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AZ-104 - Administration - Azure ARM Templates

Deploy Azure infrastructure by using JSON ARM templates

 

ARM templates  are azure resource manager templates we create JSON files and provides

  • IaC (Infrastructure as code)
  • Deploy environments quickly
  • Repeatable deployments
ARM Template

Skeleton arm template

{
   "$schema" : "https://schema.management.azure.com"
     ,
      "contentVersion":
      "`1.0.0.0",
      "parameters": {},
      "variables": {},
      "resourceS": {},
      "outputs": {}
}

Parameters and variables: components are used to pass information to the template.

Resources: Define resources to use in the template

Outputs: Component is used to return output from the execution of the template

Example of a template:

azuredeploy.json template 
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "adminUsername": {
      "type": "string",
      "metadata": {
        "description": "Username for the Virtual Machine."
      }
    },
    "adminPassword": {
      "type": "secureString",
      "minLength": 12,
      "metadata": {
        "description": "Password for the Virtual Machine."
      }
    },
    "dnsLabelPrefix": {
      "type": "string",
      "defaultValue": "[toLower(format('{0}-{1}', parameters('vmName'), uniqueString(resourceGroup().id, parameters('vmName'))))]",
      "metadata": {
        "description": "Unique DNS Name for the Public IP used to access the Virtual Machine."
      }
    },
    "publicIpName": {
      "type": "string",
      "defaultValue": "myPublicIP",
      "metadata": {
        "description": "Name for the Public IP used to access the Virtual Machine."
      }
    },
    "publicIPAllocationMethod": {
      "type": "string",
      "defaultValue": "Dynamic",
      "allowedValues": [
        "Dynamic",
        "Static"
      ],
      "metadata": {
        "description": "Allocation method for the Public IP used to access the Virtual Machine."
      }
    },
    "publicIpSku": {
      "type": "string",
      "defaultValue": "Basic",
      "allowedValues": [
        "Basic",
        "Standard"
      ],
      "metadata": {
        "description": "SKU for the Public IP used to access the Virtual Machine."
      }
    },
    "OSVersion": {
      "type": "string",
      "defaultValue": "2022-datacenter-azure-edition-core",
      "allowedValues": [
        "2008-R2-SP1",
        "2008-R2-SP1-smalldisk",
        "2012-Datacenter",
        "2012-datacenter-gensecond",
        "2012-Datacenter-smalldisk",
        "2012-datacenter-smalldisk-g2",
        "2012-Datacenter-zhcn",
        "2012-datacenter-zhcn-g2",
        "2012-R2-Datacenter",
        "2012-r2-datacenter-gensecond",
        "2012-R2-Datacenter-smalldisk",
        "2012-r2-datacenter-smalldisk-g2",
        "2012-R2-Datacenter-zhcn",
        "2012-r2-datacenter-zhcn-g2",
        "2016-Datacenter",
        "2016-datacenter-gensecond",
        "2016-datacenter-gs",
        "2016-Datacenter-Server-Core",
        "2016-datacenter-server-core-g2",
        "2016-Datacenter-Server-Core-smalldisk",
        "2016-datacenter-server-core-smalldisk-g2",
        "2016-Datacenter-smalldisk",
        "2016-datacenter-smalldisk-g2",
        "2016-Datacenter-with-Containers",
        "2016-datacenter-with-containers-g2",
        "2016-datacenter-with-containers-gs",
        "2016-Datacenter-zhcn",
        "2016-datacenter-zhcn-g2",
        "2019-Datacenter",
        "2019-Datacenter-Core",
        "2019-datacenter-core-g2",
        "2019-Datacenter-Core-smalldisk",
        "2019-datacenter-core-smalldisk-g2",
        "2019-Datacenter-Core-with-Containers",
        "2019-datacenter-core-with-containers-g2",
        "2019-Datacenter-Core-with-Containers-smalldisk",
        "2019-datacenter-core-with-containers-smalldisk-g2",
        "2019-datacenter-gensecond",
        "2019-datacenter-gs",
        "2019-Datacenter-smalldisk",
        "2019-datacenter-smalldisk-g2",
        "2019-Datacenter-with-Containers",
        "2019-datacenter-with-containers-g2",
        "2019-datacenter-with-containers-gs",
        "2019-Datacenter-with-Containers-smalldisk",
        "2019-datacenter-with-containers-smalldisk-g2",
        "2019-Datacenter-zhcn",
        "2019-datacenter-zhcn-g2",
        "2022-datacenter",
        "2022-datacenter-azure-edition",
        "2022-datacenter-azure-edition-core",
        "2022-datacenter-azure-edition-core-smalldisk",
        "2022-datacenter-azure-edition-smalldisk",
        "2022-datacenter-core",
        "2022-datacenter-core-g2",
        "2022-datacenter-core-smalldisk",
        "2022-datacenter-core-smalldisk-g2",
        "2022-datacenter-g2",
        "2022-datacenter-smalldisk",
        "2022-datacenter-smalldisk-g2"
      ],
      "metadata": {
        "description": "The Windows version for the VM. This will pick a fully patched image of this given Windows version."
      }
    },
    "vmSize": {
      "type": "string",
      "defaultValue": "Standard_B2s",
      "metadata": {
        "description": "Size of the virtual machine."
      }
    },
    "location": {
      "type": "string",
      "defaultValue": "[resourceGroup().location]",
      "metadata": {
        "description": "Location for all resources."
      }
    },
    "vmName": {
      "type": "string",
      "defaultValue": "vm-demo-002",
      "metadata": {
        "description": "Name of the virtual machine."
      }
    }
  },
  "variables": {
    "storageAccountName": "[format('bootdiags{0}', uniqueString(resourceGroup().id))]",
    "nicName": "myVMNic",
    "addressPrefix": "10.0.0.0/16",
    "subnetName": "Subnet",
    "subnetPrefix": "10.0.0.0/24",
    "virtualNetworkName": "MyVNET",
