karmada

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Signed-off-by: lonelyCZ [email protected]

What type of PR is this? /kind feature

What this PR does / why we need it:

Which issue(s) this PR fixes: Part of #2282

Special notes for your reviewer:

[root@master67 karmada]# kubectl get configmap -n kube-public cluster-info -o yaml --kubeconfig /etc/karmada/karmada-apiserver.config
apiVersion: v1
data:
  kubeconfig: |
    apiVersion: v1
    clusters:
    - cluster:
        certificate-authority-data: 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
        server: https://10.10.103.67:32443
      name: ""
    contexts: null
    current-context: ""
    kind: Config
    preferences: {}
    users: null
kind: ConfigMap
metadata:
  creationTimestamp: "2022-08-02T08:57:36Z"
  name: cluster-info
  namespace: kube-public
  resourceVersion: "255"
  uid: 7b15f4bf-84a4-4ae4-b6fa-311db4c80788

[root@master67 karmada]# curl https://10.10.103.67:32443/api/v1/namespaces/kube-public/configmaps/cluster-info -k
{
  "kind": "ConfigMap",
  "apiVersion": "v1",
  "metadata": {
    "name": "cluster-info",
    "namespace": "kube-public",
    "uid": "7b15f4bf-84a4-4ae4-b6fa-311db4c80788",
    "resourceVersion": "255",
    "creationTimestamp": "2022-08-02T08:57:36Z",
    "managedFields": [
      {
        "manager": "karmadactl",
        "operation": "Update",
        "apiVersion": "v1",
        "time": "2022-08-02T08:57:36Z",
        "fieldsType": "FieldsV1",
        "fieldsV1": {
          "f:data": {
            ".": {},
            "f:kubeconfig": {}
          }
        }
      }
    ]
  },
  "data": {
    "kubeconfig": "apiVersion: v1\nclusters:\n- cluster:\n    certificate-authority-data: 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\n    server: https://10.10.103.67:32443\n  name: \"\"\ncontexts: null\ncurrent-context: \"\"\nkind: Config\npreferences: {}\nusers: null\n"
  }
}

Does this PR introduce a user-facing change?:

NONE

I will review it ASAP this week.

I will review it ASAP this week.

No hurry, I plan to demostrate the whole functions(#2282) in next community meeting. We can review the codes after collecting more suggestions.

/cc @RainbowMango

/assign Start working on it.

I'm not familiar with the open cluster-info, seems we set the CA certificates to a configmap named cluster-info, am I right?

The certificate will be used to sign certificates by other system/components, right?

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: RainbowMango

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