kubectl–get命令

一、命令格式

kubectl get resource名称

二、resource列表

• all
• certificatesigningrequests (aka ‘csr’)
• clusterrolebindings
• clusterrol
• componentstatuses (aka ‘cs’)
• configmaps (aka ‘cm’)
• controllerrevisions
• cronjobs
• customresourcedefinition (aka ‘crd’)
• daemonsets (aka ‘ds’)
• deployments (aka ‘deploy’)
• endpoints (aka ‘ep’)
• events (aka ‘ev’)
• horizontalpodautoscalers (aka ‘hpa’)
• ingresses (aka ‘ing’)
• jobs
• limitranges (aka ‘limits’)
• namespaces (aka ‘ns’)
• networkpolicies (aka ‘netpol’)
• nodes (aka ‘no’)
• persistentvolumeclaims (aka ‘pvc’)
• persistentvolumes (aka ‘pv’)
• poddisruptionbudgets (aka ‘pdb’)
• podpreset
• pods (aka ‘po’)
• podsecuritypolicies (aka ‘psp’)
• podtemplates
• replicasets (aka ‘rs’)
• replicationcontrollers (aka ‘rc’)
• resourcequotas (aka ‘quota’)
• rolebindings
• roles
• secrets
• serviceaccounts (aka ‘sa’)
• services (aka ‘svc’)
• statefulsets (aka ‘sts’)
• storageclasses (aka ‘sc’)

三、可选参数

用不同的格式查看

-o wide/yaml/json

看指定标签的pods，支持’=’, ‘==’, and ‘!=’操作符

-l key=value

查看指定的命名空间

-n 命名空间

四、 示例

# 查看Master状态
kubectl get componentstatuses

# 查看所有命名空间
kubectl get namespace

# 列出所有的pods
kubectl get pods

# 显示更多的pods列表信息(例如 pod的ip和所处的node)
kubectl get pods -o wide

# 列出名字为web的rc
kubectl get replicationcontroller web

# 获取名字为web-pod-13je7的pod的信息，并以json格式输出
kubectl get -o json pod web-pod-13je7

# 根据pod文件查找pod，并以json格式输出
kubectl get -f pod.yaml -o json

# 获取pod容器的状态
kubectl get -o template pod/kube-dns-795f5f6f9c-ldxxs --template {{.status.phase}}

# 同时获取所有的rc和service
kubectl get rc,services

# 获取符合条件的所有rc,svc,pod
kubectl get rc/web service/frontend pods/web-pod-13je7

# 获取所有resource
kubectl get all