Kubernetes kubectl API Reference

`Resource Fields`

6 methods

每个 Kubernetes 清单暴露的顶层字段。

kubectl apply -f file [-n namespace]

资源的 API 组和版本，如 apps/v1 或核心资源的 v1。

Parameters

Name	Type	Description
file	string	Manifest file path or URL; '-' reads from stdin.
namespace	string	Optional target namespace.

Returns

void

Example

kubernetes

kubectl apply -f deployment.yaml -n production

kubectl get type [name] [-o format] [-n namespace]

资源类型，如 Pod、Deployment、Service、ConfigMap。

Parameters

Name	Type	Description
type	string	Resource type, e.g. pods, svc, deployments.
name	string	Optional resource name.
format	string	Output format: wide, yaml, json, jsonpath.

Returns

void

Example

kubernetes

kubectl get pods -o wide -n kube-system

kubectl describe type name [-n namespace]

资源的标识和组织数据：名称、命名空间、标签、注解。

Parameters

Name	Type	Description
type	string	Resource type.
name	string	Resource name.

Returns

void

Example

kubernetes

kubectl describe pod nginx-6799fc88d8-abc12

kubectl delete (-f file | type name) [--grace-period=0]

资源的期望状态。Schema 取决于类型。

Parameters

Name	Type	Description
file	string	Manifest path declaring resources to delete.
type	string	Resource type when deleting by name.
name	string	Resource name when deleting by name.

Returns

void

Example

kubernetes

kubectl delete pod buggy-pod --grace-period=0 --force

kubectl logs [-f] pod [-c container] [-n namespace]

Prints container logs. Follows logs with -f; selects a container when a pod has several.

Parameters

Name	Type	Description
pod	string	Pod name.
container	string	Container name inside the pod.

Returns

void

Example

kubernetes

kubectl logs -f api-7d8-xyz -c app

kubectl exec [-it] pod -- command [args...]

Executes a command inside a container in a pod.

Parameters

Name	Type	Description
pod	string	Pod name.
command	string	Command to execute.

Returns

void

Example

kubernetes

kubectl exec -it web-pod -- /bin/sh

All references Next: Manifest