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I am using dronekit-python in a docker container and am attempting to connect to an instance of MAVProxy running on my host machine (Mac OSX) using the following command:

vehicle = connect('udp:host.docker.internal:14551', wait_ready=True)

but am getting the following error:

File "/usr/local/lib/python3.7/site-packages/pymavlink/mavutil.py", line 1015, in __init__
self.port.bind((a[0], int(a[1])))

OSError: [Errno 99] Cannot assign requested address

Does anyone know what the issue is here? I am able to successfully connect using the above command when I run the python script locally on host but not when I have it running in a docker container.

I found a similar stackoverflow question here but the accepted answer did not work for me. Not sure if I need to be exposing ports or something like that.

Here is the command that I am running on my host machine to kick off MAVProxy: mavproxy.py --master=127.0.0.1:14550 --out udp:127.0.0.1:14551 --out udp:10.55.222.120:14550 --out udp:127.0.0.1:14552

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1 回答 1

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我最终得到了主机上的 MAVProxy 和正确连接的 docker 烧瓶容器中的dronekit-python。

Seemus790 在这个gitter 线程中的回答起到了作用。

工作解决方案：主机上的 MAVProxy（在我的情况下为 Mac OS）

mavproxy.py --master=127.0.0.1:14550 --out udp:127.0.0.1:14551 --out udp:10.55.222.120:14550 --out=tcpin:0.0.0.0:14552

docker容器中的dronekit-python命令：

vehicle = connect('tcp:host.docker.internal:14552', wait_ready=True)

诀窍是 mavproxy 命令的 --out=tcpin:0.0.0.0:14552 部分，此处记录

于 2020-05-11T01:57:08.247 回答