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documentation / kyverno-cli

Kyverno CLI

The Kyverno Command Line Interface (CLI) is designed to validate policies and test the behavior of applying policies to resources before adding the policy to a cluster. It can be used as a kubectl plugin and as a standalone CLI.

Build the CLI

You can build the CLI binary locally, then move the binary into a directory in your PATH.

git clone https://github.com/nirmata/kyverno.git
cd github.com/nirmata/kyverno
make cli
mv ./cmd/cli/kubectl-kyverno/kyverno /usr/local/bin/kyverno

Install via AUR (archlinux)

You can install the kyverno cli via your favourite AUR helper (e.g. yay)

yay -S kyverno-git

Commands

Version

Prints the version of kyverno used by the CLI.

Example:

kyverno version

Validate

Validates a policy, can validate multiple policy resource description files or even an entire folder containing policy resource description files. Currently supports files with resource description in yaml.

Example:

kyverno validate /path/to/policy1.yaml /path/to/policy2.yaml /path/to/folderFullOfPolicies

Apply

Applies policies on resources, and supports applying multiple policies on multiple resources in a single command. Also supports applying the given policies to an entire cluster. The current kubectl context will be used to access the cluster. Will return results to stdout.

Apply to a resource:

kyverno apply /path/to/policy.yaml --resource /path/to/resource.yaml

Apply to all matching resources in a cluster:

kyverno apply /path/to/policy.yaml --cluster > policy-results.txt

Apply multiple policies to multiple resources:

kyverno apply /path/to/policy1.yaml /path/to/folderFullOfPolicies --resource /path/to/resource1.yaml --resource /path/to/resource2.yaml --cluster

Read Next >> Sample Policies