13.3. Nutanix 安装后配置

流程

1. 在 OpenShift Container Platform 命令行界面中，更新 Nutanix 集群配置设置：

   $ oc patch infrastructure/cluster --type=merge --patch-file=/dev/stdin <<-EOF
   {
     "spec": {
       "platformSpec": {
         "nutanix": {
           "prismCentral": {
             "address": "<prismcentral_address>",
             "port": <prismcentral_port>
           },
           "prismElements": [
             {
               "endpoint": {
                 "address": "<prismelement_address>",
                 "port": <prismelement_port>
               },
               "name": "<prismelement_clustername>"
             }
           ]
         },
         "type": "Nutanix"
       }
     }
   }
   EOF

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   输出示例

   infrastructure.config.openshift.io/cluster patched

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   如需了解更多详细信息，请参阅在 Nutanix 上创建机器集。

2. 创建 Nutanix secret：

   $ cat <<EOF | oc create -f -
   apiVersion: v1
   kind: Secret
   metadata:
      name: nutanix-credentials
      namespace: openshift-machine-api
   type: Opaque
   stringData:
     credentials: |
   [{"type":"basic_auth","data":{"prismCentral":{"username":"${<prismcentral_username>}","password":"${<prismcentral_password>}"},"prismElements":null}}]
   EOF

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   输出示例

   secret/nutanix-credentials created

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3. 安装 OpenShift Container Platform 版本 4.13 或更高版本时，更新 Nutanix 云供应商配置：

   1. 获取 Nutanix 云供应商配置 YAML 文件：

      $ oc get cm cloud-provider-config -o yaml -n openshift-config > cloud-provider-config-backup.yaml

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   2. 创建配置文件的备份：

      $ cp cloud-provider-config_backup.yaml cloud-provider-config.yaml

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   3. 打开配置 YAML 文件：

      $ vi cloud-provider-config.yaml

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   4. 编辑配置 YAML 文件，如下所示：

      kind: ConfigMap
      apiVersion: v1
      metadata:
        name: cloud-provider-config
        namespace: openshift-config
      data:
        config: |
          {
          	"prismCentral": {
          		"address": "<prismcentral_address>",
          		"port":<prismcentral_port>,
          		"credentialRef": {
          		   "kind": "Secret",
          		   "name": "nutanix-credentials",
          		   "namespace": "openshift-cloud-controller-manager"
          		}
          	},
          	"topologyDiscovery": {
          		"type": "Prism",
          		"topologyCategories": null
          	},
          	"enableCustomLabeling": true
          }

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   5. 应用配置更新：

      $ oc apply -f cloud-provider-config.yaml

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      输出示例

      Warning: resource configmaps/cloud-provider-config is missing the kubectl.kubernetes.io/last-applied-configuration annotation which is required by oc apply. oc apply should only be used on resources created declaratively by either oc create --save-config or oc apply. The missing annotation will be patched automatically.
      
      configmap/cloud-provider-config configured

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流程

1. 打开 Nutanix CSI Operator Group YAML 文件：

   $ vi openshift-cluster-csi-drivers-operator-group.yaml

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2. 编辑 YAML 文件，如下所示：

   apiVersion: operators.coreos.com/v1
   kind: OperatorGroup
   metadata:
     generateName: openshift-cluster-csi-drivers
     namespace: openshift-cluster-csi-drivers
   spec:
     targetNamespaces:
     - openshift-cluster-csi-drivers
     upgradeStrategy: Default

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3. 创建 Operator 组：

   $ oc create -f openshift-cluster-csi-drivers-operator-group.yaml

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   输出示例

   operatorgroup.operators.coreos.com/openshift-cluster-csi-driversjw9cd created

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流程

1. 获取 Nutanix CSI Operator YAML 文件的参数值：

   1. 检查 Nutanix CSI Operator 是否存在：

      $ oc get packagemanifests | grep nutanix

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      输出示例

      nutanixcsioperator   Certified Operators   129m

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   2. 将 Operator 的默认频道分配给 BASH 变量：

      $ DEFAULT_CHANNEL=$(oc get packagemanifests nutanixcsioperator -o jsonpath={.status.defaultChannel})

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   3. 将 Operator 的起始集群服务版本(CSV)分配给 BASH 变量：

      $ STARTING_CSV=$(oc get packagemanifests nutanixcsioperator -o jsonpath=\{.status.channels[*].currentCSV\})

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   4. 将订阅的目录源分配给 BASH 变量：

      $ CATALOG_SOURCE=$(oc get packagemanifests nutanixcsioperator -o jsonpath=\{.status.catalogSource\})

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   5. 将 Nutanix CSI Operator 源命名空间分配给 BASH 变量：

