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Learning PowerCLI

Learning PowerCLI - Second Edition

By : Robert van den Nieuwendijk
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Learning PowerCLI

Learning PowerCLI

5 (1)
By: Robert van den Nieuwendijk

Overview of this book

VMware vSphere PowerCLI, a free extension to Microsoft Windows PowerShell, enables you to automate the management of a VMware vSphere or vCloud environment. This book will show you how to automate your tasks and make your job easier. Starting with an introduction to the basics of PowerCLI, the book will teach you how to manage your vSphere and vCloud infrastructure from the command line. To help you manage a vSphere host overall, you will learn how to manage vSphere ESXi hosts, host profiles, host services, host firewall, and deploy and upgrade ESXi hosts using Image Builder and Auto Deploy. The next chapter will not only teach you how to create datastore and datastore clusters, but you’ll also work with profile-driven and policy-based storage to manage your storage. To create a disaster recovery solution and retrieve information from vRealize Operations, you will learn how to use Site Recovery Manager and vRealize Operations respectively. Towards the end, you’ll see how to use the REST APIs from PowerShell to manage NSX and vRealize Automation and create patch baselines, scan hosts against the baselines for missing patches, and re-mediate hosts. By the end of the book, you will be capable of using the best tool to automate the management and configuration of VMware vSphere.
Table of Contents (16 chapters)
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Using the pipeline


In PowerShell, you can use the output of one command as input for another command by using the vertical bar (|) character. This is called using the pipeline. The vertical bar character, in PowerShell, is called the pipe character. In PowerShell, complete objects pass through the pipeline. This is different from cmd.exe or a Linux shell where only strings pass through the pipeline. The advantage of passing complete objects through the pipeline is that you don't have to perform string manipulations to retrieve property values.

Using the ByValue parameter binding

You have already seen some examples of using the pipeline in preceding sections of this book. For example:

PowerCLI C:\> Get-VM | Get-Member

In this example, the output of the Get-VM cmdlet is used as the input for the Get-Member cmdlet. This is much simpler than the following command, which gives you the same result:

PowerCLI C:\> Get-Member -InputObject (Get-VM)

You can see that the Get-Member cmdlet accepts...

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Learning PowerCLI
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