Kubernetes 1.12.0-rc.2 发布，容器编排工具

Kubernetes   是一个开源的、用于管理云平台中多个主机上的容器化的应用，Kubernetes 的目标是让部署容器化的应用简单并且高效，Kubernetes 提供了应用部署、规划、更新与维护的一种机制。

Changelog since v1.12.0-rc.1

Other notable changes

• Update to use manifest list for etcd image

• Fix Azure nodes power state for InstanceShutdownByProviderID()

• Bump kube-dns to 1.14.13

• Build multi-arch images correctly.

• Update Alpine base image to 3.8.1.

• kubelet: fix grpc timeout in the CRI client

• Update to golang 1.10.4

• kubeadm now uses fat manifests for the kube-dns images

• Update Cluster Autoscaler version to 1.12.0.

• See https://github.com/kubernetes/autoscaler/releases/tag/1.12.0 for CA release notes.

• kube-proxy restores the *filter table when running in ipvs mode.

• New kubeDNS image fixes an issue where SRV records were incorrectly being compressed. Added manifest file for multiple arch images.

• Drain should delete terminal pods.