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Difference between revisions of "Script Extracts and Examples (PowerCLI)"
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Script Extracts and Examples (PowerCLI) (view source)
Revision as of 10:00, 24 August 2010
, 10:00, 24 August 2010→Script Extracts: Added "ESX Log Tail"
(→Virtual Machine: Added Snapshot info) |
(→Script Extracts: Added "ESX Log Tail") |
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$result | $result | ||
Write-Host | Write-Host | ||
} | |||
</source> | |||
=== ESX Log Tail === | |||
Pointless for ESX (you can just use tail from the Service Console on the [ESX#Useful_paths_.2F_logfiles|appropriate log]), but a godsend it you're using ESXi (and have got used to tailing ESX logs). | |||
<source lang="powershell"> | |||
$PollInterval = 1000 # msec (default - can be overrided by user) | |||
#Get ESX to poll | |||
$ESXs = Get-VMHost | Sort-Object -Property Name | |||
Write-Host "`nWhich ESX's log do you want to tail?" | |||
$num = 0 | |||
foreach ($esx in $ESXs) { | |||
Write-Host "[$num]" $ESXs[$num].Name | |||
$num++ | |||
} | |||
$num = 0 | |||
$num = Read-Host "? [$num] " | |||
$ESX = Get-VMHost $ESXs[$num] | |||
Write-Host " " | |||
# Get Log keys to look at | |||
$keys = Get-LogType -VMHost $ESX | |||
Write-Host "`nWhich log do you want to tail?" | |||
$num = 0 | |||
foreach ($key in $keys) { | |||
Write-Host "[$num]" $keys[$num].Key | |||
$num++ | |||
} | |||
$num = 0 | |||
$num = Read-Host "? [$num] " | |||
$logKey = $keys[$num].Key | |||
# Set polling interval | |||
$PollInterval = Read-Host "`nWhat polling interval do you want to use (msec)? [$PollInterval]" | |||
Write-Host "`nStarting log tail (press Ctrl+C to escape)...`n" | |||
# First pass of log | |||
$ESXLog = Get-Log $LogKey -VMHost $ESX | |||
#Display last $lines | |||
$LineNo = $ESXLog.LastLineNum - $lines | |||
While ($LineNo -le $ESXLog.LastLineNum) { | |||
Write-Host $ESXlog.Entries[$LineNo] | |||
$LineNo++ | |||
} | |||
#Polling loop | |||
While (1) { | |||
Start-Sleep -Milliseconds $PollInterval | |||
try { | |||
$ESXLog = Get-Log $logKey -VMHost $ESX -StartLineNum $LineNo | |||
} catch { | |||
if (Select-String -InputObject $_ -pattern "The 0 argument is less than the minimum allowed range of 1" -Quiet) { | |||
Write-Host "ESX log is rolling over..." | |||
$ESXLog = Get-Log $logKey -VMHost $ESX | |||
} else { | |||
Write-Host "UNEXPECTED ERROR: $_" | |||
Exit | |||
} | |||
} | |||
$ESXlog.Entries | |||
$LineNo = $ESXLog.LastLineNum | |||
} | } | ||
</source> | </source> | ||