Public/Get-LMAccessGroup.ps1

<#
.SYNOPSIS
Retrieves LogicMonitor access groups based on specified parameters.

.DESCRIPTION
The Get-LMAccessGroup function retrieves LogicMonitor access groups based on the specified parameters. It supports retrieving access groups by ID, name, or using a filter. The function uses the LogicMonitor REST API to make the requests.

.PARAMETER Id
Specifies the ID of the access group to retrieve. This parameter is mutually exclusive with the Name and Filter parameters.

.PARAMETER Name
Specifies the name of the access group to retrieve. This parameter is mutually exclusive with the Id and Filter parameters.

.PARAMETER Filter
Specifies a filter object to retrieve access groups based on custom filter criteria. This parameter is mutually exclusive with the Id and Name parameters.

.PARAMETER BatchSize
Specifies the number of access groups to retrieve per request. The default value is 1000.

.EXAMPLE
Get-LMAccessGroup -Id 123
Retrieves the access group with the specified ID.

.EXAMPLE
Get-LMAccessGroup -Name "MyAccessGroup"
Retrieves the access group with the specified name.

.EXAMPLE
Get-LMAccessGroup -Filter "tenantId -eq 'Value'"
Retrieves access groups based on the specified filter criteria.

.NOTES
This function requires a valid LogicMonitor API authentication. Use Connect-LMAccount to authenticate before running this function.
#>

Function Get-LMAccessGroup {

    [CmdletBinding(DefaultParameterSetName = 'All')]
    Param (
        [Parameter(ParameterSetName = 'Id')]
        [Int]$Id,

        [Parameter(ParameterSetName = 'Name')]
        [String]$Name,

        [Parameter(ParameterSetName = 'Filter')]
        [Object]$Filter,

        [ValidateRange(1, 1000)]
        [Int]$BatchSize = 1000
    )
    #Check if we are logged in and have valid api creds
    If ($Script:LMAuth.Valid) {
        
        #Build header and uri
        $ResourcePath = "/setting/accessgroup"

        #Initalize vars
        $QueryParams = ""
        $Count = 0
        $Done = $false
        $Results = @()

        #Loop through requests
        While (!$Done) {
            #Build query params
            Switch ($PSCmdlet.ParameterSetName) {
                "All" { $QueryParams = "?size=$BatchSize&offset=$Count&sort=+id" }
                "Id" { $resourcePath += "/$Id" }
                "Name" { $QueryParams = "?filter=name:`"$Name`"&size=$BatchSize&offset=$Count&sort=+id" }
                "Filter" {
                    #List of allowed filter props
                    $PropList = @()
                    $ValidFilter = Format-LMFilter -Filter $Filter -PropList $PropList
                    $QueryParams = "?filter=$ValidFilter&size=$BatchSize&offset=$Count&sort=+id"
                }
            }
            Try {
                $Headers = New-LMHeader -Auth $Script:LMAuth -Method "GET" -ResourcePath $ResourcePath
                $Uri = "https://$($Script:LMAuth.Portal).logicmonitor.com/santaba/rest" + $ResourcePath + $QueryParams
                    
                
                
                Resolve-LMDebugInfo -Url $Uri -Headers $Headers[0] -Command $MyInvocation

                #Issue request
                $Response = Invoke-RestMethod -Uri $Uri -Method "GET" -Headers $Headers[0] -WebSession $Headers[1]

                #Stop looping if single device, no need to continue
                If ($PSCmdlet.ParameterSetName -eq "Id") {
                    $Done = $true
                    Return (Add-ObjectTypeInfo -InputObject $Response -TypeName "LogicMonitor.AccessGroup" )
                }
                #Check result size and if needed loop again
                Else {
                    [Int]$Total = $Response.Total
                    [Int]$Count += ($Response.Items | Measure-Object).Count
                    $Results += $Response.Items
                    If ($Count -ge $Total) {
                        $Done = $true
                    }
                }
            }
            Catch [Exception] {
                $Proceed = Resolve-LMException -LMException $PSItem
                If (!$Proceed) {
                    Return
                }
            }
        }
        Return (Add-ObjectTypeInfo -InputObject $Results -TypeName "LogicMonitor.AccessGroup" )
    }
    Else {
        Write-Error "Please ensure you are logged in before running any commands, use Connect-LMAccount to login and try again."
    }
}