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Karmada hack GuideLines

This document describes how you can use the scripts from the hack directory and gives a brief introduction and explanation of these scripts.

Scripts in this directory are mainly for the purpose which improves development efficiency and ensures development quality.

Key scripts

For end-user

local-up-karmada.sh This script will quickly set up a local development environment with member clusters based on the current codebase.
local-down-karmada.sh This script will clean up the whole local deployment environment installed by the previous local-up-karmada.sh script.
remote-up-karmada.sh This script will install Karmada to a standalone K8s cluster, this cluster may be real, remote , and even for production. It is worth noting for the connectivity from your client to Karmada API server, it will directly use host network by default, else export LOAD_BALANCER=true with the LoadBalancer type service before the following script. If your want to customize a load balancer service, you may add the annotations at the metadata part of service karmada-apiserver in ../artifacts/deploy/karmada-apiserver.yaml before the installing. The following is an example.

  # If you want to use a internal IP in public cloud you need to fill the following annotation, 
  # For the more annotation settings please read your public cloud docs
  annotations: 
    # Aliyun cloud
    #service.beta.kubernetes.io/alibaba-cloud-loadbalancer-address-type: "intranet"
    # Huawei cloud
    #kubernetes.io/elb.autocreate: '{"type":"inner"}'
    # Tencent cloud (you need to replace words 'xxxxxxxx')
    #service.kubernetes.io/qcloud-loadbalancer-internal-subnetid: subnet-xxxxxxxx

The usage of remote-up-karmada.sh:

# hack/remote-up-karmada.sh <kubeconfig> <context_name>

kubeconfig is your cluster's kubeconfig that you want to install to

context_name is the name of context in 'kubeconfig'

deploy-karmada-agent.sh This script will install Karmada Agent to the specific cluster.
deploy-scheduler-estimator.sh This script will only install Karmada Scheduler Estimator to the specific cluster. Please follow the instruction for more details.
deploy-agent-and-estimator.sh This script will install Karmada Agent and Karmada Scheduler Estimator to the specific cluster together. If applied, there is no need to use the extra deploy-karmada-agent.sh and deploy-scheduler-estimator.sh script.
undeploy-karmada.sh This script will uninstall Karmada from the specific cluster. It will uninstall Karmada from your local environment default. If you installed Karmada with remote-up-karmada.sh, please use it like this: hack/undeploy-karmada.sh <KUBECONFIG> <CONTEXT_NAME>, the same parameters as you input at the installing step.
delete-cluster.sh This script delete a kube cluster by kind, please use it like this: hack/delete-cluster.sh.sh <CLUSTER_NAME> <KUBECONFIG>

For CI pipeline

local-up-karmada.sh This script also used for testing.
run-e2e.sh This script runs e2e test against on Karmada control plane. You should prepare your environment in advance with local-up-karmada.sh.

Some internal scripts

These scripts are not intended used by end-users, just for the development

deploy-karmada.sh Underlying common implementation for local-up-karmada.sh and remote-up-karmada.sh.
util.sh All util functions.

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