Change vnic type from / to e1000, Flexible, Vmxnet, EnhancedVmxnet, and Vmxnet3, and Unknown with Set-NetworkAdapter. UPDATED!

What if you noticed that your vms are running on wrong network card type ? Let’s say you want e1000 instead of vmxnet3 for some reason.There is a great cmdlet set-networkadapter. This will help us out in that kind of situation(Thx Rafael!).
Right, so what set-networkadapter can do for us ? (by this time you should read the get-help set-networkadapter -full). So now, like you already know 😉 it can do a lot for us! But what i want from it right now, is to help me with changing the adapter type. I want to change it from vmxnet 3 to e1000, would be cool if i will not need to shutdown vm too 😉 Unfortunately it will not be so cool at all !!! VM has to be powered off to make this change properly. Please do not do this while vm is up and running.
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Locate vms that are in particular cluster and are using particular datastore in powercli

A quick one :
Trying to find which vms are residing on datastore :”datastore_name” and are located in cluster “your_cluster”

Get-Cluster "your_cluster"|Get-vm |?{($_.extensiondata.config.datastoreurl|%{$_.name}) -contains "datastore_name"}
or
Get-Cluster "your_cluster"|Get-vm |?{($_.extensiondata.config.datastoreurl|?{$_.name -eq "datastore_name"})}

It’s easier if the vms reside on particular datastore and you do not care in which cluster they are:

(Get-Datastore -Name 'datastore_name').Extensiondata.Vm|%{(Get-View -Id $_.toString()).name}

And approach where you want to check all datastores in specific cluster:
So i was thinking about this and came out with that 😉 :

get-vmhost -Location "Cluster_01"|get-datastore|%{$ds=$_; $ds.Extensiondata.Vm|%{$_|select @{n='vm name';e={(Get-View -property name -Id $_.toString()).name}},@{n='ds name';e={$ds.name}}  }}

In case you want to check serveral datastores with known names for vms you can do this, assuming that for example names are written in file : c:\dsfile.txt

Get-Datastore -Name (get-content c:\dsfile.txt) | %{$temp=$_; $temp.extensiondata.vm | % { $_ | select @{n='VMName';e={(get-view -property name -id $_).Name}},@{n='ds';e={$temp.name}}}}

Report for all vms regarding uuid,network card, macaddress, ipaddress, network card type e1000/vmxnet in a csv ;)

Right,
i wanted to see all vms, with their current ips, macaddresses, names, networkcard types.
This report should also have all network cards in separate columns in csv. So i needed to dynamically adjust number of those ‘columns’.
Below script will output only ipv4 addresses without ipv6.

$reportedvms=New-Object System.Collections.ArrayList
$vms=get-view -viewtype virtualmachine  |Sort-Object -Property {  $_.Config.Hardware.Device |  where {$_ -is [VMware.Vim.VirtualEthernetCard]} |  Measure-Object | select -ExpandProperty Count} -Descending 

foreach($vm in $vms){
  $reportedvm = New-Object PSObject
  Add-Member -Inputobject $reportedvm -MemberType noteProperty -name Guest -value $vm.Name
  Add-Member -InputObject $reportedvm -MemberType noteProperty -name UUID -value $($vm.Config.Uuid)
$networkcards=$vm.guest.net | ?{$_.DeviceConfigId -ne -1}
$i=0
foreach($ntwkcard in $networkcards){
Add-Member -InputObject $reportedvm -MemberType NoteProperty -Name "networkcard${i}.Network" -Value $ntwkcard.Network
Add-Member -InputObject $reportedvm -MemberType NoteProperty -Name "networkcard${i}.MacAddress" -Value $ntwkcard.Macaddress  
Add-Member -InputObject $reportedvm -MemberType NoteProperty -Name "networkcard${i}.IpAddress" -Value $($ntwkcard.IpAddress|?{$_ -like "*.*"})
Add-Member -InputObject $reportedvm -MemberType NoteProperty -Name "networkcard${i}.Device" -Value $(($vm.config.hardware.device|?{$_.key -eq $($ntwkcard.DeviceConfigId)}).gettype().name)
$i++
}
$reportedvms.add($reportedvm)|Out-Null
}

$reportedvms|Export-Csv c:\myreport.csv

Ok, and what if somebody doesn’t want those multiple columns, but wants to have only 1 column that will describe all network cards for particular vm ?

