Azure Arm Template Custom Script Extension Linux

I noticed there is a pre-existing image with Ubuntu available, and there is a Docker VM Extension that you can apply during provisioning that will install/configure Docker, and it can use Docker Compose to spin up one or more containers too. By providing PowerShell Scripts to Run after VM deployment via ARM Template, you can accomplish various activities. There are also disadvantages to applying the Azure CLI compared to ARM templates. Troubleshooting issues. today I'm gonna show you a way to automatically deploy and customize virtual machines in Azure Resource Manager without using ARM templates. ARM Extension When working with Azure Resource Manager (ARM), you have the option to leverage the “ADDomainExtension” in order to get your VM to join the domain. Shared Resources in Azure Automation allow for the reuse of credentials, modules, scheduled, connections, certificates and variables. You love PowerShell, have a custom VM image (specialized or generalized) and you want to create a new virtual machine from it under Azure Resource Manager API? You're at the right place Prerequisites. At the step number 3 of the creation process, click Extensions to open a new blade that will list the available VM Extensions: Custom Scripts. The script can be uploaded to an Azure Storage account or GitHub. This article also provides troubleshooting steps for Linux systems. ARM Templates: Encrypt VMs with Azure Disk Encryption Azure Disk Encryption (ADE) allows you to encrypt the operating system and data drives of a virtual machine in Azure. An Azure Resource Manager Template makes it possible for you to deploy and manage these resources together by using a JSON description of the resources and associated deployment parameters. Over time, we have Built Kali Linux for a wide selection of ARM hardware and offered these images for public download. Finding and replacing text in your API projects is quick and easy in Postman. I searched for some samples and blogs and found a trusted friend's blog post - Kirk Evans' - Creating. In this multi-part blog, I will be showing how to automatically install and configure a new ADFS Farm. Enabling an Azure custom script extension for Windows can be done in a few ways. Build and run code on a remote machine or Windows Subsystem for Linux and browse, edit, and debug from within Visual Studio. I published two linked templates in my ARMSeries repo that can be used to deploy modules to Azure Automation accounts. Calling Linux Custom Script Extensions from PowerShell If you run Linux VM's on Azure, then you at some point will want to call a Custom Script Extension that runs your own script (bash etc) to perform some operations within the virtual machine. So I use an Azure File Premium to share events, logs and analytics reports inside the application. This Azure Automation runbook can be used to push a script or scriptblock to an Azure VM using the Custom Script extension component of the Azure VM Agent. 7) Select Custom Script Extension 8) Select Create. One of Azure’s most common VM Extensions is the JoinADDomainExtension, which will join your Azure VM to an Active Directory machine after the machine has successfully been provisioned. We copy database via ARM template but afterwards we have to connect to that database and run custom SQL script to create contained user. Pedersen on August 4, 2015 • ( Leave a comment). In order to use a PowerShell script from a template, the script must be called from a URL. Azure VM Agent & Extensions Deep Dive - Part 3 The aim of this series is to detail what happens "under the hood" when the Azure VM Agent and VM Extensions are installed and how they operate. Adding Azure VM auto shutdown via ARM template This post is intended to show how can we use a simple Azure feature via ARM template. Uninstall custom script extension in Azure VM This runbook uninstalls the custom script extension from the Azure VMs brought up by ASR (Azure Site Recovery) failover. In this article, I will walk you through using Custom Script Extension feature of Microsoft Azure, that lets you execute PowerShell scripts once the Operating System is deployed. Automating the task of deploying Azure VMs in Availability Set. If your writing ARM templates for Azure you'll have found that the amount of tooling available for authoring templates is fairly limited. We will upload the script in the Azure Storage account and pass that link here in the Terraform configuration for Virtual Machine Extension. Linux Virtual Machine Extensions for Azure. Uninstall custom script extension in Azure VM This runbook uninstalls the custom script extension from the Azure VMs brought up by ASR (Azure Site Recovery) failover. We normally develop ARM Templates using Visual Studio Code, then manage and release the code using Azure DevOps. By default, the Windows Custom Script Extension in Azure will run as Local System. The first step is to create the initial PowerShell script that is going to be used for custom script extensions. Modify your para. ARM templates is the deployment model. Put a loop around apt-get until it returns success. Use the custom logging feature to archive files from your virtual machine and place them in a custom blob container. Contribute to Azure/azure-linux-extensions development by creating an account on GitHub. I am pretty new to Azure and I am currently working on a pretty similar Project. So I use an Azure File Premium to share events, logs and analytics reports inside the application. 