Simple Powershell script for switching a named profile into the default profile

aws-profile-switch.ps1

Param(
    [Parameter(Mandatory = $false)][string]$profile = ""
)

if ($profile -eq "")
{
    $profile = Read-Host -Prompt "What profile should we switch to?"
}

Write-Host "Using profile $profile" -ForegroundColor Green

$keys = @(
'output'
'region'
'aws_access_key_id'
'aws_secret_access_key'
)


foreach ($key in $keys)
{
    $getCmd = "aws configure get $profile.$key"
    try
    {
        $value = Invoke-Expression $getCmd
        if (($lastexitcode) -and ($key -ne 'output') -and ($key -ne 'region'))
        {
            throw $er
        }
    }
    catch
    {
        Write-Host "Value doesn't exist for $profile.$key, exiting..." -ForegroundColor Red
        break
    }

    if ($value)
    {
        $setCmd = "aws configure set default.$key $value"
        Invoke-Expression $setCmd
    }
}