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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.

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.