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Script Powershell – SCOM – Création d’override de monitor pour une instance specifique de la classe cible

par | 27 Sep 2018 | , ,

Le script suivant crée un override pour un ou plusieurs monitors, en ciblant une instance de la classe cible, correspondant a un nom de machine donné en paramètre.

 

 

### CREATE OVERRIDES FOR MONITORS, FOR SPECIFIC INSTANCE OF TARGET CLASS ###

Param(
$MS
,$cred = $(Get-Credential "MyDomain\Myself")
,$targetMPName = "My App - Overrides"
,$TargetContextComputer = "MyServer.MyDomain.home"
,$targetMonitorsPatern = "Check My App*"
,$OverrideProp = "Enabled"
,$OverrideValue = "True"
,$OverrideSuffix = ".Override_$OverrideProp`_$TargetContextComputer"
)

# Import of SCOM module
try
{
Import-Module -Name OperationsManager -ErrorAction stop
}
catch
{
write-host -ForegroundColor red "Error during import of SCOM module"
}

# Connection to management server $MS
New-SCOMManagementGroupConnection -ComputerName $MS -Credential $cred


# The target MP
 $targetMP = Get-SCOMManagementPack -DisplayName $targetMPName

 # The monitors 
 $targetMonitors = Get-SCOMMonitor -DisplayName $targetMonitorsPatern


foreach ($Monitor in $targetMonitors)
{

    if( $Monitor.AlertSettings.AlertOnState -ne $null)

    {
    $Target= Get-SCOMClass -id $Monitor.Target.Id 
    $TargetContextInstance = Get-SCOMMonitoringObject -Class $Target | Where-Object {$_.'[Microsoft.Windows.Computer].PrincipalName'.value -eq $TargetContextComputer}   # Get the Monitoring Object that match the $TargetContextComputer

    # Name of the override
    $overridename=$Monitor.name+$OverrideSuffix

    # Create Override and fill its properties
    $override = New-Object Microsoft.EnterpriseManagement.Configuration.ManagementPackMonitorPropertyOverride($targetMP,$overridename)
    $override.Monitor = $Monitor
    $override.Property = $OverrideProp
    $override.Value = $OverrideValue
    $override.Context = $Target
    $override.ContextInstance = $TargetContextInstance.Id
    $override.DisplayName = $overridename
    }

}

# Verify and commit the change
$targetMP.Verify()
$targetMP.AcceptChanges()

Script Powershell – SCOM – Creation d’overrides de monitor pour une classe entiere

par | 27 Sep 2018 | , ,

Le script suivant crée un override pour un groupe de monitor en ciblant toute la classe cible du monitor.

 

### CREATE OVERRIDES FOR MONITORS, FOR ENTIRE MONITOR TARGET CLASS ###

Param(
$MS
,$cred = $(Get-Credential "MyDomain\Myself")
,$targetMPName = "My App - Overrides"
,$targetMonitorsPatern = "Check My App*"
,$OverrideProp = "GenerateAlert"
,$OverrideValue = "false"
,$OverrideSuffix = ".Override_$OverrideProp`_WholeTarget"
)

# Import of SCOM module
try
{
Import-Module -Name OperationsManager -ErrorAction stop
}
catch
{
write-host -ForegroundColor red "Error during import of SCOM module"
}

# Connection to management server $MS
New-SCOMManagementGroupConnection -ComputerName $MS -Credential $cred



# The target MP
$targetMP = Get-SCOMManagementPack -DisplayName $targetMPName

# The monitors 
$targetMonitors = Get-SCOMMonitor -DisplayName $targetMonitorsPatern


foreach ($Monitor in $targetMonitors)
{

    if($OverrideProp -eq "GenerateAlert" -AND  $OverrideValue -eq "false" -AND $Monitor.AlertSettings.AlertOnState -ne $null) # If we want to change the "GenerateAlert" Property to "false", we check also that Alert is activated

    {
    $Target= Get-SCOMClass -id $Monitor.Target.id
    $overridename=$Monitor.name+$OverrideSuffix

    $override = New-Object Microsoft.EnterpriseManagement.Configuration.ManagementPackMonitorPropertyOverride($targetMP,$overridename)
    $override.Monitor = $Monitor
    $override.Property = $OverrideProp
    $override.Value = $OverrideValue
    $override.Context = $Target
    $override.DisplayName = $overridename
    }

}
$targetMP.Verify()
$targetMP.AcceptChanges()

 

Script Powershell – Transfert Files Through SFTP

par | 27 Sep 2018 | ,

 

Dans l’exemple suivant, Le script transfert les extracts scom du précedent article (https://blog.piservices.fr/post/2018/09/27/Script-Powershell-Extract-SCOM-to-CSV) vers un partage unix en utilisant les commandes du module Posh SSH.

