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Check DNS with GitHub.

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This commit is contained in:
Tingluo Huang
2026-07-01 09:56:23 -04:00
parent 1ed4f70ee9
commit 26656cd07d
1 changed files with 39 additions and 10 deletions
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49
src/Runner.Worker/JobExtension.cs
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@@ -4,6 +4,7 @@ using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Runtime.Serialization;
using System.Threading;
@@ -901,8 +902,8 @@ namespace GitHub.Runner.Worker
foreach (var check in _connectivityCheckTasks)
{
var result = await check;
Trace.Info($"Connectivity check result: {result}");
context.Global.JobTelemetry.Add(new JobTelemetry() { Type = JobTelemetryType.ConnectivityCheck, Message = $"{result.EndpointUrl}: {result.StatusCode}" });
Trace.Info($"Connectivity check result: {StringUtil.ConvertToJson(result)}");
context.Global.JobTelemetry.Add(new JobTelemetry() { Type = JobTelemetryType.ConnectivityCheck, Message = $"{StringUtil.ConvertToJson(result)}" });
}
}
catch (Exception ex)
@@ -1012,6 +1013,30 @@ namespace GitHub.Runner.Worker
using (var timeoutTokenSource = new CancellationTokenSource(TimeSpan.FromSeconds(timeoutInSeconds)))
using (var linkedTokenSource = CancellationTokenSource.CreateLinkedTokenSource(token, timeoutTokenSource.Token))
{
try
{
var addresses = await Dns.GetHostAddressesAsync(new Uri(endpointUrl).Host, linkedTokenSource.Token);
stopwatch.Stop();
result.DNSResolutionDurationInMs = (int)stopwatch.ElapsedMilliseconds;
result.EndpointIPs = addresses.Select(a => a.ToString()).ToArray();
}
catch (Exception ex) when (ex is OperationCanceledException && token.IsCancellationRequested)
{
Trace.Error($"DNS resolution canceled: {ex}");
result.StatusCode = "dns_canceled";
}
catch (Exception ex) when (ex is OperationCanceledException && timeoutTokenSource.IsCancellationRequested)
{
Trace.Error($"DNS resolution timeout: {ex}");
result.StatusCode = "dns_timeout";
}
catch (Exception ex)
{
Trace.Error($"Catch exception during DNS resolution: {ex}");
result.StatusCode = $"dns_{ex.Message}";
}
stopwatch.Restart();
try
{
using (var httpClientHandler = HostContext.CreateHttpClientHandler())
@@ -1024,7 +1049,7 @@ namespace GitHub.Runner.Worker
}
var response = await httpClient.GetAsync(endpointUrl, linkedTokenSource.Token);
result.StatusCode = $"{response.StatusCode}";
result.StatusCode = $"http_{response.StatusCode}";
var githubRequestId = UrlUtil.GetGitHubRequestId(response.Headers);
var vssRequestId = UrlUtil.GetVssRequestId(response.Headers);
@@ -1036,26 +1061,26 @@ namespace GitHub.Runner.Worker
{
result.RequestId = vssRequestId;
}
stopwatch.Stop();
result.HttpRequestDurationInMs = (int)stopwatch.ElapsedMilliseconds;
}
}
catch (Exception ex) when (ex is OperationCanceledException && token.IsCancellationRequested)
{
Trace.Error($"Request canceled during connectivity check: {ex}");
result.StatusCode = "canceled";
result.StatusCode = "http_canceled";
}
catch (Exception ex) when (ex is OperationCanceledException && timeoutTokenSource.IsCancellationRequested)
{
Trace.Error($"Request timeout during connectivity check: {ex}");
result.StatusCode = "timeout";
result.StatusCode = "http_timeout";
}
catch (Exception ex)
{
Trace.Error($"Catch exception during connectivity check: {ex}");
result.StatusCode = $"{ex.Message}";
result.StatusCode = $"http_{ex.Message}";
}
}
stopwatch.Stop();
result.DurationInMs = (int)stopwatch.ElapsedMilliseconds;
return result;
}
@@ -1141,7 +1166,7 @@ namespace GitHub.Runner.Worker
try
{
var result = await CheckConnectivity(endpoint.Value, accessToken: accessToken, timeoutInSeconds: checkConnectivityInfo.RequestTimeoutInSecond, token);
testResult.EndpointsResult[endpoint.Key].Add($"{result.StartTime:s}: {result.StatusCode} - {result.RequestId} - {result.DurationInMs}ms");
testResult.EndpointsResult[endpoint.Key].Add($"{result.StartTime:s}: {result.StatusCode} - {result.RequestId} - {result.HttpRequestDurationInMs}ms");
if (!testResult.HasFailure &&
result.StatusCode != "OK" &&
result.StatusCode != "canceled")
@@ -1212,13 +1237,17 @@ namespace GitHub.Runner.Worker
public string EndpointUrl { get; set; }
public string[] EndpointIPs { get; set; }
public DateTime StartTime { get; set; }
public string StatusCode { get; set; }
public string RequestId { get; set; }
public int DurationInMs { get; set; }
public int HttpRequestDurationInMs { get; set; }
public int DNSResolutionDurationInMs { get; set; }
}
}
}