sam/Foxnouns.NET
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refactor(backend): use single shared HTTP client with backoff

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sam 2025-03-11 16:10:55 +01:00
parent bba322bd22
commit 5d452824cd
Signed by: sam
GPG key ID: B4EF20DDE721CAA1
9 changed files with 232 additions and 75 deletions
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36
Foxnouns.Backend/Extensions/WebApplicationExtensions.cs
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@ -21,8 +21,10 @@ using Foxnouns.Backend.Services;
using Foxnouns.Backend.Services.Auth;
using Foxnouns.Backend.Services.V1;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Http.Resilience;
using Minio;
using NodaTime;
using Polly;
using Prometheus;
using Serilog;
using Serilog.Events;
@ -100,6 +102,40 @@ public static class WebApplicationExtensions
builder.Host.ConfigureServices(
(ctx, services) =>
{
// create a single HTTP client for all requests.
// it's also configured with a retry mechanism, so that requests aren't immediately lost to the void if they fail
services.AddSingleton<HttpClient>(_ =>
{
// ReSharper disable once SuggestVarOrType_Elsewhere
var retryPipeline = new ResiliencePipelineBuilder<HttpResponseMessage>()
.AddRetry(
new HttpRetryStrategyOptions
{
BackoffType = DelayBackoffType.Linear,
MaxRetryAttempts = 3,
}
)
.Build();
var resilienceHandler = new ResilienceHandler(retryPipeline)
{
InnerHandler = new SocketsHttpHandler
{
PooledConnectionLifetime = TimeSpan.FromMinutes(15),
},
};
var client = new HttpClient(resilienceHandler);
client.DefaultRequestHeaders.Remove("User-Agent");
client.DefaultRequestHeaders.Remove("Accept");
client.DefaultRequestHeaders.Add(
"User-Agent",
$"pronouns.cc/{BuildInfo.Version}"
);
client.DefaultRequestHeaders.Add("Accept", "application/json");
return client;
});
services
.AddQueue()
.AddSmtpMailer(ctx.Configuration)