Choosing Right Size for Windows 10 VM in Azure to Run Docker

The post “Setup Windows 10 VM in Azure to Develop with Docker CE” has a detailed walkthrough on setting up Docker CE in Azure VM, which is using Windows 10. While trying out the same, encountered an issue to start the Docker giving error message “Failed to start the virtual machine 'MobyLinuxVM' because one of the Hyper-V components is not running. 'MobyLinuxVM' failed to start.” It is interesting to inspect and find a fix to this issue.

Custom Control Conditions in Azure DevOps Pipeline Steps

Azure DevOps pipelines support default conditions allowing you to execute a step “Only when all previous tasks have succeeded”, “Even if a previous task has failed, unless the build was canceled”, “Even if a previous task has failed, even if the build was canceled” or “Only when a previous task has failed”. These conditions facilitate execution of  steps in a build or release pipeline to cater different scenarios. However, to support scenarios not covered by the default conditions you can implement custom control conditions in Azure DevOps pipeline steps. There is a good explanation of custom conditions in this article. Let’s explore two advance scenarios that can be handled with custom conditions, which are not explained in the article.

Inspecting Most Frequently Changed Files in Azure Git Repos

When analyzing an application with its telemetry data we would be looking at usage of the application, and would be able to identify which parts of the system is often used. Wouldn’t it be nice to compare that with the most frequently updated areas of the system? Let’s look at how we can get this information via Azure DevOps REST API.

Resigning and Deploying Xamarin iOS Apps with Azure DevOps

Creating iOS mobile application with Xamarin is a good option for developers who are familiar with Visual Studio family of products. Any project you create nowadays demand for CI/CD implementation as it is the first step towards enabling DevOps. Azure DevOps comes with feature rich set of tasks for building the iOS apps. Tasks that allows re-signing of packaged ipa (iOS deployment files) are available as Marketplace task. App Center allows you to do mobile application testing in much simpler way. Let’s look at steps required to resign and deploy iOS package to APP Center using Azure DevOps pipelines.

Azure DevOps Default Enabled Alert/Notification - Which Can be a Nightmare for an Admin

As an admin of an Azure DevOps account you may be creating sample environments to simulate production behaviors, before applying any process changes to a Team project. In this case your choice would be to create a new team project and try out a simulation first. However, you might want to do the simulation with close to production data, so you will try to find a mechanism to make a copy of work items etc. from your production to a simulation Team project. How to do this with various options available is not the discussion today (which we can discuss in another post), as this post  is to show you an alert that must be turned off, before you do any sort of work item data duplication as a bulk, to avoid spam emails to many users of your Azure DevOps account. A lesson learnt the hard way is shared with you to prevent you from falling to same pitfall.

Build and Deploy SSIS with Azure DevOps Pipelines

SQL Server Integration Services (SSIS) projects can be created to perform ETL (Extract Transform and Load) operations. As Implementing of Continuous Delivery becoming a mandatory aspect of any type of software project it is vital for SSIS projects to be able to implement CI/CD. With the availability of the extension “SSIS Build & Deploy” in Marketplace for Azure DevOps, the CI/CD implementation for SSIS has become straightforward to implement. Let’s look at a sample to understand how to get CI/CD implemented for SSIS project with Azure DevOps.

Making a Task Group Parameter Optional – Azure DevOps Pipelines

Task groups are really useful to share common actions with multiple build or release pipelines in Azure DevOps (VSTS). You can group multiple tasks ang create a task group forma build or release definition. then these task groups can be utilized in other build or release definitions in a given team project. Parameters in a task group help to pass values from build or release definition to the tasks in the task group. You can add a default value for these parameters or have to provide value from the build or release definition that is using the task group. Making a task group parameter optional is not straight forward and you need some do work around to get it working. Let’s look at how we can make a parameter optional for a task group in Azure DevOps pipelines.

Using Unified Agent for Executing Automated Tests Without Installing Visual Studio in Test Client–Azure DevOps/VSTS

As described in the post “Running UI Tests with Unified Agent” you can setup unified agent (same agent used for build/deployment in Azure DevOps/VSTS), in an application pool or in a deployment group to execute functional UI tests. The unified agent is really useful as it does not require to setup separate test agent using winRM based Deploy Test Agent task which is required if Run Functional Tests task is used for automated test execution.With unified agent you can use Visual Studio Test task, which is capable of running Selenium based UI tests as well, in addition to Coded UI tests. There was a dependency that you needed to have Visual Studio installed in the test client machine to get the Visual Studio Test task as it is packaged with Visual Studio. However, thanks to the NuGet package “Microsoft Test Platform”  you no longer need to install full Visual Studio in your test client machine to execute automated tests, with unified agent using Visual Studio Test task. Let’s look at how to use “Microsoft Test Platform”  and Visual Studio Test task in a test client using Azure DevOps Release Management.