    "networkSecurityGroupName": "default-NSG"
  },
  "resources": [
    {
      "type": "Microsoft.Storage/storageAccounts",
      "apiVersion": "2021-04-01",
      "name": "[variables('storageAccountName')]",
      "location": "[parameters('location')]",
      "sku": {
        "name": "Standard_LRS"
      },
      "kind": "Storage"
    },
    {
      "type": "Microsoft.Network/publicIPAddresses",
      "apiVersion": "2021-02-01",
      "name": "[parameters('publicIpName')]",
      "location": "[parameters('location')]",
      "sku": {
        "name": "[parameters('publicIpSku')]"
      },
      "properties": {
        "publicIPAllocationMethod": "[parameters('publicIPAllocationMethod')]",
        "dnsSettings": {
          "domainNameLabel": "[parameters('dnsLabelPrefix')]"
        }
      }
    },
    {
      "type": "Microsoft.Network/networkSecurityGroups",
      "apiVersion": "2021-02-01",
      "name": "[variables('networkSecurityGroupName')]",
      "location": "[parameters('location')]",
      "properties": {
        "securityRules": [
          {
            "name": "default-allow-3389",
            "properties": {
              "priority": 1000,
              "access": "Allow",
              "direction": "Inbound",
              "destinationPortRange": "3389",
              "protocol": "Tcp",
              "sourcePortRange": "*",
              "sourceAddressPrefix": "*",
              "destinationAddressPrefix": "*"
            }
          }
        ]
      }
    },
    {
      "type": "Microsoft.Network/virtualNetworks",
      "apiVersion": "2021-02-01",
      "name": "[variables('virtualNetworkName')]",
      "location": "[parameters('location')]",
      "properties": {
        "addressSpace": {
          "addressPrefixes": [
            "[variables('addressPrefix')]"
          ]
        },
        "subnets": [
          {
            "name": "[variables('subnetName')]",
            "properties": {
              "addressPrefix": "[variables('subnetPrefix')]",
              "networkSecurityGroup": {
                "id": "[resourceId('Microsoft.Network/networkSecurityGroups', variables('networkSecurityGroupName'))]"
              }
            }
          }
        ]
      },
      "dependsOn": [
        "[resourceId('Microsoft.Network/networkSecurityGroups', variables('networkSecurityGroupName'))]"
      ]
    },
    {
      "type": "Microsoft.Network/networkInterfaces",
      "apiVersion": "2021-02-01",
      "name": "[variables('nicName')]",
      "location": "[parameters('location')]",
      "properties": {
        "ipConfigurations": [
          {
            "name": "ipconfig1",
            "properties": {
              "privateIPAllocationMethod": "Dynamic",
              "publicIPAddress": {
                "id": "[resourceId('Microsoft.Network/publicIPAddresses', parameters('publicIpName'))]"
              },
              "subnet": {
                "id": "[resourceId('Microsoft.Network/virtualNetworks/subnets', variables('virtualNetworkName'), variables('subnetName'))]"
              }
            }
          }
        ]
      },
      "dependsOn": [
        "[resourceId('Microsoft.Network/publicIPAddresses', parameters('publicIpName'))]",
        "[resourceId('Microsoft.Network/virtualNetworks', variables('virtualNetworkName'))]"
      ]
    },
    {
      "type": "Microsoft.Compute/virtualMachines",
      "apiVersion": "2021-03-01",
      "name": "[parameters('vmName')]",
      "location": "[parameters('location')]",
      "properties": {
        "hardwareProfile": {
          "vmSize": "[parameters('vmSize')]"
        },
        "osProfile": {
          "computerName": "[parameters('vmName')]",
          "adminUsername": "[parameters('adminUsername')]",
          "adminPassword": "[parameters('adminPassword')]"
        },
        "storageProfile": {
          "imageReference": {
            "publisher": "MicrosoftWindowsServer",
            "offer": "WindowsServer",
            "sku": "[parameters('OSVersion')]",
            "version": "latest"
          },
          "osDisk": {
            "createOption": "FromImage",
            "managedDisk": {
              "storageAccountType": "StandardSSD_LRS"
            }
          },
          "dataDisks": [
            {
              "diskSizeGB": 1023,
              "lun": 0,
              "createOption": "Empty"
            }
          ]
        },
        "networkProfile": {
          "networkInterfaces": [
            {
              "id": "[resourceId('Microsoft.Network/networkInterfaces', variables('nicName'))]"
            }
          ]
        },
        "diagnosticsProfile": {
          "bootDiagnostics": {
            "enabled": true,
            "storageUri": "[reference(resourceId('Microsoft.Storage/storageAccounts', variables('storageAccountName'))).primaryEndpoints.blob]"
          }
        }
      },
      "dependsOn": [
        "[resourceId('Microsoft.Network/networkInterfaces', variables('nicName'))]",
        "[resourceId('Microsoft.Storage/storageAccounts', variables('storageAccountName'))]"
      ]
    }
  ],
  "outputs": {
    "hostname": {
      "type": "string",
      "value": "[reference(resourceId('Microsoft.Network/publicIPAddresses', parameters('publicIpName'))).dnsSettings.fqdn]"
    }
  }
}

Go to Deploy a custom template

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Build your own template in the editor

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Copy and paste the azuredeploy.json and save

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Fill out all parameters then review and create

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Deployment in progress

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