PSGraylog/Functions/Public/Initialize-GraylogServiceVault.ps1

function Initialize-GraylogServiceVault {
	try {
		$null = Get-SecretVault Graylog -ErrorAction Stop
	} catch {
		try {
			$null = Register-SecretVault "Graylog" -ModuleName "Microsoft.PowerShell.SecretStore" -ErrorAction Stop
		} catch {
			throw "Failed to create the Graylog secret vault: $_"
		}
	}

	try {
		$null = Get-Secret Graylog_BaseURI -Vault Graylog -ErrorAction Stop
	} catch {
		try {
			do {
				Write-Host "The Graylog Base URI secret is missing, prompting for input..."
				$local:Graylog_Host = [string](Read-Host -Prompt "Enter Graylog Host (e.g. graylog.example.com)")
				$local:Graylog_Port = [int](Read-Host -Prompt "Enter Graylog Port (e.g. 80, 443, 9000, etc)")
				$local:Graylog_IsHTTPS = [bool]$Host.UI.PromptForChoice("Graylog Base URI - Is the application served over HTTPS?", "(Is there a lock symbol when you visit the app?)", @("&No", "&Yes"), 0)
				$local:Graylog_Protocol = if ($local:Graylog_IsHTTPS) { "https" } else { "http" }
				$local:Graylog_BaseURI = "${local:Graylog_Protocol}://${local:Graylog_Host}:${local:Graylog_Port}"
				$local:Graylog_IsBaseURICorrect = [bool]$Host.UI.PromptForChoice("Graylog Base URI - Is the following URI correct?", $local:Graylog_BaseURI, @("&No", "&Yes"), 0)
			} while (-NOT $local:Graylog_IsBaseURICorrect)
			$null = $local:Graylog_BaseURI | Set-Secret Graylog_BaseURI -ErrorAction Stop
		} catch {
			throw "Failed to set the Graylog Base URI secret: $_"
		}
	}

	try {
		$null = Get-Secret Graylog_Credential -Vault Graylog -ErrorAction Stop
	} catch {
		try {
			Write-Host "The Graylog Credential secret is missing, prompting for input..."
			Get-Credential -Message "Enter your Graylog credentials (the same way as you would via the web service)" | Set-Secret Graylog_Credential -ErrorAction Stop
		} catch {
			throw "Failed to set the Graylog Credential secret: $_"
		}
	}
}