Merge pull request #24087 from zhiguo-lu/addpage-zh-task-configpod-nodeaffinity

[zh] add page: /zh/docs/tasks/configure-pod-container/assign-pods-nodes-using-node-affinity/ fix 24086
2020-09-24 07:00:06 -07:00
parent 28df39222b 5586c71b66
commit 1c0367f094
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+---
+title: 用节点亲和性把 Pods 分配到节点
+min-kubernetes-server-version: v1.10
+content_type: task
+weight: 120
+---
+<!--
+title: Assign Pods to Nodes using Node Affinity
+min-kubernetes-server-version: v1.10
+content_type: task
+weight: 120
+-->
+
+<!-- overview -->
+<!--
+This page shows how to assign a Kubernetes Pod to a particular node using Node Affinity in a
+Kubernetes cluster.
+-->
+本页展示在 Kubernetes 集群中，如何使用节点亲和性把 Kubernetes Pod 分配到特定节点。
+
+## {{% heading "prerequisites" %}}
+
+
+{{< include "task-tutorial-prereqs.md" >}} {{< version-check >}}
+
+
+
+<!-- steps -->
+
+<!--
+## Add a label to a node
+
+1. List the nodes in your cluster, along with their labels:
+-->
+## 给节点添加标签
+
+1. 列出集群中的节点及其标签：
+
+    ```shell
+    kubectl get nodes --show-labels
+    ```
+    <!--
+    The output is similar to this:
+    -->
+    输出类似于此：
+
+    ```
+    NAME      STATUS    ROLES    AGE     VERSION        LABELS
+    worker0   Ready     <none>   1d      v1.13.0        ...,kubernetes.io/hostname=worker0
+    worker1   Ready     <none>   1d      v1.13.0        ...,kubernetes.io/hostname=worker1
+    worker2   Ready     <none>   1d      v1.13.0        ...,kubernetes.io/hostname=worker2
+    ```
+    <!--
+    1. Chose one of your nodes, and add a label to it:
+    -->
+1. 选择一个节点，给它添加一个标签：
+
+    ```shell
+    kubectl label nodes <your-node-name> disktype=ssd
+    ```
+    <!--
+        where `<your-node-name>` is the name of your chosen node.
+
+    1. Verify that your chosen node has a `disktype=ssd` label:
+    -->
+
+    其中 `<your-node-name>` 是你所选节点的名称。
+
+2. 验证你所选节点具有 `disktype=ssd` 标签：
+
+    ```shell
+    kubectl get nodes --show-labels
+    ```
+
+    <!--
+    The output is similar to this:
+    -->
+    输出类似于此：
+
+    ```
+    NAME      STATUS    ROLES    AGE     VERSION        LABELS
+    worker0   Ready     <none>   1d      v1.13.0        ...,disktype=ssd,kubernetes.io/hostname=worker0
+    worker1   Ready     <none>   1d      v1.13.0        ...,kubernetes.io/hostname=worker1
+    worker2   Ready     <none>   1d      v1.13.0        ...,kubernetes.io/hostname=worker2
+    ```
+
+    <!--
+        In the preceding output, you can see that the `worker0` node has a
+        `disktype=ssd` label.
+    -->
+    在前面的输出中，可以看到 `worker0` 节点有一个 `disktype=ssd` 标签。
+
+<!--
+## Schedule a Pod using required node affinity
+
+This manifest describes a Pod that has a `requiredDuringSchedulingIgnoredDuringExecution` node affinity,`disktype: ssd`. 
+This means that the pod will get scheduled only on a node that has a `disktype=ssd` label. 
+-->
+## 依据强制的节点亲和性调度 Pod  {#schedule-a-Pod-using-required-node-affinity}
+
+下面清单描述了一个 Pod，它有一个节点亲和性配置 `requiredDuringSchedulingIgnoredDuringExecution`，`disktype=ssd`。
+这意味着 pod 只会被调度到具有 `disktype=ssd` 标签的节点上。
+
+{{< codenew file="pods/pod-nginx-required-affinity.yaml" >}}
+
+<!--
+1. Apply the manifest to create a Pod that is scheduled onto your
+   chosen node:
+-->
+1. 执行（Apply）此清单来创建一个调度到所选节点上的 Pod：
+
+    ```shell
+    kubectl apply -f https://k8s.io/examples/pods/pod-nginx-required-affinity.yaml
+    ```
+
+    <!--
+    1. Verify that the pod is running on your chosen node:
+    -->
+1. 验证 pod 已经在所选节点上运行：
+
+    ```shell
+    kubectl get pods --output=wide
+    ```
+
+    <!--
+    The output is similar to this:
+    -->
+    输出类似于此：
+
+    ```
+    NAME     READY     STATUS    RESTARTS   AGE    IP           NODE
+    nginx    1/1       Running   0          13s    10.200.0.4   worker0
+    ```
+    
+<!--    
+## Schedule a Pod using preferred node affinity
+
+This manifest describes a Pod that has a `preferredDuringSchedulingIgnoredDuringExecution` node affinity,`disktype: ssd`. 
+This means that the pod will prefer a node that has a `disktype=ssd` label. 
+-->
+## 使用首选的节点亲和性调度 Pod {#schedule-a-Pod-using-preferred-node-affinity}
+
+本清单描述了一个Pod，它有一个节点亲和性设置 `preferredDuringSchedulingIgnoredDuringExecution`，`disktype: ssd`。
+这意味着 pod 将首选具有 `disktype=ssd` 标签的节点。
+
+{{< codenew file="pods/pod-nginx-preferred-affinity.yaml" >}}
+
+<!--
+1. Apply the manifest to create a Pod that is scheduled onto your
+   chosen node:
+-->
+1. 执行此清单创建一个会调度到所选节点上的 Pod：
+    
+    ```shell
+    kubectl apply -f https://k8s.io/examples/pods/pod-nginx-preferred-affinity.yaml
+    ```
+
+    <!--
+    1. Verify that the pod is running on your chosen node:
+    -->
+1. 验证 pod 是否在所选节点上运行：
+   
+    ```shell
+    kubectl get pods --output=wide
+    ```
+
+    <!--
+    The output is similar to this:
+    -->
+    输出类似于此：
+    
+    ```
+    NAME     READY     STATUS    RESTARTS   AGE    IP           NODE
+    nginx    1/1       Running   0          13s    10.200.0.4   worker0
+    ```
+
+
+
+## {{% heading "whatsnext" %}}
+
+<!--
+Learn more about
+[Node Affinity](/docs/concepts/scheduling-eviction/assign-pod-node/#node-affinity).
+-->
+进一步了解
+[节点亲和性](/zh/docs/concepts/scheduling-eviction/assign-pod-node/#node-affinity).