Skip to content

kubectl

Check APIs

  1. --v=<log level>

    kubectl get po -n kube-system --v=6
I0301 06:49:23.060965   14466 loader.go:372] Config loaded from file:  /Users/masato-naka/.kube/config
I0301 06:49:23.077877   14466 round_trippers.go:454] GET https://127.0.0.1:51938/api/v1/namespaces/kube-system/pods?limit=500 200 OK in 11 milliseconds
NAME                                         READY   STATUS    RESTARTS   AGE
coredns-558bd4d5db-j68vq                     1/1     Running   23         28d
coredns-558bd4d5db-wrwlx                     1/1     Running   23         28d
etcd-kind-control-plane                      1/1     Running   23         28d
kindnet-t57rn                                1/1     Running   23         28d
kube-apiserver-kind-control-plane            1/1     Running   23         28d
kube-controller-manager-kind-control-plane   1/1     Running   29         28d
kube-proxy-8bqmv                             1/1     Running   23         28d
kube-scheduler-kind-control-plane            1/1     Running   30         28d

    kubectl get rs -n kube-system --v=6
I0301 06:51:05.443904   14732 loader.go:372] Config loaded from file:  /Users/masato-naka/.kube/config
I0301 06:51:05.467278   14732 round_trippers.go:454] GET https://127.0.0.1:51938/api?timeout=32s 200 OK in 22 milliseconds
I0301 06:51:05.514229   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis?timeout=32s 200 OK in 2 milliseconds
I0301 06:51:05.569719   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/autoscaling/v2beta1?timeout=32s 200 OK in 5 milliseconds
I0301 06:51:05.570835   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/kubeflow.org/v1?timeout=32s 200 OK in 7 milliseconds
I0301 06:51:05.570854   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/batch/v1beta1?timeout=32s 200 OK in 5 milliseconds
I0301 06:51:05.573081   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/scheduling.k8s.io/v1beta1?timeout=32s 200 OK in 8 milliseconds
I0301 06:51:05.573087   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/authorization.k8s.io/v1beta1?timeout=32s 200 OK in 7 milliseconds
I0301 06:51:05.573119   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/extensions/v1beta1?timeout=32s 200 OK in 7 milliseconds
I0301 06:51:05.573150   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/discovery.k8s.io/v1?timeout=32s 200 OK in 7 milliseconds
I0301 06:51:05.573173   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/authentication.k8s.io/v1beta1?timeout=32s 200 OK in 8 milliseconds
I0301 06:51:05.573188   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/autoscaling/v1?timeout=32s 200 OK in 8 milliseconds
I0301 06:51:05.573175   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/authentication.k8s.io/v1?timeout=32s 200 OK in 8 milliseconds
I0301 06:51:05.573202   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/rbac.authorization.k8s.io/v1beta1?timeout=32s 200 OK in 8 milliseconds
I0301 06:51:05.573212   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/node.k8s.io/v1beta1?timeout=32s 200 OK in 7 milliseconds
I0301 06:51:05.573213   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/batch/v1?timeout=32s 200 OK in 7 milliseconds
I0301 06:51:05.573258   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/coordination.k8s.io/v1?timeout=32s 200 OK in 7 milliseconds
I0301 06:51:05.573276   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/authorization.k8s.io/v1?timeout=32s 200 OK in 8 milliseconds
I0301 06:51:05.573908   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/apps/v1?timeout=32s 200 OK in 8 milliseconds
I0301 06:51:05.574005   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/admissionregistration.k8s.io/v1?timeout=32s 200 OK in 8 milliseconds
I0301 06:51:05.574032   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/coordination.k8s.io/v1beta1?timeout=32s 200 OK in 8 milliseconds
I0301 06:51:05.574008   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/node.k8s.io/v1?timeout=32s 200 OK in 8 milliseconds
I0301 06:51:05.574021   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/apiregistration.k8s.io/v1?timeout=32s 200 OK in 9 milliseconds
I0301 06:51:05.574057   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/events.k8s.io/v1?timeout=32s 200 OK in 8 milliseconds
I0301 06:51:05.574414   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/storage.k8s.io/v1?timeout=32s 200 OK in 7 milliseconds
I0301 06:51:05.574439   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/networking.k8s.io/v1?timeout=32s 200 OK in 5 milliseconds
I0301 06:51:05.574446   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/discovery.k8s.io/v1beta1?timeout=32s 200 OK in 9 milliseconds
I0301 06:51:05.574465   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/apiextensions.k8s.io/v1beta1?timeout=32s 200 OK in 8 milliseconds
I0301 06:51:05.574467   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/policy/v1beta1?timeout=32s 200 OK in 9 milliseconds
I0301 06:51:05.574478   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/scheduling.k8s.io/v1?timeout=32s 200 OK in 8 milliseconds
I0301 06:51:05.574475   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/policy/v1?timeout=32s 200 OK in 6 milliseconds
I0301 06:51:05.574526   14732 round_trippers.go:454] GET https://127.0.0.1:51938/api/v1?timeout=32s 200 OK in 10 milliseconds
I0301 06:51:05.574537   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/events.k8s.io/v1beta1?timeout=32s 200 OK in 8 milliseconds
I0301 06:51:05.574666   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/admissionregistration.k8s.io/v1beta1?timeout=32s 200 OK in 4 milliseconds
I0301 06:51:05.574702   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/rbac.authorization.k8s.io/v1?timeout=32s 200 OK in 4 milliseconds
I0301 06:51:05.574679   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/certificates.k8s.io/v1beta1?timeout=32s 200 OK in 4 milliseconds
I0301 06:51:05.574752   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/acid.zalan.do/v1?timeout=32s 200 OK in 4 milliseconds
I0301 06:51:05.575375   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/apiregistration.k8s.io/v1beta1?timeout=32s 200 OK in 10 milliseconds
I0301 06:51:05.575481   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/autoscaling/v2beta2?timeout=32s 200 OK in 9 milliseconds
I0301 06:51:05.575600   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/apiextensions.k8s.io/v1?timeout=32s 200 OK in 6 milliseconds
I0301 06:51:05.575743   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/storage.k8s.io/v1beta1?timeout=32s 200 OK in 9 milliseconds
I0301 06:51:05.575745   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/networking.k8s.io/v1beta1?timeout=32s 200 OK in 10 milliseconds
I0301 06:51:05.575778   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/flowcontrol.apiserver.k8s.io/v1beta1?timeout=32s 200 OK in 4 milliseconds
I0301 06:51:05.575799   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/certificates.k8s.io/v1?timeout=32s 200 OK in 7 milliseconds
I0301 06:51:07.689538   14732 round_trippers.go:454] GET https://127.0.0.1:51938/apis/apps/v1/namespaces/kube-system/replicasets?limit=500 200 OK in 2 milliseconds
NAME                 DESIRED   CURRENT   READY   AGE
coredns-558bd4d5db   2         2         2       28d

