public ServerStatisticsSummarizer(
IOptions <DnsServersSettings> dnsServersSettings,
IDnsServerStatisticsStore dnsServerStatisticsStore)
{
_dnsServersSettings = dnsServersSettings.Value;
_dnsServerStatisticsStore = dnsServerStatisticsStore;
_logger = Log.ForContext("SourceContext", nameof(ServerStatisticsSummarizer));
}
public GetStatisticsApi(
IOptions <DnsServerApiSettings> dnsServerApiSettings,
IOptions <BlitzServerSettings> blitzServerSettings,
IDnsServerStatisticsStore dnsServerStatisticsStore)
{
_logger = Log.ForContext("SourceContext", FunctionName);
_dnsServerApiSettings = dnsServerApiSettings.Value;
_blitzServerSettings = blitzServerSettings.Value;
_dnsServerStatisticsStore = dnsServerStatisticsStore;
}
public DnsServerStatisticsIngresser(
IOptions <DnsServerApiSettings> dnsServerApiSettings,
IDnsServerStatisticsRetriever dnsServerStatisticsRetreiver,
IDnsServerStatisticsStore dnsServerStatisticsStore)
{
_dnsServerApiSettings = dnsServerApiSettings.Value;
_dnsServerStatisticsRetreiver = dnsServerStatisticsRetreiver;
_dnsServerStatisticsStore = dnsServerStatisticsStore;
_logger = Log.ForContext("SourceContext", nameof(DnsServerStatisticsIngresser));
}
public HomeController(
IOptions <DisplayableDnsServerSettings> dnsServersSetting,
IDnsServerStatisticsStore dnsServerStatisticsStore,
IMemoryCache memoryCache)
{
_dnsServersSettings = dnsServersSetting.Value;
_dnsServerStatisticsStore = dnsServerStatisticsStore;
_memoryCache = memoryCache;
_logger = Log.ForContext("SourceContext", nameof(HomeController));
}
public static async Task Run(
[TimerTrigger("0 0 19 * * *")] TimerInfo myTimer,
[Inject] IOptions <DnsServersSettings> dnsServersSettings,
[Inject] IDnsServerStatisticsStore dnsServerStatisticsStore,
[Inject] IEnumerable <IAlertClient> alertClients)
{
var logger = Log.ForContext("SourceContext", FunctionName);
try
{
var hoursOfIncrements = DateTime.UtcNow.GetHoursOfIncrements();
var printableTimeSpan = hoursOfIncrements.PrintableTimeSpan();
// Get statistics for all servers
var allDnsServerStatistics = new List <DnsServerStatistics>();
foreach (var server in dnsServersSettings.Value.DnsServers)
{
allDnsServerStatistics.AddRange(await dnsServerStatisticsStore.GetServerStatisticsFromDate(server.ServerName, DateTime.UtcNow.AddHours(-hoursOfIncrements)));
}
if (allDnsServerStatistics.Count == 0)
{
throw new InvalidOperationException($"Did not get any statistical increments for pidns servers for hours {hoursOfIncrements}");
}
var totalNumQueries = allDnsServerStatistics.Sum(s => s.TotalNumQueries);
var totalAdsBlocked = allDnsServerStatistics.Sum(s => s.NumAnswerNXDOMAIN);
foreach (var alertClient in alertClients)
{
logger.Information("Sending pidns statistics totalNumQueries {TotalNumQueries} and totalAdsBlocked {TotalAdsBlocked} to {Integration} client",
totalNumQueries, totalAdsBlocked, alertClient.Integration);
if (!(await alertClient.TrySendPiDnsStatistics(totalNumQueries, totalAdsBlocked, printableTimeSpan)))
{
logger.Warning("AlertClient {Client} returned false when sending pidns statistics alert, indicating a failure", alertClient.Integration);
}
}
}
catch (Exception e)
{
logger.Error(e, "Got an exception while processing pidns statistics alert");
}
}
