NAME¶

kubectl patch - Update field(s) of a resource using strategic merge patch.

SYNOPSIS¶

kubectl patch [OPTIONS]

DESCRIPTION¶

Update field(s) of a resource using strategic merge patch

JSON and YAML formats are accepted.

Please refer to the models in ⟨https://htmlpreview.github.io/?https://github.com/kubernetes/kubernetes/blob/release-1.2/docs/api-reference/v1/definitions.html⟩ to find if a field is mutable.

OPTIONS¶

-f, --filename=[]
Filename, directory, or URL to a file identifying the resource to update

-o, --output=""
Output mode. Use "-o name" for shorter output (resource/name).

-p, --patch=""
The patch to be applied to the resource JSON file.

--record=false
Record current kubectl command in the resource annotation.

--type="strategic"
The type of patch being provided; one of [json merge strategic]

OPTIONS INHERITED FROM PARENT COMMANDS¶

--alsologtostderr=false
log to standard error as well as files

--api-version=""
DEPRECATED: The API version to use when talking to the server

--certificate-authority=""
Path to a cert. file for the certificate authority.

--client-certificate=""
Path to a client certificate file for TLS.

--client-key=""
Path to a client key file for TLS.

--cluster=""
The name of the kubeconfig cluster to use

--context=""
The name of the kubeconfig context to use

--insecure-skip-tls-verify=false
If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure.

--kubeconfig=""
Path to the kubeconfig file to use for CLI requests.

--log-backtrace-at=:0
when logging hits line file:N, emit a stack trace

--log-dir=""
If non-empty, write log files in this directory

--log-flush-frequency=5s
Maximum number of seconds between log flushes

--logtostderr=true
log to standard error instead of files

--match-server-version=false
Require server version to match client version

--namespace=""
If present, the namespace scope for this CLI request.

--password=""
Password for basic authentication to the API server.

-s, --server=""
The address and port of the Kubernetes API server

--stderrthreshold=2
logs at or above this threshold go to stderr

--token=""
Bearer token for authentication to the API server.

--user=""
The name of the kubeconfig user to use

--username=""
Username for basic authentication to the API server.

-v, --v=0
log level for V logs

--vmodule=
comma-separated list of pattern=N settings for file-filtered logging

EXAMPLE¶

# Partially update a node using strategic merge patch
kubectl patch node k8s-node-1 -p '{"spec":{"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"}]'

SEE ALSO¶

kubectl(1),

HISTORY¶

January 2015, Originally compiled by Eric Paris (eparis at redhat dot com) based on the kubernetes source material, but hopefully they have been automatically generated since!