EDIT: This is probably a docker machine issue I think and not Rancher.
Running Rancher master on my mac, trying to create a cluster in a private OpenStack instance.
Docker machine create finishes, seemingly successfully, and the next command is an attempt to ssh into the host and fire up the Rancher Agent.
I debugged to see what command was being executed by rancher, and this is what was executed below, which I ran manually.
root@1185eeddb100:/tmp# docker-machine --debug --native-ssh ssh dev79a-cg-kube1 sudo docker run -d --privileged --restart=unless-stopped --net=host -v /etc/kubernetes:/etc/kubernetes -v /var/run:/var/run my-docker-hub/rancher/rancher-agent:master --server https://localhost --token <redacted> --ca-checksum <redacted> -r -n m-q4mgl Docker Machine Version: 0.14.0, build 16b5eb0 Found binary path at /usr/bin/docker-machine Launching plugin server for driver openstack Plugin server listening at address 127.0.0.1:44393 () Calling .GetVersion Using API Version 1 () Calling .SetConfigRaw () Calling .GetMachineName (dev79a-cg-kube1) Calling .GetState (dev79a-cg-kube1) DBG | Get status for OpenStack instance... map[MachineId:14c1bc26-7326-4aea-91c7-d9b9bf1bf120] (dev79a-cg-kube1) DBG | Authenticating... map[AuthUrl:https://dev.keystone.cloud.net:5000/v3 Insecure:true TenantName: CaCert: DomainID: DomainName:development Username:jkierpiec TenantID:6cf88bc0dcb14f5a873c9e5b90d53c81] (dev79a-cg-kube1) Calling .GetSSHHostname (dev79a-cg-kube1) DBG | State for OpenStack instance map[State:ACTIVE MachineId:14c1bc26-7326-4aea-91c7-d9b9bf1bf120] (dev79a-cg-kube1) Calling .GetSSHPort (dev79a-cg-kube1) Calling .GetSSHKeyPath (dev79a-cg-kube1) Calling .GetSSHKeyPath (dev79a-cg-kube1) Calling .GetSSHUsername Using SSH client type: native <nil> Error getting config for native Go SSH: asn1: structure error: superfluous leading zeros in length
- Not sure why docker machine is choosing native. Trying to dig into the code, but expected
NewExternalClientto be called vs
- Isnt the superflous leading zeros a malformed key error? Not sure which key its even referring to.
- Running WITHOUT --native-host works, although the agent container ends up in an endless restart loop, I assume that is primarily because I created the machine outside of rancher for debugging purposes.
Hopefully this can be debugged! Let me know what other context I can provide.