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3.9.15. 在 Azure 中创建 control plane 机器

您必须在 Microsoft Azure 中创建 control plane 机器，供您的集群使用。创建这些机器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 control plane 机器，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。
  • 在 Azure 中创建和配置 VNet 及相关子网。
  • 在 Azure 中创建和配置联网及负载均衡器。
  • 创建 control plane 和计算角色。
  • 创建 bootstrap 机器。

流程

  1. 复制 control plane 机器的 ARM 模板一节中的模板，并将它以 05_masters.json 保存到集群的安装目录中。此模板描述了集群所需的 control plane 机器。

  2. 导出 control plane 机器部署所需的以下变量： 

    $ export MASTER_IGNITION=`cat <installation_directory>/master.ign | base64 | tr -d '\n'`

  3. 使用 az CLI 创建部署： 

    $ az deployment group create -g ${RESOURCE_GROUP} \
  --template-file "<installation_directory>/05_masters.json" \
  --parameters masterIgnition="${MASTER_IGNITION}" \ 1
  --parameters sshKeyData="${SSH_KEY}" \ 2
  --parameters privateDNSZoneName="${CLUSTER_NAME}.${BASE_DOMAIN}" \ 3
  --parameters baseName="${INFRA_ID}"4
    1
    control plane 节点的 Ignition 内容（也称为 master 节点）。
    2
    作为字符串的 SSH RSA 公钥文件。
    3
    control plane 节点附加的私有 DNS 区域名称。
    4
    资源名称使用的基本名称 ; 这通常是集群的基础架构 ID。

3.9.15.1. control plane 机器的 ARM 模板

您可以使用以下 Azure Resource Manager（ARM）模板来部署 OpenShift Container Platform 集群所需的 control plane 机器：

