pply-OMRightsizing

2020-07-30 20:45:13 +02:00
parent b78fb11206
commit 9532ea9fac
1 changed files with 145 additions and 0 deletions
--- a/Scripts/Apply-OMRightsizing.ps1
+++ b/Scripts/Apply-OMRightsizing.ps1
@@ -0,0 +1,145 @@
+function Apply-OMRightsizing {
+<#	
+    .NOTES
+    ===========================================================================
+    Created by: Markus Kraus
+    ===========================================================================
+    Changelog:  
+    2020.07 ver 1.0 Base Release  
+    ===========================================================================
+    External Code Sources: 
+    -
+    ===========================================================================
+    Tested Against Environment:
+    vSphere Version: vSphere 6.7 U3
+    PowerCLI Version: PowerCLI 11.5
+    PowerShell Version: 5.1
+    OS Version: Windows 10
+    Keyword: vSphere, vRealize, Rightsizing
+    ===========================================================================
+
+    .DESCRIPTION
+    This function views or applies rightsizing recommendations from vRealize Operations to your vSphere VMs.
+
+    .Example
+    Get-VM -Name test-* | Get-OMResource | Apply-OMRightsizing -ViewOnly  | Sort-Object DownSizeMemGB, DownSizeCPU -Descending | Format-Table -AutoSize
+
+    .Example
+    Get-VM -Name test-* | Get-OMResource | Apply-OMRightsizing -Apply -NoUpsizing
+
+    .PARAMETER OMResources
+    vRealize Operations Ressources to process
+
+    .PARAMETER ViewOnly
+    View Recommendations
+
+    .PARAMETER Apply
+    Apply Recommendations
+
+    .PARAMETER NoUpsizing
+    Apply only Downsizing Recommendations
+
+#Requires PS -Version 5.1
+#Requires -Modules VMware.VimAutomation.Core, @{ModuleName="VMware.VimAutomation.Core";ModuleVersion="11.5.0.0"}
+#>
+
+    [CmdletBinding()]
+        param(
+            [Parameter(Mandatory=$True, ValueFromPipeline=$True, Position=0, HelpMessage = "OM Ressources to process")]
+            [ValidateNotNullorEmpty()]
+                $OMResources,
+            [Parameter(Mandatory=$False, ValueFromPipeline=$False, ParameterSetName="ViewOnly", HelpMessage = "View Recommendations")]
+                [Switch] $ViewOnly,
+            [Parameter(Mandatory=$False, ValueFromPipeline=$False, ParameterSetName="Apply", HelpMessage = "Apply Recommendations")]
+                [Switch] $Apply,
+            [Parameter(Mandatory=$False, ValueFromPipeline=$False, ParameterSetName="Apply", HelpMessage = "Apply only Downsizing Recommendations")]
+                [Switch] $NoUpsizing
+        )
+    Process {
+        if ($ViewOnly -or $Apply){
+            "Collecting Report ..."
+
+            $View = @()
+
+            foreach ($OMResource in $OMResources){
+                $DownSize = ($OMResource | Get-OMStat -Key "summary|oversized" -From ([DateTime]::Now).AddMinutes(-120) | Select-Object -Last 1).Value
+                $UpSize = ($OMResource | Get-OMStat -Key "summary|undersized" -From ([DateTime]::Now).AddMinutes(-120) | Select-Object -Last 1).Value
+
+                # Mem is in KB
+                if($DownSize -gt 0){
+                    $DownSizeMem = ($OMResource | Get-OMStat -Key "summary|oversized|memory" -From ([DateTime]::Now).AddMinutes(-120) | Select-Object -Last 1).Value
+                    $DownSizeCPU = ($OMResource | Get-OMStat -Key "summary|oversized|vcpus" -From ([DateTime]::Now).AddMinutes(-120) | Select-Object -Last 1).Value
+                }
+                else {
+                    $DownSizeMem = 0
+                    $DownSizeCPU = 0
+                }
+
+                # Mem is in KB
+                if($UpSize -gt 0){
+                    $UpSizeMem = ($OMResource | Get-OMStat -Key "summary|undersized|memory" -From ([DateTime]::Now).AddMinutes(-120) | Select-Object -Last 1).Value
+                    $UpSizeCPU = ($OMResource | Get-OMStat -Key "summary|undersized|vcpus" -From ([DateTime]::Now).AddMinutes(-120) | Select-Object -Last 1).Value
+                }
+                else {
+                    $UpSizeMem = 0
+                    $UpSizeCPU = 0
+                }
+
+                $Report = [PSCustomObject] @{
+                        Name = $OMResource.name
+                        DownSize = $DownSize
+                        UpSize = $UpSize
+                        DownSizeMem = $DownSizeMem
+                        DownSizeMemGB = [Math]::Round(($DownSizeMem / 1048576), 0)
+                        DownSizeCPU = $DownSizeCPU
+                        UpSizeMem = $UpSizeMem
+                        UpSizeMemGB = [Math]::Round(($UpSizeMem / 1048576), 0)
+                        UpSizeCPU = $upSizeCPU
+
+                    }
+                    $View += $Report
+                }
+
+        }
+        if ($ViewOnly){
+            $View
+        }
+        if ($Apply){
+            foreach ($Object in $View) {
+
+                if ($Object.DownSize -gt 0 -or $Object.UpSize -gt 0){
+                    "Processing '$($Object.Name)' ..."
+                    $VM = Get-VM -Name $Object.Name
+                    "Shut down '$($Object.Name)' ..."
+                    $VM | Shutdown-VMGuest -Confirm:$False
+                    $i = 0
+                    while((Get-VM -Name $VM.Name).PowerState -eq "PoweredOn"){
+                        $i++
+                        Start-Sleep 1
+                        Write-Progress -Activity "Check PowerState" -Status "Wait for PowerState Task..."
+                    }
+                    "Create Snapshot for '$($Object.Name)' ..."
+                    $VM | New-Snapshot -Name "Pre Resize" -Memory:$false -Quiesce:$false
+                    if ($Object.DownSize -gt 0){
+                        "Downsize '$($Object.Name)' ..."
+                        $VM | Set-VM -NumCPU $($VM.NumCpu - $Object.DownSizeCPU) -MemoryGB $($VM.MemoryGB - $Object.DownSizeMemGB) -Confirm:$False
+
+                    }
+                    if ($Object.UpSize -gt 0 -and $NoUpsizing -eq $False){
+                        "Upsize '$($Object.Name)' ..."
+                        $VM = Get-VM -Name $Object.Name
+                        $VM | Set-VM -NumCPU $($VM.NumCpu + $Object.UpSizeCPU) -MemoryGB $($VM.MemoryGB + $Object.UpSizeMemGB) -Confirm:$False
+
+                    }
+                    #$VM = Get-VM -Name $Object.Name
+                    #$VM | Get-VMResourceConfiguration | Set-VMResourceConfiguration -CpuReservationMhz $($VM.NumCpu * 200) -MemReservationGB $($VM.MemoryGB / 2) -Confirm:$False
+                    "Power on '$($Object.Name)' ..."
+                    $VM | Start-VM -Confirm:$False
+                }
+
+            }
+
+        }
+
+    }
+}