# kubectl create poddisruptionbudget 命令详解
使用指定的 name、selector 和所需的最小 pod 数量，创建一个 pod disruption budget。
# 语法
$ poddisruptionbudget NAME --selector=SELECTOR --min-available=N [--dry-run]
# 示例
创建名为 my-pdb 的 pod disruption budget，使用 app = rails label ＃来选择所有 pod，要求至少 1 个 Pod 可用。
kubectl create poddisruptionbudget my-pdb --selector=app=rails --min-available=1
创建名为 my-pdb 的 pod disruption budget，使用 app = nginx label ＃选择所有 pod，要求至少 50%Pod 可用。
kubectl create pdb my-pdb --selector=app=nginx --min-available=50%
# Flags
| Name | Shorthand | Default | Usage |
|---|---|---|---|
| allow-missing-template-keys | true | If true, ignore any errors in templates when a field or map key is missing in the template. Only applies to golang and jsonpath output formats. | |
| dry-run | false | If true, only print the object that would be sent, without sending it. | |
| generator | poddisruptionbudget/v1beta1/v2 | The name of the API generator to use. | |
| max-unavailable | The maximum number or percentage of unavailable pods this budget requires. | ||
| min-available | The minimum number or percentage of available pods this budget requires. | ||
| no-headers | false | When using the default or custom-column output format, don't print headers (default print headers). | |
| output | o | Output format. One of: json|yaml|wide|name|custom-columns=...|custom-columns-file=...|go-template=...|go-template-file=...|jsonpath=...|jsonpath-file=... See custom columns [http://kubernetes.io/docs/user-guide/kubectl-overview/#custom-columns], golang template [http://golang.org/pkg/text/template/#pkg-overview] and jsonpath template [http://kubernetes.io/docs/user-guide/jsonpath]. | |
| output-version | DEPRECATED: To use a specific API version, fully-qualify the resource, version, and group (for example: 'jobs.v1.batch/myjob'). | ||
| save-config | false | If true, the configuration of current object will be saved in its annotation. Otherwise, the annotation will be unchanged. This flag is useful when you want to perform kubectl apply on this object in the future. | |
| schema-cache-dir | ~/.kube/schema | If non-empty, load/store cached API schemas in this directory, default is '$HOME/.kube/schema' | |
| selector | A label selector to use for this budget. Only equality-based selector requirements are supported. | ||
| show-all | a | false | When printing, show all resources (default hide terminated pods.) |
| show-labels | false | When printing, show all labels as the last column (default hide labels column) | |
| sort-by | If non-empty, sort list types using this field specification. The field specification is expressed as a JSONPath expression (e.g. '{.metadata.name}'). The field in the API resource specified by this JSONPath expression must be an integer or a string. | ||
| template | Template string or path to template file to use when -o=go-template, -o=go-template-file. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]. | ||
| validate | true | If true, use a schema to validate the input before sending it |