As the title says, I am unable to connect to a Microk8s cluster built on an OCI VM with the kubectl command from local Mac laptop. Please let me know if you know more about this.
environmental information.
VM
shape："VM.Standard.A1.Flex"
CPU：2CORE
memory：8GB
OS
NAME="Ubuntu"
VERSION="20.04.6 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.6 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal
network
cidr = 0.0.0.0/0
ports = [
"22",
"80",
"443",
"6443",
"2379",
"2380",
"8080",
"10248",
"10250",
"10251",
"10252",
"16443",
"30000-32767"
]
connection setting
kubeconfig
Paste the following into $HOME/.kube/config in local Mac.
- cluster:
certificate-authority-data: XXXXXXXX.........
server: https://<VM public IP>:16443
name: microk8s-cluster
contexts:
- context:
cluster: microk8s-cluster
user: admin
name: microk8s
current-context: microk8s
kind: Config
preferences: {}
users:
- name: admin
user:
token: XXXXXXXXXXXX.......
ports
root@masternode:~# ss -ant
State Recv-Q Send-Q Local Address:Port Peer Address:Port Process
LISTEN 0 4096 127.0.0.1:10248 0.0.0.0:*
LISTEN 0 4096 127.0.0.1:10249
~~
LISTEN 0 128 [::]:22 [::]:*
LISTEN 0 4096 *:16443 *:*
ESTAB 0 0 [::1]:16443 [::1]:33314
ESTAB 0 0 [::ffff:10.0.0.57]:16443 [::ffff:10.1.181.1]:50704
ESTAB 0 0 [::ffff:10.0.0.57]:16443 [::ffff:10.0.0.57]:13131
ESTAB 0 0 [::1]:33314 [::1]:16443
ESTAB 0 0 [::ffff:127.0.0.1]:16443 [::ffff:127.0.0.1]:34826
ESTAB 0 0 [::ffff:10.0.0.57]:16443 [::ffff:10.0.0.57]:62508
ESTAB 0 0 [::ffff:127.0.0.1]:16443 [::ffff:127.0.0.1]:53818
ESTAB 0 0 [::ffff:10.0.0.57]:16443 [::ffff:10.0.0.57]:62920
Microk8s status
Microk8s status
root@masternode:~# microk8s status
microk8s is running
high-availability: no
datastore master nodes: 127.0.0.1:19001
datastore standby nodes: none
addons:
enabled:
ha-cluster # (core) Configure high availability on the current node
~~
registry # (core) Private image registry exposed on localhost:32000
storage # (core) Alias to hostpath-storage add-on, deprecated
node status
root@masternode:~# microk8s kubectl get nodes
NAME STATUS ROLES AGE VERSION
masternode Ready <none> 40m v1.26.4
error information
takeruyamamura@TakerunoMini .kube % kubectl get nodes
E0429 04:18:58.717595 31573 memcache.go:238] couldn't get current server API group list: Get "https://168.138.89.20:16443/api?timeout=32s": dial tcp <public IP>:16443: connect: connection refused
...
What did I try
- reboot
- uninstall Microk8s
What do I expect
- Connectable to Microk8s from local Mac with kubectl command
