New-VMHVHardDisk.ps1

#Requires -Version 4.0
# Requires -Modules VMware.PowerCLI

<#
.SYNOPSIS
    Creates a new hard disk on the specified location

.DESCRIPTION

.NOTES
    This PowerShell script was developed and optimized for ScriptRunner. The use of the scripts requires ScriptRunner. 
    The customer or user is authorized to copy the script from the repository and use them in ScriptRunner. 
    The terms of use for ScriptRunner do not apply to this script. In particular, ScriptRunner Software GmbH assumes no liability for the function, 
    the use and the consequences of the use of this freely available script.
    PowerShell is a product of Microsoft Corporation. ScriptRunner is a product of ScriptRunner Software GmbH.
    © ScriptRunner Software GmbH

.COMPONENT
    Requires Module VMware.PowerCLI

.LINK
    https://github.com/scriptrunner/ActionPacks/tree/master/VMware/Disks

.Parameter VIServer
    Specifies the IP address or the DNS name of the vSphere server to which you want to connect

.Parameter VICredential
    Specifies a PSCredential object that contains credentials for authenticating with the server

.Parameter VMName
    Specifies the name of the virtual machine to which you want to add the new disk

.Parameter DatastoreName
    Specifies the datastore where you want to place the new hard disk

.Parameter CapacityGB
    Specifies the capacity of the new virtual disk in gigabytes (GB). 
    You need to specify this parameter when you create hard disks of type Flat

.Parameter SCSIControllerName
    Specifies a SCSI controller to which you want to attach the new hard disk

.Parameter DiskPath
    Specifies the path to the hard disk

.Parameter StorageFormat
    Specifies the storage format of the relocated hard disk

.Parameter Persistence
    Specifies the disk persistence mode

.Parameter DiskType
    Specifies the type of file backing you want to use
#>

[CmdLetBinding()]
Param(
    [Parameter(Mandatory = $true,ParameterSetName = "CreateNew")]
    [Parameter(Mandatory = $true,ParameterSetName = "UseExisting")]
    [string]$VIServer,
    [Parameter(Mandatory = $true,ParameterSetName = "CreateNew")]
    [Parameter(Mandatory = $true,ParameterSetName = "UseExisting")]
    [pscredential]$VICredential,
    [Parameter(Mandatory = $true,ParameterSetName = "CreateNew")]
    [Parameter(Mandatory = $true,ParameterSetName = "UseExisting")]
    [string]$VMName,    
    [Parameter(Mandatory = $true,ParameterSetName = "UseExisting")]
    [string]$DiskPath,    
    [Parameter(ParameterSetName = "CreateNew")]
    [string]$DatastoreName,
    [Parameter(ParameterSetName = "CreateNew")]
    [decimal]$CapacityGB,
    [Parameter(ParameterSetName = "CreateNew")]
    [Parameter(ParameterSetName = "UseExisting")]
    [string]$SCSIControllerName,
    [Parameter(ParameterSetName = "CreateNew")]
    [Parameter(ParameterSetName = "UseExisting")]
    [Validateset("Persistent", "NonPersistent", "IndependentPersistent", "IndependentNonPersistent", "Undoable")]
    [string]$Persistence,
    [Parameter(ParameterSetName = "CreateNew")]
    [ValidateSet("rawVirtual", "rawPhysical", "flat","unknown")]
    [string]$DiskType,
    [Parameter(ParameterSetName = "CreateNew")]
    [ValidateSet("Thin", "Thick", "EagerZeroedThick")]
    [string]$StorageFormat = "Thick"

)

Import-Module VMware.PowerCLI

try{
    $Script:vmServer = Connect-VIServer -Server $VIServer -Credential $VICredential -ErrorAction Stop
    
    $Script:vm = Get-VM -Server $Script:vmServer -Name $VMName -ErrorAction Stop
    if($PSCmdlet.ParameterSetName  -eq "UseExisting"){
        $Script:harddisk = New-HardDisk -Server $Script:vmServer -VM $Script:vm -DiskPath $DiskPath -Confirm:$false -ErrorAction Stop
    }
    else {
        [hashtable]$cmdArgs = @{'ErrorAction' = 'Stop'
                            'Server' = $Script:vmServer
                            }  
        if([System.String]::IsNullOrWhiteSpace($DatastoreName) -eq $false){
            $store = Get-Datastore @cmdArgs -Name $DatastoreName 
            $cmdArgs.Add('Datastore', $store)                                    
        }        
        $cmdArgs.Add('VM', $Script:vm)
        $cmdArgs.Add('StorageFormat', $StorageFormat)
        $cmdArgs.Add('Confirm', $false)
        if($CapacityGB -gt 0){
            if([System.String]::IsNullOrWhiteSpace($DiskType) -eq $true){
                $DiskType = "flat"
            }
            $cmdArgs.Add('CapacityGB', $CapacityGB)
            $cmdArgs.Add('DiskType', $DiskType)
        }
        $Script:harddisk = New-HardDisk @cmdArgs
    }
    if($PSBoundParameters.ContainsKey('SCSIControllerName') -eq $true){
        $controller = Get-ScsiController -Server $Script:vmServer -VM $Script:vm -Name $SCSIControllerName -ErrorAction Stop
        $Script:harddisk = Set-HardDisk -HardDisk $Script:harddisk -Controller $controller -Confirm:$false -ErrorAction Stop
    }
    if($PSBoundParameters.ContainsKey('Persistence') -eq $true){
        $Script:harddisk = Set-HardDisk -HardDisk $Script:harddisk -Persistence $Persistence -Confirm:$false -ErrorAction Stop
    }
    
    $Script:Output = $Script:harddisk | Select-Object *
    if($SRXEnv) {
        $SRXEnv.ResultMessage = $Script:Output 
    }
    else{
        Write-Output $Script:Output
    }
}
catch{
    throw
}
finally{    
    if($null -ne $Script:vmServer) {
        Disconnect-VIServer -Server $Script:vmServer -Force -Confirm:$false
    }
}