Open Stack

Your error message says it cannot connect to port 23750.  That's the kuryr-libnetwork default listen port.  On 192.168.1.10, run:

lsof -iTCP -sTCP:LISTEN -P

On my compute node, it outputs:

COMMAND    PID        USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
…
kuryr-ser 1976        root    6u  IPv4  30896      0t0  TCP localhost:23750 (LISTEN)

So, you can see that kuryr is listening on 23750.  If lsof does not list a process listening on 23750, then check if kuryr is up by running:

systemctl status kuryr-libnetwork

You can also try restarting it by running:

systemctl restart kuryr-libnetwork

I installed that service by following:

https://docs.openstack.org/kuryr-libnetwork/queens/install/compute-install-ubuntu.html

That is the queens install guide which might help you since zun has no install guide in pike.

If you see it listening, you can try this command:

telnet 192.168.1.10 23750

If it fails to connect, then try:

telnet localhost 23750

If it works with localhost but not 192.168.1.10, then I think that means you need to tell docker to connect to localhost instead of 192.168.1.10.

Can you get the commands at the following web page to succeed?

https://docs.openstack.org/kuryr-libnetwork/queens/install/verify.html

Jacob Burckhardt
Senior Software Engineer
[pdvWireless]

From: Rania Adouni <raniaadouni at gmail.com>
Sent: Tuesday, November 20, 2018 2:02 PM
To: openstack-dev at lists.openstack.org
Subject: [openstack-dev] [zun] Failed to create Container

[https://mailtrack.io/trace/mail/17bd40a2e38fcf449f8e80fdc1e7d9474dfbed19.png?u=2497697]

Hi ,

I am starting to use zun on openstack pike , and when I try to lunch container with cirros image , I get this reason : Docker internal error: 500 Server Error: Internal Server Error ("legacy plugin: Post http://192.168.1.10:23750/Plugin.Activate: dial tcp 192.168.1.10:23750<http://192.168.1.10:23750/>: connect: connection refused").
you can find here the log on my compute node :https://pastebin.com/nZTiTZiV.
some help with this will be great .
Best Regards,
Rania Adouni




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