
                 if not schema_exists(self.schema_name):
-                    raise RuntimeError('Schema "{}" does not exist'.format(
+                    raise MigrationSchemaMissing('Schema "{}" does not exist'.format(
                         self.schema_name))
                 else:
                     self.run_migrations(self.schema_name, settings.TENANT_APPS)
@@ -49,6 +50,11 @@ def handle(self, *args, **options):
     def run_migrations(self, schema_name, included_apps):
         if int(self.options.get('verbosity', 1)) >= 1:
             self._notice("=== Running migrate for schema %s" % schema_name)
+
+        if not schema_exists(schema_name):
+            raise MigrationSchemaMissing('Schema "{}" does not exist'.format(
+                schema_name))
+
         connection.set_schema(schema_name)
         command = MigrateCommand()
         command.execute(*self.args, **self.options)