华为云UCS
华为云UCS
- 最新动态
- 服务公告
- 产品介绍
- 计费说明
- 快速入门
-
用户指南
- UCS集群
- 容器舰队
- 集群联邦
- 镜像仓库
- 权限管理
-
策略中心
- 策略中心概述
- 策略定义与策略实例的基本概念
- 启用策略中心
- 创建和管理策略实例
- 示例:使用策略中心实现Kubernetes资源合规性治理
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使用策略定义库
- 策略定义库概述
- k8spspvolumetypes
- k8spspallowedusers
- k8spspselinuxv2
- k8spspseccomp
- k8spspreadonlyrootfilesystem
- k8spspprocmount
- k8spspprivilegedcontainer
- k8spsphostnetworkingports
- k8spsphostnamespace
- k8spsphostfilesystem
- k8spspfsgroup
- k8spspforbiddensysctls
- k8spspflexvolumes
- k8spspcapabilities
- k8spspapparmor
- k8spspallowprivilegeescalationcontainer
- k8srequiredprobes
- k8srequiredlabels
- k8srequiredannotations
- k8sreplicalimits
- noupdateserviceaccount
- k8simagedigests
- k8sexternalips
- k8sdisallowedtags
- k8sdisallowanonymous
- k8srequiredresources
- k8scontainerratios
- k8scontainerrequests
- k8scontainerlimits
- k8sblockwildcardingress
- k8sblocknodeport
- k8sblockloadbalancer
- k8sblockendpointeditdefaultrole
- k8spspautomountserviceaccounttokenpod
- k8sallowedrepos
- 配置管理
- 服务网格
- 流量分发
- 可观测性
- 云原生服务中心
- 容器迁移
- 流水线
- 错误码
- 最佳实践
- API参考
- 常见问题
- 文档下载
- 通用参考
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k8scontainerratios
作用
限制容器的limit对request比例的最大值。
策略实例示例
限制容器的limit对request比例的最大值为1,cpu的limit对request比例最大值为10。
apiVersion: constraints.gatekeeper.sh/v1beta1 kind: K8sContainerRatios metadata: name: container-must-meet-memory-and-cpu-ratio spec: match: kinds: - apiGroups: [""] kinds: ["Pod"] parameters: ratio: "1" cpuRatio: "10"
符合策略实例的资源定义
cpu比例为4,内存比例为1,符合约束。
apiVersion: v1 kind: Pod metadata: name: opa-allowed labels: owner: me.agilebank.demo spec: containers: - name: opa image: openpolicyagent/opa:0.9.2 args: - "run" - "--server" - "--addr=localhost:8080" resources: limits: cpu: "4" memory: "2Gi" requests: cpu: "1" memory: "2Gi"
不符合策略实例的资源定义
示例一:CPU比例为40,不符合约束。
apiVersion: v1 kind: Pod metadata: name: opa-disallowed labels: owner: me.agilebank.demo spec: containers: - name: opa image: openpolicyagent/opa:0.9.2 args: - "run" - "--server" - "--addr=localhost:8080" resources: limits: cpu: "4" memory: "2Gi" requests: cpu: "100m" memory: "2Gi"
示例二:内存比例为20,不符合约束。
apiVersion: v1 kind: Pod metadata: name: opa-disallowed labels: owner: me.agilebank.demo spec: containers: - name: opa image: openpolicyagent/opa:0.9.2 args: - "run" - "--server" - "--addr=localhost:8080" resources: limits: cpu: "800m" memory: "2Gi" requests: cpu: "100m" memory: "100Mi"
父主题: 使用策略定义库