UcmPSTools

0.1.2-alpha

public/Import-UcmCsOnPremTools.ps1

                                #PerformScriptSigning

Function Import-UcmCsOnPremTools {

    <#

        .SYNOPSIS

        Function to check for and import both Skype4B and AD Management tools

        .DESCRIPTION

        Checks for and loads the approprate modules for Skype4B and Active Directory

        Will throw an error and abort script if they arent found

        .INPUTS

        This function does not accept pipelined input

        .OUTPUTS

        This function does not create pipelined output

        This Cmdet returns a PSCustomObject with multiple keys to indicate status

        $Return.Status

        $Return.Message

        Return.Status can return one of four values

        "OK"      : Imported All Modules successfully

        "Warning" : Modules are already loaded

        "Error"   : Something happend when attempting to import the modules, check $return.message for more information

        "Unknown" : Cmdlet reached the end of the function without returning anything, this shouldnt happen, if it does please log an issue on Github

        Return.Message returns descriptive text for error messages.

        .LINK

        https://www.UcMadScientist.com

        https://github.com/Atreidae/UcmPSTools

        .NOTES

        Version:        1.0

        Date:            18/11/2021

        .VERSION HISTORY

        1.0: Initial Public Release

        .ACKNOWLEDGEMENTS

    #>

    [CmdletBinding()]

    [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSUseSingularNouns', '', Scope='Function')] #stop PSScriptAnalyzer complaining that we refer to the onpremtools as tools instead of a tool

    [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSUseProcessBlockForPipelineCommand', '', Scope='Function')] #todo, https://github.com/Atreidae/UcmPSTools/issues/23

    PARAM

    (

        #No Parameters

    )

    #region FunctionSetup, Set Default Variables for HTML Reporting and Write Log

    $function = 'Import-CsOnPremTools'

    [hashtable]$Return = @{}

    $return.Function = $function

    $return.Status = "Unknown"

    $return.Message = "Function did not return a status message"

    # Log why we were called

    Write-UcmLog -Message "$($MyInvocation.InvocationName) called with $($MyInvocation.Line)" -Severity 1 -Component $function

    Write-UcmLog -Message "Parameters" -Severity 1 -Component $function -LogOnly

    Write-UcmLog -Message "$($PsBoundParameters.Keys)" -Severity 1 -Component $function -LogOnly

    Write-UcmLog -Message "Parameters Values" -Severity 1 -Component $function -LogOnly

    Write-UcmLog -Message "$($PsBoundParameters.Values)" -Severity 1 -Component $function -LogOnly

    Write-UcmLog -Message "Optional Arguments" -Severity 1 -Component $function -LogOnly

    Write-UcmLog -Message "$Args" -Severity 1 -Component $function -LogOnly

    #endregion FunctionSetup

    #region FunctionWork

    #Check to see if the modules are already loaded

    Write-UcmLog -Message 'Checking for Lync/Skype management tools' -Severity 1 -Component $function

    $CsManagementTools = $false

    $ADManagementTools = $false

    if(Get-Module -Name 'SkypeForBusiness') {$CSManagementTools = $true}

    if(Get-Module -Name 'Lync') {$CSManagementTools = $true}

    if(Get-Module -Name 'ActiveDirectory') {$ADManagementTools = $true}

    #If both modules are loaded, return a warning and exit

    If (($CSManagementTools -eq $true) -and ($ADManagementTools -eq $true))

    {

        Write-UcmLog -Message "Management moduled already loaded" -Severity 1 -Component $function

        $Return.Status = "Warning"

        $Return.Message = "Management moduled already loaded"

        Return $Return

    }

    #Now, check the modules are installed.

    $CsManagementTools = $false

    $ADManagementTools = $false

    if(Get-Module -Name 'SkypeForBusiness' -ListAvailable) {$CSManagementTools = $true}

    if(Get-Module -Name 'Lync'-ListAvailable) {$CSManagementTools = $true}

    if(Get-Module -Name 'ActiveDirectory' -ListAvailable) {$ADManagementTools = $true}

    #Return an error if we cant find Lync/Skype

    If ($CSManagementTools -ne $true)

    {

        Write-UcmLog -Message "Unable to locate Lync or Skype PowerShell modules" -Severity 3 -Component $function

        Write-UcmLog -Message "Have you installed the Management tools on this host?" -Severity 3 -Component $function

        $Return.Status = "Error"

        $Return.Message = "Lync/Skype PS Module Missing"

        Return $Return

    }

    #Return an error if we cant find Active Directory

    If ($ADManagementTools -ne $true)

    {

        Write-UcmLog -Message "Unable to locate Active Directory PowerShell modules" -Severity 3 -Component $function

        Write-UcmLog -Message "Have you installed the AD RSAT Management tools on this host?" -Severity 3 -Component $function

        $Return.Status = "Error"

        $Return.Message = "ActiveDirectory PS Module Missing"

        Return $Return

    }

    #Okay, we got this far, import everything

    Try

    {

        if(!(Get-Module -Name 'SkypeForBusiness')) {Import-Module -Name SkypeForBusiness -Verbose:$false}

        if(!(Get-Module -Name 'Lync')) {Import-Module -Name Lync -Verbose:$false}

        if(!(Get-Module -Name 'ActiveDirectory')) {Import-Module -Name Lync -Verbose:$false}

        if(Get-Module -Name 'SkypeForBusiness') {$CsManagementTools = $true}

        if(Get-Module -Name 'Lync') {$CsManagementTools = $true}

        if(Get-Module -Name 'ActiveDirectory') {$AdManagementTools = $true}

    }

    Catch

    {

        Write-UcmLog -Message "Something went wrong attempting to import modules" -Severity 3 -Component $function

        Write-UcmLog -Message "$Error[0]" -Severity 3 -Component $function

        $Return.Status = "Error"

        $Return.Message = "Import Failure, Try/Catch block : $error[0]"

        Return $Return

    }

    #Cmdlets ran, but did the modules import?

    If (($CSManagementTools -eq $true) -and ($ADManagementTools -eq $true))

    {

      Write-UcmLog -Message 'Import-Module sucseeded' -Severity 1 -Component $Function

      $Return.Status = "OK"

      $Return.Message = "Modules Loaded"

      Return $Return

    }

    Else

    {

      Write-UcmLog -Message 'Import-Module sucseeded, but modules not resident' -Severity 5 -Component $Function

      Write-UcmLog -Message "$Error[0]" -Severity 3 -Component $function

      $Return.Status = "Error"

      $Return.Message = "Import Failure, Checking Import : $error[0]"

      Return $Return

    }

    #Default Return Variable for UcmPsTools HTML Reporting Fucntion, this should never run!

    Write-UcmLog -Message "Reached end of $function without a Return Statement" -Severity 3 -Component $function

    $return.Status = "Unknown"

    $return.Message = "Function did not encounter return statement"

    Return $Return

    #endregion FunctionReturn

  }

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# SIG # End signature block