Get-HostLogs

VMware: Retrieves entries from vSphere logs

Script

#Requires -Version 5.1
#Requires -Modules VMware.VimAutomation.Core
[CmdletBinding()]
Param(
    [Parameter(Mandatory = $true)]
    [string]$VIServer,
    [Parameter(Mandatory = $true)]
    [pscredential]$VICredential,
    [Parameter(Mandatory = $true)]
    [string]$HostName,
    [string]$LogFileKey,
    [int32]$StartLineNumber = 1,
    [int32]$LineNumbers = 20,
    [switch]$Bundle,
    [string]$DestinationPath
)
Process {
    $vmServer = $null
    try {
        $vmServer = Connect-VIServer -Server $VIServer -Credential $VICredential -ErrorAction Stop
        $timestamp = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
        $vmHost = Get-VMHost -Server $vmServer -Name $HostName -ErrorAction Stop
        if ($Bundle) {
            $result = Get-Log -Server $vmServer -VMHost $vmHost -Bundle -DestinationPath $DestinationPath -ErrorAction Stop
            foreach ($item in $result) {
                $item | Add-Member -NotePropertyName 'Timestamp' -NotePropertyValue $timestamp -Force
                Write-Output $item
            }
        }
        else {
            if ([System.String]::IsNullOrWhiteSpace($LogFileKey)) {
                $LogFileKey = Get-LogType -Server $vmServer -VMHost $vmHost -ErrorAction Stop | Select-Object -First 1 -ExpandProperty Key
            }
            $result = Get-Log -Server $vmServer -VMHost $vmHost -Key $LogFileKey -StartLineNum $StartLineNumber -NumLines $LineNumbers -ErrorAction Stop | Select-Object -ExpandProperty Entries
            foreach ($item in $result) {
                $item | Add-Member -NotePropertyName 'Timestamp' -NotePropertyValue $timestamp -Force
                Write-Output $item
            }
        }
    }
    catch { throw }
    finally { if ($null -ne $vmServer) { Disconnect-VIServer -Server $vmServer -Force -Confirm:$false -ErrorAction SilentlyContinue } }
}

Customize

VIServer string

IP address or DNS name of the vSphere server

VICredential pscredential

PSCredential object for authenticating with the server

HostName string

Name of the host to retrieve logs from

LogFileKey string

Key identifier of the log file to retrieve; auto-detected if empty

StartLineNumber int32

Start line number for reading from the logs

LineNumbers int32

Number of lines to retrieve from the logs

Bundle switch

Off

Retrieve a diagnostic bundle of logs

DestinationPath string

Local file path where to save the log bundle