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Inicio rápido: Creación de un equilibrador de carga interno para equilibrar la carga de las máquinas virtuales mediante una plantilla de ARM

  • Artículo

En esta guía de inicio rápido aprenderá a usar una plantilla de Azure Resource Manager (plantilla de ARM) para crear un equilibrador de carga interno de Azure. El equilibrador de carga interno distribuye el tráfico a las máquinas virtuales de una red virtual ubicada en el grupo de back-end del equilibrador de carga. Junto con el equilibrador de carga interno, esta plantilla crea una red virtual, interfaces de red, una NAT Gateway y una instancia de Azure Bastion.

Diagrama de recursos implementados para un equilibrador de carga público estándar.

El uso de una plantilla de Resource Manager requiere menos pasos que otros métodos de implementación.

Una plantilla de Azure Resource Manager es un archivo de notación de objetos JavaScript (JSON) que define tanto la infraestructura como la configuración de un proyecto. La plantilla usa sintaxis declarativa. Se describe la implementación deseada sin escribir la secuencia de comandos de programación para crear la implementación.

Si su entorno cumple los requisitos previos y está familiarizado con el uso de plantillas de Resource Manager, seleccione el botón Implementar en Azure. La plantilla se abre en Azure Portal.

Botón para implementar la plantilla de Resource Manager en Azure.

Requisitos previos

Si no tiene una suscripción a Azure, cree una cuenta gratuita antes de empezar.

Revisión de la plantilla

La plantilla utilizada en esta guía de inicio rápido forma parte de las plantillas de inicio rápido de Azure.