6) Select Add. They define the objects you want, their types, names and properties in a JSON file which can be understood by the ARM API. Microsoft is radically simplifying cloud dev and ops in first-of-its-kind Azure Preview portal at portal. ps1, and the script itself will create a registry key and a folder, and both will be AppX. If you face any issues during execution of the scripts, you might want to check execution logs found under C:\WindowsAzure\Logs\Plugins\. You love PowerShell, have a custom VM image (specialized or generalized) and you want to create a new virtual machine from it under Azure Resource Manager API? You're at the right place Prerequisites. You can add an access policy so you're able to see and manage the secrets using, for example, the. Using custom script extensions. PowerShell or bash. Sometimes we hand over code to customers that are less experienced. For Windows images to launch via SSH, the image needs to be preconfigured with SSH. To deploy the template using Azure CLI, start by opening a command prompt (if you're on windows). Let's examine how to configure an ARM template to watch a specific directory from which you want to copy files. Azure Resource Manager (ARM) Templates Azure Virtual Machines REST API ℹ️ Please read the Using the Azure Custom Script Extension with Linux Virtual Machines page for detailed usage instructions. It would be similar to running a powershell in a VM extension. templates/master. com is the simplest and safest way to get work done online. Check the current Azure health status and view past incidents. Custom Script extension on a Ubuntu VM This Azure Resource Manager template was created by a member of the community and not by Microsoft. In today's Ask the Admin, I'll show you how to provision a new Active Directory domain in Azure, and all the necessary resources, quickly and easily using an Azure Resource Manager (ARM) template. Enforce a Security Center configuration within your organization, using Azure Policy; Since both ARM templates and Azure Policy talk to the Resource Manager API in Azure, by making a JSON formatted request, you can re-use the deployment section of an ARM template to author an Azure Policy definition. VM EXTENSION OVERVIEW. This article also provides troubleshooting steps for Linux systems. Install Scrapy on. This is the schema for the settings portion of the Azure DSC extension in an ARM template. Build Custom Dashboards in the Microsoft Azure Portal. Hey Don, I wound up just using a join-domain extension within my ARM template, so I guess that was a workaround. CustomScriptForLinux. The following example shows how to install a. With secure payments and thousands of reviewed professionals to choose from, Freelancer. However, not all extensions support all of these operating systems. As there is great guidance and content on Microsoft’s Azure portal, I won’t repeat the steps on Deploying a Service Fabric Cluster using an ARM template however I will ask you to complete all the fields as you normally would (login, password, custom ports for http and https), but instead of pressing create and deploying your cluster we’ll. Enabling an Azure custom script extension for Windows can be done in a few ways. Prerequisites. You can get all the examples that you want from the Microsoft Azure Github repo - Azure ARM Templates - In the Azure Github repository there are two examples that you can use to create a VM from a specialized image, but those templates just shows you how it works and they can't be used for production deployments without doing some work. I am trying to execute multiple shell scripts by separating each command using '&&' using Azure Custom Extension script for Linux. The Azure builder works under the assumption that it creates everything it needs to execute a build. In this multi-part blog, I will be showing how to automatically install and configure a new ADFS Farm. For Windows images to launch via SSH, the image needs to be preconfigured with SSH. Using this method can reduce end-to-end template deployment time by a couple of minutes. ARM Template Debugging Issues. This is something you can do manually or you could use Remote PowerShell to automate the configuration of your VM after deployment for example. Index of all blogs in this Step by Step ARM Templates series is located here: Step by Step Azure Resource Manager (ARM) Templates - Index. Continue reading “Customize your Azure VMs with Custom Script Extensions”. At the step number 3 of the creation process, click Extensions to open a new blade that will list the available VM Extensions: Custom Scripts. 6) Select Add. Getting started with ARM templates is hard, but well worth the effort, and make it significantly easier to have reproduceable, consistent deployments of your Azure resources. ARM Template. json file does the following: Creates the Azure VM and deploys it into the existing vNet and subnet you provided; Executes the custom script extension which calls the installvstsagent. Once this is done modify the custom script with the resource block of only the second deployment and execute the deployment. You can also use both, for instance if you use PowerShell to deploy the ARM template. Now you have your Microsoft Azure Kubernetes Cluster (AKS) running in the Cloud, you want to deploy your Container workloads on the Cluster. Set-AzureVMCustomScriptExtension: Multiple extensions per handler not supported The introduction of agents and extensions bring a lot of possibilities to virtual machines in Azure. We have defined parameters that are needed for