$vms=get-view -viewtype virtualmachine
$(
foreach($vm in $vms){
$networkcards=$vm.guest.net | ?{$_.DeviceConfigId -ne -1}
""|select  @{n="VM name";e={$vm.name}},@{n="uuid";e={$vm.config.uuid}},@{n="net  info";e={[string]::join(',',  $($networkcards|%{$devid=$_.DeviceConfigId;[string]::join(',',$(($vm.config.hardware.device|?{$_.key  -eq $devid}).gettype().name,$_.network,($_.ipaddress -join ';'),$_.Macaddress))})  )}}
}
)|export-csv c:\myreport.csv

I know 😉 a lot of joining.
@Update: Luc has noticed my error there that i was not sorting $vms array. We have to sort it by the vm with most network cards so that export-csv will work properly.
@Update: Thanks Steve for the feedback. I have updated the code in both examples.
27/02/2014@Update : Fixed issue with reporting multiple ip addresses in second example.

Searching for cdrom devices with Emulate Ide or Passthrough IDE mode in powercli

Right,
so we want to find all vms that have their cdrom device set to Emulate Ide mode.

$vms=get-view -viewtype virtualmachine
foreach($vm in $vms){
 if ($vm.Config.Hardware.Device |? {$_.backing -is [vmware.vim.VirtualCdromRemoteAtapiBackingInfo]}) {$vm.name}
}

If we want to look for vms with cdrom devices mode set to Passthrough:

$vms=get-view -viewtype virtualmachine
foreach($vm in $vms){
 if ($vm.Config.Hardware.Device |? {$_.backing -is [vmware.vim.VirtualCdromRemotePassthroughBackingInfo]}) {$vm.name}
}

No fancy output 😉 Just sending to screen affected vm names.

Get-VMFolderPath to check in which vm folder our vm resides

Recently i wrote a function to check in which vm folder particular vm resides. I thought i could share it 😉 This function can output folder names or folder morefs when -moref switch is specified. Sample output would be this:
get-vm ‘vm123’ | get-vmfolderpath
MY DC1\vm\test123\ntest\btest\xtest\

Get-VMfolderPath (get-vm vm1).folderid
MY DC1\vm\test123\ntest\btest\xtest\

When you want to instead of names , folder morefs:

Get-VMfolderPath (get-vm vm1).folderid -moref or
get-vm ‘vm123’ |Get-VMfolderPath -moref
Datacenter-datacenter-242\Folder-group-v243\Folder-group-v740\Folder-group-v1434\Folder-group-v1435\Folder-group-v1436\
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Adding roles with privileges from powercli

This will be very quick and short one 😉
We can easily create a role within our VC using the new-virole cmdlet. Since it accepts the privilege IDs as an array we can first fill up our array with privileges and then give it to new-virole.
In order to see from which we can run get-viprivilege to get all of them first. If you already know which one to include :

$privs_for_role=@(
'System.Anonymous',
'System.View',
'System.Read')
New-VIRole -Name custom_role1 -Privilege (Get-VIPrivilege -id $privs_for_role)

the -Privilege accepts only privileges, so we first need to get them using get-viprivilege and giving id name so we will receive privilege object.

Upgrade virtual machine hardware using powercli

Now, i know that there are some examples in internet about this but they were not working for me for some reason(still don’t know why).
UpgradeVM_Task SDK ref
So in order to upgrade vmware hardware version you have to execute method called UpgradeVM_Task from virtual machine object.

$myvmid=(get-vm 'myvm').id
(get-view -id $myvmid).UpgradeVM_Task('vmx-08') 

If you want to upgrade to version 7, then you have to use ‘vmx-07’. I am running this against vsphere 5 and it works very well. Now, reading manual it says:
Regarding the ‘Version’ parameter:
“If specified, upgrade to that specified version. If not specified, upgrade to the most current virtual hardware supported on the host.”
But if you will give $null or “” , or nothing, it will just not work. I hope i will get some more information why it behaves like this.
UPDATE 😉

$id=(get-vm 'myvm').id
$vmview=get-view -id $id
$param = @($null)
$vmview.gettype().GetMethod("UpgradeVM_Task").Invoke($vmview,$param)

This will run upgrade_VM_Task method without specifying the version string. It took me some time to figure this out 😉
$vmview.gettype().GetMethod(“UpgradeVM_Task”).GetParameters()

ParameterType : System.String
Name : version
DefaultValue :
RawDefaultValue :
Position : 0
Attributes : None
Member : VMware.Vim.ManagedObjectReference UpgradeVM_Task(System.String) -> 1 parameter

the parameter should be an array of 1 null here
$param=@($null)
as per
Invoke(System.Object obj, System.Object[] parameters)