VMware REST API functions

vmware.ps1

$username = 'username'
$password = 'password'
$vcenter = 'localhost'
$authURL = "https://$vcenter/rest/com/vmware/cis/session"
$apiBaseURL = "https://$vcenter/rest/vcenter"
$vmAPIURL = $apiBaseURL + '/vm'
$ct = 'application/json'
$sec = ConvertTo-SecureString -AsPlainText $Password -Force
$creds = New-Object -TypeName System.Management.Automation.PSCredential -ArgumentList $username, $sec

# Authenticate
$r = Invoke-RestMethod -Uri $authURL -SkipCertificateCheck -Authentication Basic -Credential $creds -Method Post
$header = @{'vmware-api-session-id' = $r.value }

function Update-CPU {
  [CmdletBinding()]
  param (
    [Parameter(Mandatory)]
    [string]
    $VMId,
    [Parameter(Mandatory)]
    [int]
    $CoresPerSocket,
    [Parameter(Mandatory)]
    [int]
    $Count
  )

  $body = @{
    "spec" = @{
      "cores_per_socket" = $CoresPerSocket
      "count"            = $Count
    }
  } | ConvertTo-Json

  Invoke-WebRequest -Uri $vmAPIURL + "/$($VMId)/hardware/cpu" -Headers $header -SkipCertificateCheck -Method PATCH -Body $body -ContentType $ct

}

function Detach-Disk {
  [CmdletBinding()]
  param (
    [Parameter(Mandatory, ValueFromPipeline)]
    [string]
    $VMId,
    [Parameter(Mandatory, ValueFromPipeline)]
    [string]
    $DiskId
  )

  Invoke-RestMethod $vmAPIURL + "/$($VMId)/hardware/disk/$DiskId" -Method Delete -Headers $header -SkipCertificateCheck
}

<#
?filter.power_states.1=POWERED_OFF
&filter.power_states.2=POWERED_OFF
&filter.resource_pools.1=obj-103
&filter.resource_pools.2=obj-103
&filter.clusters.1=obj-103
&filter.clusters.2=obj-103
&filter.datacenters.1=obj-103
&filter.datacenters.2=obj-103
&filter.names.1=string
&filter.names.2=string
&filter.hosts.1=obj-103
&filter.hosts.2=obj-103
&filter.vms.1=obj-103
&filter.vms.2=obj-103
&filter.folders.1=obj-103
&filter.folders.2=obj-103
#>

$vmName = 'xxx'
$queryString = "?filter.names.1=$vmName"

# Get VMs
$vms = Invoke-WebRequest -Uri $vmAPIURL + $queryString -Headers $header -SkipCertificateCheck
$VMId = $vms.value[0].vm

# update cpu
Update-CPU -VMId $VMId -CoresPerSocket 1 -Count 1

# get disks
$disks = Invoke-RestMethod $vmAPIURL + "/$VMId/hardware/disk"
$diskId = $disks.value[1].disk

# Detach-Disk -VMId $VMId -DiskId $diskId