WARN[0000] Failed to set up SSH tunneling for host [172.17.87.253]: Can’t retrieve Docker Info: error during connect: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.24/info: Unable to access the service on /var/run/docker.sock. The service might be still starting up. Error: ssh: rejected: connect failed (open failed)
WARN[0000] Removing host [172.17.87.253] from node lists
WARN[0000] [state] can’t fetch legacy cluster state from Kubernetes: Cluster must have at least one etcd plane host: failed to connect to the following etcd host(s) [172.17.87.253]
This is my first attempt to use Rancher and it failed as soon as I started 
I was not expecting it to work though. It cannot be so simple.
What is required Rancher to work properly?
It does not like the ssh for some reason.
What should I do to solve this problem?
ubuntu@rancher:~$ ./rke --version
rke version v1.1.4
ubuntu@rancher:~$ uname -a
Linux rancher 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9 23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
ubuntu@rancher:~$ cat cluster.yml # This is the minimal config from Rancher web page
nodes:
- address: 172.17.87.253
user: ubuntu
role:
- controlplane
- etcd
- worker
Please share more details from the node you are using:
- Output from
sudo docker info
- Output from
ls -la /var/run/docker.sock
- Output from
docker ps as user ubuntu on 172.17.87.253
- Output from
dpkg -l openssh-server
The requirements are listed on https://rancher.com/docs/rke/latest/en/os/
I too facing same issue
Failed to set up SSH tunneling for host [52.167.170.100]: Can’t retrieve Docker Info: er24/info": Unable to access node with address [52.167.170.100:22] using SSH. Please check if you arend if you have configured the correct SSH username. Error: ssh: handshake failed: ssh: unable to auethods remain
You can use Rancher Docs: SSH Connectivity Errors or provide the information requested above.(+ the information in the start post)
Hi, I face the same error after upgrading to rke 1.3.2. It worked well prior to lower versions. I’m using ssh_agent.
Here is my output.
sudo docker info
Client:
Context: default
Debug Mode: false
Plugins:
app: Docker App (Docker Inc., v0.9.1-beta3)
buildx: Docker Buildx (Docker Inc., v0.9.1-docker)
compose: Docker Compose (Docker Inc., v2.17.2)
scan: Docker Scan (Docker Inc., v0.23.0)
Server:
Containers: 44
Running: 19
Paused: 0
Stopped: 25
Images: 23
Server Version: 20.10.21
Storage Driver: overlay2
Backing Filesystem: extfs
Supports d_type: true
Native Overlay Diff: true
userxattr: false
Logging Driver: json-file
Cgroup Driver: cgroupfs
Cgroup Version: 1
Plugins:
Volume: local
Network: bridge host ipvlan macvlan null overlay
Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
Swarm: inactive
Runtimes: io.containerd.runc.v2 io.containerd.runtime.v1.linux runc
Default Runtime: runc
Init Binary: docker-init
containerd version: 2806fc1057397dbaeefbea0e4e17bddfbd388f38
runc version: v1.1.5-0-gf19387a
init version: de40ad0
Security Options:
apparmor
seccomp
Profile: default
Kernel Version: 5.15.0-1030-gcp
Operating System: Ubuntu 20.04.6 LTS
OSType: linux
Architecture: x86_64
CPUs: 4
Total Memory: 14.64GiB
Name: k8s-m-9999
ID: A4I7:GV4R:QRMN:DEUK:PTRD:24FI:YMSW:HZSY:3IGX:4JWZ:A2XN:46UC
Docker Root Dir: /var/lib/docker
Debug Mode: false
Registry: https://index.docker.io/v1/
Labels:
Experimental: false
Insecure Registries:
127.0.0.0/8
Live Restore Enabled: false
type or paste code here
