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118 lines
4.9 KiB
Markdown
118 lines
4.9 KiB
Markdown
<!-- BEGIN MUNGE: UNVERSIONED_WARNING -->
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<!-- BEGIN STRIP_FOR_RELEASE -->
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<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
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width="25" height="25">
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<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
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width="25" height="25">
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<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
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width="25" height="25">
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<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
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width="25" height="25">
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<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
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width="25" height="25">
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<h2>PLEASE NOTE: This document applies to the HEAD of the source tree</h2>
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If you are using a released version of Kubernetes, you should
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refer to the docs that go with that version.
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<!-- TAG RELEASE_LINK, added by the munger automatically -->
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<strong>
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The latest release of this document can be found
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[here](http://releases.k8s.io/release-1.2/docs/user-guide/kubectl/kubectl_patch.md).
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Documentation for other releases can be found at
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[releases.k8s.io](http://releases.k8s.io).
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</strong>
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--
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<!-- END STRIP_FOR_RELEASE -->
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<!-- END MUNGE: UNVERSIONED_WARNING -->
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## kubectl patch
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Update field(s) of a resource using strategic merge patch.
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### Synopsis
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Update field(s) of a resource using strategic merge patch
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JSON and YAML formats are accepted.
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Please refer to the models in https://htmlpreview.github.io/?https://github.com/kubernetes/kubernetes/blob/HEAD/docs/api-reference/v1/definitions.html to find if a field is mutable.
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```
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kubectl patch (-f FILENAME | TYPE NAME) -p PATCH
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```
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### Examples
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```
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# Partially update a node using strategic merge patch
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kubectl patch node k8s-node-1 -p '{"spec":{"unschedulable":true}}'
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# Partially update a node identified by the type and name specified in "node.json" using strategic merge patch
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kubectl patch -f node.json -p '{"spec":{"unschedulable":true}}'
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# Update a container's image; spec.containers[*].name is required because it's a merge key
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kubectl patch pod valid-pod -p '{"spec":{"containers":[{"name":"kubernetes-serve-hostname","image":"new image"}]}}'
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# Update a container's image using a json patch with positional arrays
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kubectl patch pod valid-pod -type='json' -p='[{"op": "replace", "path": "/spec/containers/0/image", "value":"new image"}]'
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```
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### Options
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```
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-f, --filename=[]: Filename, directory, or URL to a file identifying the resource to update
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--include-extended-apis[=true]: If true, include definitions of new APIs via calls to the API server. [default true]
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-o, --output="": Output mode. Use "-o name" for shorter output (resource/name).
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-p, --patch="": The patch to be applied to the resource JSON file.
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--record[=false]: Record current kubectl command in the resource annotation.
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-R, --recursive[=false]: If true, process directory recursively.
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--type="strategic": The type of patch being provided; one of [json merge strategic]
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```
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### Options inherited from parent commands
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```
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--alsologtostderr[=false]: log to standard error as well as files
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--as="": Username to impersonate for the operation.
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--certificate-authority="": Path to a cert. file for the certificate authority.
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--client-certificate="": Path to a client certificate file for TLS.
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--client-key="": Path to a client key file for TLS.
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--cluster="": The name of the kubeconfig cluster to use
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--context="": The name of the kubeconfig context to use
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--insecure-skip-tls-verify[=false]: If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure.
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--kubeconfig="": Path to the kubeconfig file to use for CLI requests.
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--log-backtrace-at=:0: when logging hits line file:N, emit a stack trace
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--log-dir="": If non-empty, write log files in this directory
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--log-flush-frequency=5s: Maximum number of seconds between log flushes
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--logtostderr[=true]: log to standard error instead of files
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--match-server-version[=false]: Require server version to match client version
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--namespace="": If present, the namespace scope for this CLI request.
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--password="": Password for basic authentication to the API server.
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-s, --server="": The address and port of the Kubernetes API server
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--stderrthreshold=2: logs at or above this threshold go to stderr
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--token="": Bearer token for authentication to the API server.
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--user="": The name of the kubeconfig user to use
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--username="": Username for basic authentication to the API server.
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--v=0: log level for V logs
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--vmodule=: comma-separated list of pattern=N settings for file-filtered logging
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```
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### SEE ALSO
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* [kubectl](kubectl.md) - kubectl controls the Kubernetes cluster manager
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###### Auto generated by spf13/cobra on 30-Mar-2016
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<!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
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[]()
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<!-- END MUNGE: GENERATED_ANALYTICS -->
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