JSON 
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "metadata": {
    "_generator": {
      "name": "bicep",
      "version": "0.27.1.19265",
      "templateHash": "14348520895393914284"
    }
  },
  "parameters": {
    "adminUsername": {
      "type": "string",
      "metadata": {
        "description": "Admin username"
      }
    },
    "adminPassword": {
      "type": "securestring",
      "metadata": {
        "description": "Admin password"
      }
    },
    "vmNamePrefix": {
      "type": "string",
      "defaultValue": "BackendVM",
      "metadata": {
        "description": "Prefix to use for VM names"
      }
    },
    "location": {
      "type": "string",
      "defaultValue": "[resourceGroup().location]",
      "metadata": {
        "description": "Location for all resources."
      }
    },
    "vmSize": {
      "type": "string",
      "defaultValue": "Standard_D2s_v3",
      "metadata": {
        "description": "Size of VM"
      }
    },
    "vNetAddressPrefix": {
      "type": "string",
      "defaultValue": "10.0.0.0/16",
      "metadata": {
        "description": "Virtual network address prefix"
      }
    },
    "vNetSubnetAddressPrefix": {
      "type": "string",
      "defaultValue": "10.0.0.0/24",
      "metadata": {
        "description": "Backend subnet address prefix"
      }
    },
    "vNetBastionSubnetAddressPrefix": {
      "type": "string",
      "defaultValue": "10.0.2.0/24",
      "metadata": {
        "description": "Bastion subnet address prefix"
      }
    },
    "lbPublicIPAddress": {
      "type": "string",
      "defaultValue": "10.0.0.6",
      "metadata": {
        "description": "Public IP address of load balancer"
      }
    }
  },
  "variables": {
    "natGatewayName": "lb-nat-gateway",
    "natGatewayPublicIPAddressName": "lb-nat-gateway-ip",
    "vNetName": "lb-vnet",
    "vNetSubnetName": "backend-subnet",
    "storageAccountType": "Standard_LRS",
    "storageAccountName": "[uniqueString(resourceGroup().id)]",
    "loadBalancerName": "internal-lb",
    "networkInterfaceName": "lb-nic",
    "numberOfInstances": 2,
    "lbSkuName": "Standard",
    "bastionName": "lb-bastion",
    "bastionSubnetName": "AzureBastionSubnet",
    "bastionPublicIPAddressName": "lb-bastion-ip"
  },
  "resources": [
    {
      "type": "Microsoft.Network/natGateways",
      "apiVersion": "2023-09-01",
      "name": "[variables('natGatewayName')]",
      "location": "[parameters('location')]",
      "sku": {
        "name": "Standard"
      },
      "properties": {
        "idleTimeoutInMinutes": 4,
        "publicIpAddresses": [
          {
            "id": "[resourceId('Microsoft.Network/publicIPAddresses', variables('natGatewayPublicIPAddressName'))]"
          }
        ]
      },
      "dependsOn": [
        "[resourceId('Microsoft.Network/publicIPAddresses', variables('natGatewayPublicIPAddressName'))]"
      ]
    },
    {
      "type": "Microsoft.Network/publicIPAddresses",
      "apiVersion": "2023-09-01",
      "name": "[variables('natGatewayPublicIPAddressName')]",
      "location": "[parameters('location')]",
      "sku": {
        "name": "Standard"
      },
      "properties": {
        "publicIPAddressVersion": "IPv4",
        "publicIPAllocationMethod": "Static",
        "idleTimeoutInMinutes": 4
      }
    },
    {
      "type": "Microsoft.Network/virtualNetworks",
      "apiVersion": "2023-09-01",
      "name": "[variables('vNetName')]",
      "location": "[parameters('location')]",
      "properties": {
        "addressSpace": {
          "addressPrefixes": [
            "[parameters('vNetAddressPrefix')]"
          ]
        }
      }
    },
    {
      "type": "Microsoft.Network/virtualNetworks/subnets",
      "apiVersion": "2023-09-01",
      "name": "[format('{0}/{1}', variables('vNetName'), variables('bastionSubnetName'))]",
      "properties": {
        "addressPrefix": "[parameters('vNetBastionSubnetAddressPrefix')]"
      },
      "dependsOn": [
        "[resourceId('Microsoft.Network/virtualNetworks', variables('vNetName'))]"
      ]
    },
    {
      "type": "Microsoft.Network/virtualNetworks/subnets",
      "apiVersion": "2023-09-01",
      "name": "[format('{0}/{1}', variables('vNetName'), variables('vNetSubnetName'))]",
      "properties": {
        "addressPrefix": "[parameters('vNetSubnetAddressPrefix')]",
        "natGateway": {
          "id": "[resourceId('Microsoft.Network/natGateways', variables('natGatewayName'))]"
        }
      },
      "dependsOn": [
        "[resourceId('Microsoft.Network/natGateways', variables('natGatewayName'))]",
        "[resourceId('Microsoft.Network/virtualNetworks', variables('vNetName'))]"
      ]
    },
    {
      "type": "Microsoft.Network/bastionHosts",
      "apiVersion": "2023-09-01",
      "name": "[variables('bastionName')]",
      "location": "[parameters('location')]",
      "properties": {
        "ipConfigurations": [
          {
            "name": "IpConf",
            "properties": {
              "privateIPAllocationMethod": "Dynamic",
              "publicIPAddress": {
                "id": "[resourceId('Microsoft.Network/publicIPAddresses', variables('bastionPublicIPAddressName'))]"
              },
              "subnet": {
                "id": "[resourceId('Microsoft.Network/virtualNetworks/subnets', variables('vNetName'), variables('bastionSubnetName'))]"
              }
            }
          }
        ]
      },
      "dependsOn": [
        "[resourceId('Microsoft.Network/publicIPAddresses', variables('bastionPublicIPAddressName'))]",
        "[resourceId('Microsoft.Network/virtualNetworks/subnets', variables('vNetName'), variables('bastionSubnetName'))]"
      ]
    },
    {
      "type": "Microsoft.Network/publicIPAddresses",
      "apiVersion": "2023-09-01",
      "name": "[variables('bastionPublicIPAddressName')]",
      "location": "[parameters('location')]",
      "sku": {
        "name": "[variables('lbSkuName')]"
      },
      "properties": {
        "publicIPAddressVersion": "IPv4",
        "publicIPAllocationMethod": "Static"
      }
    },
    {
      "copy": {
        "name": "networkInterface",