ls -la /var/run/docker.sock
srw-rw-rw- 1 root docker 0 Apr 6 16:09 /var/run/docker.sock
docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
4108209ea8a7 rancher/rke-tools:v0.1.78 "/docker-entrypoint.…" 5 hours ago Up 5 hours etcd-rolling-snapshots
0037f896e0c3 da2f8238d86c "run.sh" 2 days ago Up 2 days k8s_cluster-register_cattle-cluster-agent-74fdc49df9-mdgx6_cattle-system_86b7d53d-b7e3-46c1-a487-aa6d992e288e_0
25fbc152fd59 rancher/mirrored-pause:3.5 "/pause" 2 days ago Up 2 days k8s_POD_cattle-cluster-agent-74fdc49df9-mdgx6_cattle-system_86b7d53d-b7e3-46c1-a487-aa6d992e288e_0
f1ea8d52d084 0da6a335fe13 "/bin/node_exporter …" 2 days ago Up 2 days k8s_node-exporter_node-exporter-drckl_kube-system_af639acc-ff21-42b6-a93c-edb2b0afdbd2_0
3a9822b5c4ee rancher/mirrored-pause:3.5 "/pause" 2 days ago Up 2 days k8s_POD_node-exporter-drckl_kube-system_af639acc-ff21-42b6-a93c-edb2b0afdbd2_0
5f1a8354e0ce fluent/fluent-bit "/fluent-bit/bin/flu…" 2 days ago Up 2 days k8s_fluent-bit_fluent-bit-logging-v1-qkzcf_logging-ns_8dfa1fe7-2050-4899-9f20-3358a1730485_0
0bee7cbc0c71 rancher/mirrored-pause:3.5 "/pause" 2 days ago Up 2 days k8s_POD_fluent-bit-logging-v1-qkzcf_logging-ns_8dfa1fe7-2050-4899-9f20-3358a1730485_0
b82abaea692e ca00244e54c7 "install-cni" 2 days ago Up 2 days k8s_install-cni_istio-cni-node-vbb6j_kube-system_090c1603-c82b-482f-ae99-5a7c20ef7b9e_0
35bf33a426cc rancher/mirrored-pause:3.5 "/pause" 2 days ago Up 2 days k8s_POD_istio-cni-node-vbb6j_kube-system_090c1603-c82b-482f-ae99-5a7c20ef7b9e_0
46166ab36630 e6ea68648f0c "/opt/bin/flanneld -…" 2 days ago Up 2 days k8s_kube-flannel_canal-r4v8k_kube-system_df5bd092-8896-4157-95f2-84112ea6a615_0
0340c6535222 9b7965ed4504 "start_runit" 2 days ago Up 2 days k8s_calico-node_canal-r4v8k_kube-system_df5bd092-8896-4157-95f2-84112ea6a615_0
ae037921aeba rancher/mirrored-pause:3.5 "/pause" 2 days ago Up 2 days k8s_POD_canal-r4v8k_kube-system_df5bd092-8896-4157-95f2-84112ea6a615_0
833a7dc4281f rancher/hyperkube:v1.22.4-rancher1 "/opt/rke-tools/entr…" 2 days ago Up 2 days kube-proxy
75eaccdbcdd1 rancher/hyperkube:v1.22.4-rancher1 "/opt/rke-tools/entr…" 2 days ago Up 2 days kubelet
09b61f3a7002 rancher/hyperkube:v1.22.4-rancher1 "/opt/rke-tools/entr…" 2 days ago Up 2 days kube-scheduler
a83c174c15b7 rancher/hyperkube:v1.22.4-rancher1 "/opt/rke-tools/entr…" 2 days ago Up 2 days kube-controller-manager
ff5f7904b542 rancher/hyperkube:v1.22.4-rancher1 "/opt/rke-tools/entr…" 2 days ago Up 2 days kube-apiserver
2aa77215794f rancher/mirrored-coreos-etcd:v3.5.0 "/usr/local/bin/etcd…" 2 days ago Up 2 days etcd
c11b86ea28d2 e-gen-docker-local.docker.lowes.com/carbon-stores-clustercreation-image:jenkins-96_code-change-disable-destroy_e1b0c5d32a49d563ae21440d858d50f60777756e "/bin/sh" 4 days ago Up 4 days roman-test
dpkg -l openssh-server
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-==============-==================-============-=================================================================
ii openssh-server 1:8.2p1-4ubuntu0.5 amd64 secure shell (SSH) server, for secure access from remote machines
config sshd.conf
AllowTcpForwarding yes
I’m facing the same issue.
Did you manage to fix it?
Im able to perform ssh and execute docker ps and so on.
Hi guys!!
I have manage to fix this issue.
In the server you want to perfom provisioning
$sudo nano /etc/ssh/sshd_config.
Leave all this section commented
then restart the sshd service
$sudo systemctl restart sshd
And try again
