228 lines
8.6 KiB
Go
228 lines
8.6 KiB
Go
/*
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Copyright 2021 The Karmada Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package utils
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import (
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"fmt"
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"k8s.io/klog/v2"
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"github.com/karmada-io/karmada/pkg/karmadactl/cmdinit/options"
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)
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const (
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// https://github.com/karmada-io/karmada/blob/master/artifacts/agent
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karmadaAgent = `---
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apiVersion: v1
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kind: Namespace
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metadata:
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name: karmada-system
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRole
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metadata:
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name: karmada-agent
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rules:
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- apiGroups: ['*']
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resources: ['*']
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verbs: ['*']
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- nonResourceURLs: ['*']
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verbs: ["get"]
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRoleBinding
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metadata:
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name: karmada-agent
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roleRef:
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apiGroup: rbac.authorization.k8s.io
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kind: ClusterRole
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name: karmada-agent
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subjects:
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- kind: ServiceAccount
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name: karmada-agent-sa
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namespace: karmada-system
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---
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: karmada-agent-sa
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namespace: karmada-system
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: karmada-agent
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namespace: karmada-system
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labels:
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app: karmada-agent
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: karmada-agent
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template:
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metadata:
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labels:
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app: karmada-agent
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spec:
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serviceAccountName: karmada-agent-sa
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tolerations:
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- key: node-role.kubernetes.io/master
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operator: Exists
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containers:
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- name: karmada-agent
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image: docker.io/karmada/karmada-agent:latest
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command:
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- /bin/karmada-agent
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- --karmada-kubeconfig=/etc/kubeconfig/karmada-kubeconfig
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- --karmada-context=%s
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- --cluster-name={member_cluster_name}
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- --cluster-api-endpoint={member_cluster_api_endpoint}
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- --cluster-status-update-frequency=10s
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- --health-probe-bind-address=0.0.0.0:10357
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- --v=4
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livenessProbe:
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httpGet:
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path: /healthz
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port: 10357
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scheme: HTTP
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failureThreshold: 3
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initialDelaySeconds: 15
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periodSeconds: 15
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timeoutSeconds: 5
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volumeMounts:
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- name: kubeconfig
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mountPath: /etc/kubeconfig
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volumes:
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- name: kubeconfig
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secret:
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secretName: karmada-kubeconfig`
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estimator = `apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: karmada-scheduler-estimator-{{member_cluster_name}}
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namespace: karmada-system
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labels:
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cluster: {{member_cluster_name}}
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: karmada-scheduler-estimator-{{member_cluster_name}}
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template:
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metadata:
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labels:
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app: karmada-scheduler-estimator-{{member_cluster_name}}
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spec:
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tolerations:
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- key: node-role.kubernetes.io/master
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operator: Exists
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containers:
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- name: karmada-scheduler-estimator
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image: docker.io/karmada/karmada-scheduler-estimator:latest
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imagePullPolicy: IfNotPresent
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command:
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- /bin/karmada-scheduler-estimator