        "count": "[length(range(0, variables('numberOfInstances')))]"
      },
      "type": "Microsoft.Network/networkInterfaces",
      "apiVersion": "2023-09-01",
      "name": "[format('{0}{1}', variables('networkInterfaceName'), range(0, variables('numberOfInstances'))[copyIndex()])]",
      "location": "[parameters('location')]",
      "properties": {
        "ipConfigurations": [
          {
            "name": "ipconfig1",
            "properties": {
              "privateIPAllocationMethod": "Dynamic",
              "subnet": {
                "id": "[resourceId('Microsoft.Network/virtualNetworks/subnets', variables('vNetName'), variables('vNetSubnetName'))]"
              },
              "loadBalancerBackendAddressPools": [
                {
                  "id": "[resourceId('Microsoft.Network/loadBalancers/backendAddressPools', variables('loadBalancerName'), 'BackendPool1')]"
                }
              ]
            }
          }
        ]
      },
      "dependsOn": [
        "[resourceId('Microsoft.Network/loadBalancers', variables('loadBalancerName'))]",
        "[resourceId('Microsoft.Network/virtualNetworks', variables('vNetName'))]",
        "[resourceId('Microsoft.Network/virtualNetworks/subnets', variables('vNetName'), variables('vNetSubnetName'))]"
      ]
    },
    {
      "type": "Microsoft.Network/loadBalancers",
      "apiVersion": "2023-09-01",
      "name": "[variables('loadBalancerName')]",
      "location": "[parameters('location')]",
      "sku": {
        "name": "Standard"
      },
      "properties": {
        "frontendIPConfigurations": [
          {
            "properties": {
              "subnet": {
                "id": "[resourceId('Microsoft.Network/virtualNetworks/subnets', variables('vNetName'), variables('vNetSubnetName'))]"
              },
              "privateIPAddress": "[parameters('lbPublicIPAddress')]",
              "privateIPAllocationMethod": "Static"
            },
            "name": "LoadBalancerFrontend"
          }
        ],
        "backendAddressPools": [
          {
            "name": "BackendPool1"
          }
        ],
        "loadBalancingRules": [
          {
            "properties": {
              "frontendIPConfiguration": {
                "id": "[resourceId('Microsoft.Network/loadBalancers/frontendIpConfigurations', variables('loadBalancerName'), 'LoadBalancerFrontend')]"
              },
              "backendAddressPool": {
                "id": "[resourceId('Microsoft.Network/loadBalancers/backendAddressPools', variables('loadBalancerName'), 'BackendPool1')]"
              },
              "probe": {
                "id": "[resourceId('Microsoft.Network/loadBalancers/probes', variables('loadBalancerName'), 'lbprobe')]"
              },
              "protocol": "Tcp",
              "frontendPort": 80,
              "backendPort": 80,
              "idleTimeoutInMinutes": 15
            },
            "name": "lbrule"
          }
        ],
        "probes": [
          {
            "properties": {
              "protocol": "Tcp",
              "port": 80,
              "intervalInSeconds": 15,
              "numberOfProbes": 2
            },
            "name": "lbprobe"
          }
        ]
      },
      "dependsOn": [
        "[resourceId('Microsoft.Network/virtualNetworks/subnets', variables('vNetName'), variables('vNetSubnetName'))]"
      ]
    },
    {
      "type": "Microsoft.Storage/storageAccounts",
      "apiVersion": "2023-01-01",
      "name": "[variables('storageAccountName')]",
      "location": "[parameters('location')]",
      "sku": {
        "name": "[variables('storageAccountType')]"
      },
      "kind": "StorageV2"
    },
    {
      "copy": {
        "name": "vm",
        "count": "[length(range(0, variables('numberOfInstances')))]"
      },
      "type": "Microsoft.Compute/virtualMachines",
      "apiVersion": "2023-09-01",
      "name": "[format('{0}{1}', parameters('vmNamePrefix'), range(0, variables('numberOfInstances'))[copyIndex()])]",
      "location": "[parameters('location')]",
      "properties": {
        "hardwareProfile": {
          "vmSize": "[parameters('vmSize')]"
        },
        "osProfile": {
          "computerName": "[format('{0}{1}', parameters('vmNamePrefix'), range(0, variables('numberOfInstances'))[copyIndex()])]",
          "adminUsername": "[parameters('adminUsername')]",
          "adminPassword": "[parameters('adminPassword')]"
        },
        "storageProfile": {
          "imageReference": {
            "publisher": "MicrosoftWindowsServer",
            "offer": "WindowsServer",
            "sku": "2019-Datacenter",
            "version": "latest"
          },
          "osDisk": {
            "createOption": "FromImage"
          }
        },
        "networkProfile": {
          "networkInterfaces": [
            {
              "id": "[resourceId('Microsoft.Network/networkInterfaces', format('{0}{1}', variables('networkInterfaceName'), range(0, variables('numberOfInstances'))[range(0, variables('numberOfInstances'))[copyIndex()]]))]"
            }
          ]
        },
        "diagnosticsProfile": {
          "bootDiagnostics": {
            "enabled": true,
            "storageUri": "[reference(resourceId('Microsoft.Storage/storageAccounts', variables('storageAccountName')), '2023-01-01').primaryEndpoints.blob]"
          }
        }
      },
      "dependsOn": [
        "[resourceId('Microsoft.Network/networkInterfaces', format('{0}{1}', variables('networkInterfaceName'), range(0, variables('numberOfInstances'))[range(0, variables('numberOfInstances'))[copyIndex()]]))]",
        "[resourceId('Microsoft.Storage/storageAccounts', variables('storageAccountName'))]"
      ]
    }
  ],
  "outputs": {
    "location": {
      "type": "string",
      "value": "[parameters('location')]"
    },
    "name": {
      "type": "string",
      "value": "[variables('loadBalancerName')]"
    },
    "resourceGroupName": {
      "type": "string",
      "value": "[resourceGroup().name]"
    },
    "resourceId": {
      "type": "string",
      "value": "[resourceId('Microsoft.Network/loadBalancers', variables('loadBalancerName'))]"
    }
  }
}

