kubectl convert
转换配置文件为不同的API版本，支持YAML和JSON格式。
该命令将配置文件名，目录或URL作为输入，并将其转换为指定的版本格式，如果目标版本未指定或不支持，则转换为最新版本。
默认输出将以YAML格式打印出来，可以使用- o选项改变输出格式。
语法
$ convert -f FILENAME
示例
将“pod.yaml”转换为最新版本并打印到stdout。
kubectl convert -f pod.yaml
将“pod.yaml”指定的资源的实时状态转换为最新版本＃，并以json格式打印到stdout。
kubectl convert -f pod.yaml --local -o json
将当前目录下的所有文件转换为最新版本，并将其全部创建。
kubectl convert -f . | kubectl create -f -
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. | |
| filename | f | [] | Filename, directory, or URL to files to need to get converted. |
| include-extended-apis | true | If true, include definitions of new APIs via calls to the API server. [default true] | |
| local | true | If true, convert will NOT try to contact api-server but run locally. | |
| 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 | Output the formatted object with the given group version (for ex: 'extensions/v1beta1').) | ||
| recursive | R | false | Process the directory used in -f, --filename recursively. Useful when you want to manage related manifests organized within the same directory. |
| schema-cache-dir | ~/.kube/schema | If non-empty, load/store cached API schemas in this directory, default is '$HOME/.kube/schema' | |
| 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 |