This will give Application Load Balancer details, list all Target Groups and Instances associated to them. #Utility #AWS #Inventory #AWS_ELB #AWS_ALB

ALB-Detail.ps1

#ALB-Detail.ps1
#This will give Application Load Balancer details, list all Target Groups and Instances associated to them.
#It works, but I am adding some new features, like cross-region scanning, so consider this a work in progress for now.
#Created Dtae; 6/25/2021
#Modified Date: 6/25/2021
#Created by: Ed Walsh

$out = @()
$o = ""

$elb2s = Get-ELB2LoadBalancer | where Type -eq "application"

foreach ($elb2 in $elb2s) {

$elb2tgs = Get-ELB2TargetGroup -LoadBalancerArn $elb2.LoadBalancerArn
$tg_count = ($elb2tgs | Measure-object).count

foreach ($elb2tg in $elb2tgs) {

$tg_ec2ids = (Get-ELB2TargetHealth -TargetGroupArn $elb2tg.TargetGroupArn).Target.ID

If ( ($tg_ec2ids | Measure-Object).count -lt 1) {
$o = New-Object -TypeName System.Management.Automation.PSObject -Property ([ordered]@{
            'VPC-ID' =  $elb2tg.vpcid;
            'ALB-Create-Time' = $elb2.createdtime ; 
            'ALB-Name' = $elb2.loadbalancername ;
            'ALB-Scheme' = $elb2.Scheme ;
            'ALB-Type' = $elb2.Type ;
            'ALB-Security-Groups' = $elb2.SecurityGroups ; 
            'Target-Group-count' = $tg_count ;
            'Target-Group-Name' = $elb2tg.TargetGroupName ;
            'Target-Count' = ($tg_ec2ids | Measure-Object).count;
            'EC2-ID' = "";
            'EC2-Name' = "";

            })
    $out += $o}

    Else {


foreach ($tg_ec2id in $tg_ec2ids) {

$ec2name = (Get-EC2Tag <# -Region $region #> -Filter @{Name="resource-type";Value="instance"},@{Name="resource-id";Value=$tg_ec2id},@{Name="key";Value="Name"} | Select-Object @{Name="Name";Expression={$PSItem.Value}} ).name





$o = New-Object -TypeName System.Management.Automation.PSObject -Property ([ordered]@{
            'VPC-ID' =  $elb2tg.vpcid;
            'ALB-Create-Time' = $elb2.createdtime ; 
            'ALB-Name' = $elb2.loadbalancername ;
            'ALB-Scheme' = $elb2.Scheme ;
            'ALB-Type' = $elb2.Type ;
            'ALB-Security-Groups' = $elb2.SecurityGroups ; 
            'Target-Group-count' = $tg_count ;
            'Target-Group-Name' = $elb2tg.TargetGroupName ;
            'Target-Count' = ($tg_ec2ids | Measure-Object).count;
            'EC2-ID' = $tg_ec2id;
            'EC2-Name' = $ec2name;

            })
    $out += $o
}
    }
    }
    }
  $out | Out-Gridview