Set-AWSCredentialと同時にプロファイルに設定されているリージョンをデフォルト設定する関数

Set-AWSCredentialWithRegion.ps1

function Set-AWSCredentialWithRegion {
    [CmdletBinding()]
    param (
        [string]$ProfileName
    )
    
    # Invoke Set-AWSCredential first
    Write-Verbose "Invoke Set-AWSCredential -ProfileName $ProfileName "
    Set-AWSCredential -ProfileName $ProfileName -Scope Global
    if (-not $StoredAWSCredentials) {
        return 
    }
    # (just in case) check if the credential source is profile
    $typeCredential = $StoredAWSCredentials.GetType()
    $propSource = $typeCredential.GetProperty("Source", [System.Reflection.BindingFlags]::NonPublic -bor [System.Reflection.BindingFlags]::Instance)
    $propSourceValue = $propSource.GetValue($StoredAWSCredentials)
    if ($propSourceValue -ne "Profile") {
        Write-Verbose "Current credential source is not the 'Profile'... ($propSourceValue)"
        return 
    }

    # find region name from shared credential file, and set the default region.
    $profileObject = $null
    if (-not [Amazon.PowerShell.Common.SettingsStore]::TryGetProfile($StoredAWSCredentials.ToString(), "$HOME/.aws/credentials", [ref]$profileObject)) {
        return
    }
    $autoRegistRegionName = $profileObject.Region.SystemName
    if ($autoRegistRegionName) {
        Write-Verbose "Success! Set default region to $autoRegistRegionName..."
        Write-Verbose "Invoke Set-DefaultAWSRegion -Region $autoRegistRegionName "
        Set-DefaultAWSRegion -Region $autoRegistRegionName -Scope Global
    }
}