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Installation from Source

This document describes how you can use the hack/remote-up-karmada.sh script to install Karmada on your clusters based on the codebase.

Select a way to expose karmada-apiserver

The hack/remote-up-karmada.sh will install karmada-apiserver and provide two ways to expose the server:

1. expose by HostNetwork type

By default, the hack/remote-up-karmada.sh will expose karmada-apiserver by HostNetwork.

No extra operations are needed with this type.

2. expose by service with LoadBalancer type

If you don't want to use the HostNetwork, you can ask hack/remote-up-karmada.sh to expose karmada-apiserver by a service with LoadBalancer type that requires your cluster to have deployed the Load Balancer. All you need to do is set an environment:

export LOAD_BALANCER=true

Install

From the root directory of the karmada repo, install Karmada by command:

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'

For example:

hack/remote-up-karmada.sh $HOME/.kube/config mycluster

If everything goes well, at the end of the script output, you will see similar messages as follows:

------------------------------------------------------------------------------------------------------
█████   ████   █████████   ███████████   ██████   ██████   █████████   ██████████     █████████
░░███   ███░   ███░░░░░███ ░░███░░░░░███ ░░██████ ██████   ███░░░░░███ ░░███░░░░███   ███░░░░░███
░███  ███    ░███    ░███  ░███    ░███  ░███░█████░███  ░███    ░███  ░███   ░░███ ░███    ░███
░███████     ░███████████  ░██████████   ░███░░███ ░███  ░███████████  ░███    ░███ ░███████████
░███░░███    ░███░░░░░███  ░███░░░░░███  ░███ ░░░  ░███  ░███░░░░░███  ░███    ░███ ░███░░░░░███
░███ ░░███   ░███    ░███  ░███    ░███  ░███      ░███  ░███    ░███  ░███    ███  ░███    ░███
█████ ░░████ █████   █████ █████   █████ █████     █████ █████   █████ ██████████   █████   █████
░░░░░   ░░░░ ░░░░░   ░░░░░ ░░░░░   ░░░░░ ░░░░░     ░░░░░ ░░░░░   ░░░░░ ░░░░░░░░░░   ░░░░░   ░░░░░
------------------------------------------------------------------------------------------------------
Karmada is installed successfully.

Kubeconfig for karmada in file: /root/.kube/karmada.config, so you can run:
  export KUBECONFIG="/root/.kube/karmada.config"
Or use kubectl with --kubeconfig=/root/.kube/karmada.config
Please use 'kubectl config use-context karmada-apiserver' to switch the cluster of karmada control plane
And use 'kubectl config use-context your-host' for debugging karmada installation