Automating VM Reports in VMware vSphere with PowerShell

Generating reports for virtual machines in VMware vSphere can be a tedious task. This PowerShell script automates the creation of reports that summarize key VM information, such as name, power state, and resource allocation. By using this script, you can quickly produce reports to assist in managing your virtual environment effectively.
### Step 1: Load VMware PowerCLI Module
Start by loading the VMware PowerCLI module, which enables interaction with your vSphere environment.
“`powershell

# Load VMware PowerCLI module
Import-Module VMware.PowerCLI

“`
### Step 2: Connect to the vSphere Server
Next, establish a connection to your vSphere server by providing your credentials. Replace the placeholders with your actual server information.
“`powershell

# Connect to the vSphere server
$vCenterServer = "your_vcenter_server"
$username = "your_username"
$password = "your_password"
Connect-VIServer -Server $vCenterServer -User $username -Password $password

“`
### Step 3: Define VMs for Reporting
Specify which virtual machines you would like to include in your report. You can adjust the list as necessary.
“`powershell

# Define the VMs to include in the report
$vmNames = @("VM1", "VM2", "VM3") # Replace with your VM names

“`
### Step 4: Generate VM Report
This section of the script gathers information about each specified VM and compiles it into a report format. The data includes VM name, power state, CPU count, and memory size.
“`powershell

# Generate the VM report
$report = @()
foreach ($vmName in $vmNames) {
    $vm = Get-VM -Name $vmName
    if ($null -ne $vm) {
        $reportEntry = [PSCustomObject]@{
            Name       = $vm.Name
            PowerState = $vm.PowerState
            CPUCount   = $vm.NumCPU
            MemoryGB   = [math]::round($vm.MemoryGB, 2)
        }
        $report += $reportEntry
    } else {
        Write-Host "VM $vmName not found."
    }
}
# Output the report to the console
$report | Format-Table -AutoSize

“`
### Step 5: Export Report to CSV
Finally, this block exports the generated report to a CSV file for further analysis or record-keeping.
“`powershell

# Export the report to a CSV file
$report | Export-Csv -Path "C:\Path\To\Your\Report.csv" -NoTypeInformation
Write-Host "Report exported to C:\Path\To\Your\Report.csv"

“`
### Step 6: Disconnect from vSphere
Remember to disconnect from the vSphere server to maintain security and optimize resource usage.
“`powershell

# Disconnect from the vSphere server
Disconnect-VIServer -Server $vCenterServer -Confirm:$false

“`
This automated VM report generation script facilitates a quick overview of your virtual environment, saving time and aiding decision-making.
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