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Managing Kubernetes Resources Using Helm - Second Edition
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The ability of an authenticated user in Kubernetes to perform actions is governed by a set of RBAC policies. As introduced in Chapter 2, Preparing a Kubernetes and Helm Environment, policies, known as roles, can be associated with users or service accounts, and Kubernetes includes several roles with any installation. RBAC has been enabled by default in Kubernetes since version 1.6. When thinking about Kubernetes RBAC in the context of Helm usage, you need to consider two factors:
In most cases, the individual responsible for installing a Helm chart is associated with a Kubernetes user. However, Helm charts can be installed through other means, such as by a Kubernetes operator with an associated service account.
By default, users and service accounts have minimal permissions in a Kubernetes cluster. Additional permissions are granted through...