Read Veeam job results from last sessions

Monitor-VeeamJobs.ps1

@@ -137,6 +137,41 @@ function Get-ObjectValue {
     return $null
 }
 
+function Invoke-ObjectMethodValue {
+    param(
+        [Parameter(Mandatory = $true)]
+        [object]$InputObject,
+
+        [Parameter(Mandatory = $true)]
+        [string[]]$Names
+    )
+
+    foreach ($name in $Names) {
+        if ($null -eq $InputObject) {
+            return $null
+        }
+
+        $method = $InputObject.PSObject.Methods[$name]
+
+        if ($null -eq $method) {
+            continue
+        }
+
+        try {
+            $value = $method.Invoke()
+
+            if ($null -ne $value) {
+                return $value
+            }
+        }
+        catch {
+            continue
+        }
+    }
+
+    return $null
+}
+
 function Get-VeeamJobName {
     param(
         [Parameter(Mandatory = $true)]
@@ -193,38 +228,95 @@ function Get-VeeamJobScheduleEnabled {
     )
 }
 
-function Get-VeeamJobLastResult {
+function Get-VeeamJobLastSession {
     param(
         [Parameter(Mandatory = $true)]
         [object]$Job
     )
 
-    return Get-ObjectValue -InputObject $Job -Paths @(
+    return Invoke-ObjectMethodValue -InputObject $Job -Names @(
+        'FindLastSession',
+        'GetLastSession',
+        'FindLastBackupSession'
+    )
+}
+
+function Get-VeeamJobLastResult {
+    param(
+        [Parameter(Mandatory = $true)]
+        [object]$Job,
+
+        [object]$LastSession
+    )
+
+    $value = Get-ObjectValue -InputObject $Job -Paths @(
         'Info.LastResult',
         'LastResult',
         'Info.LatestRunResult',
         'LatestRunResult'
     )
+
+    if ($null -ne $value) {
+        return $value
+    }
+
+    $value = Invoke-ObjectMethodValue -InputObject $Job -Names @(
+        'GetLastResult',
+        'FindLastResult'
+    )
+
+    if ($null -ne $value) {
+        return $value
+    }
+
+    if ($null -eq $LastSession) {
+        return $null
+    }
+
+    return Get-ObjectValue -InputObject $LastSession -Paths @(
+        'Result',
+        'Info.Result',
+        'JobResult',
+        'Status'
+    )
 }
 
 function Get-VeeamJobLastState {
     param(
         [Parameter(Mandatory = $true)]
-        [object]$Job
+        [object]$Job,
+
+        [object]$LastSession
     )
 
-    return Get-ObjectValue -InputObject $Job -Paths @(
+    $value = Get-ObjectValue -InputObject $Job -Paths @(
         'Info.LastState',
         'LastState',
         'Info.LatestRunState',
         'LatestRunState'
     )
+
+    if ($null -ne $value) {
+        return $value
+    }
+
+    if ($null -eq $LastSession) {
+        return $null
+    }
+
+    return Get-ObjectValue -InputObject $LastSession -Paths @(
+        'State',
+        'Info.State',
+        'Status'
+    )
 }
 
 function Get-VeeamJobLastRun {
     param(
         [Parameter(Mandatory = $true)]
-        [object]$Job
+        [object]$Job,
+
+        [object]$LastSession
     )
 
     $value = Get-ObjectValue -InputObject $Job -Paths @(
@@ -240,6 +332,17 @@ function Get-VeeamJobLastRun {
         'LastEndTime'
     )
 
+    if ($null -eq $value -and $null -ne $LastSession) {
+        $value = Get-ObjectValue -InputObject $LastSession -Paths @(
+            'CreationTime',
+            'CreationTimeLocal',
+            'EndTime',
+            'EndTimeLocal',
+            'Info.CreationTime',
+            'Info.EndTime'
+        )
+    }
+
     return ConvertTo-ZabbixDateTime -Value $value
 }
 
@@ -394,8 +497,9 @@ function Get-VeeamJobMetrics {
     $jobDetails = @($allJobs | ForEach-Object {
         $jobName = Get-VeeamJobName -Job $_
         $scheduleEnabled = Get-VeeamJobScheduleEnabled -Job $_
-        $lastResult = Get-VeeamJobLastResult -Job $_
-        $lastState = Get-VeeamJobLastState -Job $_
+        $lastSession = Get-VeeamJobLastSession -Job $_
+        $lastResult = Get-VeeamJobLastResult -Job $_ -LastSession $lastSession
+        $lastState = Get-VeeamJobLastState -Job $_ -LastSession $lastSession
         $restorePoints = $null
 
         if ($restorePointCounts.ContainsKey($jobName)) {
@@ -405,7 +509,7 @@ function Get-VeeamJobMetrics {
         [ordered]@{
             name           = $jobName
             enabled        = $scheduleEnabled
-            last_run       = Get-VeeamJobLastRun -Job $_
+            last_run       = Get-VeeamJobLastRun -Job $_ -LastSession $lastSession
             next_run       = Get-VeeamJobNextRun -Job $_
             last_result    = if ($null -eq $lastResult) { $null } else { [string]$lastResult }
             last_state     = if ($null -eq $lastState) { $null } else { [string]$lastState }
@@ -418,21 +522,21 @@ function Get-VeeamJobMetrics {
         $scheduleEnabled -eq $false
     })
     $errorJobs = @($allJobs | Where-Object {
-        $lastState = Get-VeeamJobLastState -Job $_
-        $lastResult = Get-VeeamJobLastResult -Job $_
+        $lastSession = Get-VeeamJobLastSession -Job $_
+        $lastState = Get-VeeamJobLastState -Job $_ -LastSession $lastSession
+        $lastResult = Get-VeeamJobLastResult -Job $_ -LastSession $lastSession
 
         $lastState -eq 'Failed' -or $lastResult -eq 'Failed'
     })
     $warningJobs = @($allJobs | Where-Object {
-        $lastState = Get-VeeamJobLastState -Job $_
-        $lastResult = Get-VeeamJobLastResult -Job $_
+        $lastSession = Get-VeeamJobLastSession -Job $_
+        $lastState = Get-VeeamJobLastState -Job $_ -LastSession $lastSession
+        $lastResult = Get-VeeamJobLastResult -Job $_ -LastSession $lastSession
 
         $lastState -eq 'Warning' -or $lastResult -eq 'Warning'
     })
-    $successfulJobs = @($allJobs | Where-Object {
-        $lastResult = Get-VeeamJobLastResult -Job $_
-
-        $lastResult -eq 'Success'
+    $successfulJobs = @($jobDetails | Where-Object {
+        $_.last_result -in @('Success', 'Succeeded') -or $_.last_state -in @('Success', 'Succeeded')
     })
 
     $disabledCount = $disabledJobs.Count