add mongodb support, and sqlite restore path (config option only)

borgmatic/config/schema.yaml

@@ -952,16 +952,33 @@ properties:
                                 Database hostname to connect to. Defaults to
                                 connecting via local Unix socket.
                             example: database.example.org
+                        restore_hostname:
+                            type: string
+                            description: |
+                                Database hostname to restore to. Defaults to
+                                the "hostname" option.
+                            example: database.example.org
                         port:
                             type: integer
                             description: Port to connect to. Defaults to 3306.
                             example: 3307
+                        restore_port:
+                            type: integer
+                            description: Port to restore to. Defaults to the
+                                "port" option.
+                            example: 5433
                         username:
                             type: string
                             description: |
                                 Username with which to connect to the database.
                                 Defaults to the username of the current user.
                             example: dbuser
+                        restore_username:
+                            type: string
+                            description: |
+                                Username with which to restore the database.
+                                Defaults to the "username" option.
+                            example: dbuser                        
                         password:
                             type: string
                             description: |
@@ -970,6 +987,12 @@ properties:
                                 configured to trust the configured username
                                 without a password.
                             example: trustsome1
+                        restore_password:
+                            type: string
+                            description: |
+                                Password with which to connect to the restore
+                                database. Defaults to the "password" option.
+                            example: trustsome1                        
                         format:
                             type: string
                             enum: ['sql']
@@ -1047,6 +1070,12 @@ properties:
                                 read_special and one_file_system (see above) to
                                 support dump and restore streaming.
                             example: /var/lib/sqlite/users.db
+                        restore_path:
+                            type: string
+                            description: |
+                                Path to the SQLite database file to restore to.
+                                Defaults to the "path" option.
+                            example: /var/lib/sqlite/users.db
             mongodb_databases:
                 type: array
                 items:
@@ -1069,22 +1098,45 @@ properties:
                                 Database hostname to connect to. Defaults to
                                 connecting to localhost.
                             example: database.example.org
+                        restore_hostname:
+                            type: string
+                            description: |
+                                Database hostname to restore to. Defaults to
+                                the "hostname" option.
+                            example: database.example.org                        
                         port:
                             type: integer
                             description: Port to connect to. Defaults to 27017.
                             example: 27018
+                        restore_port:
+                            type: integer
+                            description: Port to restore to. Defaults to the
+                                "port" option.
+                            example: 5433                        
                         username:
                             type: string
                             description: |
                                 Username with which to connect to the database.
                                 Skip it if no authentication is needed.
                             example: dbuser
+                        restore_username:
+                            type: string
+                            description: |
+                                Username with which to restore the database.
+                                Defaults to the "username" option.
+                            example: dbuser                        
                         password:
                             type: string
                             description: |
                                 Password with which to connect to the database.
                                 Skip it if no authentication is needed.
                             example: trustsome1
+                        restore_password:
+                            type: string
+                            description: |
+                                Password with which to connect to the restore
+                                database. Defaults to the "password" option.
+                            example: trustsome1
                         authentication_database:
                             type: string
                             description: |

borgmatic/hooks/mongodb.py

@@ -102,7 +102,7 @@ def make_database_dump_pattern(
     return dump.make_database_dump_filename(make_dump_path(location_config), name, hostname='*')
 
 
-def restore_database_dump(database_config, log_prefix, location_config, dry_run, extract_process):
+def restore_database_dump(database_config, log_prefix, location_config, dry_run, extract_process, connection_params):
     '''
     Restore the given MongoDB database from an extract stream. The database is supplied as a
     one-element sequence containing a dict describing the database, as per the configuration schema.
@@ -122,7 +122,7 @@ def restore_database_dump(database_config, log_prefix, location_config, dry_run,
     dump_filename = dump.make_database_dump_filename(
         make_dump_path(location_config), database['name'], database.get('hostname')
     )
-    restore_command = build_restore_command(extract_process, database, dump_filename)
+    restore_command = build_restore_command(extract_process, database, dump_filename, connection_params)
 
     logger.debug(f"{log_prefix}: Restoring MongoDB database {database['name']}{dry_run_label}")
     if dry_run:
@@ -138,10 +138,15 @@ def restore_database_dump(database_config, log_prefix, location_config, dry_run,
     )
 
 
-def build_restore_command(extract_process, database, dump_filename):
+def build_restore_command(extract_process, database, dump_filename, connection_params):
     '''
     Return the mongorestore command from a single database configuration.
     '''
+    hostname = connection_params['hostname'] or database.get('restore_hostname', database.get('hostname'))
+    port = str(connection_params['port'] or database.get('restore_port', database.get('port')))
+    username = connection_params['username'] or database.get('restore_username', database.get('username'))
+    password = connection_params['password'] or database.get('restore_password', database.get('password'))
+
     command = ['mongorestore']
     if extract_process:
         command.append('--archive')
@@ -149,14 +154,14 @@ def build_restore_command(extract_process, database, dump_filename):
         command.extend(('--dir', dump_filename))
     if database['name'] != 'all':
         command.extend(('--drop', '--db', database['name']))
-    if 'hostname' in database:
-        command.extend(('--host', database['hostname']))
-    if 'port' in database:
-        command.extend(('--port', str(database['port'])))
-    if 'username' in database:
-        command.extend(('--username', database['username']))
-    if 'password' in database:
-        command.extend(('--password', database['password']))
+    if hostname:
+        command.extend(('--host', hostname))
+    if port:
+        command.extend(('--port', str(port)))
+    if username:
+        command.extend(('--username', username))
+    if password:
+        command.extend(('--password', password))
     if 'authentication_database' in database:
         command.extend(('--authenticationDatabase', database['authentication_database']))
     if 'restore_options' in database: