资源配置清单详解

一、Pod资源配置

1、非Object配置

  1. apiVersion: v1
  2. kind: Pod
  3. metadata: 
  4. spec:
  5.   activeDeadlineSeconds: <integer>
  6.   automountServiceAccountToken: <boolean>
  7.   dnsPolicy: <string> # 'ClusterFirst', 'Default' or 'None'
  8.   enableServiceLinks: <boolean>
  9.   hostIPC: <boolean>
  10.   hostNetwork: <boolean> # 是否使用宿主机网路，类似于--network=host
  11.   hostPID: <boolean>
  12.   hostname: <string> # 设置主机名称，类似于--hostname
  13.   nodeName: <string> #
  14.   nodeSelector: <map[string]string> # 节点标签选择器
  15.   priority: <integer>
  16.   priorityClassName: <string>
  17.   restartPolicy: <string> # 重启策略：Always, OnFailure, Never
  18.   runtimeClassName: <string>
  19.   schedulerName: <string>
  20.   serviceAccount: <string>
  21.   serviceAccountName: <string>
  22.   shareProcessNamespace: <boolean>
  23.   subdomain: <string>
  24.   terminationGracePeriodSeconds: <integer>

2、spec.affinity

2.1、spec.affinity.nodeAffinity：节点亲和性配置

  1. spec:
  2.   affinity: <Object>
  3.     nodeAffinity: <Object>
  4.       requiredDuringSchedulingIgnoredDuringExecution: <Object>
  5.         nodeSelectorTerms: <[]Object> -required-
  6.         - matchExpressions: <[]Object>
  7.           - key: <string> -required-
  8.             operator: <string> -required- # 设置键值关系（In, NotIn, Exists, DoesNotExist）
  9.             values: <[]string>
  10.             - value1
  11.             - value2
  12.           matchFields: <[]Object> # 通过节点字段
  13.           - key: <string> -required-
  14.             operator: <string> -required- # 设置键值关系（In, NotIn, Exists, DoesNotExist）
  15.             values: <[]string>
  16.             - value1
  17.             - value2
  18.       preferredDuringSchedulingIgnoredDuringExecution: <[]Object>
  19.       - weight: <integer> -required-
  20.         preference: <Object> -required-
  21.           matchExpressions: <[]Object> # 通过节点标签
  22.           - key: <string> -required-
  23.             operator: <string> -required- # 设置键值关系（In, NotIn, Exists, DoesNotExist）
  24.             values: <[]string>
  25.             - value1
  26.             - value2
  27.           matchFields: <[]Object> # 通过节点字段
  28.           - key: <string> -required-
  29.             operator: <string> -required- # 设置键值关系（In, NotIn, Exists, DoesNotExist）
  30.             values: <[]string>
  31.             - value1
  32.             - value2

2.2、spec.affinity.podAffinity：pod亲和性配置

  1. spec:
  2.   affinity: <Object>
  3.     podAffinity: <Object>
  4.       requiredDuringSchedulingIgnoredDuringExecution: <[]Object>
  5.         namespaces: <[]string>
  6.         topologyKey: <string> -required-
  7.         labelSelector: <Object>
  8.           matchLabels: <map[string]string>
  9.             key1: value1
  10.             key2: value2
  11.           matchExpressions:
  12.             key: <string> -required-
  13.             operator: <string> -required- # 设置键值关系（In, NotIn, Exists, DoesNotExist）
  14.             values: <[]string>
  15.             - value1
  16.             - value2
  17.       preferredDuringSchedulingIgnoredDuringExecution: <[]Object>
  18.       - weight: <integer> -required-
  19.         podAffinityTerm: <Object> -required-
  20.           namespaces: <[]string>
  21.           topologyKey: <string> -required-
  22.           labelSelector: <Object>
  23.             matchLabels: <map[string]string>
  24.               key1: value1
  25.               key2: value2
  26.             matchExpressions:
  27.               key: <string> -required-
  28.               operator: <string> -required- # 设置键值关系（In, NotIn, Exists, DoesNotExist）
  29.               values: <[]string>
  30.               - value1
  31.               - value2

2.3、spec.affinity.podAntiAffinity：pod反亲和性配置

  1. spec:
  2.   affinity: <Object>
  3.     podAntiAffinity: <Object>
  4.       requiredDuringSchedulingIgnoredDuringExecution: <[]Object>
  5.         namespaces: <[]string>
  6.         topologyKey: <string> -required-
  7.         labelSelector: <Object>
  8.           matchLabels: <map[string]string>
  9.             key1: value1
  10.             key2: value2
  11.           matchExpressions:
  12.             key: <string> -required-
  13.             operator: <string> -required- # 设置键值关系（In, NotIn, Exists, DoesNotExist）
  14.             values: <[]string>
  15.             - value1
  16.             - value2
  17.       preferredDuringSchedulingIgnoredDuringExecution: <[]Object>
  18.       - weight: <integer> -required-
  19.         podAffinityTerm: <Object> -required-
  20.           namespaces: <[]string>
  21.           topologyKey: <string> -required-
  22.           labelSelector: <Object>
  23.             matchLabels: <map[string]string>
  24.               key1: value1
  25.               key2: value2
  26.             matchExpressions:
  27.               key: <string> -required-
  28.               operator: <string> -required- # 设置键值关系（In, NotIn, Exists, DoesNotExist）
  29.               values: <[]string>
  30.               - value1
  31.               - value2

3、spec.containers：容器配置

  1. spec:
  2.   containers: <[]Object> # 容器配置
  3.   - name: <string> -required- # 容器名、DNS_LABEL
  4.     image: <string> # 镜像名称
  5.     imagePullPolicy: <string> # 镜像拉取策略，Always、Never、IfNotPresent
  6.     command: ["/bin/sh"] # 类似于dockerfile中的entrypiont
  7.     args: ["-c", "while true; do echo hello; sleep 10;done"] # 类似于dockerfile中的cmd
  8.     stdin: <boolean>
  9.     stdinOnce: <boolean>
  10.     terminationMessagePath: <string>
  11.     terminationMessagePolicy: <string>
  12.     tty: <boolean>
  13.     workingDir: <string>
  14. ```持续更新
  15. ### 3.1、spec.containers.ports：容器端口号配置
  16. ```yaml
  17. spec:
  18.   containers: <[]Object>
  19.     ports: <[]Object> # 端口配置
  20.     - name: <string> # 定义端口名
  21.       containerPort: <integer> -required- # 容器暴露的端口
  22.       protocol: <string> # 端口协议，UDP, TCP, or SCTP
  23.       hostIP: <string> # 指定要绑定的主机IP
  24.       hostPort: <integer> # 指定主机开放的端口

3.2、spec.containers.env：环境变量设置

  1. spec:持续更新
  2.   containers: <[]Object> 
  3.     env: <[]Object> #环境变量配置
  4.     - name: <string> -required- # 环境变量名称，如：MYSQL_ROOT_PASSWORD
  5.       value: <string> # 设置环境变量的值
  6.       valueFrom: <Object> 
  7.         configMapKeyRef: <Object> # 指定从configmap的键名获取
  8.           name: <string> # configmap名称
  9.           key: <string> -required- # configmap资源清单下data字段下的键名
  10.           optional: <boolean>
  11.         fieldRef: <Object>
  12.           apiVersion: <string>
  13.           fieldPath: <string> -required-
  14.         resourceFieldRef: <Object>
  15.           containerName: <string>
  16.           divisor: <string>
  17.           resource: <string> -required-
  18.         secretKeyRef: <Object> # 指定从Secret的键名获取
  19.           name: <string> # Secret名称
  20.           key: <string> -required- # Secret资源清单下data字段下的键名
  21.           optional: <boolean>
  22.     envFrom: <[]Object>
  23.     - configMapRef: <Object> # 指定从configmap资源获取
  24.         name: <string> # 指定configmap名称
  25.         optional: <boolean>
  26.       secretRef: <Object> # 指定从Secret资源获取
  27.         name: <string> # 指定Secret名称
  28.         optional: <boolean>
  29.       prefix: <string>

3.3、spec.containers.volumeMounts：容器内部存储卷挂载配置

  1. spec:持续更新
  2.   containers: <[]Object> 
  3.     volumeMounts: <[]Object> # 容器挂载卷配置
  4.     - name: <string> -required- # 设置挂载卷名称
  5.       mountPath: <string> -required- # 设置挂载存储卷的路径
  6.       readOnly: <boolean> # 是否只读，默认为false
  7.       mountPropagation: <string>
  8.       subPath: <string>
  9.       subPathExpr: <string>

3.4、spec.containers.livenessProbe：存活状态检测

  1. spec:
  2.   containers: <[]Object> 
  3.     livenessProbe: <Object> # 存活探针
  4.       exec: <Object>
  5.         command: <[]string>
  6.       httpGet: <Object>
  7.         port: <string> -required- 
  8.         path: <string>
  9.         host: <string>
  10.         httpHeaders: <[]Object>
  11.           name: <string> -required-
  12.           value: <string> -required-
  13.         scheme: <string> 
  14.       tcpSocket: <Object> # TCPSocket指定涉及TCP端口的操作
  15.         port: <string> -required- # 容器暴露的端口
  16.         host: <string> # 默认pod的IP
  17.       initialDelaySeconds: <integer> # 设置多少秒后开始探测
  18.       failureThreshold: <integer> # 设置连续探测多少次失败后，标记为失败，默认三次
  19.       successThreshold: <integer> # 设置失败后探测的最小连续成功次数，默认为1
  20.       timeoutSeconds: <integer> # 设置探测超时的秒数，默认1s
  21.       periodSeconds: <integer> # 设置执行探测的频率（以秒为单位），默认1s

3.5、spec.containers.readinessProbe：就绪状态检测

  1. spec:
  2.   containers: <[]Object> 
  3.     readinessProbe: <Object> # 就绪探针
  4.       exec: <Object>
  5.         command: <[]string>
  6.       httpGet: <Object>
  7.         port: <string> -required- 
  8.         path: <string>
  9.         host: <string>
  10.         httpHeaders: <[]Object>
  11.           name: <string> -required-
  12.           value: <string> -required-
  13.         scheme: <string> 
  14.       tcpSocket: <Object> # TCPSocket指定涉及TCP端口的操作持续更新
  15.         port: <string> -required- # 容器暴露的端口
  16.         host: <string> # 默认pod的IP
  17.       initialDelaySeconds: <integer> # 设置多少秒后开始探测
  18.       failureThreshold: <integer> # 设置连续探测多少次失败后，标记为失败，默认三次
  19.       successThreshold: <integer> # 设置失败后探测的最小连续成功次数，默认为1
  20.       timeoutSeconds: <integer> # 设置探测超时的秒数，默认1s
  21.       periodSeconds: <integer> # 设置执行探测的频率（以秒为单位），默认1s

3.6、spec.containers.resources：资源限制

  1. spec: 
  2.   containers: <[]Object> 
  3.     resources: <Object> # 资源配置
  4.       requests: <map[string]string> # 要求分配的最小资源
  5.         memory: "1024Mi" # Mi，Gi
  6.         cpu: "500m" # 500m代表0.5CPU
  7.       limits: <map[string]string> # 能够分配的最大资源
  8.         memory: 
  9.         cpu:

3.7、spec.containers.lifecycle

  1. spec:
  2.   containers: <[]Object> 
  3.     lifecycle: <Object>
  4.       postStart: <Object>
  5.         exec: <Object>
  6.           command: <[]string>
  7.         httpGet: <Object>持续更新
  8.           port: <string> -required- 
  9.           path: <string>
  10.           host: <string>
  11.           httpHeaders: <[]Object>
  12.             name: <string> -required-
  13.             value: <string> -required-
  14.           scheme: <string>
  15.         tcpSocket: <Object>
  16.           port: <string> -required- # 容器暴露的端口
  17.           host: <string> # 默认pod的IP
  18.       preStop: <Object>
  19.         exec: <Object>
  20.           command: <[]string>
  21.         httpGet: <Object>
  22.           port: <string> -required- 
  23.           path: <string>
  24.           host: <string>
  25.           httpHeaders: <[]Object>持续更新
  26.             name: <string> -required-
  27.             value: <string> -required-
  28.           scheme: <string>
  29.         tcpSocket: <Object>
  30.           port: <string> -required- # 容器暴露的端口
  31.           host: <string> # 默认pod的IP

3.8、spec.containers.volumeDevices

  1. spec:
  2.   containers: <[]Object>
  3.     volumeDevices: <[]Object>
  4.     - name: <string> -required-
  5.       devicePath: <string> -required-

4、spec.volumes：数据存储卷配置

4.1、spec.volumes.emptyDir：使用emptyDir存储

  1. spec:
  2.   volumes: <[]Object> #数据卷配置
  3.   - name: <string> -required- #设置卷名称,与volumeMounts名称对应
  4.     emptyDir: <Object>
  5.       medium: <string>
  6.       sizeLimit: <string>

4.2、spec.volumes.hostPath：使用宿主机路径存储

  1. spec:持续更新
  2.   volumes: <[]Object> #数据卷配置
  3.   - name: <string> -required- #设置卷名称,与volumeMounts名称对应
  4.     hostPath: <Object> #设置挂载宿主机路径
  5.       path: <string> -required- 
  6.       type: <string> #类型：DirectoryOrCreate、Directory、FileOrCreate、File、Socket、CharDevice、BlockDevice

4.3、spec.volumes.nfs：使用nfs网络存储

  1. spec:
  2.   volumes: <[]Object> #数据卷配置
  3.   - name: <string> -required- #设置卷名称,与volumeMounts名称对应
  4.     nfs: <Object> #设置NFS服务器
  5.       server: <string> -required- #设置NFS服务器地址
  6.       path: <string> -required- #设置NFS服务器路径(该路径必须存在)持续更新
  7.       readOnly: <boolean> #设置是否只读

4.4、spec.volumes.configMap：使用configmap存储

  1. spec:
  2.   volumes: <[]Object> #数据卷配置
  3.   - name: <string> -required- #设置卷名称,与volumeMounts名称对应
  4.     configMap: <Object>
  5.       name: <string> #configmap名称
  6.       defaultMode: <integer> #权限设置0~0777，默认0664
  7.       optional: <boolean> #指定是否必须定义configmap或其keys
  8.       items: <[]Object>
  9.       - key: <string> -required-
  10.         path: <string> -required-
  11.         mode: <integer>

4.5、spec.volumes.secret：使用Secret存储

  1. spec:
  2.   volumes: <[]Object> #数据卷配置
  3.   - name: <string> -required- #设置卷名称,与volumeMounts名称对应
  4.     secret: <Object>
  5.       secretName: <string>
  6.       defaultMode: <integer> #权限设置0~0777，默认0664
  7.       optional: <boolean> #指定是否必须定义configmap或其keys

4.6、spec.volumes.persistentVolumeClaim：使用pvc存储

  1. spec:
  2.   volumes: <[]Object> #数据卷配置
  3.   - name: <string> -required- #设置卷名称,与volumeMounts名称对应
  4.     persistentVolumeClaim: <Object>
  5.       claimName: <string> -required- #pvc名称
  6.       readOnly: <boolean>

4.7、spec.volumes.storageos

  1. spec:
  2.   volumes: <[]Object> #数据卷配置
  3.   - name: <string> -required- #设置卷名称,与volumeMounts名称对应
  4.     storageos: <Object>
  5.       volumeName: <string>
  6.       volumeNamespace: <string>
  7.       fsType: <string>
  8.       secretRef: <Object>
  9.         name: <string>

5、spec.tolerations：污点容忍度配置

  1. spec:
  2.   tolerations: <[]Object>
  3.     effect: <string> # NoSchedule, PreferNoSchedule, NoExecute
  4.     key: <string>
  5.     value: <string>
  6.     operator: <string> # Exists, Equal
  7.     tolerationSeconds: <integer>

6、spec.securityContext

  1. spec:
  2.   securityContext: <Object>
  3.     fsGroup: <boolean>
  4.     runAsGroup: <boolean>
  5.     runAsNonRoot: <boolean>
  6.     runAsUser: <boolean>
  7.     supplementalGroups: <[]integer>
  8.     seLinuxOptions: <Object>
  9.       level: <string>
  10.       role: <string>
  11.       type: <string>
  12.       user: <string>
  13.     sysctls: <[]Object>
  14.       name: <string> -required-
  15.       value: <string> -required-

二、Deployment资源配置（deploy）

  1. apiVersion: extensions/v1beta1
  2. kind: Deployment
  3. metadata: 
  4. spec:
  5.   minReadySeconds: <integer> # 设置pod准备就绪的最小秒数
  6.   paused: <boolean> # 表示部署已暂停并且deploy控制器不会处理该部署
  7.   progressDeadlineSeconds: <integer>
  8.   replicas: <integer> # pod的副本数量
  9.   revisionHistoryLimit: <integer> # 设置保留的历史版本个数，默认是10
  10.   rollbackTo: <Object>
  11.     revision: <integer> # 设置回滚的版本，设置为0则回滚到上一个版本
  12.   selector: <Object> # pod标签选择器，匹配pod标签，默认使用pods的标签
  13.     matchLabels: <map[string]string> 
  14.       key1: value1
  15.       key2: value2
  16.     matchExpressions: <[]Object>
  17.       operator: <string> -required- #设定标签键与一组值的关系，In, NotIn, Exists and DoesNotExist
  18.       key: <string> -required-
  19.       values: <[]string> 
  20.   strategy: <Object> # 将现有pod替换为新pod的部署策略
  21.     rollingUpdate: <Object> # 滚动更新配置参数，仅当类型为RollingUpdate
  22.       maxSurge: <string> # 滚动更新过程产生的最大pod数量，可以是个数，也可以是百分比
  23.       maxUnavailable: <string> #
  24.     type: <string> #部署类型，Recreate，RollingUpdate
  25.   template: <Object> -required- # 同pod配置

三、StatefulSet资源配置（sts）

  1. apiVersion: apps/v1
  2. kind: StatefulSet
  3. metadata:
  4. spec:
  5.   podManagementPolicy: <string> # pod更新替换策略，OrderedReady（默认）、Parallel
  6.   replicas: <integer> # 副本数
  7.   revisionHistoryLimit: <integer> # 历史版本
  8.   serviceName: <string> -required- # 设置headless服务名
  9.   selector: <Object> -required- # 标签选择器
  10.     matchLabels: <map[string]string> 
  11.       key1: value1
  12.       key2: value2
  13.     matchExpressions: <[]Object>
  14.       operator: <string> -required- #设定标签键与一组值的关系，In, NotIn, Exists and DoesNotExist
  15.       key: <string> -required-
  16.       values: <[]string> 
  17.   template: <Object> -required- # 同pod配置
  18.   updateStrategy: <Object>
  19.     rollingUpdate: <Object>
  20.       partition: <integer> # 默认为0
  21.     type: <string> # 默认RollingUpdate
  22.   volumeClaimTemplates: <[]Object>
  23.   - apiVersion: <string>
  24.     kind: <string>
  25.     metadata: <Object>
  26.     spec: <Object>
  27.       accessModes: <[]string>
  28.       resources: <Object> # 参考链接：https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/
  29.         limits: <map[string]string>
  30.         requests: <map[string]string>
  31.           storage: 5Gi
  32.       dataSource: <Object>
  33.         apiGroup: <string>
  34.         kind: <string> -required-
  35.         name: <string> -required-
  36.       selector: <Object>
  37.         matchLabels: <map[string]string> 
  38.           key1: value1
  39.           key2: value2
  40.         matchExpressions: <[]Object>
  41.           operator: <string> -required- #设定标签键与一组值的关系，In, NotIn, Exists and DoesNotExist
  42.           key: <string> -required-
  43.           values: <[]string>
  44.       storageClassName: <string>
  45.       volumeMode: <string>
  46.       volumeName: <string>

三、DaemonSet资源配置（ds）

  1. apiVersion: extensions/v1beta1
  2. kind: DaemonSet
  3. metadata:
  4. spec:
  5.   minReadySeconds: <integer>
  6.   revisionHistoryLimit: <integer>
  7.   selector: <Object>
  8.   template: <Object> -required-
  9.   templateGeneration: <integer> #已过时
  10.   updateStrategy: <Object>

四、Pv资源配置

1、标配

  1. apiVersion: v1
  2. kind: PersistentVolume
  3. metadata: 
  4. spec:
  5.   accessModes: <[]string>  # 访问模式
  6.   persistentVolumeReclaimPolicy: <string>  # pv空间释放时处理机制
  7.   storageClassName: <string>  # 当前 PY 所属的 StorageClass 的名称
  8.   capacity: <map[string]string>
  9.     storage: 5Gi #容量设置

2、spec.nfs

  1. spec:
  2.   nfs: <Object>
  3.     server: <string> -required- # nfs服务器地址
  4.     path: <string> -required- # nfs服务器存储路径设置
  5.     readOnly: <boolean> # 是否只读

3、spec.hostPath

  1. spec:
  2.   hostPath: <Object>
  3.     path: <string> -required-
  4.     type: <string> # 参考链接：https://kubernetes.io/docs/concepts/storage/volumes/#hostpath

4、spec.storageos

  1. spec:
  2.   storageos: <Object>
  3.     fsType: <string> # "ext4", "xfs", "ntfs"，未指定默认为ext4
  4.     readOnly: <boolean>
  5.     volumeName: <string>
  6.     volumeNamespace: <string>
  7.     secretRef: <Object>
  8.       apiVersion: <string>
  9.       kind: <string>
  10.       name: <string>
  11.       namespace: <string>
  12.       fieldPath: <string>
  13.       resourceVersion: <string>
  14.       uid: <string>

五、Pvc资源配置

  1. apiVersion: v1
  2. kind: PersistentVolumeClaim
  3. metadata: 
  4. spec:
  5.   accessModes: <[]string>
  6.   storageClassName: <string>
  7.   volumeMode: <string>
  8.   volumeName: <string>
  9.   resources: <Object> # 参考链接：https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/
  10.     limits: <map[string]string>
  11.     requests: <map[string]string>
  12.       storage: 5Gi
  13.   dataSource: <Object>
  14.     apiGroup: <string>
  15.     kind: <string> -required-
  16.     name: <string> -required-
  17.   selector: <Object>
  18.     matchLabels: <map[string]string> 
  19.       key1: value1
  20.       key2: value2
  21.     matchExpressions: <[]Object>
  22.       operator: <string> -required- #设定标签键与一组值的关系，In, NotIn, Exists and DoesNotExist
  23.       key: <string> -required-
  24.       values: <[]string>

六、Service资源配置（svc）

  1. apiVersion: v1
  2. kind: Service
  3. metadata:
  4. spec:
  5.   clusterIP: <string>
  6.   externalIPs: <[]string>
  7.   externalName: <string>
  8.   externalTrafficPolicy: <string>
  9.   healthCheckNodePort: <integer>
  10.   loadBalancerIP: <string>
  11.   loadBalancerSourceRanges: <[]string>
  12.   ports: <[]Object>
  13.   publishNotReadyAddresses: <boolean>
  14.   selector: <map[string]string>
  15.     key: value
  16.   sessionAffinity: <string>
  17.   sessionAffinityConfig: <Object>
  18.     clientIP: <Object>
  19.       timeoutSeconds: <integer>
  20.   type: <string> # ExternalName, ClusterIP, NodePort, LoadBalancer

六、Ingress资源配置（ing）

  1. apiVersion: extensions/v1beta1
  2. kind: Ingress
  3. metadata:
  4. spec:
  5.   backend: <Object>
  6.     serviceName: <string> -required-
  7.     servicePort: <string> -required-
  8.   rules: <[]Object>
  9.     host: <string>
  10.     http: <Object>
  11.       paths: <[]Object> -required-
  12.         backend: <Object> -required-
  13.           serviceName: <string> -required-
  14.           servicePort: <string> -required-
  15.         path: <string>
  16.   tls: <[]Object>
  17.     hosts: <[]string>
  18.     secretName: <string>

七、ConfigMap资源配置（cm）

  1. apiVersion: v1
  2. kind: ConfigMap
  3. metadata:
  4. binaryData: <map[string]string>
  5. data: <map[string]string>

八、Secret资源配置

  1. apiVersion: v1
  2. kind: Secret
  3. metadata:
  4. data: <map[string]string>
  5. stringData: <map[string]string>
  6. type: <string>

九、HorizontalPodAutoscaler资源配置（hpa）

kubectl autoscale (-f FILENAME | TYPE NAME | TYPE/NAME) [--min=MINPODS] --max=MAXPODS [--cpu-percent=CPU] [options]

  1. spec:
  2.   maxReplicas: <integer> -required- # 最大副本数
  3.   minReplicas: <integer> # 最小副本数，默认为1
  4.   targetCPUUtilizationPercentage: <integer> # 
  5.   scaleTargetRef: <Object> -required- #设置指定资源类型
  6.     apiVersion: <string>
  7.     kind: <string> -required-
  8.     name: <string> -required-

十、LimitRanges资源配置（limits）

LimitRange 在名称空间中限制 Limits/Requests 的比例。如果指定了 LimitRange 对象的 spec.limits.maxLimitRequestRatio 字段，名称空间中的 Pod/容器的 request 和 limit 都不能为 0，且 limit 除以 request 的结果必须小于或等于 LimitRange 的 spec.limits.maxLimitRequestRatio

  1. apiVersion: v1
  2. kind: LimitRange
  3. metadata:
  4.   name: <string>
  5.   namespace: <string>
  6.   labels: <map[string]string>
  7. spec:
  8.   limits: 
  9.   - default: <map[string]string>
  10.     defaultRequest: <map[string]string>
  11.     max: <map[string]string>
  12.       memory: xxxMi
  13.       cpu: xxxm
  14.     maxLimitRequestRatio: <map[string]string>
  15.       memory: 2 # 限定了命名空间中任何Pod的最大内存限定（limit）不能超过最小内存的请求（request）的两倍
  16.     min: <map[string]string>
  17.       memory: xxxMi
  18.       cpu: xxxm
  19.     type: Container