  2. kubectl proxy 

    kubectl proxy --port=8080


    curl localhost:8080

    result

    {
"paths": [
    "/.well-known/openid-configuration",
    "/api",
    "/api/v1",
    "/apis",
    "/apis/",
    "/apis/acid.zalan.do",
    "/apis/acid.zalan.do/v1",
    "/apis/admissionregistration.k8s.io",
    "/apis/admissionregistration.k8s.io/v1",
    "/apis/admissionregistration.k8s.io/v1beta1",
    "/apis/apiextensions.k8s.io",
    "/apis/apiextensions.k8s.io/v1",
    "/apis/apiextensions.k8s.io/v1beta1",
    "/apis/apiregistration.k8s.io",
    "/apis/apiregistration.k8s.io/v1",
    "/apis/apiregistration.k8s.io/v1beta1",
    "/apis/apps",
    "/apis/apps/v1",
    "/apis/authentication.k8s.io",
    "/apis/authentication.k8s.io/v1",
    "/apis/authentication.k8s.io/v1beta1",
    "/apis/authorization.k8s.io",
    "/apis/authorization.k8s.io/v1",
    "/apis/authorization.k8s.io/v1beta1",
    "/apis/autoscaling",
    "/apis/autoscaling/v1",
    "/apis/autoscaling/v2beta1",
    "/apis/autoscaling/v2beta2",
    "/apis/batch",
    "/apis/batch/v1",
    "/apis/batch/v1beta1",
    "/apis/certificates.k8s.io",
    "/apis/certificates.k8s.io/v1",
    "/apis/certificates.k8s.io/v1beta1",
    "/apis/coordination.k8s.io",
    "/apis/coordination.k8s.io/v1",
    "/apis/coordination.k8s.io/v1beta1",
    "/apis/discovery.k8s.io",
    "/apis/discovery.k8s.io/v1",
    "/apis/discovery.k8s.io/v1beta1",
    "/apis/events.k8s.io",
    "/apis/events.k8s.io/v1",
    "/apis/events.k8s.io/v1beta1",
    "/apis/extensions",
    "/apis/extensions/v1beta1",
    "/apis/flowcontrol.apiserver.k8s.io",
    "/apis/flowcontrol.apiserver.k8s.io/v1beta1",
    "/apis/kubeflow.org",
    "/apis/kubeflow.org/v1",
    "/apis/networking.k8s.io",
    "/apis/networking.k8s.io/v1",
    "/apis/networking.k8s.io/v1beta1",
    "/apis/node.k8s.io",
    "/apis/node.k8s.io/v1",
    "/apis/node.k8s.io/v1beta1",
    "/apis/policy",
    "/apis/policy/v1",
    "/apis/policy/v1beta1",
    "/apis/rbac.authorization.k8s.io",
    "/apis/rbac.authorization.k8s.io/v1",
    "/apis/rbac.authorization.k8s.io/v1beta1",
    "/apis/scheduling.k8s.io",
    "/apis/scheduling.k8s.io/v1",
    "/apis/scheduling.k8s.io/v1beta1",
    "/apis/storage.k8s.io",
    "/apis/storage.k8s.io/v1",
    "/apis/storage.k8s.io/v1beta1",
    "/healthz",
    "/healthz/autoregister-completion",
    "/healthz/etcd",
    "/healthz/log",
    "/healthz/ping",
    "/healthz/poststarthook/aggregator-reload-proxy-client-cert",
    "/healthz/poststarthook/apiservice-openapi-controller",
    "/healthz/poststarthook/apiservice-registration-controller",
    "/healthz/poststarthook/apiservice-status-available-controller",
    "/healthz/poststarthook/bootstrap-controller",
    "/healthz/poststarthook/crd-informer-synced",
    "/healthz/poststarthook/generic-apiserver-start-informers",
    "/healthz/poststarthook/kube-apiserver-autoregistration",
    "/healthz/poststarthook/priority-and-fairness-config-consumer",
    "/healthz/poststarthook/priority-and-fairness-config-producer",
    "/healthz/poststarthook/priority-and-fairness-filter",
    "/healthz/poststarthook/rbac/bootstrap-roles",
    "/healthz/poststarthook/scheduling/bootstrap-system-priority-classes",
    "/healthz/poststarthook/start-apiextensions-controllers",
    "/healthz/poststarthook/start-apiextensions-informers",
    "/healthz/poststarthook/start-cluster-authentication-info-controller",
    "/healthz/poststarthook/start-kube-aggregator-informers",
    "/healthz/poststarthook/start-kube-apiserver-admission-initializer",
