Prefer starttype of services fetching over WMI

Author: LordHepipud

doc/31-Changelog.md

@@ -23,6 +23,7 @@ Released closed milestones can be found on [GitHub](https://github.com/Icinga/ic
 
 * [#123](https://github.com/Icinga/icinga-powershell-plugins/pull/123) Fixes wrong documented user group for accessing Performance Counter objects which should be `Performance Monitor Users`
 * [#124](https://github.com/Icinga/icinga-powershell-plugins/pull/124) Fixes crash on `Invoke-IcingaCheckService` if an automatic service is not running
+* [#126](https://github.com/Icinga/icinga-powershell-plugins/pull/126) Fixes code base for `Invoke-IcingaCheckService` by preferring to fetch the startup type of services by using WMI instead of `Get-Services`, as the result of `Get-Services` might be empty in some cases
 
 ## 1.3.0 (2020-12-01)
 

provider/enums/Icinga_ProviderEnums.psm1

@@ -863,9 +863,30 @@
 }
 
 [hashtable]$ServiceStartupType = @{
+    'Boot'      = 0;
+    'System'    = 1;
     'Automatic' = 2;
     'Manual'    = 3;
     'Disabled'  = 4;
+    'Unknown'   = 5; # Custom
+}
+
+[hashtable]$ServiceStartupTypeName = @{
+    0 = 'Boot';
+    1 = 'System';
+    2 = 'Automatic';
+    3 = 'Manual';
+    4 = 'Disabled';
+    5 = 'Unknown'; # Custom
+}
+
+[hashtable]$ServiceWmiStartupType = @{
+    'Boot'     = 0;
+    'System'   = 1;
+    'Auto'     = 2;
+    'Manual'   = 3;
+    'Disabled' = 4;
+    'Unknown'  = 5; # Custom
 }
 
 <##################################################################################################
@@ -1013,6 +1034,8 @@
     ServiceStatus                  = $ServiceStatus;
     ServiceStatusName              = $ServiceStatusName;
     ServiceStartupType             = $ServiceStartupType;
+    ServiceStartupTypeName         = $ServiceStartupTypeName;
+    ServiceWmiStartupType          = $ServiceWmiStartupType;
     #/lib/provider/tasks
     ScheduledTaskStatus            = $ScheduledTaskStatus;
     ScheduledTaskName              = $ScheduledTaskName;

provider/services/Icinga_ProviderServices.psm1

@@ -26,6 +26,8 @@ function Get-IcingaServices()
         [array]$DependingServices = $null;
         $ServiceExitCode          = 0;
         [string]$ServiceUser      = '';
+        [int]$StartModeId         = 5;
+        [string]$StartMode        = 'Unknown';
 
         if ($Exclude -contains $service.ServiceName) {
             continue;
@@ -35,6 +37,10 @@ function Get-IcingaServices()
             if ($wmiService.Name -eq $service.ServiceName) {
                 $ServiceUser     = $wmiService.StartName;
                 $ServiceExitCode = $wmiService.ExitCode;
+                if ([string]::IsNullOrEmpty($wmiService.StartMode) -eq $FALSE) {
+                    $StartModeId = ([int]$ProviderEnums.ServiceWmiStartupType[$wmiService.StartMode]);
+                    $StartMode   = $ProviderEnums.ServiceStartupTypeName[$StartModeId];
+                }
                 break;
             }
         }
@@ -57,34 +63,34 @@ function Get-IcingaServices()
 
         $ServiceData.Add(
             $service.Name, @{
-                'metadata' = @{
-                    'DisplayName' = $service.DisplayName;
-                    'ServiceName' = $service.ServiceName;
-                    'Site' = $service.Site;
-                    'Container' = $service.Container;
+                'metadata'      = @{
+                    'DisplayName'   = $service.DisplayName;
+                    'ServiceName'   = $service.ServiceName;
+                    'Site'          = $service.Site;
+                    'Container'     = $service.Container;
                     'ServiceHandle' = $service.ServiceHandle;
-                    'Dependent' = $DependentServices;
-                    'Depends' = $DependingServices;
+                    'Dependent'     = $DependentServices;
+                    'Depends'       = $DependingServices;
                 };
                 'configuration' = @{
                     'CanPauseAndContinue' = $service.CanPauseAndContinue;
-                    'CanShutdown' = $service.CanShutdown;
-                    'CanStop' = $service.CanStop;
-                    'Status' = @{
-                        'raw' = [int]$service.Status;
+                    'CanShutdown'         = $service.CanShutdown;
+                    'CanStop'             = $service.CanStop;
+                    'Status'              = @{
+                        'raw'   = [int]$service.Status;
                         'value' = $service.Status;
                     };
-                    'ServiceType' = @{
-                        'raw' = [int]$service.ServiceType;
+                    'ServiceType'         = @{
+                        'raw'   = [int]$service.ServiceType;
                         'value' = $service.ServiceType;
                     };
-                    'ServiceHandle' = $service.ServiceHandle;
-                    'StartType' = @{
-                        'raw' = [int]$service.StartType;
-                        'value' = $service.StartType;
+                    'ServiceHandle'       = $service.ServiceHandle;
+                    'StartType'           = @{
+                        'raw'   = $StartModeId;
+                        'value' = $StartMode;
                     };
-                    'ServiceUser' = $ServiceUser;
-                    'ExitCode'    = $ServiceExitCode;
+                    'ServiceUser'         = $ServiceUser;
+                    'ExitCode'            = $ServiceExitCode;
                 }
             }
         );