public bool ExecuteDnsActions(DnsActionDetail request, DnsHandlerConfig config, bool isDryRun = false)
{
if (request == null || config == null)
{
return(false);
}
string domainSuffix = GetDomainSuffix(request.Hostname);
if (string.IsNullOrWhiteSpace(domainSuffix))
{
throw new Exception($"Domain suffix {domainSuffix} is not valid.");
}
string dnsServer = GetDnsServer(config, domainSuffix);
if (string.IsNullOrWhiteSpace(dnsServer))
{
throw new Exception($"Unable to find a matching DNS server for domain suffix {domainSuffix}.");
}
bool isSuccess = false;
if (request.Action.ToLower() == "add" && request.RecordType.ToLower() == "atype")
{
OnLogMessage("Execute", "Adding type A DNS record...");
DnsServices.CreateARecord(request.Hostname, request.IpAddress, "", dnsServer, isDryRun);
OnLogMessage("Execute", "Operation is successful.");
isSuccess = true;
}
if (request.Action.ToLower() == "delete" && request.RecordType.ToLower() == "atype")
{
OnLogMessage("Execute", "Deleting type A DNS record and its associated PTR record...");
DnsServices.DeleteARecord(request.Hostname, request.IpAddress, dnsServer, isDryRun);
OnLogMessage("Execute", "Operation is successful.");
isSuccess = true;
}
if (request.Action.ToLower() == "add" && request.RecordType.ToLower() == "ptrtype")
{
OnLogMessage("Execute", "Adding type PTR DNS record...");
DnsServices.CreatePtrRecord(request.Hostname, request.IpAddress, request.DnsZone, dnsServer, isDryRun);
OnLogMessage("Execute", "Operation is successful.");
isSuccess = true;
}
if (request.Action.ToLower() == "delete" && request.RecordType.ToLower() == "ptrtype")
{
OnLogMessage("Execute", "Deleting type PTR DNS record...");
DnsServices.DeletePtrRecord(request.Hostname, request.IpAddress, dnsServer, isDryRun);
OnLogMessage("Execute", "Operation is successful.");
isSuccess = true;
}
return(isSuccess);
}
public override IHandlerRuntime Initialize(string values)
{
try
{
_config = DeserializeOrNew <DnsHandlerConfig>(values) ?? new DnsHandlerConfig();
}
catch (Exception ex)
{
OnLogMessage("Initialization", "Encountered exception while deserializing handler config.", LogLevel.Error, ex);
}
return(this);
}
public string GetDnsServer(DnsHandlerConfig config, string domainSuffix)
{
string dnsServer = "";
if (config?.DnsServers != null && !string.IsNullOrWhiteSpace(domainSuffix))
{
foreach (DnsServer ds in config.DnsServers)
{
if (string.Compare(ds.DomainSuffix, domainSuffix, StringComparison.OrdinalIgnoreCase) == 0)
{
dnsServer = ds.ServerName;
break;
}
}
}
return(dnsServer);
}