例 3.5. 05_masters.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)"
      }
    },
    "masterIgnition" : {
      "type" : "string",
      "metadata" : {
        "description" : "Ignition content for the master nodes"
      }
    },
    "numberOfMasters" : {
      "type" : "int",
      "defaultValue" : 3,
      "minValue" : 2,
      "maxValue" : 30,
      "metadata" : {
        "description" : "Number of OpenShift masters to deploy"
      }
    },
    "sshKeyData" : {
      "type" : "securestring",
      "metadata" : {
        "description" : "SSH RSA public key file as a string"
      }
    },
    "privateDNSZoneName" : {
      "type" : "string",
      "metadata" : {
        "description" : "Name of the private DNS zone the master nodes are going to be attached to"
      }
    },
    "masterVMSize" : {
      "type" : "string",
      "defaultValue" : "Standard_D8s_v3",
      "allowedValues" : [
        "Standard_A2",
        "Standard_A3",
        "Standard_A4",
        "Standard_A5",
        "Standard_A6",
        "Standard_A7",
        "Standard_A8",
        "Standard_A9",
        "Standard_A10",
        "Standard_A11",
        "Standard_D2",
        "Standard_D3",
        "Standard_D4",
        "Standard_D11",
        "Standard_D12",
        "Standard_D13",
        "Standard_D14",
        "Standard_D2_v2",
        "Standard_D3_v2",
        "Standard_D4_v2",
        "Standard_D5_v2",
        "Standard_D8_v3",
        "Standard_D11_v2",
        "Standard_D12_v2",
        "Standard_D13_v2",
        "Standard_D14_v2",
        "Standard_E2_v3",
        "Standard_E4_v3",
        "Standard_E8_v3",
        "Standard_E16_v3",
        "Standard_E32_v3",
        "Standard_E64_v3",
        "Standard_E2s_v3",
        "Standard_E4s_v3",
        "Standard_E8s_v3",
        "Standard_E16s_v3",
        "Standard_E32s_v3",
        "Standard_E64s_v3",
        "Standard_G1",
        "Standard_G2",
        "Standard_G3",
        "Standard_G4",
        "Standard_G5",
        "Standard_DS2",
        "Standard_DS3",
        "Standard_DS4",
        "Standard_DS11",
        "Standard_DS12",
        "Standard_DS13",
        "Standard_DS14",
        "Standard_DS2_v2",
        "Standard_DS3_v2",
        "Standard_DS4_v2",
        "Standard_DS5_v2",
        "Standard_DS11_v2",
        "Standard_DS12_v2",
        "Standard_DS13_v2",
        "Standard_DS14_v2",
        "Standard_GS1",
        "Standard_GS2",
        "Standard_GS3",
        "Standard_GS4",
        "Standard_GS5",
        "Standard_D2s_v3",
        "Standard_D4s_v3",
        "Standard_D8s_v3"
      ],
      "metadata" : {
        "description" : "The size of the Master Virtual Machines"
      }
    },
    "diskSizeGB" : {
      "type" : "int",
      "defaultValue" : 1024,
      "metadata" : {
        "description" : "Size of the Master VM OS disk, in GB"
      }
    }
  },
  "variables" : {
    "location" : "[resourceGroup().location]",
    "virtualNetworkName" : "[concat(parameters('baseName'), '-vnet')]",
    "virtualNetworkID" : "[resourceId('Microsoft.Network/virtualNetworks', variables('virtualNetworkName'))]",
    "masterSubnetName" : "[concat(parameters('baseName'), '-master-subnet')]",
    "masterSubnetRef" : "[concat(variables('virtualNetworkID'), '/subnets/', variables('masterSubnetName'))]",
    "masterLoadBalancerName" : "[concat(parameters('baseName'), '-public-lb')]",
    "internalLoadBalancerName" : "[concat(parameters('baseName'), '-internal-lb')]",
    "sshKeyPath" : "/home/core/.ssh/authorized_keys",
    "identityName" : "[concat(parameters('baseName'), '-identity')]",
    "imageName" : "[concat(parameters('baseName'), '-image')]",
    "copy" : [
      {
        "name" : "vmNames",
        "count" :  "[parameters('numberOfMasters')]",
        "input" : "[concat(parameters('baseName'), '-master-', copyIndex('vmNames'))]"
      }
    ]
  },
  "resources" : [
    {
      "apiVersion" : "2018-06-01",
      "type" : "Microsoft.Network/networkInterfaces",
      "copy" : {
        "name" : "nicCopy",
        "count" : "[length(variables('vmNames'))]"
      },
      "name" : "[concat(variables('vmNames')[copyIndex()], '-nic')]",
      "location" : "[variables('location')]",
      "properties" : {
        "ipConfigurations" : [
          {
            "name" : "pipConfig",
            "properties" : {
              "privateIPAllocationMethod" : "Dynamic",
              "subnet" : {
                "id" : "[variables('masterSubnetRef')]"
              },
              "loadBalancerBackendAddressPools" : [
                {
                  "id" : "[concat('/subscriptions/', subscription().subscriptionId, '/resourceGroups/', resourceGroup().name, '/providers/Microsoft.Network/loadBalancers/', variables('masterLoadBalancerName'), '/backendAddressPools/public-lb-backend')]"
                },
                {
                  "id" : "[concat('/subscriptions/', subscription().subscriptionId, '/resourceGroups/', resourceGroup().name, '/providers/Microsoft.Network/loadBalancers/', variables('internalLoadBalancerName'), '/backendAddressPools/internal-lb-backend')]"
                }
              ]
            }
          }
        ]
      }
    },
    {
      "apiVersion": "2018-09-01",
      "type": "Microsoft.Network/privateDnsZones/SRV",
      "name": "[concat(parameters('privateDNSZoneName'), '/_etcd-server-ssl._tcp')]",
      "location" : "[variables('location')]",
      "properties": {
        "ttl": 60,
        "copy": [{
          "name": "srvRecords",
          "count": "[length(variables('vmNames'))]",
          "input": {
            "priority": 0,
            "weight" : 10,
            "port" : 2380,
            "target" : "[concat('etcd-', copyIndex('srvRecords'), '.', parameters('privateDNSZoneName'))]"
          }
        }]
      }
    },
    {
      "apiVersion": "2018-09-01",
      "type": "Microsoft.Network/privateDnsZones/A",
      "copy" : {
        "name" : "dnsCopy",
        "count" : "[length(variables('vmNames'))]"
      },
      "name": "[concat(parameters('privateDNSZoneName'), '/etcd-', copyIndex())]",
      "location" : "[variables('location')]",
      "dependsOn" : [
        "[concat('Microsoft.Network/networkInterfaces/', concat(variables('vmNames')[copyIndex()], '-nic'))]"
      ],
      "properties": {
        "ttl": 60,
        "aRecords": [
          {
            "ipv4Address": "[reference(concat(variables('vmNames')[copyIndex()], '-nic')).ipConfigurations[0].properties.privateIPAddress]"
          }
        ]
      }
    },
    {
      "apiVersion" : "2018-06-01",
      "type" : "Microsoft.Compute/virtualMachines",
      "copy" : {
        "name" : "vmCopy",
        "count" : "[length(variables('vmNames'))]"
      },
      "name" : "[variables('vmNames')[copyIndex()]]",
      "location" : "[variables('location')]",
      "identity" : {
        "type" : "userAssigned",
        "userAssignedIdentities" : {
          "[resourceID('Microsoft.ManagedIdentity/userAssignedIdentities/', variables('identityName'))]" : {}
        }
      },
      "dependsOn" : [
        "[concat('Microsoft.Network/networkInterfaces/', concat(variables('vmNames')[copyIndex()], '-nic'))]",
        "[concat('Microsoft.Network/privateDnsZones/', parameters('privateDNSZoneName'), '/A/etcd-', copyIndex())]",
        "[concat('Microsoft.Network/privateDnsZones/', parameters('privateDNSZoneName'), '/SRV/_etcd-server-ssl._tcp')]"
      ],
      "properties" : {
        "hardwareProfile" : {
          "vmSize" : "[parameters('masterVMSize')]"
        },
        "osProfile" : {
          "computerName" : "[variables('vmNames')[copyIndex()]]",
          "adminUsername" : "core",
          "customData" : "[parameters('masterIgnition')]",
          "linuxConfiguration" : {
            "disablePasswordAuthentication" : true,
            "ssh" : {
              "publicKeys" : [
                {
                  "path" : "[variables('sshKeyPath')]",
                  "keyData" : "[parameters('sshKeyData')]"
                }
              ]
            }
          }
        },
        "storageProfile" : {
          "imageReference": {
            "id": "[resourceId('Microsoft.Compute/images', variables('imageName'))]"
          },
          "osDisk" : {
            "name": "[concat(variables('vmNames')[copyIndex()], '_OSDisk')]",
            "osType" : "Linux",
            "createOption" : "FromImage",
            "caching": "ReadOnly",
            "writeAcceleratorEnabled": false,
            "managedDisk": {
              "storageAccountType": "Premium_LRS"
            },
            "diskSizeGB" : "[parameters('diskSizeGB')]"
          }
        },
        "networkProfile" : {
          "networkInterfaces" : [
            {
              "id" : "[resourceId('Microsoft.Network/networkInterfaces', concat(variables('vmNames')[copyIndex()], '-nic'))]",
              "properties": {
                "primary": false
              }
            }
          ]
        }
      }
    }
  ]
}
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