From 006b19025c8da37b018d7266ac66ab3431a12ca9 Mon Sep 17 00:00:00 2001 From: AdamDang Date: Wed, 21 Nov 2018 12:59:31 +0800 Subject: [PATCH] zh-trans: add quota-pod-namespace.md (#11111) * zh-trans: add quota-pod-namespace.md zh-trans: add quota-pod-namespace.md * Create quota-pod.yaml * Create quota-pod-deployment.yaml * Update quota-pod-namespace.md --- .../manage-resources/quota-pod-namespace.md | 223 ++++++++++++++++++ .../admin/resource/quota-pod-deployment.yaml | 17 ++ .../zh/examples/admin/resource/quota-pod.yaml | 7 + 3 files changed, 247 insertions(+) create mode 100644 content/zh/docs/tasks/administer-cluster/manage-resources/quota-pod-namespace.md create mode 100644 content/zh/examples/admin/resource/quota-pod-deployment.yaml create mode 100644 content/zh/examples/admin/resource/quota-pod.yaml diff --git a/content/zh/docs/tasks/administer-cluster/manage-resources/quota-pod-namespace.md b/content/zh/docs/tasks/administer-cluster/manage-resources/quota-pod-namespace.md new file mode 100644 index 0000000000..4b0cd9e10b --- /dev/null +++ b/content/zh/docs/tasks/administer-cluster/manage-resources/quota-pod-namespace.md @@ -0,0 +1,223 @@ + + +--- +title: 为命名空间配置 Pod 配额 +content_template: templates/task +weight: 60 +--- + +{{% capture overview %}} + + + +本文介绍怎样给命名空间配置可以运行的 Pod 总数配额。你在 [ResourceQuota](/docs/reference/generated/kubernetes-api/{{< param "version" >}}/#resourcequota-v1-core)对象中可以进行声明。 + +{{% /capture %}} + + +{{% capture prerequisites %}} + +{{< include "task-tutorial-prereqs.md" >}} {{< version-check >}} + +{{% /capture %}} + + +{{% capture steps %}} + + + +## 创建命名空间 + +创建一个命名空间,以便本练习所创建的资源和集群的其余资源相隔离。 + +```shell +kubectl create namespace quota-pod-example +``` + + + +## 创建一个 ResourceQuota + +这里给出了一个 ResourceQuota 对象的配置文件: + +{{< codenew file="admin/resource/quota-pod.yaml" >}} + + + +创建 ResourceQuota + +```shell +kubectl create -f https://k8s.io/examples/admin/resource/quota-pod.yaml --namespace=quota-pod-example +``` + + + +查看 ResourceQuota 详情: + +```shell +kubectl get resourcequota pod-demo --namespace=quota-pod-example --output=yaml +``` + + + +输出结果显示该命名空间有两个 Pod 的配额,并且当前没有 Pod;也就是配额没有被使用。 + +```yaml +spec: + hard: + pods: "2" +status: + hard: + pods: "2" + used: + pods: "0" +``` + + + +这里给出了一个 Deployment 的配置文件: + +{{< codenew file="admin/resource/quota-pod-deployment.yaml" >}} + + + +配置文件中,`replicas: 3` 使 Kubernetes 尝试创建3个 Pod,都运行相同的应用。 + +创建 Deployment: + +```shell +kubectl create -f https://k8s.io/examples/admin/resource/quota-pod-deployment.yaml --namespace=quota-pod-example +``` + + + +查看 Deployment 详情: + +```shell +kubectl get deployment pod-quota-demo --namespace=quota-pod-example --output=yaml +``` + + + +输出结果显示尽管 Deployment 声明了三个副本,但由于配额的限制只创建了两个 Pod。 + +```yaml +spec: + ... + replicas: 3 +... +status: + availableReplicas: 2 +... +lastUpdateTime: 2017-07-07T20:57:05Z + message: 'unable to create pods: pods "pod-quota-demo-1650323038-" is forbidden: + exceeded quota: pod-demo, requested: pods=1, used: pods=2, limited: pods=2' +``` + + + +## 清理环境 + +删除你的命名空间: + +```shell +kubectl delete namespace quota-pod-example +``` + +{{% /capture %}} + +{{% capture whatsnext %}} + + + +### 集群管理员参考 + +* [为命名空间配置默认内存请求和限制](/docs/tasks/administer-cluster/memory-default-namespace/) + +* [为命名空间配置内存限制的最小值和最大值](/docs/tasks/administer-cluster/memory-constraint-namespace/) + +* [为命名空间配置 CPU 限制的最小值和最大值](/docs/tasks/administer-cluster/cpu-constraint-namespace/) + +* [为命名空间配置内存和 CPU 配额](/docs/tasks/administer-cluster/quota-memory-cpu-namespace/) + +* [为命名空间配置 Pod 配额](/docs/tasks/administer-cluster/quota-pod-namespace/) + +* [为 API 对象配置配额](/docs/tasks/administer-cluster/quota-api-object/) + + + +### 应用开发者参考 + +* [为容器和 Pod 分配内存资源](/docs/tasks/configure-pod-container/assign-memory-resource/) + +* [为容器和 Pod 分配 CPU 资源](/docs/tasks/configure-pod-container/assign-cpu-resource/) + +* [为 Pod 配置 Service 数量](/docs/tasks/configure-pod-container/quality-service-pod/) + +{{% /capture %}} + + diff --git a/content/zh/examples/admin/resource/quota-pod-deployment.yaml b/content/zh/examples/admin/resource/quota-pod-deployment.yaml new file mode 100644 index 0000000000..86e85aa468 --- /dev/null +++ b/content/zh/examples/admin/resource/quota-pod-deployment.yaml @@ -0,0 +1,17 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + name: pod-quota-demo +spec: + selector: + matchLabels: + purpose: quota-demo + replicas: 3 + template: + metadata: + labels: + purpose: quota-demo + spec: + containers: + - name: pod-quota-demo + image: nginx diff --git a/content/zh/examples/admin/resource/quota-pod.yaml b/content/zh/examples/admin/resource/quota-pod.yaml new file mode 100644 index 0000000000..0a07f055ca --- /dev/null +++ b/content/zh/examples/admin/resource/quota-pod.yaml @@ -0,0 +1,7 @@ +apiVersion: v1 +kind: ResourceQuota +metadata: + name: pod-demo +spec: + hard: + pods: "2"