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Remove trailing spaces from zh documents(#16742) (#16794)

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Yushiro FURUKAWA
2019-10-15 18:23:51 +09:00
committed by Kubernetes Prow Robot
parent 0268ed0c18
commit b05129acc3
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content/zh/docs/concepts/_index.md
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{{% capture overview %}}
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The Concepts section helps you learn about the parts of the Kubernetes system and the abstractions Kubernetes uses to represent your {{< glossary_tooltip text="cluster" term_id="cluster" length="all" >}}, and helps you obtain a deeper understanding of how Kubernetes works.
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## Overview
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## 概述
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To work with Kubernetes, you use *Kubernetes API objects* to describe your cluster's *desired state*: what applications or other workloads you want to run, what container images they use, the number of replicas, what network and disk resources you want to make available, and more. You set your desired state by creating objects using the Kubernetes API, typically via the command-line interface, `kubectl`. You can also use the Kubernetes API directly to interact with the cluster and set or modify your desired state.
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要使用 Kubernetes，你需要用 *Kubernetes API 对象* 来描述集群的 *预期状态（desired state）* ：包括你需要运行的应用或者负载，它们使用的镜像、副本数，以及所需网络和磁盘资源等等。你可以使用命令行工具 `kubectl` 来调用 Kubernetes API 创建对象，通过所创建的这些对象来配置预期状态。你也可以直接调用 Kubernetes API 和集群进行交互，设置或者修改预期状态。
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Once you've set your desired state, the *Kubernetes Control Plane* makes the cluster's current state match the desired state via the Pod Lifecycle Event Generator (PLEG). To do so, Kubernetes performs a variety of tasks automatically--such as starting or restarting containers, scaling the number of replicas of a given application, and more. The Kubernetes Control Plane consists of a collection of processes running on your cluster:
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Once you've set your desired state, the *Kubernetes Control Plane* makes the cluster's current state match the desired state via the Pod Lifecycle Event Generator (PLEG). To do so, Kubernetes performs a variety of tasks automatically--such as starting or restarting containers, scaling the number of replicas of a given application, and more. The Kubernetes Control Plane consists of a collection of processes running on your cluster:
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一旦你设置了你所需的目标状态，*Kubernetes 控制面（control plane）* 会通过 Pod 生命周期事件生成器( PLEG )，促成集群的当前状态符合其预期状态。为此，Kubernetes 会自动执行各类任务，比如运行或者重启容器、调整给定应用的副本数等等。Kubernetes 控制面由一组运行在集群上的进程组成：
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* The **Kubernetes Master** is a collection of three processes that run on a single node in your cluster, which is designated as the master node. Those processes are: [kube-apiserver](/docs/admin/kube-apiserver/), [kube-controller-manager](/docs/admin/kube-controller-manager/) and [kube-scheduler](/docs/admin/kube-scheduler/).
* Each individual non-master node in your cluster runs two processes:
* **[kubelet](/docs/admin/kubelet/)**, which communicates with the Kubernetes Master.
@@ -54,19 +54,19 @@ Once you've set your desired state, the *Kubernetes Control Plane* makes the clu
* **[kubelet](/docs/admin/kubelet/)**，和 master 节点进行通信。
* **[kube-proxy](/docs/admin/kube-proxy/)**，一种网络代理，将 Kubernetes 的网络服务代理到每个节点上。
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## Kubernetes Objects
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## Kubernetes 对象
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Kubernetes contains a number of abstractions that represent the state of your system: deployed containerized applications and workloads, their associated network and disk resources, and other information about what your cluster is doing. These abstractions are represented by objects in the Kubernetes API; see the [Kubernetes Objects overview](/docs/concepts/abstractions/overview/) for more details.
Kubernetes contains a number of abstractions that represent the state of your system: deployed containerized applications and workloads, their associated network and disk resources, and other information about what your cluster is doing. These abstractions are represented by objects in the Kubernetes API; see the [Kubernetes Objects overview](/docs/concepts/abstractions/overview/) for more details.
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Kubernetes 包含若干抽象用来表示系统状态，包括：已部署的容器化应用和负载、与它们相关的网络和磁盘资源以及有关集群正在运行的其他操作的信息。这些抽象使用 Kubernetes API 对象来表示。参阅 [Kubernetes 对象概述](/docs/concepts/abstractions/overview/)以了解详细信息。
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The basic Kubernetes objects include:
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@@ -101,7 +101,7 @@ The various parts of the Kubernetes Control Plane, such as the Kubernetes Master
关于 Kubernetes 控制平面的各个部分，（如 Kubernetes 主控组件和 kubelet 进程），管理着 Kubernetes 如何与你的集群进行通信。控制平面维护着系统中所有的 Kubernetes 对象的状态记录，并且通过连续的控制循环来管理这些对象的状态。在任意的给定时间点，控制面的控制环都能响应集群中的变化，并且让系统中所有对象的实际状态与你提供的预期状态相匹配。
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For example, when you use the Kubernetes API to create a Deployment, you provide a new desired state for the system. The Kubernetes Control Plane records that object creation, and carries out your instructions by starting the required applications and scheduling them to cluster nodes--thus making the cluster's actual state match the desired state.
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@@ -119,25 +119,25 @@ The Kubernetes master is responsible for maintaining the desired state for your
Kubernetes master 节点负责维护集群的目标状态。当你要与 Kubernetes 通信时，使用如 `kubectl` 的命令行工具，就可以直接与 Kubernetes master 节点进行通信。
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> The "master" refers to a collection of processes managing the cluster state. Typically all these processes run on a single node in the cluster, and this node is also referred to as the master. The master can also be replicated for availability and redundancy.
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> "master" 是指管理集群状态的一组进程的集合。通常这些进程都跑在集群中一个单独的节点上，并且这个节点被称为 master 节点。master 节点也可以扩展副本数，来获取更好的可用性及冗余。
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### Kubernetes Nodes
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### Kubernetes Node 节点
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The nodes in a cluster are the machines (VMs, physical servers, etc) that run your applications and cloud workflows. The Kubernetes master controls each node; you'll rarely interact with nodes directly.
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集群中的 node 节点（虚拟机、物理机等等）都是用来运行你的应用和云工作流的机器。Kubernetes master 节点控制所有 node 节点；你很少需要和 node 节点进行直接通信。
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#### Object Metadata
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If you would like to write a concept page, see
[Using Page Templates](/docs/home/contribute/page-templates/)
for information about the concept page type and the concept template.