AzureAuth2.ps1

[System.Diagnostics.CodeAnalysis.SuppressMessage('AvoidUsingPlainTextForPassword', '', Target='ProcessParameter')]
[CmdletBinding()]
param (
    [Parameter()]
    [Alias('SPName','Username','un')]
    [string] $ServicePrincipalName,

    [Parameter()]
    [Alias('SPPassword','Password','pw')]
    [string] $ServicePrincipalPassword,

    [Parameter()]
    [Alias('id')]
    [string] $TenantId
)

try {
#region Azure Authentication
    if ((-not $ServicePrincipalName) -or (-not $ServicePrincipalPassword) -or (-not $TenantId)) {
        Write-Verbose 'Authenticating using interactive login'
        $loginResult = az login
    }
    else {
        Write-Verbose 'Authenticating with Username and Password'
        $loginResult = az login --username $ServicePrincipalName --password $ServicePrincipalPassword --tenant $TenantId --service-principal
    }

    if ($loginResult) {
        Write-Output $loginResult | ConvertFrom-Json
    }
#endregion

    # YOUR CODE GOES HERE

}
catch {
    Write-Warning $_.Exception.Message
}