vms-script-extension.json

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "location": {
      "type": "string",
      "defaultValue": "eastus",
      "metadata": {
        "description": "azure region where is deployed the vnet"
      }
    },
    "adminUsername": {
      "type": "string",
      "metadata": {
        "description": "admin username"
      }
    },
    "adminPassword": {
      "type": "securestring",
      "metadata": {
        "description": "admin password"
      }
    }
  },
  "variables": {
    "vmSize": {
      "vmSize1": "Standard_B1s",
      "vmSize2": "Standard_DS1_v2"
    },
    "windows": {
      "imagePublisher": "MicrosoftWindowsServer",
      "imageOffer": "WindowsServer",
      "OSVersion": "2019-Datacenter",
      "vmsize": "[variables('vmSize').vmSize2]"
    },
    "linux": {
      "imagePublisher": "openlogic",
      "imageOffer": "CentOS",
      "OSVersion": "7.7",
      "vmsize": "[variables('vmSize').vmSize1]"
    },
    "vNet": {
      "location": "[parameters('location')]",
      "name": "vNet",
      "addressSpace1Prefix": "10.0.1.0/24",
      "subnet1Name": "subnet1",
      "subnet1Prefix": "10.0.1.0/24"
    },
    "nsg": {
      "name": "nsg",
      "location": "[variables('vNet').location]"
    },
    "adminUsername": "[parameters('adminUsername')]",
    "adminPassword": "[parameters('adminPassword')]",
 
    "vmarray": [
      {
        "location": "[variables('vNet').location]",
        "vmName": "vm1",
        "vmSize": "[variables('linux').vmsize]",
        "imagePublisher": "[variables('linux').imagePublisher]",
        "imageOffer": "[variables('linux').imageOffer]",
        "OSVersion": "[variables('linux').OSVersion]",
        "VNetName": "[variables('vNet').name]",
        "SubnetName": "[variables('vNet').subnet1Name]",
        "privateIP": "10.0.1.10",
        "ipforwarding": false
      },
      {
        "location": "[variables('vNet').location]",
        "vmName": "vm2",
        "vmSize": "[variables('windows').vmsize]",
        "imagePublisher": "[variables('windows').imagePublisher]",
        "imageOffer": "[variables('windows').imageOffer]",
        "OSVersion": "[variables('windows').OSVersion]",
        "VNetName": "[variables('vNet').name]",
        "SubnetName": "[variables('vNet').subnet1Name]",
        "privateIP": "10.0.1.20",
        "ipforwarding": false
      }
    ],
    "vmCount": "[length(variables('vmArray'))]",
    "linuxCommand" :"yum install -y httpd && systemctl enable httpd && systemctl start httpd && yum install -y epel-release && yum install -y iperf3 && yum install -y nload",
    "windowsCommand": "powershell.exe Install-WindowsFeature -name Web-Server -IncludeManagementTools && powershell.exe remove-item 'C:\\inetpub\\wwwroot\\iisstart.htm' && powershell.exe Add-Content -Path 'C:\\inetpub\\wwwroot\\iisstart.htm' -Value $('Hello World from ' + $env:computername) && powershell.exe New-NetFirewallRule -Name 'allow_ICMPv4_in' -DisplayName 'Allow ICMPv4' -Direction Inbound -Action Allow -Enabled True -Profile Any -Protocol ICMPv4"
  },
  "resources": [
    {
      "apiVersion": "2019-11-01",
      "type": "Microsoft.Network/networkSecurityGroups",
      "name": "[variables('nsg').name]",
      "location": "[variables('nsg').location]",
      "properties": {
        "securityRules": [
          {
            "name": "SSH-rule",
            "properties": {
              "description": "allow SSH",
              "protocol": "Tcp",
              "sourcePortRange": "*",
              "destinationPortRange": "22",
              "sourceAddressPrefix": "*",
              "destinationAddressPrefix": "VirtualNetwork",
              "access": "Allow",
              "priority": 500,
              "direction": "Inbound"
            }
          },
          {
            "name": "RDP-rule",
            "properties": {
              "description": "allow RDP",
              "protocol": "Tcp",
              "sourcePortRange": "*",
              "destinationPortRange": "3389",
              "sourceAddressPrefix": "*",
              "destinationAddressPrefix": "VirtualNetwork",
              "access": "Allow",
              "priority": 550,
              "direction": "Inbound"
            }
          }
        ]
      }
    },
    {
      "apiVersion": "2019-11-01",
      "type": "Microsoft.Network/virtualNetworks",
      "name": "[variables('vNet').name]",
      "location": "[variables('vNet').location]",
      "dependsOn": [
        "[resourceId('Microsoft.Network/networkSecurityGroups', variables('nsg').name)]"
      ],
      "comments": "This is the first vNet",
      "properties": {
        "addressSpace": {
          "addressPrefixes": [
            "[variables('vNet').addressSpace1Prefix]"
          ]
        },
        "subnets": [
          {
            "name": "[variables('vNet').subnet1Name]",
            "properties": {
              "addressPrefix": "[variables('vNet').subnet1Prefix]",
              "networkSecurityGroup": {
                "id": "[resourceId('Microsoft.Network/networkSecurityGroups', variables('nsg').name)]"
              }
            }
          }
        ]
      }
    },
    {
      "apiVersion": "2019-11-01",
      "type": "Microsoft.Network/publicIPAddresses",
      "name": "[concat(variables('vmArray')[copyIndex()].vmName,'-pubIP')]",
      "location": "[variables('vmArray')[copyIndex()].location]",
      "comments": "Public IP address VMs",
