11.12. 在 Azure 中创建 VNet

您必须在 Microsoft Azure 中创建虚拟网络（VNet），供您的 OpenShift Container Platform 集群使用。您可以对 VNet 进行定制来满足您的要求。创建 VNet 的一种方法是修改提供的 Azure Resource Manager（ARM）模板。

注意

如果不使用提供的 ARM 模板来创建 Azure 基础架构，您必须检查提供的信息并手动创建基础架构。如果集群没有正确初始化，您可能需要联系红帽支持并提供您的安装日志。

先决条件

配置 Azure 帐户。
为集群生成 Ignition 配置文件。

流程

复制 VNet 的 ARM 模板 一节中的模板，并将它以 01_vnet.json 保存到集群的安装目录中。此模板描述了集群所需的 VNet。

使用 az CLI 创建部署：

az deployment group create -g ${RESOURCE_GROUP} \
  --template-file "<installation_directory>/01_vnet.json" \
  --parameters baseName="${INFRA_ID}"

$ az deployment group create -g ${RESOURCE_GROUP} \
  --template-file "<installation_directory>/01_vnet.json" \
  --parameters baseName="${INFRA_ID}"

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1: 资源名称使用的基本名称 ; 这通常是集群的基础架构 ID。

将 VNet 模板链接到私有 DNS 区域：

az network private-dns link vnet create -g ${RESOURCE_GROUP} -z ${CLUSTER_NAME}.${BASE_DOMAIN} -n ${INFRA_ID}-network-link -v "${INFRA_ID}-vnet" -e false

$ az network private-dns link vnet create -g ${RESOURCE_GROUP} -z ${CLUSTER_NAME}.${BASE_DOMAIN} -n ${INFRA_ID}-network-link -v "${INFRA_ID}-vnet" -e false

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11.12.1. VNet 的 ARM 模板
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您可以使用以下 Azure Resource Manager（ARM）模板来部署 OpenShift Container Platform 集群所需的 VPC：

例 11.22. 01_vnet.json ARM 模板

{
  "$schema" : "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion" : "1.0.0.0",
  "parameters" : {
    "baseName" : {
      "type" : "string",
      "minLength" : 1,
      "metadata" : {
        "description" : "Base name to be used in resource names (usually the cluster's Infra ID)"
      }
    }
  },
  "variables" : {
    "location" : "[resourceGroup().location]",
    "virtualNetworkName" : "[concat(parameters('baseName'), '-vnet')]",
    "addressPrefix" : "10.0.0.0/16",
    "masterSubnetName" : "[concat(parameters('baseName'), '-master-subnet')]",
    "masterSubnetPrefix" : "10.0.0.0/24",
    "nodeSubnetName" : "[concat(parameters('baseName'), '-worker-subnet')]",
    "nodeSubnetPrefix" : "10.0.1.0/24",
    "clusterNsgName" : "[concat(parameters('baseName'), '-nsg')]"
  },
  "resources" : [
    {
      "apiVersion" : "2018-12-01",
      "type" : "Microsoft.Network/virtualNetworks",
      "name" : "[variables('virtualNetworkName')]",
      "location" : "[variables('location')]",
      "dependsOn" : [
        "[concat('Microsoft.Network/networkSecurityGroups/', variables('clusterNsgName'))]"
      ],
      "properties" : {
        "addressSpace" : {
          "addressPrefixes" : [
            "[variables('addressPrefix')]"
          ]
        },
        "subnets" : [
          {
            "name" : "[variables('masterSubnetName')]",
            "properties" : {
              "addressPrefix" : "[variables('masterSubnetPrefix')]",
              "serviceEndpoints": [],
              "networkSecurityGroup" : {
                "id" : "[resourceId('Microsoft.Network/networkSecurityGroups', variables('clusterNsgName'))]"
              }
            }
          },
          {
            "name" : "[variables('nodeSubnetName')]",
            "properties" : {
              "addressPrefix" : "[variables('nodeSubnetPrefix')]",
              "serviceEndpoints": [],
              "networkSecurityGroup" : {
                "id" : "[resourceId('Microsoft.Network/networkSecurityGroups', variables('clusterNsgName'))]"
              }
            }
          }
        ]
      }
    },
    {
      "type" : "Microsoft.Network/networkSecurityGroups",
      "name" : "[variables('clusterNsgName')]",
      "apiVersion" : "2018-10-01",
      "location" : "[variables('location')]",
      "properties" : {
        "securityRules" : [
          {
            "name" : "apiserver_in",
            "properties" : {
              "protocol" : "Tcp",
              "sourcePortRange" : "*",
              "destinationPortRange" : "6443",
              "sourceAddressPrefix" : "*",
              "destinationAddressPrefix" : "*",
              "access" : "Allow",
              "priority" : 101,
              "direction" : "Inbound"
            }
          }
        ]
      }
    }
  ]
}

{
  "$schema" : "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion" : "1.0.0.0",
  "parameters" : {
    "baseName" : {
      "type" : "string",
      "minLength" : 1,
      "metadata" : {
        "description" : "Base name to be used in resource names (usually the cluster's Infra ID)"
      }
    }
  },
  "variables" : {
    "location" : "[resourceGroup().location]",
    "virtualNetworkName" : "[concat(parameters('baseName'), '-vnet')]",
    "addressPrefix" : "10.0.0.0/16",
    "masterSubnetName" : "[concat(parameters('baseName'), '-master-subnet')]",
    "masterSubnetPrefix" : "10.0.0.0/24",
    "nodeSubnetName" : "[concat(parameters('baseName'), '-worker-subnet')]",
    "nodeSubnetPrefix" : "10.0.1.0/24",
    "clusterNsgName" : "[concat(parameters('baseName'), '-nsg')]"
  },
  "resources" : [
    {
      "apiVersion" : "2018-12-01",
      "type" : "Microsoft.Network/virtualNetworks",
      "name" : "[variables('virtualNetworkName')]",
      "location" : "[variables('location')]",
      "dependsOn" : [
        "[concat('Microsoft.Network/networkSecurityGroups/', variables('clusterNsgName'))]"
      ],
      "properties" : {
        "addressSpace" : {
          "addressPrefixes" : [
            "[variables('addressPrefix')]"
          ]
        },
        "subnets" : [
          {
            "name" : "[variables('masterSubnetName')]",
            "properties" : {
              "addressPrefix" : "[variables('masterSubnetPrefix')]",
              "serviceEndpoints": [],
              "networkSecurityGroup" : {
                "id" : "[resourceId('Microsoft.Network/networkSecurityGroups', variables('clusterNsgName'))]"
              }
            }
          },
          {
            "name" : "[variables('nodeSubnetName')]",
            "properties" : {
              "addressPrefix" : "[variables('nodeSubnetPrefix')]",
              "serviceEndpoints": [],
              "networkSecurityGroup" : {
                "id" : "[resourceId('Microsoft.Network/networkSecurityGroups', variables('clusterNsgName'))]"
              }
            }
          }
        ]
      }
    },
    {
      "type" : "Microsoft.Network/networkSecurityGroups",
      "name" : "[variables('clusterNsgName')]",
      "apiVersion" : "2018-10-01",
      "location" : "[variables('location')]",
      "properties" : {
        "securityRules" : [
          {
            "name" : "apiserver_in",
            "properties" : {
              "protocol" : "Tcp",
              "sourcePortRange" : "*",
              "destinationPortRange" : "6443",
              "sourceAddressPrefix" : "*",
              "destinationAddressPrefix" : "*",
              "access" : "Allow",
              "priority" : 101,
              "direction" : "Inbound"
            }
          }
        ]
      }
    }
  ]
}

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