42 lines
1.5 KiB
PowerShell
42 lines
1.5 KiB
PowerShell
|
function Get-AlkamiInstallationDrive {
|
||
|
|
<#
|
||
|
|
.SYNOPSIS
|
||
|
|
Get the drive letter (and colon) that describes where Alkami Platform software is installed
|
||
|
|
|
||
|
|
.DESCRIPTION
|
||
|
|
Using Environment Variables, determine where the Alkami Platform software is installed.
|
||
|
|
If present and in the correct format, ENV:ALKAMI_INSTALLATION_DRIVE is used. Otherwise,
|
||
|
|
ENV:SystemDrive is used.
|
||
|
|
#>
|
||
|
|
[CmdletBinding()]
|
||
|
|
[OutputType([string])]
|
||
|
|
param (
|
||
|
|
)
|
||
|
|
|
||
|
|
$logLead = Get-LogLeadName
|
||
|
|
|
||
|
|
# PATTERN EXPLAINER
|
||
|
|
# ^ - beginning of string
|
||
|
|
# [A-Za-z]
|
||
|
|
# [] - a list or set of characters
|
||
|
|
# A-Za-z - all letters from A to Z and a to z
|
||
|
|
# :? - a colon, maybe
|
||
|
|
# $ - end of string
|
||
|
|
#
|
||
|
|
# ^[A-Za-z]:$ - one alphabetical letter, one colon, nothing before, nothing after
|
||
|
|
#
|
||
|
|
$driveLetterPattern = "^[A-Za-z]:?$"
|
||
|
|
$keyName = 'ALKAMI_INSTALLATION_DRIVE'
|
||
|
|
|
||
|
|
$alkamiInstallationDrive = Get-EnvironmentVariable -Name $keyName
|
||
|
|
|
||
|
|
if ($alkamiInstallationDrive -cnotmatch $driveLetterPattern) {
|
||
|
|
if (-NOT (Test-StringIsNullOrWhitespace -Value $alkamiInstallationDrive)) {
|
||
|
|
# Use of this will almost surely include `Join-Path` - which deals with having or not having a colon
|
||
|
|
Write-Warning "$logLead : NON-NULL Value for '$keyName' is not a drive letter with or without a colon. Value is [$alkamiInstallationDrive]"
|
||
|
|
}
|
||
|
|
$alkamiInstallationDrive = Get-EnvironmentVariable -Name "SystemDrive"
|
||
|
|
}
|
||
|
|
|
||
|
|
return $alkamiInstallationDrive
|
||
|
|
}
|