ForestManagement

1.1.17

functions/sitelinks/Invoke-FMSiteLink.ps1

function Invoke-FMSiteLink
{
    <#
        .SYNOPSIS
            Update a forest's sitelink to conform to the defined configuration.
         
        .DESCRIPTION
            Update a forest's sitelink to conform to the defined configuration.
            Configuration is defined using Register-FMSiteLink.
         
        .PARAMETER Server
            The server / domain to work with.
         
        .PARAMETER Credential
            The credentials to use for this operation.
 
        .PARAMETER EnableException
            This parameters disables user-friendly warnings and enables the throwing of exceptions.
            This is less user friendly, but allows catching exceptions in calling scripts.
 
        .PARAMETER Confirm
            If this switch is enabled, you will be prompted for confirmation before executing any operations that change state.
         
        .PARAMETER WhatIf
            If this switch is enabled, no actions are performed but informational messages will be displayed that explain what would happen if the command were to run.
 
        .EXAMPLE
            PS C:\> Invoke-FMSiteLink
 
            Updates the current forest's sitelinks to conform to the defined configuration.
    #>
    [CmdletBinding(SupportsShouldProcess = $true, ConfirmImpact = 'Low')]
    Param (
        [PSFComputer]
        $Server,

        [PSCredential]
        $Credential,

        [switch]
        $EnableException
    )
    
    begin
    {
        $parameters = $PSBoundParameters | ConvertTo-PSFHashtable -Include Server, Credential
        Assert-ADConnection @parameters -Cmdlet $PSCmdlet
        $testResult = Test-FMSiteLink @parameters
        Invoke-Callback @parameters -Cmdlet $PSCmdlet
        Assert-Configuration -Type SiteLinks -Cmdlet $PSCmdlet
    }
    process
    {
        foreach ($testItem in $testResult) {
            switch ($testItem.Type) {
                #region Delete undesired Sitelink
                'ForestOnly' {
                    Invoke-PSFProtectedCommand -ActionString 'Invoke-FMSiteLink.Removing.SiteLink' -Target $testItem.Name -ScriptBlock {
                        Remove-ADReplicationSiteLink @parameters -Identity $testItem.Name -ErrorAction Stop -Confirm:$false
                    } -EnableException $EnableException.ToBool() -PSCmdlet $PSCmdlet
                }
                #endregion Delete undesired Sitelink

                #region Create new Sitelink
                'ConfigurationOnly' {
                    Invoke-PSFProtectedCommand -ActionString 'Invoke-FMSiteLink.Creating.SiteLink' -Target $testItem.Name -ScriptBlock {
                        $parametersCreate = $parameters.Clone()
                        $parametersCreate += @{
                            ErrorAction = 'Stop'
                            Name = $testItem.Name
                            Description = $testItem.Description
                            Cost = $testItem.Cost
                            ReplicationFrequencyInMinutes = $testItem.ReplicationInterval
                            SitesIncluded = $testItem.Site1, $testItem.Site2
                        }
                        if ($testItem.Options) { $parametersCreate['OtherAttributes'] = @{ Options = $testItem.Options } }
                        New-ADReplicationSiteLink @parametersCreate
                    } -EnableException $EnableException.ToBool() -PSCmdlet $PSCmdlet
                }
                #endregion Create new Sitelink

                #region Update existing Sitelink
                'InEqual' {
                    if ($testItem.ADObject.Name -ne $testItem.IdealName) {
                        Invoke-PSFProtectedCommand -ActionString 'Invoke-FMSiteLink.Renaming.SiteLink' -ActionStringValues $testItem.IdealName -Target $testItem.Name -ScriptBlock {
                            Rename-ADObject @parameters -Identity $testItem.ADObject.DistinguishedName -NewName $testItem.IdealName -ErrorAction Stop
                        } -EnableException $EnableException.ToBool() -PSCmdlet $PSCmdlet
                    }

                    $parametersUpdate = $parameters.Clone()
                    $parametersUpdate += @{
                        ErrorAction = 'Stop'
                        Identity = $testItem.ADObject.ObjectGUID
                    }
                    if ($testItem.Cost -ne $testItem.ADObject.Cost) { $parametersUpdate['Cost'] = $testItem.Cost }
                    if ($testItem.Description -ne ([string]($testItem.ADObject.Description))) { $parametersUpdate['Description'] = $testItem.Description }
                    if ($testItem.Options -ne ([int]($testItem.ADObject.Options))) { $parametersUpdate['Replace'] = @{ Options = $testItem.Options } }
                    if ($testItem.ReplicationInterval -ne $testItem.ADObject.replInterval) { $parametersUpdate['ReplicationFrequencyInMinutes'] = $testItem.replInterval }

                    # If the only change pending was the name, don't call a meaningles Set-ADReplicationSiteLink
                    if ($parametersUpdate.Keys.Count -le (2 + $parameters.Keys.Count)) { continue }

                    Invoke-PSFProtectedCommand -ActionString 'Invoke-FMSiteLink.Updating.SiteLink' -ActionStringValues ($testItem.Changed -join ", ") -Target $testItem.Name -ScriptBlock {
                        Set-ADReplicationSiteLink @parametersUpdate
                    } -EnableException $EnableException.ToBool() -PSCmdlet $PSCmdlet
                }
                #endregion Update existing Sitelink
            }
        }
    }
}