VMworld 2011 - PowerCLI 101

PowerCLI 101

Why Automate
Save Time
Reduce Risk
Scale

Agenda
Introduction to PowerShell
vCenter management
Storage management
Automating VM lifecycle

PowerShell 101 (Terminology)
Cmdlet(pronounced command-lets) are compiled .NET class that perfoma single action on an object. They are named in the <verb>-<singular noun> format.
Objects: A collection of properties and methods with a unique type name.
Pipeline: Passes whole .NET objects from one cmdlet to another enabling clean powerful syntax.

Get-VM | Where-Object {$_.PowerState –eq ‘Powered Off’} | Start-VM | Format-Table
Get-VM
Format-Table
Where-Object
Start-VM
PowerShell Pipeline
Pipeline in Action

PowerShell 101 ( Key Cmdlets)
Get-Command
Get-Help
Get-PSDrive
Get-Member
Format-List

Grow Environment!
Live Demo

Needs & Environment
Tasks:
Create new datacenter
Add existing Host and VMs to new vCenter instance.
Create a new cluster
Add new Host to the new cluster
Cmdlets used:
Connect-VIServer
New-Datacenter
Add-VMHost
New-Cluster
Set-Cluster
Move-VMHost

Grow Environment
# Add host to vCenter
Connect-VIServervCenter01.sea-tm.netapp.com
# Create Datacenter
$Datacenter=New-Datacenter-NameBellevue-Location(Get-Folder)
# Add the first host
Add-VMHost-NamevSphere1.sea-tm.netapp.com-Location$Datacenter`
-Force
# Create new cluster
$Cluster=New-Cluster-NameVMworld-Location$Datacenter
# Set the HA/DRS Settings for our cluster
Set-Cluster-cluster$Cluster-HAEnabled$True`
-HAIsolationResponseDoNothing-DrsEnabled$True-Confirm:$false
# Move our existing host into the new cluster
Move-VMHost-VMHostvSphere1*-Destination$Cluster
# Add an additional host to the cluster
Add-VMHost-NamevSphere2.sea-tm.netapp.com-Location$Cluster`
-Force-RunAsync

ZOMG I Needs Storage?!
Live Demo

Needs & Environment
Tasks:
Find and remove any large snapshots.
Provision new storage on Array
Add datastore to hosts
Move VMs to new storage.
Cmdlets used:
Get-VM
Get-Snapshot
Get-VMHost
New-Datastore
Sort-Object
Format-Table
Remove-Snapshot
Set-NaQtree
Set-NaNfsExport
Move-VM
Get-Datastore
Connect-NaController
New-NaVol
Set-NaSis
Enable-NaSis
Start-NaSis
Get-NaQtree

ZOMG I Needs Storage?!
# Find any large snapshots.
Get-VM|Get-Snapshot|Sort-ObjectSizeMB-Descending|Format-TableVM,Name,SizeMB
# Delete that sucka!
Get-Snapshot-VMSQL01-Nameupdates|Remove-Snapshot-RunAsync
# we're still a little tight... Create a new datastore!
# Import the NetApp DataONTAP PowerShell Toolkit
Import-ModuleDataONTAP
# Connect to the NetApp Controller
Connect-NaController10.58.92.213
# Create a new volume, and configure dedupe
New-NaVol-Namevmdata1-Aggregateaggr1-SpaceReservenone-Size10t|
Set-NaSis-Scheduleauto | Enable-NaSis| Start-NaSis| Get-NaQtree|
Set-NaQtree-SecurityStyleunix
# Create the NFS export
Set-NaNfsExport-Persistent-Path/vol/vmdata1-Root'172.16.3.0/24'`
-ReadWrite'172.16.3.0/24'
# Add datastore
Get-Cluster VMworld |Get-VMHost|New-Datastore-Namevmdata1-Nfs`
-Path/vol/vmdata1-NfsHost172.16.3.213
# Move a VM to make some more room in our oversubscribed datastore.
Get-VMExch*|Move-VM-Datastore(Get-Datastorevmdata1)-RunAsync

VM Provisioning
Live Demo!

Needs & Environment
Tasks:
Clone an existing VM.
Create a new VM.
Convert VM to VM Template.
Deploy multiple VMs from Template.
Delete a VM.
Cmdlets used:
Get-Cluster
Get-Datacenter
Get-VM
Get-VMHost
New-VM
Remove-VM
Set-VM
ForEach-Object

VM Provisioning
# We'll use this more than once!
$vmhost=Get-Cluster-NameVMworld|Get-VMHost|Select-first1
# Clone a VM for the ops team to test a patch.
New-VM-NameSQL03_Clone-VMSQL03-VMHost$VMHost-RunAsync
# Create a new VM
$VM=New-VM-Name"AwesomeVM01"-VMHost$vmhost-DiskMB61440`
-MemoryMB4196
# Now Make a template of that fool
$template=$VM|Set-VM-ToTemplate-Name"VMworld Template"
# Add a force multiplier
1..6|ForEach-Object{
New-VM-Name"VM$_"-Template$template-VMHost$vmhost-RunAsync
}
# Cleanup old VM
Get-VMSQL03_Clone|Remove-VM-DeletePermanently

Resources Books

Resources Blogs

Resources Forums

Where to go from here?
Books:
Learn Windows PowerShell in a Month of Lunches
VMware vSphere PowerCLI Reference
Blogs:
http://www.lucd.info/
http://www.virtu-al.net/
Forums:
http://www.vmware.com/go/PowerCLI
http://powershellcommunity.org
http://social.technet.microsoft.com/Forums/en/ITCG/threads
Twitter: Use the hashtag #PowerShell #PowerCLI to get help.

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VMworld 2011 - PowerCLI 101

by ProfessionalVMware on Sep 02, 2011

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VMworld 2011 - PowerCLI 101 — Presentation Transcript