UcmPSTools

0.1.2-alpha

public/Test-UcmMSOLConnection.ps1

                                #PerformScriptSigning

Function Test-UcmMSOLConnection

{

    <#

            .SYNOPSIS

            Checks to see if we have a connection to Office365

            .DESCRIPTION

            Tries to pull tenant info and will attempt to reconnect or return an error depending if the -Reconnect flag is true or not.

            Handy for any script functions that need to perform something on MSOL, call this first with -reconnect set and if there is no connection New-UcmMSOLConnection will be called to connect with stored credentials.

            .EXAMPLE

            Test-UcmMSOLConnection

            Checks to see if we are connected to Office365, will return $Return.Status of 'OK' if true.

            Test-UcmMSOLConnection -Reconnect

            Checks to see if we are connected to Office365, if not connected will invoke New-UcmMSOLConnection and return a warning on sucsess.

            .INPUTS

            This function does not accept any input

            .OUTPUT

            This Cmdet returns a PSCustomObject with multiple Keys to indicate status

            $Return.Status

            $Return.Message

            Return.Status can return one of three values

            "OK"      : Connected to Office365

            "Warn"    : Reconnected to Office365

            "Error"   : Not connected to Office365 and didnt reconnect.

            "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 showing the connected tenant, mainly for logging or reporting

            .NOTES

            Version:        1.2

            Date:            20/06/2022

            .VERSION HISTORY

            1.2: Fixed bug with Reconnect switch being mandatory.

      1.1: Updated to "Ucm" naming convention

            Better inline documentation

            Reconnect function

            1.0: Initial Public Release

            .REQUIRED FUNCTIONS/MODULES

            Write-UcmLog:                         https://github.com/Atreidae/UcmPsTools/blob/main/public/Write-UcmLog.ps1

            Write-HTMLReport:                     https://github.com/Atreidae/UcmPsTools/blob/main/public/Write-HTMLReport.ps1 (optional)

            AzureAD                                        (Install-Module AzureAD)

            MSOnline                                     (Install-Module MSOnline)

            .REQUIRED PERMISSIONS

            Any privledge level that can run 'Get-MsolCompanyInformation'

            .LINK

            http://www.UcMadScientist.com

            https://github.com/Atreidae/UcmPsTools

            .ACKNOWLEDGEMENTS

    #>

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

    Param

    (

        [Parameter(ValueFromPipelineByPropertyName=$true, Position=1)] [switch]$Reconnect #Todo Should this even be allowed from Pipeline?

    )

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

    $function = 'Test-UcmMSOLConnection'

    [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

    Write-UcmLog -Message "Checking for Existing O365 Connection" -Severity 1 -Component $function

    Try #Check if we can pull company info

    {

        $Companyinfo = (Get-MsolCompanyInformation -ErrorAction Stop) #this will throw an error if we arent connected

        Write-UcmLog -Message "Connected to Tenant $($CompanyInfo.DisplayName)" -Severity 1 -Component $function

        $Return.Status = "OK"

        $Return.Message  = "Tenant: $($CompanyInfo.DisplayName)"

        Return $Return

    }

    Catch

    {

        #Not connected, check if we are reconnecting

        If ($Reconnect)

        {

            #We are reconnecting, call New-UcmMSOLConnection

            $result = (New-UcmMSOLConnection)

            #check to see if the reconnection was sucsessful

            If ($result.Status -ne "OK")

            {

                #Something went wrong, throw an error

                Write-UcmLog -Message "Could not auto reconnect to Office365" -Severity 3 -Component $function

                Write-UcmLog -Message "Error running New-UcmMsolConnection" -Severity 2 -Component $function

                Write-UcmLog -Message $error[0] -Severity 2 -Component $function

                $Return.Status = "Error"

                $Return.Message  = "No Office365 Connection"

                Return $Return

            }

            Else

            {

                #We did reconnect, return a warning.

                Write-UcmLog -Message "Reconnected to Office365" -Severity 3 -Component $function

                $Return.Status = "Warning"

                $Return.Message  = "Reconnectd to Office365"

                Return $Return

            }

        }

        Else

        {

            #We arent connected and the reconnect flag is not set, return an error.

            Write-UcmLog -Message "We dont appear to be connected to Office365! Connect to O365 and try again" -Severity 3 -Component $function

            Write-UcmLog -Message "Error running Get-MsolCompanyInformation" -Severity 2 -Component $function

            Write-UcmLog -Message $error[0] -Severity 2 -Component $function

            $Return.Status = "Error"

            $Return.Message  = "No Office365 Connection"

            Return $Return

        }

    }

    #endregion FunctionWork

    #region FunctionReturn

    #Default Return Variable for my HTML Reporting Fucntion

    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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