updating the virtual network to use the custom DNS that we just configured. I decided to use Azure Files as the store for the installation media. I am trying to do auto restore of a bacpac to azure mssql VM when it is provisioned but failing to do so using custom scripts extensions. we will go into cloud drive. This post is all about creating an Azure Resource Manager Template for a CentOS Virtual Machine with two stripped Data Disks. Using this method can reduce end-to-end template deployment time by a couple of minutes. I will run powershell and Bash scripts automatically at the end of VM provisioning. When deploying, the template was deploying the VM successfully but the custom linux script was not completing properly. If your writing ARM templates for Azure you'll have found that the amount of tooling available for authoring templates is fairly limited. azure file share. It has the same syntax. If you need a way of deploying infrastructure-as-code to Azure, then Azure Resource Manager (ARM) Templates are the obvious way of doing it simply and repeatedly. Let’s get started with the ARM template. But also check out Azure Automation DSC: Mac and Linux, so. ps1 file that does all the heavy lifting. •Deploy custom server images and Linux virtual machines. json file does the following: Creates the Azure VM and deploys it into the existing vNet and subnet you provided; Executes the custom script extension which calls the installvstsagent. Before we get our. 101-vm-simple-linux) to Azure Container Service cluster with a DC/OS orchestrator (i. You can achieve this by appending exit 0 to the end of your commandToExecute. Blog Archives. The Azure portal doesn't support your browser. It downloads the latest agent, installs. The above template is just another ARM JSON template. 9) Select the disablefirewall. The scripts used to generate these images can be found on Github. Once this is done modify the custom script with the resource block of only the second deployment and execute the deployment. Azure Linux Extensions. Supported web browsers + devices. However, understanding it in detail helps make better use of it. Creating the ARM Template for our Resources. » Template Provisioners Within the template, the provisioners section contains an array of all the provisioners that Packer should use to install and configure software within running machines prior to turning them into machine images. In this post you will find a way to deploy a VSTS Agent on a Linux Azure VM through an ARM template. I started messing around with Custom Script Extensions today. The script extension only executes once per VM, not every time the machine boots up - but if you stop the VM via Azure portal, and start the VM again, the VM will be re-provisioned, so the script will run again. The first step is to create the initial PowerShell script that is going to be used for custom script extensions. Find and Replace Find and Replace in Postman. 3) Navigate to the Azure Portal. Custom Script Extension is a tool that can be used to automatically launch and execute VM customization tasks post configuration. NOTE: Custom Script Extensions for Linux & Windows require that the commandToExecute returns a 0 exit code to be classified as successfully deployed. In this article, we will cover a few examples that you can use with the “Custom Script for Linux” extension. The Azure builder uses ARM templates to deploy resources. Where do I find and install the BGinfo extension for Azure Resource Manager VM's? related to it being created with ARM. Microsoft Azure Subscription; Azure VM. Most applications that run in Microsoft Azure use a combination of resources (such as a database server, database, or website) to perform as designed. While developing a Azure Resource Manager Template with a virtual machine resource and custom script extension, I got the problem, that I have to install a software that needs a reboot and after the reboot, the script should continue to configure these software and install other applications. This article details how to use the Custom Script Extension from Azure CLI, and how to run the extension by using an Azure Resource Manager template. You can also easily update or replicate the stacks as needed. • Maintained and executed build scripts by coordinating with development and QA teams. I plan on configuring my ARM remplates to use the Azure marketplace RHEL7. From Roderick Sayers Jr. Find and Replace Find and Replace in Postman. Azure Site Extensions is a way to add extra functionality to an azure web app. Internet-connected devices in every home and Windows on every device? We're getting there, and you can develop for most of these IoT devices in Visual Studio. 10) Install the. Enabling WinRM Using Custom Script Extensions in Azure ARM When provisioning vanilla Windows marketplace templates via CloudBolt, WinRM and the firewall policy prevent remote execution by default. I started messing around with Custom Script Extensions today. The idea is put a loop around. One thing that I had been feeling left out, however, was. It helps you build custom VM images with three main purposes in mind: fulfilling security needs, meeting corporate and regulatory compliance rules, and preconfiguring VMs with apps for faster deployment. The extension will download your script from a publicly accessible URI you specify. VM EXTENSION OVERVIEW. Hi Wouter de Kort, thank you for your Blog Post. Last month I wrote an introduction to Azure Resource Manager (ARM) that talked about how ARM is different from the traditional Azure