public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequest req,
ILogger log)
{
log.LogInformation("Up and Running!");
ParameterChecker parameterChecker = new ParameterChecker(req.Query);
if (!parameterChecker.IsValidConfig)
{
return(new BadRequestResult());
}
ModeHelper modeHelper = new ModeHelper(req.Query, req.Headers);
IMode mode = modeHelper.Mode;
log.LogInformation("Initialize Credential Helper");
CredentialHelper credentialHelper = new CredentialHelper();
var serviceClientCredentials = await credentialHelper.GetAzureCredentials();
string SubscriptionID = Environment.GetEnvironmentVariable("SubscriptionID", EnvironmentVariableTarget.Process);
string resourceGroupName = req.Query["ResourceGroupName"];
DnsHelper dnsHelper = null;
try
{
dnsHelper = new DnsHelper(serviceClientCredentials, SubscriptionID, resourceGroupName, mode.Zone);
}
catch (Exception e)
{
log.LogError(e.Message, e.StackTrace);
}
bool recordExists = await dnsHelper.RecordExists(mode);
RecordSet newRecordSet = null;
if ((!recordExists) && mode.AutoCreateZone)
{
try
{
newRecordSet = await dnsHelper.CreateZone(mode);
}
catch (Exception e)
{
return((ActionResult) new BadRequestObjectResult(e.Message));
}
}
string answer = string.Empty;
bool zoneIsUpToDate = await dnsHelper.ZoneIsUpToDate(mode.Hostname, mode.Type, mode.Address);
if (!zoneIsUpToDate)
{
try
{
newRecordSet = await dnsHelper.UpdateZone(mode);
}
catch (Exception e)
{
return((ActionResult) new BadRequestObjectResult(e.Message));
}
}
if (newRecordSet != null)
{
answer = JsonConvert.SerializeObject(newRecordSet);
return((ActionResult) new OkObjectResult($"{answer}"));
}
else
{
return((ActionResult) new OkResult());
}
}