個人メモです。
kubectl get all
コマンドを使うと pod,service,deployment などが取得できる
# default ネームスペースの情報郡を取得
$kubectl get all
NAME READY STATUS RESTARTS AGE
pod/test 1/1 Running 0 47s
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
service/kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 46m
# 特定ネームスペースの情報郡を取得する
$kubectl get all -n kube-system
NAME READY STATUS RESTARTS AGE
pod/coredns-f9fd979d6-gs5lb 1/1 Running 0 46m
pod/coredns-f9fd979d6-j9sqw 1/1 Running 0 46m
pod/etcd-controlplane 1/1 Running 0 46m
pod/kube-apiserver-controlplane 1/1 Running 0 46m
pod/kube-controller-manager-controlplane 1/1 Running 0 46m
pod/kube-flannel-ds-amd64-l56nm 1/1 Running 0 46m
pod/kube-flannel-ds-amd64-vph8g 1/1 Running 0 45m
pod/kube-proxy-6w9j9 1/1 Running 0 45m
pod/kube-proxy-g5bm4 1/1 Running 0 46m
pod/kube-scheduler-controlplane 1/1 Running 0 46m
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
service/kube-dns ClusterIP 10.96.0.10 <none> 53/UDP,53/TCP,9153/TCP 46m
NAME DESIRED CURRENT READY UP-TO-DATE AVAILABLE NODE SELECTOR AGE
daemonset.apps/kube-flannel-ds-amd64 2 2 2 2 2 <none> 46m
daemonset.apps/kube-flannel-ds-arm 0 0 0 0 0 <none> 46m
daemonset.apps/kube-flannel-ds-arm64 0 0 0 0 0 <none> 46m
daemonset.apps/kube-flannel-ds-ppc64le 0 0 0 0 0 <none> 46m
daemonset.apps/kube-flannel-ds-s390x 0 0 0 0 0 <none> 46m
daemonset.apps/kube-proxy 2 2 2 2 2 kubernetes.io/os=linux 46m
NAME READY UP-TO-DATE AVAILABLE AGE
deployment.apps/coredns 2/2 2 2 46m
NAME DESIRED CURRENT READY AGE
replicaset.apps/coredns-f9fd979d6 2 2 2 46m
すべてのネームスペースを指定する場合 --all-namespaces
もしくは -A
を指定する。
kubectl get pods --all-namespaces # List all pods in all namespaces
All images running in a cluster
kubectl get pods -A -o=custom-columns='DATA:spec.containers[*].image'
# すべてのネームスペースの情報郡を取得する
$kubectl get all --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE
default pod/test 1/1 Running 0 85s
kube-system pod/coredns-f9fd979d6-gs5lb 1/1 Running 0 46m
kube-system pod/coredns-f9fd979d6-j9sqw 1/1 Running 0 46m
kube-system pod/etcd-controlplane 1/1 Running 0 46m
kube-system pod/kube-apiserver-controlplane 1/1 Running 0 46m
kube-system pod/kube-controller-manager-controlplane 1/1 Running 0 46m
kube-system pod/kube-flannel-ds-amd64-l56nm 1/1 Running 0 46m
kube-system pod/kube-flannel-ds-amd64-vph8g 1/1 Running 0 46m
kube-system pod/kube-proxy-6w9j9 1/1 Running 0 46m
kube-system pod/kube-proxy-g5bm4 1/1 Running 0 46m
kube-system pod/kube-scheduler-controlplane 1/1 Running 0 46m
NAMESPACE NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
default service/kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 46m
kube-system service/kube-dns ClusterIP 10.96.0.10 <none> 53/UDP,53/TCP,9153/TCP 46m
NAMESPACE NAME DESIRED CURRENT READY UP-TO-DATE AVAILABLE NODE SELECTOR AGE
kube-system daemonset.apps/kube-flannel-ds-amd64 2 2 2 2 2 <none> 46m
kube-system daemonset.apps/kube-flannel-ds-arm 0 0 0 0 0 <none> 46m
kube-system daemonset.apps/kube-flannel-ds-arm64 0 0 0 0 0 <none> 46m
kube-system daemonset.apps/kube-flannel-ds-ppc64le 0 0 0 0 0 <none> 46m
kube-system daemonset.apps/kube-flannel-ds-s390x 0 0 0 0 0 <none> 46m
kube-system daemonset.apps/kube-proxy 2 2 2 2 2 kubernetes.io/os=linux 46m
NAMESPACE NAME READY UP-TO-DATE AVAILABLE AGE
kube-system deployment.apps/coredns 2/2 2 2 46m
NAMESPACE NAME DESIRED CURRENT READY AGE
kube-system replicaset.apps/coredns-f9fd979d6 2 2 2 46m
なお、kubectl get all
はすべての情報を取得している訳ではないので注意