Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Mastering PowerCLI

You're reading from   Mastering PowerCLI Master PowerCLI to automate all aspects of VMware environments

Arrow left icon
Product type Paperback
Published in Oct 2015
Publisher Packt
ISBN-13 9781785286858
Length 430 pages
Edition 1st Edition
Languages
Arrow right icon
Author (1):
Arrow left icon
Sajal Debnath Sajal Debnath
Author Profile Icon Sajal Debnath
Sajal Debnath
Arrow right icon
View More author details
Toc

Table of Contents (14) Chapters Close

Preface 1. PowerShell and PowerCLI Refresher 2. Reusable Advanced Functions and Scripts FREE CHAPTER 3. Deploying vSphere Hosts 4. Managing Networks 5. Managing Storage 6. Managing Clusters and Other Constructs 7. Managing Virtual Machines 8. Managing vSphere Security, SRM, vCloud Air, and vROps 9. Managing the vSphere API 10. Using REST APIs 11. Creating Windows GUI 12. Best Practices and Sample Scripts Index

Dynamic parameters


All the earlier examples were examples of static parameters. Before the cmdlets of the function are executed, these parameters come into existence and remain available for the entire duration of the scope of the function. Dynamic parameters are those parameters that are defined in such a way that depending on certain conditions only, they come into existence. It may be designed in such a way that a dynamic parameter will come into existence only when another parameter is used in the function or a parameter has a certain value. So, late binding is applied for these types of parameters.

For example, let's discuss the following requirements:

  • We want to create a VM, provided the VM name is given by a user.

  • We have three different environments named Dedicated, Shared, and Cloud where the VM can be created.

  • If any environment is not mentioned by a user, then by default the VM will be created in the shared environment.

  • For a shared and Cloud environment, providing a VM name would...

You have been reading a chapter from
Mastering PowerCLI
Published in: Oct 2015
Publisher: Packt
ISBN-13: 9781785286858
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image