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Configuring Webhooks

The WSO2 Kubernetes Gateway installs three types of webhooks by default.

  • Validation Webhooks: Ensure CRDs meet specific rules before being accepted.
  • Mutation Webhooks: Modify or add default values to CRDs before they are stored.
  • Conversion Webhooks: Convert CRD objects between different API versions for backward compatibility.

Enabling/Disabling webhooks

There are two sections in which webhooks are configured in the values.yaml file.

  1. wso2.apk.webhooks section

This section handles the custom validation, mutation and conversion webhooks developed for WSO2 Kubernetes Gateway specific CRDs. These can be individually enabled/disabled from the below configuration in the values.yaml file.

wso2:
    .
  apk:
    .
    webhooks:
      validatingwebhookconfigurations: true
      mutatingwebhookconfigurations: true
      conversionwebhookconfigurations: true
2. gatewaySystem section

This section enables the installation of gateway system components. This can be enabled/disabled using the below configuration in the values.yaml file.

gatewaySystem:
    enabled: true

After doing changes to the values.yaml file, you can redeploy the WSO2 Kubernetes Gateway installation with

helm upgrade apk wso2apk/apk-helm --version 1.3.0 -f values.yaml --no-hooks

helm upgrade <chart-name> <repository-name>/apk-helm --version <version-of-WSO2-Kubernetes-Gateway> -f <path-to-values.yaml-file> --no-hooks