kubectl patch

all

Patch Kubernetes resources with new values.

More info →

Options (3)

-p, --patchboolean

Partially patch a secret using a strategic merge JSON patch to remove the finalizer

Example: kubectl patch secrets {{secret_name}} {{[-p|--patch]}} '{"metadata":{"finalizers": []\}\}' --type merge

boolean

Partially patch a pod's container using a JSON patch with positional arrays

Example:

kubectl patch {{[po|pods]}} {{pod_name}} --type 'json' {{[-p|--patch]}} '[{"op": "replace", "path": "/spec/containers/0/image", "value":"{{new_image_value}}"}]'

boolean

Update a deployment's replicas through the scale subresource using a strategic merge JSON patch

Example:

kubectl patch {{[deploy|deployments]}} {{deployment_name}} --subresource 'scale' --type 'merge' {{[-p|--patch]}} '{"spec":{"replicas":{{number_of_replicas}}\}\}'

Examples (4)

Partially patch a secret using a strategic merge JSON patch to remove the finalizer

kubectl patch secrets secret_name [-p|--patch] '{"metadata":{"finalizers": []\}\}' --type merge

Partially patch a secret using a strategic merge YAML patch to remove the finalizer

kubectl patch secrets secret_name [-p|--patch] $'metadata:\n finalizers: []' --type merge

Partially patch a pod's container using a JSON patch with positional arrays

kubectl patch [po|pods] pod_name --type 'json' [-p|--patch] '[{"op": "replace", "path": "/spec/containers/0/image", "value":"new_image_value"}]'

Update a deployment's replicas through the scale subresource using a strategic merge JSON patch

kubectl patch [deploy|deployments] deployment_name --subresource 'scale' --type 'merge' [-p|--patch] '{"spec":{"replicas":number_of_replicas\}\}'

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