add debug connection

app/backup.py

@@ -37,12 +37,16 @@ def read_device_list() -> dict[str, dict[str, str]]:
 
 
 def connect_to_device(vendor: str, host: str, name: str="") -> ConnectHandler:
+    log_dir: str = os.path.join(os.path.abspath(os.path.dirname(__file__)), "logs")
+
     conn_conf: dict = {
         "host": host,
         "username": cfg.net_dev.user,
         "password": cfg.net_dev.pwd,
         "port": cfg.net_dev.ssh_port,
     }
+    if cfg.net_dev.debug:
+        conn_conf["session_log"] = os.path.join(log_dir, 'session_log.log')
     if vendor.lower() == "mikrotik":
         conn_conf["device_type"] = "mikrotik_routeros"
         if cfg.net_dev.domain is not None:
@@ -72,8 +76,10 @@ def connect_to_device(vendor: str, host: str, name: str="") -> ConnectHandler:
 
 
 def send_command(connection: ConnectHandler, command: str) -> str:
+    log.info("send command")
     try:
         result: str = connection.send_command(command, read_timeout=cfg.net_dev.read_timeout)
+        log.info('command send success')
     except exceptions.NetmikoTimeoutException:
         result = "NetmikoTimeoutException"
     except exceptions.ReadTimeout:
@@ -92,13 +98,14 @@ def save_mikrotik_bcp(host: str, name: str) -> None:
         return
     result = send_command(connection, "export terse show-sensitive")
     connection.disconnect()
+    log.info("disconnected from %r", name)
     if result == "NetmikoTimeoutException":
         log.warning("Timeout error %r", name)
         return
     elif result == "ReadTimeout":
         log.warning("Timeout read config from %r", name)
         return
-    log.info("disconnected from %r", name)
+
     result = "\n".join(result.split("\n")[1:])
     with open(os.path.join(cfg.bcp.dir, name), "w") as f:
         f.write(result)

app/config.py

@@ -68,6 +68,7 @@ class ConfigNetDev:
     pwd: str = os.getenv("NET_DEV_PWD")
     ssh_port: int = config["net_dev"].getint("ssh_port")
     read_timeout: int = config["net_dev"].getint("read_timeout")
+    debug: bool = config["net_dev"].getboolean("debug")
 
 
 @dataclass