Pour plus d’information sur le module Posh-SSH:

https://github.com/darkoperator/Posh-SSH

https://www.it-connect.fr/posh-ssh-connexion-ssh-depuis-powershell-sous-windows/

 

### TRANSFER CSV FILES THROUGH SFTP TO UNIX SHARE ###

# Requirement: POSH SSH Powershell Module (https://github.com/darkoperator/Posh-SSH)


param(
$UnixServ = ("MyLinuxSrv1","MyLinuxSrv2"),
$FilePath="D:\*.csv",
$SftpPath = "/home/myself/scomextract",
$FileToKeepCount = 2
)

$ScriptName = "SendCSVBySftp.ps1"


$SshModuleFile = "D:\Posh-SSH-master.zip"
$PSModulePath = "$($env:WINDIR)\system32\WindowsPowerShell\v1.0\Modules"



#FUNCTIONS

#Check for the existence of an event source with script name in operation manager eventlog to log some events 
         Function NewEventSource { 
         if(!(Test-Path "HKLM:\SYSTEM\CurrentControlSet\services\eventlog\Operations Manager\$ScriptName")) 
         { 
         New-EventLog -LogName "Operations Manager" -Source $ScriptName 
         }
         } 

#END FUNCTIONS

# LOG THE EXECUTION OF SCRIPT
$Message = "Execution of $ScriptName script"
write-host $Message
NewEventSource
Write-EventLog -LogName "operations manager" -Source $ScriptName -EventId 1000 -EntryType Information -Message "$Message"



# Get the credentials from the previously secured passfile.txt
$CredPath = "D:\passfile.txt"
if (!(Test-Path $CredPath))
    {
    $message = "Credential secured file is not present - Unable to authenticate"
    Write-Host -F Red $message
    NewEventSource
    Write-EventLog -LogName "operations manager" -Source $ScriptName -EventId 1001 -EntryType Warning -Message $message
    }


# Import the credential file
$Credential = Import-Clixml -Path $CredPath



# Check that $PSModulePath path exist
if (!(Test-Path $PSModulePath))
    {
    $message = "$PSModulePath path doesn't exist"
    Write-Host -F Red $message
    NewEventSource
    Write-EventLog -LogName "operations manager" -Source $ScriptName -EventId 1002 -EntryType Warning -Message $message
    exit 1
    }


# Check if module has already been installed, and if not, install it as $PSModulePath+"\Posh-SSH"
If (!(Test-Path ($PSModulePath+"\Posh-SSH")))
            
            {


            #Unzip the SSH Powershell Module to Standard Module Path

            $shell_app=new-object -com shell.application
            $zip_file = $shell_app.namespace($SshModuleFile)
            Write-Host "Uncompressing the Zip file to $($PSModulePath)" -ForegroundColor Cyan
            $destination = $shell_app.namespace($PSModulePath)
            $destination.Copyhere($zip_file.items(), 0x10)


            # Rename the SSH Module Folder
            Write-Host "Renaming folder" -ForegroundColor Cyan
            Rename-Item -Path ($PSModulePath+"\Posh-SSH-master") -NewName "Posh-SSH" -Force

            Write-Host "Module has been installed" -ForegroundColor Green

            }


# Import of SSH Module
Write-Host -F Cyan "SSH Powershell Module already installed"
Write-Host -F Cyan "Import of SSH Powershell Module..."
Import-Module -Name posh-ssh


$UnixServ | foreach {

    # Establish the SFTP connection
    $SftpSession = New-SFTPSession -ComputerName $_ -Credential $Credential -AcceptKey



    # Check that $SftpPath exist
    if (!(Test-SFTPPath -SessionId $SftpSession.SessionId -Path "/$_$SftpPath"))
        {
        $message = "Unable to find `"/$_$SftpPath`" path"
        Write-Host -F Red $message
        NewEventSource
        Write-EventLog -LogName "operations manager" -Source $ScriptName -EventId 1003 -EntryType Warning -Message $message
        exit 1
        }


        # Upload each file to the SFTP path
        try
        {
        Get-ChildItem -Path $FilePath | foreach {Set-SFTPFile -SessionId $SftpSession.SessionId -LocalFile $_ -RemotePath $SftpPath -Overwrite}
        }
        catch
        {
        $message = "Error during Sftp transfer To `"/$_$SftpPath`" path"
        Write-Host $message
        NewEventSource
        Write-EventLog -LogName "operations manager" -Source $ScriptName -EventId 1004 -EntryType Warning -Message $message
        exit 1
        }


# Check that files are effectively present on sftp path
Get-ChildItem -Path $FilePath | foreach {

If (!(Test-SFTPPath -SessionId $SftpSession.SessionId -Path "$SftpPath/$($_.Name)"))
    {
    $message = "KO - The $($_.Name) file has not been copied on $($SftpSession.Host)$SftpPath"
    Write-Host -F Red $message
    NewEventSource
    Write-EventLog -LogName "operations manager" -Source $ScriptName -EventId 1005 -EntryType Warning -Message $message
    exit 1
    }
    Else
    {
    $message = "OK - The $($_.Name) file has well been copied on $($SftpSession.Host)$SftpPath"
    Write-Host -F Green $message
    NewEventSource
    Write-EventLog -LogName "operations manager" -Source $ScriptName -EventId 1006 -EntryType Information -Message $message
    }

}

}


#Delete older remote files
Get-SFTPSession | foreach {
$FileToDelete = Get-SFTPChildItem -SessionId ($_.SessionId) -Path $SftpPath | Where-Object {$_.fullname -like "*.csv"} | sort lastwritetime | select -First $FileToKeepCount
$FileToDelete
}




# Remove SftpSessions
Get-SFTPSession | foreach {Remove-SFTPSession -SessionId ($_.SessionId)}








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