modules/Libraries/Get-AzDoVariableGroupResourceAssignments.psm1

<#
 
.SYNOPSIS
Get permissions for a specific Azure DevOps libary
 
.DESCRIPTION
The command will retreive the permissions for the specificed variable group
 
.PARAMETER VariableGroupName
The name of the variable group to retrieve
 
.PARAMETER ApiVersion
Allows for specifying a specific version of the api to use (default is 5.0)
 
.EXAMPLE
Get-AzDoVariableGroupResourceAssignments -VariableGroupName <variable group name>
 
.NOTES
 
.LINK
https://github.com/ravensorb/Posh-AzureDevOps
 
#>

function Get-AzDoVariableGroupResourceAssignments()
{
    [CmdletBinding(
        DefaultParameterSetName="Name"
    )]
    param
    (
        # Common Parameters
        [PoshAzDo.AzDoConnectObject][parameter(ValueFromPipelinebyPropertyName = $true, ValueFromPipeline = $true)]$AzDoConnection,
        [string]$ApiVersion = $global:AzDoApiVersion,

        # Module Parameters
        [string][parameter(ValueFromPipelinebyPropertyName = $true, ParameterSetName="Name")][Alias("name")]$VariableGroupName,
        [int][parameter(ValueFromPipelinebyPropertyName = $true, ParameterSetName="ID")][Alias("id")]$VariableGroupId
    )
    BEGIN
    {
        if (-not $PSBoundParameters.ContainsKey('Verbose'))
        {
            $VerbosePreference = $PSCmdlet.GetVariableValue('VerbosePreference')
        }  

        $errorPreference = 'Stop'
        if ( $PSBoundParameters.ContainsKey('ErrorAction')) {
            $errorPreference = $PSBoundParameters['ErrorAction']
        }
    
        if (-Not (Test-Path variable:ApiVersion)) { $ApiVersion = "5.1-preview" }
        if (-Not $ApiVersion.Contains("preview")) { $ApiVersion = "5.1-preview" }

        if (-Not (Test-Path varaible:$AzDoConnection) -and $AzDoConnection -eq $null)
        {
            $AzDoConnection = Get-AzDoActiveConnection

            if ($AzDoConnection -eq $null) { Write-Error -ErrorAction $errorPreference -Message "AzDoConnection or ProjectUrl must be valid" }
        }

        Write-Verbose "Entering script $($MyInvocation.MyCommand.Name)"
        Write-Verbose "Parameter Values"
        $PSBoundParameters.Keys | ForEach-Object { Write-Verbose "$_ = '$($PSBoundParameters[$_])'" }      
    }
    PROCESS
    {
        if ([string]::IsNullOrEmpty($VariableGroupName) -and [string]::IsNullOrEmpty($VariableGroupId))
        {
            Write-Error -ErrorAction $errorPreference -Message "Specify either Variable Group Name or Variable Group Id"
        }

        $variableGroup = Get-AzDoVariableGroups -AzDoConnection $AzDoConnection | ? { $_.name -eq $VariableGroupName -or $_.id -eq $VariableGroupId }

        if ($null -eq $variableGroup)
        {
            Write-Error -ErrorAction $errorPreference -Message "Variable Group not found"
        }

        #$variableGroupRoleDefinitions = Get-AzDoVariableGroupRoleDefinitions -AzDoConnection $AzDoConnection

        # https://dev.azure.com/3pager/_apis/securityroles/scopes/distributedtask.variablegroup/roleassignments/resources/5d4ef62e-538a-42e9-a02e-e25bce16abee%245
        $apiUrl = Get-AzDoApiUrl -RootPath $($AzDoConnection.OrganizationUrl) -ApiVersion $ApiVersion -BaseApiPath "/_apis/securityroles/scopes/distributedtask.variablegroup/roleassignments/resources/$($AzDoConnection.ProjectId)`$$($variableGroup.Id)"

        $variableGroupResourceAssignments = Invoke-RestMethod $apiUrl -Headers $AzDoConnection.HttpHeaders 

        if ($null -ne $variableGroupResourceAssignments)
        {
            Write-Verbose "---------Resource Assignments---------"
            Write-Verbose $variableGroupResourceAssignments.value
            Write-Verbose "---------Resource Assignments---------"

            $variableGroupResourceAssignments.value
        }
    }
    END 
    { 
        Write-Verbose "Leaving script $($MyInvocation.MyCommand.Name)"
    }
}