      $ SOURCE_NAMESPACE=$(oc get packagemanifests nutanixcsioperator -o jsonpath=\{.status.catalogSourceNamespace\})

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2. 使用 BASH 变量创建 Nutanix CSI Operator YAML 文件：

   $ cat << EOF > nutanixcsioperator.yaml
   apiVersion: operators.coreos.com/v1alpha1
   kind: Subscription
   metadata:
     name: nutanixcsioperator
     namespace: openshift-cluster-csi-drivers
   spec:
     channel: $DEFAULT_CHANNEL
     installPlanApproval: Automatic
     name: nutanixcsioperator
     source: $CATALOG_SOURCE
     sourceNamespace: $SOURCE_NAMESPACE
     startingCSV: $STARTING_CSV
   EOF

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3. 创建 CSI Nutanix Operator：

   $ oc apply -f nutanixcsioperator.yaml

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   输出示例

   subscription.operators.coreos.com/nutanixcsioperator created

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4. 运行以下命令，直到 Operator 订阅状态更改为 AtLatestKnown。这表明已创建了 Operator 订阅，可能需要一些时间。

   $ oc get subscription nutanixcsioperator -n openshift-cluster-csi-drivers -o 'jsonpath={..status.state}'

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流程

1. 创建 NutanixCsiStorage 资源来部署驱动程序：

   $ cat <<EOF | oc create -f -
   apiVersion: crd.nutanix.com/v1alpha1
   kind: NutanixCsiStorage
   metadata:
     name: nutanixcsistorage
     namespace: openshift-cluster-csi-drivers
   spec: {}
   EOF

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   输出示例

   snutanixcsistorage.crd.nutanix.com/nutanixcsistorage created

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2. 为 CSI 存储驱动程序创建一个 Nutanix secret YAML 文件：

   $ cat <<EOF | oc create -f -
   apiVersion: v1
   kind: Secret
   metadata:
     name: ntnx-secret
     namespace: openshift-cluster-csi-drivers
   stringData:
     # prism-element-ip:prism-port:admin:password
     key: <prismelement_address:prismelement_port:prismcentral_username:prismcentral_password> 

   1

   
   EOF

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   注意

   1

   使用实际值替换这些参数，同时保持相同的格式。

   输出示例

   secret/nutanix-secret created

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流程

1. 验证您可以创建一个存储类：

   $ cat <<EOF | oc create -f -
   kind: StorageClass
   apiVersion: storage.k8s.io/v1
   metadata:
     name: nutanix-volume
     annotations:
       storageclass.kubernetes.io/is-default-class: 'true'
   provisioner: csi.nutanix.com
   parameters:
     csi.storage.k8s.io/fstype: ext4
     csi.storage.k8s.io/provisioner-secret-namespace: openshift-cluster-csi-drivers
     csi.storage.k8s.io/provisioner-secret-name: ntnx-secret
     storageContainer: <nutanix_storage_container> 

   1

   
     csi.storage.k8s.io/controller-expand-secret-name: ntnx-secret
     csi.storage.k8s.io/node-publish-secret-namespace: openshift-cluster-csi-drivers
     storageType: NutanixVolumes
     csi.storage.k8s.io/node-publish-secret-name: ntnx-secret
     csi.storage.k8s.io/controller-expand-secret-namespace: openshift-cluster-csi-drivers
   reclaimPolicy: Delete
   allowVolumeExpansion: true
   volumeBindingMode: Immediate
   EOF

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   注意

   1

   从 Nutanix 配置中获取 <nutanix_storage_container>，例如 SelfServiceContainer。

   输出示例

   storageclass.storage.k8s.io/nutanix-volume created

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2. 验证您可以创建 Nutanix 持久性卷声明(PVC)：

   1. 创建持久性卷声明(PVC)：

      $ cat <<EOF | oc create -f -
      kind: PersistentVolumeClaim
      apiVersion: v1
      metadata:
        name: nutanix-volume-pvc
        namespace: openshift-cluster-csi-drivers
        annotations:
          volume.beta.kubernetes.io/storage-provisioner: csi.nutanix.com
          volume.kubernetes.io/storage-provisioner: csi.nutanix.com
        finalizers:
          - kubernetes.io/pvc-protection
      spec:
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: 1Gi
        storageClassName: nutanix-volume
        volumeMode: Filesystem
      EOF

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      输出示例

      persistentvolumeclaim/nutanix-volume-pvc created

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   2. 验证持久性卷声明(PVC)状态为 Bound：

      $ oc get pvc -n openshift-cluster-csi-drivers

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      输出示例

      NAME                 STATUS    VOLUME   CAPACITY   ACCESS MODES   STORAGECLASS     AGE
      nutanix-volume-pvc   Bound                                        nutanix-volume   52s

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