Knowledge Discovery 26.1
Getting Started Guide

# Helm Chart Values

The values.yaml file provides configuration options for this chart. It contains documentation for the Helm chart values. Some important values are described in more detail below.

NOTE: You can also see all the Helm chart values from the repository by adding the repository to your machine and viewing the helm values.

To add the repository to your machine, run the following command:

    helm repo add opentext-idol https://raw.githubusercontent.com/opentext-idol/idol-containers-toolkit/main/helm

To show the Helm chart values, run the following command:

    helm show values opentext-idol/distributed-idol

## Required Values

The following table describes required Helm chart values that do not have default values. You must set these values by using one of the `--set`, `--set-file`,`--set-string`, or `--values` flags in the `helm install` command:

Value | Description
--- | ---
licenseServerIp | The IP address of the License Server containing the license key required to run the components in this chart.
licenseServerPort | The port of the License Server containing the license key required to run the components in this chart.

NOTE: You can also modify the values.yaml file and include the values there if you don't want to specify them as part of the command.

## Required Secrets

The following table describes the Helm chart secrets that are required to run the containers:

Secret | Description
--- | ---
dockerhub-secret | Used to pull images from Docker Hub
cm-adapter-serving-certs | Used for autoscaling, contains a TLS certificate and private key

The Helm chart pulls images from Docker Hub, and it requires a Kubernetes secret called `dockerhub-secret`. This secret must contain the credentials required to retrieve the images from Docker Hub. Access to the Knowledge Discovery images on dockerhub is restricted to the user `microfocusidolreadonly`. You can create this secret by using the following command, substituting your own API token.

    kubectl create secret docker-registry dockerhub-secret --docker-username=microfocusidolreadonly --docker-password=${DOCKERHUB_APITOKEN}

If a different name is required for this Kubernetes secret, override the `imagePullSecrets` list value.

The `cm-adapter-serving-certs` secret used by the custom metrics adapter can be generated given certificate and key files by e.g. `kubectl create secret generic cm-adapter-serving-certs --from-file=serving.crt --from-file=serving.key`. See certgen/README.md directory for a helper script to generate these.

## Optional Helm Chart Values

There are some Helm chart values and secrets that are optional:

Value/Secret | Description
--- | ---
httpProxy | The URL of a HTTP proxy that the installation will have to use to access the external internet. If not set, no http proxying is configured.
imagePullSecrets | If a private repository is specified for pulling the Knowledge Discovery images (i.e. by overriding `idolImageRegistry`) then `imagePullSecrets` will also require the name of a Kubernetes secret holding the credentials for pulling from this private repository.

Copyright 2025 Open Text
Version 26.1 | Last updated January 2026

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Product: Knowledge Discovery 26.1

Topic Title: Helm Chart Values