2019年/12月/05日
Kubernetes命令集
组件
kube-apiserver
etcd
kube-scheduler
kube-controller-manager
cloud-controller-manager
kubelet
kube-proxy
Container Runtime
DNS
Web UI
Container Resource Monitoring
Cluster-level Logging
kubectl
kubeadm
kubefed
版本列表
1.16
1.15
1.14
1.13
1.12
短名映射
csr certificatesigningrequests
cs componentstatuses
cm configmaps
ds daemonsets
deploy deployments
ep endpoints
ev events
hpa horizontalpodautoscalers
ing ingresses
limits limitranges
ns namespaces
no nodes
pvc persistentvolumeclaims
pv persistentvolumes
po pods
pdb poddisruptionbudgets
psp podsecuritypolicies
rs replicasets
rc replicationcontrollers
quota resourcequotas
sa serviceaccounts
svc services
命令
Basic Commands (Beginner):
create Create a resource from a file or from stdin.
expose 使用 replication controller, service, deployment 或者 pod并暴露它作为一个 新的 Kubernetes Service
run 在集群中运行一个指定的镜像
set 为 objects 设置一个指定的特征
Basic Commands (Intermediate):
explain 查看资源的文档
get 显示一个或更多 resources
edit 在服务器上编辑一个资源
delete Delete resources by filenames, stdin, resources and names, orby resources and label selector
Deploy Commands:
rollout Manage the rollout of a resource
scale Set a new size for a Deployment, ReplicaSet or ReplicationController
autoscale 自动调整一个 Deployment, ReplicaSet, 或者ReplicationController 的副本数量
Cluster Management Commands:
certificate 修改 certificate 资源.
cluster-info 显示集群信息
top Display Resource (CPU/Memory/Storage) usage.
cordon 标记 node 为 unschedulable
uncordon 标记 node 为 schedulable
drain Drain node in preparation for maintenance
taint 更新一个或者多个 node 上的 taints
Troubleshooting and Debugging Commands:
describe 显示一个指定 resource 或者 group 的 resources 详情
logs 输出容器在 pod 中的日志
attach Attach 到一个运行中的 container
exec 在一个 container 中执行一个命令
port-forward Forward one or more local ports to a pod
proxy 运行一个 proxy 到 Kubernetes API server
cp 复制 files 和 directories 到 containers和从容器中复制 files 和 directories.
auth Inspect authorization
Advanced Commands:
diff Diff live version against would-be applied version
apply 通过文件名或标准输入流(stdin)对资源进行配置
patch 使用 strategic merge patch 更新一个资源的 field(s)
replace 通过 filename 或者 stdin替换一个资源
wait Experimental: Wait for a specific condition on one or many
resources.
convert 在不同的 API versions 转换配置文件
kustomize Build a kustomization target from a directory or a remote url.
Settings Commands:
label 更新在这个资源上的 labels
annotate 更新一个资源的注解
completion Output shell completion code for the specified shell (bash orzsh)
Other Commands:
api-resources Print the supported API resources on the server
api-versions Print the supported API versions on the server, in the form of"group/version"
config 修改 kubeconfig 文件
plugin Provides utilities for interacting with plugins.
version 输出 client 和 server 的版本信息
配置
kubectl config view
kubectl config get-contexts
kubectl config set-credentials kubeuser/foo.kubernetes.com –username=kubeuser –password=kubepassword
创建
kubectl create deployment nginx –image=nginx
kubectl run –rm mytest –image=yauritux/busybox-curl -it
kubectl apply -f ./my-manifest.yaml
kubectl explain pods,svc
查看
kubectl exec -it mytest – ls -l /etc/hosts
kubectl exec -ti nginx-app-5jyvm – /bin/sh
kubectl get all –all-namespaces
kubectl get services
kubectl describe nodes
kubectl get pods –all-namespaces
kubectl get pods -o wide
kubectl get deployment my-dep
kubectl get pods
kubectl get pod my-pod -o yaml
kubectl get pod my-pod -o yaml –export
更新
kubectl set image deployment nginx nginx=nginx:1.9.1
kubectl rollout history deployment/frontend
kubectl rollout undo deployment/frontend
kubectl rollout undo deployment/frontend –to-revision=2
kubectl rollout status -w deployment/frontend
kubectl rollout pause deployment nginx
kubectl rollout resume deployment nginx
kubectl rollout undo deployment nginx –to-revision 3
kubectl label pods my-pod new-label=awesome
kubectl annotate pods my-pod icon-url=http://goo.gl/XXBTWq
kubectl autoscale deployment foo –min=2 –max=10
kubectl patch node k8s-node-1 -p ‘{“spec”:{“unschedulable”:true}}’
kubectl scale –replicas=3 rs/foo
kubectl delete -f ./pod.json
