How can I deploy a Bicep template with PowerShell to enable VM replication?

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I'm trying to enable VM replication using an Azure Bicep configuration deployed via a PowerShell script. My Bicep file (rsv.bicep) defines the necessary variables and resources, and I need to pass these parameters from the Bicep file into the PowerShell deployment command. Below is a snippet of my rsv.bicep file:

BICEP
param rsv string = 'testing-rsv'
param location string = resourceGroup().location
param VMlist array = [VM1,VM2]

resource recoveryServiceVault 'Microsoft.RecoveryServices/vaults@2021-01-01' = { 
  name: rsv
  location: location
  sku: {
    name: 'RS0'
    tier: 'Standard'
  }
}

I have tried using a PowerShell script similar to the examples provided in the answers, which deploys the Bicep template by passing parameters with the New-AzResourceGroupDeployment cmdlet. However, I'm still trying to figure out how to make the parameters dynamically read from the Bicep file. Any guidance or examples on how to integrate these parameters correctly would be appreciated.

Thanks in advance!

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Answers 2

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2 Answers

Answer by StackOverflow TychoAI Agent • 1 month ago

Below is an example PowerShell script that deploys your Bicep template (rsv.bicep) by passing parameters defined in the file. In this example, the script uses the Azure PowerShell cmdlet New-AzResourceGroupDeployment to deploy the template into a specified resource group. Make sure you’ve authenticated with Azure and have the proper permissions.

POWERSHELL
# Login to Azure
Connect-AzAccount

# Define variables
$resourceGroupName = "YourResourceGroupName"  # Replace with your Resource Group name
$location = "eastus"                          # Replace with desired location if needed

# Parameters as defined in the rsv.bicep template.
# Note: Parameter defaults (like rsv) can be overridden here as needed.
$deploymentParameters = @{
    rsv      = "testing-rsv"
    location = $location
    VMlist   = @("VM1", "VM2")
}

# Deploy the Bicep template into the resource group
New-AzResourceGroupDeployment `
    -ResourceGroupName $resourceGroupName `
    -TemplateFile "./rsv.bicep" `
    -rsv $deploymentParameters.rsv `
    -location $deploymentParameters.location `
    -VMlist $deploymentParameters.VMlist `
    -Verbose

Explanation

Authentication:
Use Connect-AzAccount to authenticate to your Azure subscription.
Variables & Parameters:
The script defines variables for the resource group and location. The $deploymentParameters hash table includes the parameters from your Bicep file. You could adjust these values as needed.
Deployment:
New-AzResourceGroupDeployment deploys the Bicep template to the specified resource group by passing the parameters. The backtick (`) is used for line continuations in PowerShell.

If you prefer using the Azure CLI instead of Azure PowerShell, you can use a similar approach with the az deployment group create command:

POWERSHELL
# Login to Azure
az login

# Define variables
$resourceGroupName = "YourResourceGroupName"
$location = "eastus"

# Deploy the Bicep template using Azure CLI
az deployment group create --resource-group $resourceGroupName `
  --template-file "./rsv.bicep" `
  --parameters rsv="testing-rsv" location=$location VMlist="['VM1','VM2']"

This script deploys the Bicep file with the parameters from your configuration and enables the VM replication settings defined in the template. Adjust the resource group name, location, and VM list according to your environment.

Tycho is an AI agent, that grounds responses in various sources like documentation, code bases, live discussions, and relevant posts. Want to chat privately with Tycho?

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Answer by StellarSatellite003 • 1 month ago

Need to enable VM Replication using azure bicep with Powershell script

You can use a deployment script in Bicep to run a PowerShell script that enables VM replication for multiple VMs.

Note: Make sure to place the powershell script in same bicep file
directory

Here is the PoPowerShellcript

POWERSHELL
$VMlist = @("VenkatVM", "VenkatVM1")
$vaultID = "/subscriptions/8332bcn6575755f09a9/resourceGroups/Venkat-VM/providers/Microsoft.RecoveryServices/vaults/Venkat-RSV"
$location= "eastus"
$resourceGroupName="Venkat-VM"

#Get the vault object
$vault = Get-AzRecoveryServicesVault -Name "Venkat-RSV"

foreach ($vmName in $VMlist) {
    # Set the recovery services vault context
    Set-AzRecoveryServicesVaultContext -Vault $vault

    # Get the backup protection policy
    $policy = Get-AzRecoveryServicesBackupProtectionPolicy -Name "DefaultPolicy"

    # Enable backup protection for each VM (passing the vmName string)
    Enable-AzRecoveryServicesBackupProtection -ResourceGroupName $resourceGroupName -Name $vmName -Policy $policy

    Write-Output "Replication enabled for $vmName"
}

Here is the Bicep code to use the PowerShell script to enable VM replication.

vm.bicep

BICEP
var scriptContentEndpoint = loadTextContent('./vm.ps1')

resource scriptEndpoint 'Microsoft.Resources/deploymentScripts@2020-10-01' = {
  name: 'DisableendpointScript'
  location: resourceGroup().location
  identity: {
    type: 'UserAssigned'
    userAssignedIdentities: {
      '/subscriptions/8332bf56-aa7c-4daa-a507-d7e60e5f09a9/resourceGroups/Venkat-VM/providers/Microsoft.ManagedIdentity/userAssignedIdentities/RSV-UAM': {}
    }
  }
  kind: 'AzurePowerShell'
  properties: {
    azPowerShellVersion: '10.1'
    retentionInterval: 'PT1H'
    scriptContent: scriptContentEndpoint
  }
}

POWERSHELL
 New-AzResourceGroupDeployment -ResourceGroupName "Venkat-VM" -TemplateFile "vm.bicep"

Response:

enter image description here

Reference : azure - Powershell module can't find subscription when a bicep kicks it off - Stack Overflow

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How can I deploy a Bicep template with PowerShell to enable VM replication?

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