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Updating <strong>helm</strong>-based projects - Developing Operators | Operators | OKD 4
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Updating helm-based projects for newer Operator SDK versions

OKD 4 supports Operator SDK 1.36.1. If you already have the 1.31.0 CLI installed on your workstation, you can update the CLI to 1.36.1 by installing the latest version.

The Red Hat-supported version of the Operator SDK CLI tool, including the related scaffolding and testing tools for Operator projects, is deprecated and is planned to be removed in a future release of OKD. Red Hat will provide bug fixes and support for this feature during the current release lifecycle, but this feature will no longer receive enhancements and will be removed from future OKD releases.

The Red Hat-supported version of the Operator SDK is not recommended for creating new Operator projects. Operator authors with existing Operator projects can use the version of the Operator SDK CLI tool released with OKD 4 to maintain their projects and create Operator releases targeting newer versions of OKD.

The following related base images for Operator projects are not deprecated. The runtime functionality and configuration APIs for these base images are still supported for bug fixes and for addressing CVEs.

  • The base image for Ansible-based Operator projects

  • The base image for helm-based Operator projects

For the most recent list of major functionality that has been deprecated or removed within OKD, refer to the Deprecated and removed features section of the OKD release notes.

For information about the unsupported, community-maintained, version of the Operator SDK, see Operator SDK (Operator Framework).

However, to ensure your existing Operator projects maintain compatibility with Operator SDK 1.36.1, update steps are required for the associated breaking changes introduced since 1.31.0. You must perform the update steps manually in any of your Operator projects that were previously created or maintained with 1.31.0.

Updating helm-based Operator projects for Operator SDK 1.36.1

The following procedure updates an existing helm-based Operator project for compatibility with 1.36.1.

Prerequisites

  • Operator SDK 1.36.1 installed

  • An Operator project created or maintained with Operator SDK 1.31.0

Procedure

  1. Edit your Operator project’s Makefile to update the Operator SDK version to 1.36.1, as shown in the following example:

    Example Makefile
    # Set the Operator SDK version to use. By default, what is installed on the system is used.
# This is useful for CI or a project to utilize a specific version of the operator-sdk toolkit.
OPERATOR_SDK_VERSION ?= v1.36.1 (1)
    1 Change the version from 1.31.0 to 1.36.1.

  2. Edit your Operator’s Dockerfile to update the ose-helm-rhel9-operator image tag to 4, as shown in the following example:

    Example Dockerfile
    FROM registry.redhat.io/openshift4/ose-helm-rhel9-operator:v4

  3. The kustomize/v2 plugin is now stable and is the default version used in the plugin chain when using go/v4, ansible/v1, helm/v1, and hybrid/v1-alpha plugins. For more information on this default scaffold, see Kustomize v2 in the Kubebuilder documentation.

  4. If your Operator project uses a multi-platform, or multi-archicture, build, replace the existing docker-buildx target with following definition in your project Makefile:

    Example Makefile
    docker-buildx:
## Build and push the Docker image for the manager for multi-platform support
	- docker buildx create --name project-v3-builder
	docker buildx use project-v3-builder
	- docker buildx build --push --platform=$(PLATFORMS) --tag ${IMG} -f Dockerfile .
	- docker buildx rm project-v3-builder

  5. You must upgrade the Kubernetes versions in your Operator project to use 1.29. The following changes must be made in your project structure, Makefile, and go.mod files.

    The go/v3 plugin is being deprecated by Kubebuilder, therefore Operator SDK is also migrating to go/v4 in a future release.

    1. Update your go.mod file to upgrade your dependencies:

      k8s.io/api v0.29.2
k8s.io/apimachinery v0.29.2
k8s.io/client-go v0.29.2
sigs.k8s.io/controller-runtime v0.17.3

    2. Download the upgraded dependencies by running the following command:

      $ go mod tidy

  6. Update the Kustomize version in your Makefile by making the following changes:

    - curl -sSLo - https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize/v5.2.1/kustomize_v5.2.1_$(OS)_$(ARCH).tar.gz | \
+ curl -sSLo - https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize/v5.3.0/kustomize_v5.3.0_$(OS)_$(ARCH).tar.gz | \

Additional resources