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82 lines
2.2 KiB
Markdown
82 lines
2.2 KiB
Markdown
# constellation-node-operator
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// TODO(user): Add simple overview of use/purpose
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## Description
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// TODO(user): An in-depth paragraph about your project and overview of use
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## Getting Started
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You’ll need a Kubernetes cluster to run against. You can use [KIND](https://sigs.k8s.io/kind) to get a local cluster for testing, or run against a remote cluster.
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**Note:** Your controller will automatically use the current context in your kubeconfig file (i.e. whatever cluster `kubectl cluster-info` shows).
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### Running on the cluster
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1. Install Instances of Custom Resources:
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```sh
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kubectl apply -f config/samples/
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```
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2. Build and push your image to the location specified by `IMG`:
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```sh
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make docker-build docker-push IMG=<some-registry>/constellation-node-operator:tag
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```
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3. Deploy the controller to the cluster with the image specified by `IMG`:
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```sh
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make deploy IMG=<some-registry>/constellation-node-operator:tag
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```
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### Uninstall CRDs
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To delete the CRDs from the cluster:
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```sh
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make uninstall
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```
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### Undeploy controller
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UnDeploy the controller to the cluster:
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```sh
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make undeploy
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```
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## Contributing
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// TODO(user): Add detailed information on how you would like others to contribute to this project
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### How it works
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This project aims to follow the Kubernetes [Operator pattern](https://kubernetes.io/docs/concepts/extend-kubernetes/operator/)
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It uses [Controllers](https://kubernetes.io/docs/concepts/architecture/controller/)
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which provides a reconcile function responsible for synchronizing resources untile the desired state is reached on the cluster
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### Test It Out
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1. Install the CRDs into the cluster:
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```sh
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make install
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```
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2. Run your controller (this will run in the foreground, so switch to a new terminal if you want to leave it running):
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```sh
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make run
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```
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**NOTE:** You can also run this in one step by running: `make install run`
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### Modifying the API definitions
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If you are editing the API definitions, generate the manifests such as CRs or CRDs using:
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```sh
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make manifests
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```
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**NOTE:** Run `make --help` for more information on all potential `make` targets
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More information can be found via the [Kubebuilder Documentation](https://book.kubebuilder.io/introduction.html)
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## License
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TODO: add Copyright notice
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