Adds support for service recovery

doc/100-General/10-Changelog.md

@@ -7,12 +7,20 @@ documentation before upgrading to a new release.
 
 Released closed milestones can be found on [GitHub](https://github.com/Icinga/icinga-powershell-framework/milestones?state=closed).
 
+## 1.10.0 (2022-08-16)
+
+[Issue and PRs](https://github.com/Icinga/icinga-powershell-framework/milestone/23?closed=1)
+
+### Enhancements
+
+* [#40](https://github.com/Icinga/icinga-powershell-framework/issues/40) Adds support to set service recovery for the Icinga Agent and Icinga for Windows service, to restart them in case of a crash or error
+
 ## 1.9.1 (2022-05-13)
 
-### Bugfixes
-
 [Issue and PRs](https://github.com/Icinga/icinga-powershell-framework/milestone/24?closed=1)
 
+### Bugfixes
+
 * [#519](https://github.com/Icinga/icinga-powershell-framework/pull/519) Fixes missing loading of Icinga for Windows modules, which is required to ensure an Icinga for Windows environment is providing all commands and variables to a session, allowing other modules to access these information
 * [#520](https://github.com/Icinga/icinga-powershell-framework/pull/520) Adds missing `Import-IcingaPowerShellComponent` function while creating new components by using the developer tools
 

lib/core/installer/Start-IcingaForWindowsInstallation.psm1

@@ -60,6 +60,9 @@ function Start-IcingaForWindowsInstallation()
     # Api Checks
     $InstallApiChecks      = Get-IcingaForWindowsInstallerStepSelection -InstallerStep 'Show-IcingaForWindowsInstallerMenuSelectInstallApiChecks';
 
+    # Service Recovery
+    $ServiceRecovery       = Get-IcingaForWindowsInstallerStepSelection -InstallerStep 'Show-IcingaForWindowsInstallerMenuSelectServiceRecovery';
+
     $Hostname              = '';
     $GlobalZones           = @();
     $IcingaParentAddresses = @();
@@ -284,6 +287,17 @@ function Start-IcingaForWindowsInstallation()
         };
     }
 
+    switch ($ServiceRecovery) {
+        '0' {
+            Disable-IcingaServiceRecovery;
+            break;
+        };
+        '1' {
+            Enable-IcingaServiceRecovery;
+            break;
+        };
+    }
+
     # Install Icinga for Windows certificate if both, JEA and REST is installed
     if ($InstallJEA -And $InstallRESTApi) {
         Install-IcingaForWindowsCertificate;

lib/core/installer/menu/installation/AdvancedEntries.psm1

@@ -30,6 +30,7 @@ function Add-IcingaForWindowsInstallationAdvancedEntries()
     Show-IcingaForWindowsInstallerMenuSelectInstallJEAProfile -Automated -Advanced;
     Show-IcingaForWindowsInstallationMenuEnterIcingaCAServer -Automated -Advanced;
     Show-IcingaForWindowsInstallerMenuSelectInstallApiChecks -Automated -Advanced;
+    Show-IcingaForWindowsInstallerMenuSelectServiceRecovery -Automated -Advanced;
 
     Enable-IcingaFrameworkConsoleOutput;
 

lib/core/installer/menu/installation/framework/ServiceRecovery.psm1

@@ -0,0 +1,32 @@
+function Show-IcingaForWindowsInstallerMenuSelectServiceRecovery()
+{
+    param (
+        [array]$Value          = @(),
+        [string]$DefaultInput  = '1',
+        [switch]$JumpToSummary = $FALSE,
+        [switch]$Automated     = $FALSE,
+        [switch]$Advanced      = $FALSE
+    );
+
+    Show-IcingaForWindowsInstallerMenu `
+        -Header 'Please select if you want to enable or disable automatic service recovery' `
+        -Entries @(
+            @{
+                'Caption' = 'Disable automatic service recovery';
+                'Command' = 'Show-IcingaForWindowsInstallerConfigurationSummary';
+                'Help'    = 'Enables automatic service recovery for the Icinga Agent and Icinga for Windows service, in case the server terminates itself because of errors';
+            },
+            @{
+                'Caption' = 'Enable automatic service recovery';
+                'Command' = 'Show-IcingaForWindowsInstallerConfigurationSummary';
+                'Help'    = 'Disables automatic service recovery for the Icinga Agent and Icinga for Windows service, in case the server terminates itself because of errors';
+            }
+        ) `
+        -DefaultIndex $DefaultInput `
+        -JumpToSummary:$FALSE `
+        -ConfigElement `
+        -Automated:$Automated `
+        -Advanced:$Advanced;
+}
+
+Set-Alias -Name 'IfW-ServiceRecovery' -Value 'Show-IcingaForWindowsInstallerMenuSelectServiceRecovery';