service management API's (ASM) for deploying Azure resources. Microsoft Azure is a cloud hosting platform from Microsoft that provides virtual machines and integrated services for you to use with your cloud and hybrid applications. This allows you to encrypt both Windows and Linux virtual machines. The resulting template ended up including more than 40 resources, their dependencies, and configuration. ps1 script as soon as my servers are deployed. Troubleshooting issues. Tokenize the ARM template parameters file Create a PowerShell script that deploys the ARM template Deploy everything from a VSTS release definition. This PowerShell Script has been updated (version 2). This helps in repeatability and consistency of deployments for virtual machines, making life simpler for those managing these data platform estates. When I began this exercise, I only had a simple understanding of the ARM templates. This article also provides troubleshooting steps for Linux systems. We normally develop ARM Templates using Visual Studio Code, then manage and release the code using Azure DevOps. To access virtual machine extension configurations in Visual Studio. ps1 file that does all the heavy lifting. Using this method can reduce end-to-end template deployment time by a couple of minutes. The best way to deploy VMs from custom images in Resource Manager is via ARM templates. You can also run it through Azure PowerShell or Cross-Platform CLI. In this blog, we will show you the steps to deploy custom script through VM Extensions in Windows Azure VM through the portal. Creating the Key Vault. This article details how to use the Custom Script Extension from Azure CLI, and how to run the extension by using an Azure Resource Manager template. I generated the Azure MSSSQL VM ARM template using automation scripts in portal and If I see this in detail, i see that it is already using a custom extension to setup mssql on the VM post provisioning. A nice part of Azure Resource Manager is the ability to add virtual machine extensions. The Custom Script Extension integrates with Azure Resource Manager templates. Blog Sub Title. For this we use a Custom Script Extension. This article details how to use the Custom Script Extension from Azure CLI, and how to run the extension by using an Azure Resource Manager template. This ARM template will also register the VM with the Azure Automation Account and link it with a given DSC configuration. » Template Provisioners Within the template, the provisioners section contains an array of all the provisioners that Packer should use to install and configure software within running machines prior to turning them into machine images. DSVM is a custom Azure Virtual Machine image that is published on the Azure marketplace and available on both Windows and Linux. Index of all blogs in this Step by Step ARM Templates series is located here: Step by Step Azure Resource Manager (ARM) Templates - Index. This runbook is to be used in the context of ASR recovery plans for workloads hosted on StorSimple devices. I used a Packer script for this while my collegue Manuel Riezebosch created a very convenient VSTS Task for that!. ps1 created in the previous steps. The central repository for sharing and acquiring PowerShell code including PowerShell modules, scripts, and DSC resources. 5) Select extensions. When the build has completed it simply deletes the resource group to cleanup any runtime resources. This post is all about creating an Azure Resource Manager Template for a CentOS Virtual Machine with two stripped Data Disks. virtual machine templates that lets us quickly deploy virtual machines in. We will use Azure Resource Manager to create a virtual machine that will become our first ADFS Server. Update: Earlier generic linked template for deploying modules was removed and it was breaking my ARM template. The Custom Script Extension integrates with Azure Resource Manager templates. Index of all blogs in this Step by Step ARM Templates series is located here: Step by Step Azure Resource Manager (ARM) Templates - Index. Note – Replace the variables with actual values. This is the schema for the settings portion of the Azure DSC extension in an ARM template. connect to a puppet/foreman server also in azure). This is the script that is ran when you right click deploy on your project. Customizing your Microsoft Azure Virtual Machines with the new CustomScript extension. com is the simplest and safest way to get work done online. Before we get our. My Question is: “What is the advantage of using Packer instead of an ARM Template with a Custom Script Extension which installs the newest Enviroment for my customized VM. Microsoft Certified: Azure Administrator Associate. If you install the extension for the first time, use this command: az extension add --name webapp. In the first part of the series – article Create Custom Image in Microsoft Azure, we saw how to create Custom Image in Microsoft Azure. Creating a CentOS VM Using ARM Docker and Open Source projects are getting lots of attention, so I decided that it was time for me to build a Linux Virtual Machine on Microsoft Azure. A nice part of Azure Resource Manager is the ability to add virtual machine extensions. Blog Sub Title. Prerequisites. In this multi-part blog, I will be showing how to automatically install and configure a new ADFS Farm. Microsoft Certified: Azure Administrator Associate. com is the simplest and safest way to get work done online. Installing a certificate from Azure KeyVault into an Azure VM (ARM) template. After deploying