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Project layout for Ansible-based Operators

The operator-sdk CLI can generate, or scaffold, a number of packages and files for each Operator project.

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 OpenShift Container Platform. 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 OpenShift Container Platform 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 OpenShift Container Platform 4.16 to maintain their projects and create Operator releases targeting newer versions of OpenShift Container Platform.

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 OpenShift Container Platform, refer to the Deprecated and removed features section of the OpenShift Container Platform release notes.

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

Ansible-based project layout

Ansible-based Operator projects generated using the operator-sdk init --plugins ansible command contain the following directories and files:

File or directory Purpose

Dockerfile

Dockerfile for building the container image for the Operator.

Makefile

Targets for building, publishing, deploying the container image that wraps the Operator binary, and targets for installing and uninstalling the custom resource definition (CRD).

PROJECT

YAML file containing metadata information for the Operator.

config/crd

Base CRD files and the kustomization.yaml file settings.

config/default

Collects all Operator manifests for deployment. Use by the make deploy command.

config/manager

Controller manager deployment.

config/prometheus

ServiceMonitor resource for monitoring the Operator.

config/rbac

Role and role binding for leader election and authentication proxy.

config/samples

Sample resources created for the CRDs.

config/testing

Sample configurations for testing.

playbooks/

A subdirectory for the playbooks to run.

roles/

Subdirectory for the roles tree to run.

watches.yaml

Group/version/kind (GVK) of the resources to watch, and the Ansible invocation method. New entries are added by using the create api command.

requirements.yml

YAML file containing the Ansible collections and role dependencies to install during a build.

molecule/

Molecule scenarios for end-to-end testing of your role and Operator.