lib/core/installer/menu/manage/settings/services/ManageServices.psm1

@@ -96,6 +96,28 @@ function Show-IcingaForWindowsMenuManageIcingaForWindowsServices()
                 'Action'         = @{
                     'Command' = 'Restart-IcingaWindowsService';
                 }
+            },
+            @{
+                'Caption'        = 'Enable recovery settings for services';
+                'Command'        = 'Show-IcingaForWindowsMenuManageIcingaForWindowsServices';
+                'Help'           = 'Enables automatic service recovery for the Icinga Agent and Icinga for Windows service, in case the server terminates itself because of errors';
+                'Disabled'       = ($null -eq $IcingaForWindowsService -And $null -eq $IcingaAgentService);
+                'DisabledReason' = 'Neither the Icinga Agent nor the Icinga for Windows service are installed';
+                'AdminMenu'      = $TRUE;
+                'Action'         = @{
+                    'Command' = 'Enable-IcingaServiceRecovery';
+                }
+            },
+            @{
+                'Caption'        = 'Disable recovery settings for services';
+                'Command'        = 'Show-IcingaForWindowsMenuManageIcingaForWindowsServices';
+                'Help'           = 'Disables automatic service recovery for the Icinga Agent and Icinga for Windows service, in case the server terminates itself because of errors';
+                'Disabled'       = ($null -eq $IcingaForWindowsService -And $null -eq $IcingaAgentService);
+                'DisabledReason' = 'Neither the Icinga Agent nor the Icinga for Windows service are installed';
+                'AdminMenu'      = $TRUE;
+                'Action'         = @{
+                    'Command' = 'Disable-IcingaServiceRecovery';
+                }
             }
         );
 }

lib/core/windows/Disable-IcingaServiceRecovery.psm1

@@ -0,0 +1,22 @@
+function Disable-IcingaServiceRecovery()
+{
+    if ($null -ne (Get-Service 'icinga2')) {
+        $ServiceStatus = Start-IcingaProcess -Executable 'sc.exe' -Arguments 'failure icinga2 reset=0 actions=none/0/none/0/none/0';
+
+        if ($ServiceStatus.ExitCode -ne 0) {
+            Write-IcingaConsoleError -Message 'Failed to disable recover settings for service "icinga2": {0} {1}' -Objects $ServiceStatus.Message, $ServiceStatus.Error;
+        } else {
+            Write-IcingaConsoleNotice -Message 'Successfully disabled service recovery for service "icinga2"';
+        }
+    }
+
+    if ($null -ne (Get-Service 'icingapowershell')) {
+        $ServiceStatus = Start-IcingaProcess -Executable 'sc.exe' -Arguments 'failure icingapowershell reset=0 actions=none/0/none/0/none/0';
+
+        if ($ServiceStatus.ExitCode -ne 0) {
+            Write-IcingaConsoleError -Message 'Failed to disable recover settings for service "icingapowershell": {0} {1}' -Objects $ServiceStatus.Message, $ServiceStatus.Error;
+        } else {
+            Write-IcingaConsoleNotice -Message 'Successfully disabled service recovery for service "icingapowershell"';
+        }
+    }
+}

lib/core/windows/Enable-IcingaServiceRecovery.psm1

@@ -0,0 +1,22 @@
+function Enable-IcingaServiceRecovery()
+{
+    if ($null -ne (Get-Service 'icinga2')) {
+        $ServiceStatus = Start-IcingaProcess -Executable 'sc.exe' -Arguments 'failure icinga2 reset=0 actions=restart/0/restart/0/restart/0';
+
+        if ($ServiceStatus.ExitCode -ne 0) {
+            Write-IcingaConsoleError -Message 'Failed to enable recover settings for service "icinga2": {0} {1}' -Objects $ServiceStatus.Message, $ServiceStatus.Error;
+        } else {
+            Write-IcingaConsoleNotice -Message 'Successfully enabled service recovery for service "icinga2"';
+        }
+    }
+
+    if ($null -ne (Get-Service 'icingapowershell')) {
+        $ServiceStatus = Start-IcingaProcess -Executable 'sc.exe' -Arguments 'failure icingapowershell reset=0 actions=restart/0/restart/0/restart/0';
+
+        if ($ServiceStatus.ExitCode -ne 0) {
+            Write-IcingaConsoleError -Message 'Failed to enable recover settings for service "icingapowershell": {0} {1}' -Objects $ServiceStatus.Message, $ServiceStatus.Error;
+        } else {
+            Write-IcingaConsoleNotice -Message 'Successfully enabled service recovery for service "icingapowershell"';
+        }
+    }
+}