infra

README

controller

Infra controller, apply any infra resource your want.

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>/controller:tag

1. Deploy the controller to the cluster with the image specified by IMG:

make deploy IMG=<some-registry>/controller:tag

Uninstall CRDs

To delete the CRDs from the cluster:

make uninstall

Undeploy controller

UnDeploy the controller to the cluster:

make undeploy

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

Infra AMI configmap

Expose the virtual machine image id to all users，read-only.

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

More information can be found via the Kubebuilder Documentation

Create infra

infra.yaml:

apiVersion: infra.sealos.io/v1
kind: Infra
metadata:
  name: infra-apply-test
spec:
  hosts:
  - roles: [master] # required
    count: 3 # Required
    flavor: "t2.micro"
    image: "ami-05248307900d52e3a"
  - roles: [ node ] # required
    count: 3 # Required
    flavor: "t2.micro"
    image: "ami-05248307900d52e3a"

kubectl apply -f infra.yaml

Scale down:

apiVersion: infra.sealos.io/v1
kind: Infra
metadata:
  name: infra-apply-test
spec:
  hosts:
  - roles: [master] # required
    count: 1 # Required
    flavor: "t2.micro"
    image: "ami-05248307900d52e3a"
  - roles: [ node ] # required
    count: 1 # Required
    flavor: "t2.micro"
    image: "ami-05248307900d52e3a"

kubectl apply -f infra.yaml

Scale up:

apiVersion: infra.sealos.io/v1
kind: Infra
metadata:
  name: infra-apply-test
spec:
  hosts:
    - roles: [ master ]
      count: 1
      flavor: t2.medium
      image: "ami-0d66b970b9f16f1f5"
      disks:
        - capacity: 23
          volumeType: standard
          type: "root"
        - capacity: 21
          volumeType: gp3
          type: "data"
    - roles: [ node ]
      count: 1
      flavor: t2.medium
      image: "ami-0d66b970b9f16f1f5"
      disks:
        - capacity: 11
          volumeType: gp3
          type: "root"
        - capacity: 13
          volumeType: gp3
          type: "data"

kubectl apply -f infra.yaml

Clean infra:

kubectl delete -f infra.yaml

License

Copyright 2022 labring.

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.