En la plantilla se han definido varios recursos de Azure:

Para encontrar más plantillas relacionadas con Azure Load Balancer, consulte Plantillas de inicio rápido de Azure.

Implementación de la plantilla

En este paso, implementará la plantilla mediante Azure PowerShell con el comando [New-AzResourceGroupDeployment](/powershell/module/az.resources/new-azresourcegroupdeployment).

  1. Seleccione Try It (Probarlo) en el bloque de código siguiente para abrir Azure Cloud Shell y siga las instrucciones para iniciar sesión en Azure.

  2. Implemente el archivo de Bicep mediante la CLI de Azure o Azure PowerShell.

    Azure CLI 
     echo "Enter a project name with 12 or less letters or numbers that is used to generate Azure resource names"
 read projectName
 echo "Enter the location (i.e. centralus)"
 read location

 resourceGroupName="${projectName}rg"
 templateUri="https://raw.githubusercontent.com/Azure/azure-quickstart-templates/master/quickstarts/microsoft.network/internal-loadbalancer-create/azuredeploy.json"

 az group create --name $resourceGroupName --location $location
 az deployment group create --resource-group $resourceGroupName --template-uri $templateUri --name $projectName --parameters location=$location

 read -p "Press [ENTER] to continue."

    Se le pedirá que escriba los siguientes valores:

    • projectName: se usa para generar nombres de recursos.
    • adminUsername: el nombre de usuario del administrador de la máquina virtual.
    • adminPassword: la contraseña del administrador de la máquina virtual.

Tardará unos 10 minutos en implementar la plantilla.

Se usan Azure PowerShell o la CLI de Azure para implementar la plantilla. También es posible usar Azure Portal y la API de REST. Para obtener información sobre otros métodos de implementación, consulte Implementación de plantillas.

Revisión de los recursos implementados

Use la CLI de Azure o Azure PowerShell para enumerar los recursos implementados en el grupo de recursos con los comandos siguientes:

Azure CLI 
az resource list --resource-group $resourceGroupName

Limpieza de recursos

Cuando ya no los necesite, use la CLI de Azure o Azure PowerShell para eliminar el grupo de recursos y sus recursos con los comandos siguientes:

Azure CLI 
Remove-AzResourceGroup -Name "${projectName}rg"

Pasos siguientes

Para obtener un tutorial paso a paso que le guíe en el proceso de creación de una plantilla, consulte:

Tutorial: Creación e implementación de su primera plantilla de Resource Manager