a VM in Azure, I wanted to see if I could use a custom script extension to add MalwareBytes to the VM instead of logging into the server, downloading the MalwareBytes installer, and manually running the installer. Download script from github - https://github. I highly recommend checking out the Azure Quickstart Templates for a huge selection of sample templates as well. While developing a Azure Resource Manager Template with a virtual machine resource and custom script extension, I got the problem, that I have to install a software that needs a reboot and after the reboot, the script should continue to configure these software and install other applications. The Azure portal doesn’t support your browser. There are plenty of resources already out there to do that. ARM templates is the deployment model. This post is all about creating an Azure Resource Manager Template for a CentOS Virtual Machine with two stripped Data Disks. As you have seen in this article, adding virtual machines to Azure Stack as templates are relatively straightforward using a step by step approach. • Worked on cron in Linux servers for managing the logs of the web servers. In my example I place this in the PowerShell script however it could also be injected in at runtime or stored more securely if required. Oracle’s strategy and commitment is to support multiple platforms, and Microsoft Windows has long been an important supported platform. This ARM template will also register the VM with the Azure Automation Account and link it with a given DSC configuration. You can chose whatever tool you want, however, in this post I’m going to focus on PowerShell, ARM templates and Terraform. This script will be invoked inside the ARM Template. First, we create the Key Vault to store all our secrets. This helps in repeatability and consistency of deployments for virtual machines, making life simpler for those managing these data platform estates. Update 8/7/2014: We just published the Azure PowerShell DSC Extension, which simplifies the configuration of Azure VMs with PowerShell DSC. Blog Sub Title. A template is no more than a saved SQL script with parameter blocks that will be swapped out prior to execution. If you need more power and configurability, you can use Desired State Configuration (DSC). We have defined parameters that are needed for updating the virtual network to use the custom DNS that we just configured. Let’s get started with the ARM template. Microsoft Certified: Azure Administrator Associate. A good way to provide. This article details how to use the Custom Script Extension from Azure CLI, and how to run the extension by using an Azure Resource Manager template. After deploying a VM in Azure, I wanted to see if I could use a custom script extension to add MalwareBytes to the VM instead of logging into the server, downloading the MalwareBytes installer, and manually running the installer. From Roderick Sayers Jr. Azure Site Extensions is a way to add extra functionality to an azure web app. Hi Wouter de Kort, thank you for your Blog Post. Script for second VM should not start to execute until script for the first VM has completed and so forth so on. However, understanding it in detail helps make better use of it. Some examples are: Linux Integration components which enable SUSE Linux Enterprise to run seamlessly as a guest on Microsoft Hyper-V Support for Microsoft Hyper-V as a supported hypervisor for SUSE Cloud SUSE Manager Management Pack for Microsoft […]. ps1, and the script itself will create a registry key and a folder, and both will be AppX. I highly recommend checking out the Azure Quickstart Templates for a huge selection of sample templates as well. Internet-connected devices in every home and Windows on every device? We're getting there, and you can develop for most of these IoT devices in Visual Studio. 5) Select extensions. Multiple VMExtensions CustomScriptExtension or CommandsToExecute Instead of trying to put everything into one CommandToExecute it would be nice to be able to have multiple extensions or even ability to have multple commandsToExecute. Before we get started, there are a few prerequisites we need to take care of. Before we get our. Existing VMs can be added to new or existing Availability Set. today I'm gonna show you a way to automatically deploy and customize virtual machines in Azure Resource Manager without using ARM templates. The idea of this article is to map the 70-533: Implementing Microsoft Azure Infrastructure Solutions exam's objectives to online resources for self-study, in a similar way of Anders Eide's. CustomScriptForLinux. We will use Azure Resource Manager to create a virtual machine that will become our first ADFS Server. If your writing ARM templates for Azure you’ll have found that the amount of tooling available for authoring templates is fairly limited. All are part of your ARM template. If you use an Azure storage account to host your script, you can specify a storage account name and key in the extension. This URI may, but doesn’t have to, point to an Azure blob storage container. OSTCExtensions. Currently , it is not possible to run two custom script to perform two different tasks on a same VM through custom script extension. This VM extension allows us to inject a script on a VM. At the step number 3 of the creation process, click Extensions to open a new blade that will list the available VM Extensions: Custom Scripts. I have defined a resource of type extensions and this resource is part of my VM resource. For steps described in the next