[Update] 修改不支持思科设备的bug

coco/connection.py

@@ -43,6 +43,7 @@ class SSHConnection:
         if asset.domain:
             sock = self.get_proxy_sock_v2(asset)
 
+        try:
             try:
                 ssh.connect(
                     asset.ip, port=asset.port, username=system_user.username,
@@ -51,6 +52,14 @@ class SSHConnection:
                     compress=True, auth_timeout=config['SSH_TIMEOUT'],
                     look_for_keys=False, sock=sock
                 )
+            except paramiko.AuthenticationException:
+                # 思科设备不支持秘钥登陆，提供秘钥，必然失败
+                ssh.connect(
+                    asset.ip, port=asset.port, username=system_user.username,
+                    password=system_user.password, timeout=config['SSH_TIMEOUT'],
+                    compress=True, auth_timeout=config['SSH_TIMEOUT'],
+                    look_for_keys=False, sock=sock, allow_agent=False,
+                )
             transport = ssh.get_transport()
             transport.set_keepalive(300)
         except (paramiko.AuthenticationException,