      "properties": {
        "publicIPAllocationMethod": "Dynamic"
      },
      "copy": {
        "name": "publicIpCopy",
        "count": "[variables('vmCount')]"
      }
    },
    {
      "apiVersion": "2019-11-01",
      "type": "Microsoft.Network/networkInterfaces",
      "name": "[concat( variables('vmArray')[copyIndex()].vmName,'-NIC' )]",
      "location": "[variables('vmArray')[copyIndex()].location]",
      "comments": "Create NICs of Azure VMs by loop",
      "dependsOn": [
        "[resourceId('Microsoft.Network/publicIPAddresses', concat(variables('vmArray')[copyIndex()].vmName,'-pubIP')  )]",
        "[resourceId('Microsoft.Network/virtualNetworks', variables('vmArray')[copyIndex()].VNetName)]"
      ],
      "properties": {
        "ipConfigurations": [
          {
            "name": "ipconfig1",
            "properties": {
              "privateIPAllocationMethod": "Static",
              "privateIPAddress": "[variables('vmArray')[copyIndex()].privateIP]",
              "publicIPAddress": {
                "id": "[resourceId('Microsoft.Network/publicIPAddresses',concat( variables('vmArray')[copyIndex()].vmName,'-pubIP' )  )]"
              },
              "subnet": {
                "id": "[resourceId('Microsoft.Network/virtualNetworks/subnets',variables('vmArray')[copyIndex()].VNetName, variables('vmArray')[copyIndex()].SubnetName)]"
              }
            }
          }
        ],
        "enableIPForwarding": "[variables('vmArray')[copyIndex()].ipforwarding]"
      },
      "copy": {
        "name": "nicCopy",
        "count": "[variables('vmCount')]"
      }
    },
    {
      "type": "Microsoft.Compute/virtualMachines",
      "name": "[variables('vmArray')[copyIndex()].vmName]",
      "apiVersion": "2019-07-01",
      "location": "[variables('vmArray')[copyIndex()].location]",
      "comments": "Create Azure VMs by loop",
      "dependsOn": [
        "[resourceId('Microsoft.Network/networkInterfaces', concat(variables('vmArray')[copyIndex()].vmName,'-NIC')  )]"
      ],
      "properties": {
        "hardwareProfile": {
          "vmSize": "[variables('vmArray')[copyIndex()].vmSize]"
        },
        "osProfile": {
          "computerName": "[variables('vmArray')[copyIndex()].vmName]",
          "adminUsername": "[variables('adminUsername')]",
          "adminPassword": "[variables('adminPassword')]"
        },
        "storageProfile": {
          "imageReference": {
            "publisher": "[variables('vmArray')[copyIndex()].imagePublisher]",
            "offer": "[variables('vmArray')[copyIndex()].imageOffer]",
            "sku": "[variables('vmArray')[copyIndex()].OSVersion]",
            "version": "latest"
          },
          "osDisk": {
            "name": "[concat(variables('vmArray')[copyIndex()].vmName,'-OSdisk')]",
            "createOption": "FromImage",
            "caching": "ReadWrite",
            "managedDisk": {
              "storageAccountType": "[if(contains(toUpper( substring(variables('vmArray')[copyIndex()].vmSize,lastIndexOf(variables('vmArray')[copyIndex()].vmSize, '_'))  ), 'S'),'Premium_LRS','Standard_LRS')]",
            }
          }
        },
        "networkProfile": {
          "networkInterfaces": [
            {
              "id": "[resourceId('Microsoft.Network/networkInterfaces', concat( variables('vmArray')[copyIndex()].vmName,'-NIC' )  )]"
            }
          ]
        }
      },
      "copy": {
        "name": "nodeCopy",
        "count": "[variables('vmCount')]"
      }
    },
    {
      "condition": "[equals(variables('vmArray')[copyIndex()].imageOffer, 'CentOS')]",
      "type": "Microsoft.Compute/virtualMachines/extensions",
      "apiVersion": "2019-07-01",
      "name": "[concat(variables('vmArray')[copyIndex()].vmName, '/', 'installcustomscript')]",
      "comments": "custom script extension to install httpd and iperf3 on CentOS",
      "location": "[variables('vmArray')[copyIndex()].location]",
      "copy": {
        "name": "nodeCopy",
        "count": "[variables('vmCount')]"
      },
      "dependsOn": [
        "[resourceId('Microsoft.Compute/virtualMachines', variables('vmArray')[copyIndex()].vmName )]"
      ],
      "properties": {
        "publisher": "Microsoft.Azure.Extensions",
        "type": "CustomScript",
        "typeHandlerVersion": "2.1",
        "autoUpgradeMinorVersion": true,
        "settings": {
          "commandToExecute": "[variables('linuxCommand')]"
        }
      }
    },
    {
      "condition": "[equals(variables('vmArray')[copyIndex()].imageOffer, 'WindowsServer')]",
      "type": "Microsoft.Compute/virtualMachines/extensions",
      "apiVersion": "2019-07-01",
      "name": "[concat(variables('vmArray')[copyIndex()].vmName, '/', 'InstallWebServer')]",
      "comments": "custom script extension to install IIS on the Windows server",
      "location": "[variables('vmArray')[copyIndex()].location]",
      "copy": {
        "name": "nodeCopy",
        "count": "[variables('vmCount')]"
      },
      "dependsOn": [
        "[resourceId('Microsoft.Compute/virtualMachines', variables('vmArray')[copyIndex()].vmName  )]"
      ],
      "properties": {
        "publisher": "Microsoft.Compute",
        "type": "CustomScriptExtension",
        "typeHandlerVersion": "1.9",
        "autoUpgradeMinorVersion": true,
        "settings": {
          "commandToExecute": "[variables('windowsCommand')]"
        }
      }
    }
  ]
}