keycloakclient-controller

command module
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Published: Jan 28, 2023 License: Apache-2.0 Imports: 18 Imported by: 0

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keycloakclient-controller

The keycloakclient-controller manages Keycloak Clients in independent Keycloak Installations.

To create a KeycloakClient in a Keycloak Installation, a KeycloakClient-CustomResource is created, and the keycloakclient-controller sees to creating, changing, deleting the KeycloakClient as specified with the CustomResource.

Description

This Operator has it's origin from the Legacy Keycloak Operator. If you look for the official KeycloakOperator from RedHat, please look into the KeycloakOperator.

The Operator is opinionated in a way that it expects that Keycloak and the KeyclokRealm are already set up (i.e. with one of the available Helm Charts) and it only has to handle the KeycloakClients for a Keycloak Installation and a specific realm.

This fits our need as we set up Keycloak and the realm with Helm, and we have a lot of microservices that require their own KeycloakClient. The Microservices are deployed via Helm and it is easy to simply deploy a KeycloakClient Resource together with the other artefacts of the Microservice and let the Operator handle the creation of the KeycloakClient in Keycloak.

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:
make install
  1. Build and push your image to the location specified by IMG:
make docker-build docker-push IMG=<some-registry>/keycloakclient-controller:tag
  1. Deploy the controller to the cluster with the image specified by IMG:
make deploy IMG=<some-registry>/keycloakclient-controller:tag

Uninstall CRDs

To delete the CRDs from the cluster:

make uninstall

Undeploy controller

UnDeploy the controller to the cluster:

make undeploy

Contributing

// TODO(user): Add detailed information on how you would like others to contribute to this project

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

  1. Install the CRDs into the cluster:
make install
  1. Run your controller (this will run in the foreground, so switch to a new terminal if you want to leave it running):
make run

NOTE: You can also run this in one step by running: make install run

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.

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.

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Documentation

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There is no documentation for this package.

Directories

Path Synopsis
api
v1alpha1
Package v1alpha1 contains API Schema definitions for the keycloak v1alpha1 API group +kubebuilder:object:generate=true +groupName=keycloak.org
Package v1alpha1 contains API Schema definitions for the keycloak v1alpha1 API group +kubebuilder:object:generate=true +groupName=keycloak.org
pkg
client/clientset/versioned
This package has the automatically generated clientset.
This package has the automatically generated clientset.
client/clientset/versioned/fake
This package has the automatically generated fake clientset.
This package has the automatically generated fake clientset.
client/clientset/versioned/scheme
This package contains the scheme of the automatically generated clientset.
This package contains the scheme of the automatically generated clientset.
client/clientset/versioned/typed/keycloak/v1alpha1
This package has the automatically generated typed clients.
This package has the automatically generated typed clients.
client/clientset/versioned/typed/keycloak/v1alpha1/fake
Package fake has the automatically generated clients.
Package fake has the automatically generated clients.
client/versioned
This package has the automatically generated clientset.
This package has the automatically generated clientset.
client/versioned/fake
This package has the automatically generated fake clientset.
This package has the automatically generated fake clientset.
client/versioned/scheme
This package contains the scheme of the automatically generated clientset.
This package contains the scheme of the automatically generated clientset.
client/versioned/typed/keycloak/v1alpha1
This package has the automatically generated typed clients.
This package has the automatically generated typed clients.
client/versioned/typed/keycloak/v1alpha1/fake
Package fake has the automatically generated clients.
Package fake has the automatically generated clients.
test
e2e

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