In Kubernetes, Services are an abstract way to expose an application running on a set of Pods. Services can have a cluster-scoped virtual IP address (using a Service of type: ClusterIP). Clients can connect using that virtual IP address, and Kubernetes then load-balances traffic to that Service across the different backing Pods. How Service ClusterIPs are allocated? When Kubernetes needs to assign a virtual IP address for a Service, that assignment happens one of two ways:

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This document describes projected volumes in Kubernetes. Familiarity with volumes is suggested. Introduction A projected volume maps several existing volume sources into the same directory. Currently, the following types of volume sources can be projected: secret downwardAPI configMap serviceAccountToken clusterTrustBundle All sources are required to be in the same namespace as the Pod. For more details, see the all-in-one volume design document. Example configuration with a secret, a downwardAPI, and a configMap pods/storage/projected-secret-downwardapi-configmap.

Automatically provision and consolidate the Nodes in your cluster to adapt to demand and optimize cost.

Security architecture information relating to the API server and other components

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This guide demonstrates how to access the Kubernetes API from within a pod. Before you begin You need to have a Kubernetes cluster, and the kubectl command-line tool must be configured to communicate with your cluster. It is recommended to run this tutorial on a cluster with at least two nodes that are not acting as control plane hosts. If you do not already have a cluster, you can create one by using minikube or you can use one of these Kubernetes playgrounds:

Setting up an extension API server to work with the aggregation layer allows the Kubernetes apiserver to be extended with additional APIs, which are not part of the core Kubernetes APIs. Before you begin You need to have a Kubernetes cluster, and the kubectl command-line tool must be configured to communicate with your cluster. It is recommended to run this tutorial on a cluster with at least two nodes that are not acting as control plane hosts.

This page shows how to use a Volume to communicate between two Containers running in the same Pod. See also how to allow processes to communicate by sharing process namespace between containers. Before you begin You need to have a Kubernetes cluster, and the kubectl command-line tool must be configured to communicate with your cluster. It is recommended to run this tutorial on a cluster with at least two nodes that are not acting as control plane hosts.

This page shows how to delete Pods which are part of a stateful set, and explains the considerations to keep in mind when doing so. Before you begin This is a fairly advanced task and has the potential to violate some of the properties inherent to StatefulSet. Before proceeding, make yourself familiar with the considerations enumerated below. StatefulSet considerations In normal operation of a StatefulSet, there is never a need to force delete a StatefulSet Pod.