operator-controller

module
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Published: Dec 14, 2023 License: Apache-2.0

README

operator-controller

The operator-controller is the central component of Operator Lifecycle Manager (OLM) v1. It extends Kubernetes with an API through which users can install extensions.

Description

OLM v1 is the follow-up to OLM v0, located here. It consists of four different components, including this one, which are as follows:

Getting Started

You’ll need a Kubernetes cluster to run against. You can use KIND to get a local cluster for testing, or run against a remote cluster. Note: Your controller will automatically use the current context in your kubeconfig file (i.e. whatever cluster kubectl cluster-info shows).

Running on the cluster
  1. Install Instances of Custom Resources:
kubectl apply -f config/samples/
  1. Build and push your image to the location specified by IMG:
make docker-build docker-push IMG=<some-registry>/operator-controller:tag
  1. Deploy the controller to the cluster with the image specified by IMG:
make deploy IMG=<some-registry>/operator-controller:tag
Uninstall CRDs

To delete the CRDs from the cluster:

make uninstall
Undeploy controller

UnDeploy the controller to the cluster:

make undeploy

Contributing

Refer to CONTRIBUTING.md for more information.

How it works

This project aims to follow the Kubernetes Operator pattern

It uses Controllers which provides a reconcile function responsible for synchronizing resources untile the desired state is reached on the cluster

Test It Out

Install the CRDs and the operator-controller into a new KIND cluster:

make run

This will build a local container image of the operator-controller, create a new KIND cluster and then deploy onto that cluster. This will also deploy the catalogd, rukpak and cert-manager dependencies.

Modifying the API definitions

If you are editing the API definitions, generate the manifests such as CRs or CRDs using:

make manifests

NOTE: Run make help for more information on all potential make targets

More information can be found via the Kubebuilder Documentation

License

Copyright 2022-2023.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Directories

Path Synopsis
api
v1alpha1
Package v1alpha1 contains API Schema definitions for the olm v1alpha1 API group +kubebuilder:object:generate=true +groupName=olm.operatorframework.io
Package v1alpha1 contains API Schema definitions for the olm v1alpha1 API group +kubebuilder:object:generate=true +groupName=olm.operatorframework.io
cmd
internal
pkg
test

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