我有一个基于的 Azure 容器应用程序托管后台服务模型。它本质上只是一个长期运行的控制台应用程序,它覆盖了BackgroundService.ExecuteAsync
方法并等待停止信号(通过传递的取消令牌)。当我在 Docker 中本地运行时,它是完美的 - 一切都按预期运行。当我部署为 Azure 容器应用程序时,它会部署并运行 - 尽管我必须手动将最小规模设置为 1 才能让它运行 - 但它每 30 秒左右重新启动一次,这显然不理想。我的猜测是,Azure 容器应用程序 docker 主机正在以某种方式检查我的实例的运行状况,但不满意,因此尝试重新启动它?只是一个猜测。我缺少什么?
using FR911.DataAccess.Repository;
using FR911.Infrastructure.Commands;
using FR911.Utils;
using FR911.Utils.Extensions;
using SimpleInjector;
IHost host = Host.CreateDefaultBuilder(args)
.ConfigureServices(services =>
{
services.AddFR911Log4NetConfig();
services.AddTransient<ICommandProcessor, CommandProcessor>();
Container container = new Container();
container.Register(typeof(ICommandHandler<,>), new List<Type>()
{
//typeof(CacheSyncCommandHandler),
});
#if DEBUG
container.Verify();
#endif
services.AddSingleton<Container>(container);
services.AddHostedService<Worker>();
})
.Build();
await host.RunAsync();
public class Worker : BackgroundService
{
private readonly ILogger<Worker> _logger;
private ICommandProcessor _commandProcessor;
public Worker(ILogger<Worker> logger, ICommandProcessor cmdProcessor)
{
_logger = logger;
_commandProcessor = cmdProcessor;
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
_logger.LogInformation("Worker starting at: {time}", DateTimeOffset.Now);
DateTime? lastGC = null;
while (!stoppingToken.IsCancellationRequested)
{
_logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
await Task.Delay(1000, stoppingToken);
}
_logger.LogInformation("Worker stopping at: {time}", DateTimeOffset.Now);
}
}
24 May 2022 12:10:46.5732022-05-24 12:10:46,248 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker starting at: 05/24/2022 12:10:46 +00:00
24 May 2022 12:10:46.5732022-05-24 12:10:46,249 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:10:46 +00:00
24 May 2022 12:10:46.5732022-05-24 12:10:46,251 Microsoft.Hosting.Lifetime fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Application started. Press Ctrl+C to shut down.
24 May 2022 12:10:46.5732022-05-24 12:10:46,252 Microsoft.Hosting.Lifetime fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Hosting environment: Production
24 May 2022 12:10:46.5732022-05-24 12:10:46,336 Microsoft.Hosting.Lifetime fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Content root path: /app
24 May 2022 12:10:47.6402022-05-24 12:10:47,637 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:10:47 +00:00
24 May 2022 12:10:48.6402022-05-24 12:10:48,638 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:10:48 +00:00
24 May 2022 12:10:49.6392022-05-24 12:10:49,637 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:10:49 +00:00
24 May 2022 12:10:50.6432022-05-24 12:10:50,638 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:10:50 +00:00
24 May 2022 12:10:51.6422022-05-24 12:10:51,638 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:10:51 +00:00
24 May 2022 12:10:52.6412022-05-24 12:10:52,638 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:10:52 +00:00
24 May 2022 12:10:53.6622022-05-24 12:10:53,637 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:10:53 +00:00
24 May 2022 12:10:54.6402022-05-24 12:10:54,638 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:10:54 +00:00
24 May 2022 12:10:55.6382022-05-24 12:10:55,636 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:10:55 +00:00
24 May 2022 12:10:56.6392022-05-24 12:10:56,637 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:10:56 +00:00
24 May 2022 12:10:57.6402022-05-24 12:10:57,638 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:10:57 +00:00
24 May 2022 12:10:58.6402022-05-24 12:10:58,638 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:10:58 +00:00
24 May 2022 12:10:59.6402022-05-24 12:10:59,638 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:10:59 +00:00
24 May 2022 12:11:00.6402022-05-24 12:11:00,637 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:11:00 +00:00
24 May 2022 12:11:01.6432022-05-24 12:11:01,638 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:11:01 +00:00
24 May 2022 12:11:02.6392022-05-24 12:11:02,637 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:11:02 +00:00
24 May 2022 12:11:03.6402022-05-24 12:11:03,638 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:11:03 +00:00
24 May 2022 12:11:04.6412022-05-24 12:11:04,637 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:11:04 +00:00
24 May 2022 12:11:05.6492022-05-24 12:11:05,636 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:11:05 +00:00
24 May 2022 12:11:06.6642022-05-24 12:11:06,638 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:11:06 +00:00
24 May 2022 12:11:07.6392022-05-24 12:11:07,637 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:11:07 +00:00
24 May 2022 12:11:08.6402022-05-24 12:11:08,638 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:11:08 +00:00
24 May 2022 12:11:09.6402022-05-24 12:11:09,637 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:11:09 +00:00
24 May 2022 12:11:10.6412022-05-24 12:11:10,637 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:11:10 +00:00
24 May 2022 12:11:11.6392022-05-24 12:11:11,638 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:11:11 +00:00
24 May 2022 12:11:12.6402022-05-24 12:11:12,637 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:11:12 +00:00
24 May 2022 12:11:13.6402022-05-24 12:11:13,638 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:11:13 +00:00
24 May 2022 12:11:14.6392022-05-24 12:11:14,636 FR911.Worker.Worker fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Worker running at: 05/24/2022 12:11:14 +00:00
24 May 2022 12:11:14.9312022-05-24 12:11:14,930 Microsoft.Hosting.Lifetime fr911worker-app-20--vki2kmn-cf5bff474-5w6mh INFO Application is shutting down...