chapter, an install script starts automatically. Please Note: Certain VM Extensions require that the keys in the settings block are case sensitive. we will go into cloud drive. Customizing your Microsoft Azure Virtual Machines with the new CustomScript extension. The following is the list of operating systems that extensions can support. In this post you will find a way to deploy a VSTS Agent on a Linux Azure VM through an ARM template. This URI may, but doesn't have to, point to an Azure blob storage container. Deploying Azure Functions with ARM templates and the Kudu REST API 12 January 2017 Comments Posted in Azure, Continuous Integration, Automation, devops, Functions, Serverless. Here you find an Example at GitHub for a Template deployment. Automating the task of deploying Azure VMs in Availability Set. No external access is required to the virtual machine since Azure executes the script for you. 101-vm-simple-linux) to Azure Container Service cluster with a DC/OS orchestrator (i. Update 8/7/2014: We just published the Azure PowerShell DSC Extension, which simplifies the configuration of Azure VMs with PowerShell DSC. We will accomplish this using Azure Resource Manager templates, Desired State Configuration scripts and Custom Script Extensions. In this post I'm going to show how to build an ARM template to reference and deploy your own custom VM image into a new VMSS. The Azure builder uses ARM templates to deploy resources. Simple Azure - Python Library for Windows Azure¶ Simple Azure is a Python library for Microsoft Azure Services including Virtual Machine (VM) to provision resources in a simple way. In this article, we'll be focusing on enabling the custom script extension via PowerShell, but you may also enable the extension via an Azure Resource Manager(ARM) template. The Azure portal doesn't support your browser. Create the Azure ARM Template. I started messing around with Custom Script Extensions today. Contribute to Azure/azure-linux-extensions development by creating an account on GitHub. Build Custom Dashboards in the Microsoft Azure Portal. There is a PowerShell DSC extension that you can use in your ARM template. In order to create the Azure. Creating a CentOS VM Using ARM Docker and Open Source projects are getting lots of attention, so I decided that it was time for me to build a Linux Virtual Machine on Microsoft Azure. 11) Go back to the extensions tab and wait for the Custom Script to report as. Using this method can reduce end-to-end template deployment time by a couple of minutes. ARM Template. One such extension is the script extension which allows the Resource Manager service to run scripts inside a virtual machine. Update for the latest information regarding DSC Extension, refer to the product documentation. today I’m gonna show you a way to automatically deploy and customize virtual machines in Azure Resource Manager without using ARM templates. We take an ARM template from the QuickStart Templates repo, we break it down into small, tightly focused units and we combine them as a Terraform configuration. It integrates with ARM template: we will then deploy a fully configured VM in one go. The resulting template ended up including more than 40 resources, their dependencies, and configuration. It leaves us with another very interesting option which is to use the Custom Script Extension. I am provisioning redhat 7. To run a custom script with the following VMSS script, the script must be stored in Azure Blob storage or in any other location accessible through a valid URL. One extension point offered via ARM for Virtual Machine automation is the use of PowerShell Desired State Configuration (DSC) to control the Windows OS (and now Linux too!) and application software setup on a VM post creation. Install Azure Site Extensions with ARM template By Simon J. REQUIREMENTS. There are two Linux Custom Script Extensions: Version 1 - Microsoft. IMPORTANT: Microsoft is making significant changes to this certification. I finally managed a 23 Jan 2019. 4) Select the impacted VM. We have a fascination with ARM hardware, and often find Kali very useful on small and portable devices. My team works a lot with ARM Templates to deploy and maintain Azure-based applications and infrastructure. In this article, I will walk you through using Custom Script Extension feature of Microsoft Azure, that lets you execute PowerShell scripts once the Operating System is deployed. When I began this exercise, I only had a simple understanding of the ARM templates. ARM templates allow you to express the what without having to express the how. Once the VM is provisioned, a bash script will be downloaded by CustomScriptForLinux extension from the secure Azure blob storage myprojectsafe, then executed. Mainly, the idea is to run a PowerShell script that will create the File Shares. Today we’re announcing the public preview of Azure Image Builder, a service that makes building Windows and Linux virtual machine (VM) images easy in Azure. • Maintained and executed build scripts by coordinating with development and QA teams. We take an ARM template from the QuickStart Templates repo, we break it down into small, tightly focused units and we combine them as a Terraform configuration. We will upload the script in the Azure Storage account and pass that link here in the Terraform configuration for Virtual Machine Extension. In this post I'm going to show how to build an ARM template to reference and deploy your own custom VM image into a new VMSS.

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