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3.9.17. 在 Azure 中创建额外的 worker 机器

您可以通过分散启动各个实例或利用集群外自动化流程（如自动缩放组），在 Microsoft Azure 中为您的集群创建 worker 机器。您还可以利用 OpenShift Container Platform 中的内置集群扩展机制和机器 API。

在本例中，您要使用 Azure Resource Manager（ARM） 模板来手动启动一个实例。通过在文件中添加类型为 06_workers.json 的其他资源，即可启动其他实例。

注意

如果不使用提供的 ARM 模板来创建 worker 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。
  • 创建 control plane 机器。

流程

  1. 复制 worker 机器的 ARM 模板一节中的模板，并将它以 06_workers.json 保存到集群的安装目录中。此模板描述了集群所需的 worker 机器。

  2. 导出 worker 机器部署所需的以下变量： 

    $ export WORKER_IGNITION=`cat <installation_directory>/worker.ign | base64 | tr -d '\n'`
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  3. 使用 az CLI 创建部署： 

    $ az deployment group create -g ${RESOURCE_GROUP} \
  --template-file "<installation_directory>/06_workers.json" \
  --parameters workerIgnition="${WORKER_IGNITION}" \
    1 
    
  --parameters sshKeyData="${SSH_KEY}" \
    2 
    
  --parameters baseName="${INFRA_ID}"
    3
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    1
    worker 节点的 Ignition 内容。
    2
    作为字符串的 SSH RSA 公钥文件。
    3
    资源名称使用的基本名称 ; 这通常是集群的基础架构 ID。

3.9.17.1. worker 机器的 ARM 模板
复制链接

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

例 3.6. 06_workers.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)"
      }
    },
    "workerIgnition" : {
      "type" : "string",
      "metadata" : {
        "description" : "Ignition content for the worker nodes"
      }
    },
    "numberOfNodes" : {
      "type" : "int",
      "defaultValue" : 3,
      "minValue" : 2,
      "maxValue" : 30,
      "metadata" : {
        "description" : "Number of OpenShift compute nodes to deploy"
      }
    },
    "sshKeyData" : {
      "type" : "securestring",
      "metadata" : {
        "description" : "SSH RSA public key file as a string"
      }
    },
    "nodeVMSize" : {
      "type" : "string",
      "defaultValue" : "Standard_D4s_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 each Node Virtual Machine"
      }
    }
  },
  "variables" : {
    "location" : "[resourceGroup().location]",
    "virtualNetworkName" : "[concat(parameters('baseName'), '-vnet')]",
    "virtualNetworkID" : "[resourceId('Microsoft.Network/virtualNetworks', variables('virtualNetworkName'))]",
    "nodeSubnetName" : "[concat(parameters('baseName'), '-worker-subnet')]",
    "nodeSubnetRef" : "[concat(variables('virtualNetworkID'), '/subnets/', variables('nodeSubnetName'))]",
    "infraLoadBalancerName" : "[parameters('baseName')]",
    "sshKeyPath" : "/home/capi/.ssh/authorized_keys",
    "identityName" : "[concat(parameters('baseName'), '-identity')]",
    "imageName" : "[concat(parameters('baseName'), '-image')]",
    "copy" : [
      {
        "name" : "vmNames",
        "count" :  "[parameters('numberOfNodes')]",
        "input" : "[concat(parameters('baseName'), '-worker-', variables('location'), '-', copyIndex('vmNames', 1))]"
      }
    ]
  },
  "resources" : [
    {
      "apiVersion" : "2019-05-01",
      "name" : "[concat('node', copyIndex())]",
      "type" : "Microsoft.Resources/deployments",
      "copy" : {
        "name" : "nodeCopy",
        "count" : "[length(variables('vmNames'))]"
      },
      "properties" : {
        "mode" : "Incremental",
        "template" : {
          "$schema" : "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
          "contentVersion" : "1.0.0.0",
          "resources" : [
            {
              "apiVersion" : "2018-06-01",
              "type" : "Microsoft.Network/networkInterfaces",
              "name" : "[concat(variables('vmNames')[copyIndex()], '-nic')]",
              "location" : "[variables('location')]",
              "properties" : {
                "ipConfigurations" : [
                  {
                    "name" : "pipConfig",
                    "properties" : {
                      "privateIPAllocationMethod" : "Dynamic",
                      "subnet" : {
                        "id" : "[variables('nodeSubnetRef')]"
                      }
                    }
                  }
                ]
              }
            },
            {
              "apiVersion" : "2018-06-01",
              "type" : "Microsoft.Compute/virtualMachines",
              "name" : "[variables('vmNames')[copyIndex()]]",
              "location" : "[variables('location')]",
              "tags" : {
                "kubernetes.io-cluster-ffranzupi": "owned"
              },
              "identity" : {
                "type" : "userAssigned",
                "userAssignedIdentities" : {
                  "[resourceID('Microsoft.ManagedIdentity/userAssignedIdentities/', variables('identityName'))]" : {}
                }
              },
              "dependsOn" : [
                "[concat('Microsoft.Network/networkInterfaces/', concat(variables('vmNames')[copyIndex()], '-nic'))]"
              ],
              "properties" : {
                "hardwareProfile" : {
                  "vmSize" : "[parameters('nodeVMSize')]"
                },
                "osProfile" : {
                  "computerName" : "[variables('vmNames')[copyIndex()]]",
                  "adminUsername" : "capi",
                  "customData" : "[parameters('workerIgnition')]",
                  "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",
                    "managedDisk": {
                      "storageAccountType": "Premium_LRS"
                    },
                    "diskSizeGB": 128
                  }
                },
                "networkProfile" : {
                  "networkInterfaces" : [
                    {
                      "id" : "[resourceId('Microsoft.Network/networkInterfaces', concat(variables('vmNames')[copyIndex()], '-nic'))]",
                      "properties": {
                        "primary": true
                      }
                    }
                  ]
                }
              }
            }
          ]
        }
      }
    }
  ]
}
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