kubectl top

 

 

root@ubuntu:~/nginx_ingress# kubectl get  pods -n default
NAME                           READY   STATUS    RESTARTS   AGE
busybox                        1/1     Running   140        5d20h
example-foo-54dc4db9fc-42jz6   1/1     Running   0          4d18h
web2-57f7784954-lprtg          1/1     Running   0          17m
web3-74c88f6778-gfxct          1/1     Running   0          16m
root@ubuntu:~/nginx_ingress# kubectl top pods web3-74c88f6778-gfxct   -n default
Error from server (NotFound): the server could not find the requested resource (get services http:heapster:)
root@ubuntu:~/nginx_ingress# kubectl top pod web3-74c88f6778-gfxct   -n default
Error from server (NotFound): the server could not find the requested resource (get services http:heapster:)
root@ubuntu:~/nginx_ingress# 

 

root@ubuntu:~/nginx_ingress# kubectl top pods web3-74c88f6778-gfxct   -n default
Error from server (NotFound): the server could not find the requested resource (get services http:heapster:)
root@ubuntu:~/nginx_ingress# kubectl top pod web3-74c88f6778-gfxct   -n default
Error from server (NotFound): the server could not find the requested resource (get services http:heapster:)
root@ubuntu:~/nginx_ingress#  git clone https://github.com/kodekloudhub/kubernetes-metrics-server.git
Cloning into 'kubernetes-metrics-server'...
^C
root@ubuntu:~/nginx_ingress#  git clone https://github.com/kodekloudhub/kubernetes-metrics-server.git
Cloning into 'kubernetes-metrics-server'...
remote: Enumerating objects: 24, done.
remote: Counting objects: 100% (12/12), done.
remote: Compressing objects: 100% (12/12), done.
remote: Total 24 (delta 4), reused 0 (delta 0), pack-reused 12
Unpacking objects: 100% (24/24), done.
root@ubuntu:~/nginx_ingress# ls kubernetes-metrics-server
aggregated-metrics-reader.yaml  auth-delegator.yaml  auth-reader.yaml  metrics-apiservice.yaml  metrics-server-deployment.yaml  metrics-server-service.yaml  README.md  resource-reader.yaml
root@ubuntu:~/nginx_ingress# kubectl create -f kubernetes-metrics-server/
clusterrole.rbac.authorization.k8s.io/system:aggregated-metrics-reader created
clusterrolebinding.rbac.authorization.k8s.io/metrics-server:system:auth-delegator created
rolebinding.rbac.authorization.k8s.io/metrics-server-auth-reader created
apiservice.apiregistration.k8s.io/v1beta1.metrics.k8s.io created
serviceaccount/metrics-server created
deployment.apps/metrics-server created
service/metrics-server created
clusterrole.rbac.authorization.k8s.io/system:metrics-server created
clusterrolebinding.rbac.authorization.k8s.io/system:metrics-server created
root@ubuntu:~/nginx_ingress# kubectl top pod web3-74c88f6778-gfxct   -n default
Error from server (ServiceUnavailable): the server is currently unable to handle the request (get pods.metrics.k8s.io web3-74c88f6778-gfxct)
root@ubuntu:~/nginx_ingress# kubectl top pod web2-57f7784954-lprtg   -n default
Error from server (ServiceUnavailable): the server is currently unable to handle the request (get pods.metrics.k8s.io web2-57f7784954-lprtg)
root@ubuntu:~/nginx_ingress#