kubectl delete pod -l env=test
kubectl delete pvc -l app=wordpress
kubectl delete all -all
和pod交互
kubectl logs my-pod
kubectl logs -l name=myLabel
kubectl logs my-pod –previous
kubectl logs my-pod -c my-container
kubectl logs -l name=myLabel -c my-container
kubectl logs my-pod -c my-container –previous
kubectl logs -f my-pod
kubectl logs -f my-pod -c my-container
kubectl logs -f -l name=myLabel –all-containers
kubectl run -i –tty busybox –image=busybox – sh
kubectl run nginx –image=nginx –restart=Never -n mynamespace
kubectl run nginx –image=nginx –restart=Never –dry-run -o yaml > pod.yaml
kubectl attach my-pod -i
kubectl port-forward my-pod 5000:6000
kubectl exec my-pod – ls /
kubectl exec my-pod -c my-container – ls /
kubectl top pod POD_NAME –containers
和节点集群交互
kubectl cordon my-node
kubectl drain my-node
kubectl uncordon my-node
kubectl top node my-node
kubectl cluster-info
kubectl cluster-info dump
kubectl cluster-info dump –output-directory=/path/to/cluster-state
资源配额
kubectl get resourcequota
kubectl get limitrange
kubectl set resources deployment nginx -c=nginx –limits=cpu=200m
kubectl set resources deployment nginx -c=nginx –limits=memory=512Mi
网络
kubectl port-forward redis-134 6379:6379
kubectl port-forward deployment/redis-master 6379:6379
kubectl get NetworkPolicy
Api-RES
kubectl api-resources
bindings true Binding
componentstatuses cs false ComponentStatus
configmaps cm true ConfigMap
endpoints ep true Endpoints
events ev true Event
limitranges limits true LimitRange
namespaces ns false Namespace
nodes no false Node
persistentvolumeclaims pvc true PersistentVolumeClaim
persistentvolumes pv false PersistentVolume
pods po true Pod
podtemplates true PodTemplate
replicationcontrollers rc true ReplicationController
resourcequotas quota true ResourceQuota
secrets true Secret
serviceaccounts sa true ServiceAccount
services svc true Service
mutatingwebhookconfigurations admissionregistration.k8s.io false MutatingWebhookConfiguration
validatingwebhookconfigurations admissionregistration.k8s.io false ValidatingWebhookConfiguration
customresourcedefinitions crd,crds apiextensions.k8s.io false CustomResourceDefinition
apiservices apiregistration.k8s.io false APIService
controllerrevisions apps true ControllerRevision
daemonsets ds apps true DaemonSet
deployments deploy apps true Deployment
replicasets rs apps true ReplicaSet
statefulsets sts apps true StatefulSet
tokenreviews authentication.k8s.io false TokenReview
localsubjectaccessreviews authorization.k8s.io true LocalSubjectAccessReview
selfsubjectaccessreviews authorization.k8s.io false SelfSubjectAccessReview
selfsubjectrulesreviews authorization.k8s.io false SelfSubjectRulesReview
subjectaccessreviews authorization.k8s.io false SubjectAccessReview
horizontalpodautoscalers hpa autoscaling true HorizontalPodAutoscaler
cronjobs cj batch true CronJob
jobs batch true Job
certificatesigningrequests csr certificates.k8s.io false CertificateSigningRequest
leases coordination.k8s.io true Lease
events ev events.k8s.io true Event
daemonsets ds extensions true DaemonSet
deployments deploy extensions true Deployment
ingresses ing extensions true Ingress
networkpolicies netpol extensions true NetworkPolicy
podsecuritypolicies psp extensions false PodSecurityPolicy
replicasets rs extensions true ReplicaSet
ingresses ing networking.k8s.io true Ingress
networkpolicies netpol networking.k8s.io true NetworkPolicy
runtimeclasses node.k8s.io false RuntimeClass
poddisruptionbudgets pdb policy true PodDisruptionBudget
podsecuritypolicies psp policy false PodSecurityPolicy
clusterrolebindings rbac.authorization.k8s.io false ClusterRoleBinding
clusterroles rbac.authorization.k8s.io false ClusterRole
rolebindings rbac.authorization.k8s.io true RoleBinding
roles rbac.authorization.k8s.io true Role
priorityclasses pc scheduling.k8s.io false PriorityClass
csidrivers storage.k8s.io false CSIDriver
csinodes storage.k8s.io false CSINode
storageclasses sc storage.k8s.io false StorageClass
volumeattachments storage.k8s.io false VolumeAttachment