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- --kubeconfig=/etc/{{member_cluster_name}}-kubeconfig
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- --cluster-name={{member_cluster_name}}
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- --metrics-bind-address=0.0.0.0:8080
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- --health-probe-bind-address=0.0.0.0:10351
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volumeMounts:
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- name: member-kubeconfig
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subPath: {{member_cluster_name}}-kubeconfig
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mountPath: /etc/{{member_cluster_name}}-kubeconfig
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volumes:
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- name: member-kubeconfig
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secret:
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secretName: {{member_cluster_name}}-kubeconfig
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: karmada-scheduler-estimator-{{member_cluster_name}}
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namespace: karmada-system
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labels:
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cluster: {{member_cluster_name}}
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spec:
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selector:
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app: karmada-scheduler-estimator-{{member_cluster_name}}
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ports:
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- protocol: TCP
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port: 10352
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targetPort: 10352`
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)
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// GenExamples Generate sample files
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func GenExamples(path, parentCommand string) {
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karmadaAgentStr := fmt.Sprintf(karmadaAgent, options.ClusterName)
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if err := BytesToFile(path, "karmada-agent.yaml", []byte(karmadaAgentStr)); err != nil {
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klog.Warning(err)
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}
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// https://github.com/karmada-io/karmada/blob/master/artifacts/deploy/karmada-scheduler-estimator.yaml
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if err := BytesToFile(path, "karmada-scheduler-estimator.yaml", []byte(estimator)); err != nil {
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klog.Warning(err)
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}
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fmt.Printf(`
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------------------------------------------------------------------------------------------------------
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█████ ████ █████████ ███████████ ██████ ██████ █████████ ██████████ █████████
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░░███ ███░ ███░░░░░███ ░░███░░░░░███ ░░██████ ██████ ███░░░░░███ ░░███░░░░███ ███░░░░░███
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░███ ███ ░███ ░███ ░███ ░███ ░███░█████░███ ░███ ░███ ░███ ░░███ ░███ ░███
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░███████ ░███████████ ░██████████ ░███░░███ ░███ ░███████████ ░███ ░███ ░███████████
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░███░░███ ░███░░░░░███ ░███░░░░░███ ░███ ░░░ ░███ ░███░░░░░███ ░███ ░███ ░███░░░░░███
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░███ ░░███ ░███ ░███ ░███ ░███ ░███ ░███ ░███ ░███ ░███ ███ ░███ ░███
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█████ ░░████ █████ █████ █████ █████ █████ █████ █████ █████ ██████████ █████ █████
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░░░░░ ░░░░ ░░░░░ ░░░░░ ░░░░░ ░░░░░ ░░░░░ ░░░░░ ░░░░░ ░░░░░ ░░░░░░░░░░ ░░░░░ ░░░░░
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------------------------------------------------------------------------------------------------------
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Karmada is installed successfully.
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Register Kubernetes cluster to Karmada control plane.
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Register cluster with 'Push' mode
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Step 1: Use "%[2]s join" command to register the cluster to Karmada control plane. --cluster-kubeconfig is kubeconfig of the member cluster.
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(In karmada)~# MEMBER_CLUSTER_NAME=$(cat ~/.kube/config | grep current-context | sed 's/: /\n/g'| sed '1d')
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(In karmada)~# %[2]s --kubeconfig %[1]s/karmada-apiserver.config join ${MEMBER_CLUSTER_NAME} --cluster-kubeconfig=$HOME/.kube/config
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Step 2: Show members of karmada
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(In karmada)~# kubectl --kubeconfig %[1]s/karmada-apiserver.config get clusters
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Register cluster with 'Pull' mode
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Step 1: Create bootstrap token and generate the '%[2]s register' command which will be used later.
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~# %[2]s token create --print-register-command --kubeconfig=%[1]s/karmada-apiserver.config
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This command will generate a registration command similar to:
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%[2]s register 172.18.0.5:5443 --token t8xfio.640u9gp9obc72v5d --discovery-token-ca-cert-hash sha256:9cfa542ff48f43793d1816b1dd0a78ad574e349d8f6e005e6e32e8ab528e4244
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Step 2: Use the output from Step 1 to register the cluster to the Karmada control plane.
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You need to specify the target member cluster by flag '--kubeconfig'
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~# %[2]s register 172.18.0.5:5443 --token t8xfio.640u9gp9obc72v5d --discovery-token-ca-cert-hash sha256:9cfa542ff48f43793d1816b1dd0a78ad574e349d8f6e005e6e32e8ab528e4244 --kubeconfig=<path-to-member-cluster-kubeconfig>
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Step 3: Show members of Karmada.
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~# %[2]s --kubeconfig=%[1]s/karmada-apiserver.config get clusters
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The %[2]s register command has several optional parameters for setting the properties of the member cluster. For more details, run:
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~# %[2]s register --help
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`, path, parentCommand)
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}
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