    "/livez",
    "/livez/autoregister-completion",
    "/livez/etcd",
    "/livez/log",
    "/livez/ping",
    "/livez/poststarthook/aggregator-reload-proxy-client-cert",
    "/livez/poststarthook/apiservice-openapi-controller",
    "/livez/poststarthook/apiservice-registration-controller",
    "/livez/poststarthook/apiservice-status-available-controller",
    "/livez/poststarthook/bootstrap-controller",
    "/livez/poststarthook/crd-informer-synced",
    "/livez/poststarthook/generic-apiserver-start-informers",
    "/livez/poststarthook/kube-apiserver-autoregistration",
    "/livez/poststarthook/priority-and-fairness-config-consumer",
    "/livez/poststarthook/priority-and-fairness-config-producer",
    "/livez/poststarthook/priority-and-fairness-filter",
    "/livez/poststarthook/rbac/bootstrap-roles",
    "/livez/poststarthook/scheduling/bootstrap-system-priority-classes",
    "/livez/poststarthook/start-apiextensions-controllers",
    "/livez/poststarthook/start-apiextensions-informers",
    "/livez/poststarthook/start-cluster-authentication-info-controller",
    "/livez/poststarthook/start-kube-aggregator-informers",
    "/livez/poststarthook/start-kube-apiserver-admission-initializer",
    "/logs",
    "/metrics",
    "/openapi/v2",
    "/openid/v1/jwks",
    "/readyz",
    "/readyz/autoregister-completion",
    "/readyz/etcd",
    "/readyz/informer-sync",
    "/readyz/log",
    "/readyz/ping",
    "/readyz/poststarthook/aggregator-reload-proxy-client-cert",
    "/readyz/poststarthook/apiservice-openapi-controller",
    "/readyz/poststarthook/apiservice-registration-controller",
    "/readyz/poststarthook/apiservice-status-available-controller",
    "/readyz/poststarthook/bootstrap-controller",
    "/readyz/poststarthook/crd-informer-synced",
    "/readyz/poststarthook/generic-apiserver-start-informers",
    "/readyz/poststarthook/kube-apiserver-autoregistration",
    "/readyz/poststarthook/priority-and-fairness-config-consumer",
    "/readyz/poststarthook/priority-and-fairness-config-producer",
    "/readyz/poststarthook/priority-and-fairness-filter",
    "/readyz/poststarthook/rbac/bootstrap-roles",
    "/readyz/poststarthook/scheduling/bootstrap-system-priority-classes",
    "/readyz/poststarthook/start-apiextensions-controllers",
    "/readyz/poststarthook/start-apiextensions-informers",
    "/readyz/poststarthook/start-cluster-authentication-info-controller",
    "/readyz/poststarthook/start-kube-aggregator-informers",
    "/readyz/poststarthook/start-kube-apiserver-admission-initializer",
    "/readyz/shutdown",
    "/version"
]
}%

    curl localhost:8080/api/v1  | jq -r '.resources[].name'

    result

    bindings
componentstatuses
configmaps
endpoints
events
limitranges
namespaces
namespaces/finalize
namespaces/status
nodes
nodes/proxy
nodes/status
persistentvolumeclaims
persistentvolumeclaims/status
persistentvolumes
persistentvolumes/status
pods
pods/attach
pods/binding
pods/eviction
pods/exec
pods/log
pods/portforward
pods/proxy
pods/status
podtemplates
replicationcontrollers
replicationcontrollers/scale
replicationcontrollers/status
resourcequotas
resourcequotas/status
secrets
serviceaccounts
serviceaccounts/token
services
services/proxy
services/status

    curl localhost:8080/apis/apps/v1  | jq -r '.resources[].name'

    result

    controllerrevisions
daemonsets
daemonsets/status
deployments
deployments/scale
deployments/status
replicasets
replicasets/scale
replicasets/status
statefulsets
statefulsets/scale
statefulsets/status