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Add datastore check and improve output formatting for OK state. #4

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Add datastore check and improve output formatting for OK state. #4

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30 changes: 23 additions & 7 deletions check_vsphere/check_vsphere.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ The critical threshold

.PARAMETER Metric

The metric to collect and check (CPU or Memory)
The metric to collect and check (CPU, Memory or Datastore)

.PARAMETER Mode

Expand Down Expand Up @@ -75,7 +75,7 @@ param(
[string]$Cluster,
[string]$CredentialFile,
[string]$Critical = 75,
[ValidateSet("CPU", "Memory")][string]$Metric = 'CPU',
[ValidateSet("CPU", "Memory", "Datastore")][string]$Metric = 'CPU',
[ValidateSet("Cluster","Host")][string]$Mode = 'Cluster',
[string]$Password, # Included for compatibility with Powershell on Linux
[Parameter(Mandatory=$true)][string]$Server,
Expand All @@ -93,6 +93,8 @@ $totalCPU
$usedCPU
$totalMemory
$usedMemory
$datastoreTotalGB
$datastoreUsedGB


# Connect using provided credentials, else assume that we're binding with logged in user
Expand Down Expand Up @@ -127,12 +129,16 @@ Switch($Mode) {

'Host' {
$esxHost = Get-VMHost -Name $VMHost
$esxDatastore = Get-VMHost -Name $VMHost | Get-Datastore
$totalCPU = $esxHost.CpuTotalMhz
$usedCPU = $esxHost.CpuUsageMhz
$totalMemory = $esxHost.MemoryTotalGB
$usedMemory = $esxHost.MemoryUsageGB
# $datastoreName = $esxDatastore.Name
$datastoreTotalGB = $esxDatastore.CapacityGB
$datastoreFreeGB = $esxDatastore.FreeSpaceGB
$datastoreUsedGB = $esxDatastore.CapacityGB - $datastoreFreeGB
}

}

$metricRawTotal
Expand All @@ -141,6 +147,8 @@ $metricRawFree
$metricPercentFree
$metricPercentUsed
$metricUnit
$metricDatastoreTotalGB
$metricDatastoreUsedGB

Switch($Metric) {

Expand All @@ -158,13 +166,21 @@ Switch($Metric) {
$metricUnit = "GB"
}

'Datastore' {
$Metric = 'Datastore' # Fix case insensitivity
$metricRawTotal = $datastoreTotalGB
$metricRawUsed = $datastoreUsedGB
$metricUnit = "GB"
}
}

$metricRawFree = $metricRawTotal - $metricRawUsed
$metricPercentUsed = $metricRawUsed / $metricRawTotal * 100
$metricPercentFree = ($metricRawTotal - $metricRawUsed) / $metricRawTotal * 100
$metricRawTotal = [math]::round($metricRawTotal,2)
$metricRawUsed = [math]::round($metricRawUsed,2)
$metricRawFree = [math]::round(($metricRawTotal - $metricRawUsed),2)
$metricPercentUsed = [math]::round(($metricRawUsed / $metricRawTotal * 100),2)
$metricPercentFree = [math]::round((($metricRawTotal - $metricRawUsed) / $metricRawTotal * 100),2)

$outputMessage = 'OK' # Printed to stdout, OK is overridden if needed
$outputMessage = "$Metric OK: $metricRawUsed$metricUnit of $metricRawTotal$metricUnit ($metricPercentUsed%) Used" # Printed to stdout, OK is overridden if needed
$exitCode # Script exit code

#TODO: handle ranges
Expand Down