patch
Partially update a node using a strategic merge patch, specifying the patch as JSON
kubectl patch node k8s-node-1 -p '{"spec":{"unschedulable":true}}'
Partially update a node using a strategic merge patch, specifying the patch as YAML
kubectl patch node k8s-node-1 -p $'spec:\n unschedulable: true'
Partially update a node identified by the type and name specified in “node.json” using strategic merge patch
kubectl patch -f node.json -p '{"spec":{"unschedulable":true}}'
Update a container’s image; spec.containers[*].name is required because it’s a merge key
kubectl patch pod valid-pod -p '{"spec":{"containers":[{"name":"kubernetes-serve-hostname","image":"new image"}]}}'
Update a container’s image using a JSON patch with positional arrays
kubectl patch pod valid-pod --type='json' -p='[{"op": "replace", "path": "/spec/containers/0/image", "value":"new image"}]'
Update fields of a resource using strategic merge patch, a JSON merge patch, or a JSON patch.
JSON and YAML formats are accepted.
Usage
$ kubectl patch (-f FILENAME | TYPE NAME) [-p PATCH|--patch-file FILE]
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 | none | Must be “none”, “server”, or “client”. If client strategy, only print the object that would be sent, without sending it. If server strategy, submit server-side request without persisting the resource. | |
field-manager | kubectl-patch | Name of the manager used to track field ownership. | |
filename | f | [] | Filename, directory, or URL to files identifying the resource to update |
kustomize | k | Process the kustomization directory. This flag can’t be used together with -f or -R. | |
local | false | If true, patch will operate on the content of the file, not the server-side resource. | |
output | o | Output format. One of: json|yaml|name|go-template|go-template-file|template|templatefile|jsonpath|jsonpath-as-json|jsonpath-file. | |
patch | p | The patch to be applied to the resource JSON file. | |
patch-file | A file containing a patch to be applied to the resource. | ||
record | false | Record current kubectl command in the resource annotation. If set to false, do not record the command. If set to true, record the command. If not set, default to updating the existing annotation value only if one already exists. | |
recursive | R | false | Process the directory used in -f, —filename recursively. Useful when you want to manage related manifests organized within the same directory. |
show-managed-fields | false | If true, keep the managedFields when printing objects in JSON or YAML format. | |
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]. | ||
type | strategic | The type of patch being provided; one of [json merge strategic] |
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