[FIXED] kubectl-tunnel cannot bind: Cannot assign requested address

[rimusz]

make kubectl-tunnel
ssh -i .id_key -f -o "UserKnownHostsFile=/dev/null" -o "StrictHostKeyChecking=no" -o "ServerAliveInterval=120" \
	 -N -L 9000:apiserver-insecure.kubernetes.l4lb.thisdcos.directory:9000 \
	core@1.2.3.4
Warning: Permanently added '1.2.3.4' (ECDSA) to the list of known hosts.
bind: Cannot assign requested address
channel_setup_fwd_listener_tcpip: cannot listen to port: 9000
Could not request local forwarding.

[pires]

Is your host TCP 9000 already bound?

[rimusz]

nope, as that was running commands for the docker container

[pires]

There's definitely a problem with forwarding:

bind: Address already in use channel_setup_fwd_listener: cannot listen to port: Could not request local forwarding. then someone is already listening on that port number. You won't be able to listen on that port until the other person has finished with it.

[rimusz]

already destroyed the cluster, might give it a go tomorrow

[hectorj2f]

@rimusz @pires You get that error if you try to setup the tunnel when you already did it before.

[rimusz]

ok, fetched the first error:

 make kubectl-tunnel
cat cluster_info.json | jq '{ssh_private_key} | .ssh_private_key' | sed 's/\\n/\n/g' | sed 's/"//g' > .id_key
chmod 400 .id_key
ssh -i .id_key -f -o "UserKnownHostsFile=/dev/null" -o "StrictHostKeyChecking=no" -o "ServerAliveInterval=120" \
	 -N -L 9000:apiserver-insecure.kubernetes.l4lb.thisdcos.directory:9000 \
	core@1.2.3.4
Warning: Permanently added '1.2.3.4' (ECDSA) to the list of known hosts.
bind: Cannot assign requested address

[pires]

Ah, do you have IPv6 enabled on your machine?

[rimusz]

on my Mac I have IPv6 as Link-local only set

[pires]

Can you edit your Makefile and add -4 flag to the ssh command, i.e. ssh -i .id_key -4 -f -o (...) and try again?

[rimusz]

-4 (IPv4) did the trick

[pires]

Cool! We are working on a bug-fix release that will update the public docs and include this. I'll close when it's released.

[pires]

The 0.2.1-1.7.7-beta release already provides updated documentation. Will still need to fix this repo. Will do it tomorrow.

[pires]

Fixed in ec5ba64.