Create a DevOps Kubeconfig on AWS

If you have trouble deploying applications into your project when running a pipeline on your AWS cluster with KubeSphere installed, it may be caused by the issue of DevOps kubeconfig. This tutorial demonstrates how to create a DevOps kubeconfig on AWS.

Prerequisites

  • You have an AWS cluster with KubeSphere installed. For more information about how to install KubeSphere on AWS, refer to Deploy KubeSphere on AWS EKS.
  • You have enabled the KubeSphere DevOps system.
  • You have a project available for deploying applications. This tutorial uses the project kubesphere-sample-dev as an example.

Create a DevOps Kubeconfig

Step 1: Create a Service Account

  1. Create a devops-deploy.yaml file on your AWS cluster and enter the following contents.

    1. ---
    2. apiVersion: v1
    3. kind: ServiceAccount
    4. metadata:
    5.   name: devops-deploy
    6.   namespace: kubesphere-sample-dev
    7. ---
    8. apiVersion: rbac.authorization.k8s.io/v1
    9. kind: Role
    10. metadata:
    11.   name: devops-deploy-role
    12.   namespace: kubesphere-sample-dev
    13. rules:
    14. - apiGroups:
    15.   - "*"
    16.   resources:
    17.   - "*"
    18.   verbs:
    19.   - "*"
    20. ---
    21. apiVersion: rbac.authorization.k8s.io/v1
    22. kind: RoleBinding
    23. metadata:
    24.   name: devops-deploy-rolebinding
    25.   namespace: kubesphere-sample-dev
    26. roleRef:
    27.   apiGroup: rbac.authorization.k8s.io
    28.   kind: Role
    29.   name: devops-deploy-role
    30. subjects:
    31. - kind: ServiceAccount
    32.   name: devops-deploy
    33.   namespace: kubesphere-sample-dev

  2. Run the following command to apply the YAML file.

    1. kubectl apply -f devops-deploy.yaml

Step 2: Get the Service Account Token

  1. Run the following command to get the Service Account token.

    1. export TOKEN_NAME=$(kubectl -n kubesphere-sample-dev get sa devops-deploy -o jsonpath='{.secrets[0].name}')
    2. kubectl -n kubesphere-sample-dev get secret "${TOKEN_NAME}" -o jsonpath='{.data.token}' | base64 -d

  2. The output is similar to the following:

    get-token

Step 3: Create a DevOps kubeconfig

  1. Log in to your KubeSphere console of the AWS cluster and go to your DevOps project. Go to Credentials under DevOps Project Settings, and then click Create. You can name this kubeconfig based on your needs.

  2. In the Content text box, pay attention to the following contents:

    1. user:
    2.     client-certificate-data: LS0tLS1CRUdJTiBDRVJUSUZJQ0FUR...
    3.     client-key-data: LS0tLS1CRUdJTiBQUk...

    You have to replace them with the token retrieved in step 2, then click OK to create the kubeconfig.

    1. user:
    2.   token:eyJhbGciOiJSUzI1NiIsImtpZCI6Ikl3UkhCay13dHpPY2Z6LW9VTlZKQVR6dVdmb2FHallJQ2E4VzJULUNjUzAifQ.eyJpc3MiOiJrdWJlcm5ldGVzL3NlcnZpY2VhY2NvdW50Iiwia3ViZXJuZXRlcy5pby9zZXJ2aWNlYWNjb3VudC9uYW1lc3BhY2UiOiJrdWJlc3BoZXJlLXNhbXBsZS1kZXYiLCJrdWJlcm5ldGVzLmlvL3NlcnZpY2VhY2NvdW50L3NlY3JldC5uYW1lIjoiZGV2b3BzLWRlcGxveS10b2tlbi1kcGY2ZiIsImt1YmVybmV0ZXMuaW8vc2VydmljZWFjY291bnQvc2VydmljZS1hY2NvdW50Lm5hbWUiOiJkZXZvcHMtZGVwbG95Iiwia3ViZXJuZXRlcy5pby9zZXJ2aWNlYWNjb3VudC9zZXJ2aWNlLWFjY291bnQudWlkIjoiMjM0ZTI4OTUtMjM3YS00M2Y5LTkwMTgtZDg4YjY2YTQyNzVmIiwic3ViIjoic3lzdGVtOnNlcnZpY2VhY2NvdW50Omt1YmVzcGhlcmUtc2FtcGxlLWRldjpkZXZvcHMtZGVwbG95In0.Ls6mkpgAU75zVw87FkcWx-MLEXGcJjlnb4rUVtT61Jmc_G6jkn4X45MK1V_HuLje3JZMFjL80QUl5ljHLiCUPQ7oE5AUZaUCdqZVdDYEhqeFuGQb_7Qlh8-UFVGGg8vrb0HeGiOlS0qq5hzwKc9C1OmsXHS92yhNwz9gIOujZRafnGKIsG6TL2hEVY2xI0vvmseDKmKg5o0TbeaTMVePHvECju9Qz3Z7TUYsr7HAOvCPtGutlPWLqGx5uOHenOdeLn71x5RoS98xguZoxYVollciPKCQwBlZ4zWK2hzsLSNNLb9cZpxtgUVyHE0AB0e86IHRngnnNrzpp1_pDxL5jw/

    Note

    Make sure you use your own token.

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