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Understanding the process#

Sumit Rawal answered on June 23, 2023 Popularity 1/10 Helpfulness 1/10

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  • The process#

  • Understanding the process#

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    Each request to the API goes through three stages.

    Authentication

    Authorization

    Passing the admission control

    Authentication

    Kubernetes uses client certificates, bearer tokens, an authenticating proxy, or HTTP basic auth to authenticate API requests through authentication plugins. In the authentication process, the username is retrieved from the HTTP request. If the request cannot be authenticated, the operation is aborted with the status code 401.

    Authorization

    Once the user is authenticated, the authorization validates whether it is allowed to execute the specified action. The authorization can be performed through ABAC, RBAC, or Webhook modes.

    Passing the Admission Control

    Finally, once a request is authorized, it passes through admission controllers. They intercept requests to the API before the objects are persisted and can modify them. They are advanced topics that we won’t cover in this chapter.

    Authentication is pretty standard, and there’s not much to say about it. On the other hand, admission controllers are too advanced to be covered just yet.

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    Contributed on Jun 23 2023
    Sumit Rawal
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    Popularity 1/10 Helpfulness 1/10 Language whatever
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    Contributed on Jun 23 2023
    Sumit Rawal
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