我正在尝试创建一个简单的echo服务,它与systemd
init系统一起使用。一切都很好,它甚至在快速部署后开始,但是当我试图通过systemctl status <service>
命令找出它的状态时,它会快速退出(或崩溃)。
逻辑很简单,我在这里提供下一个来源:
Program.cs的
using System;
using System.Threading.Tasks;
namespace hw
{
class Program
{
private const int delay = 1000;
private static Random random = new Random();
static async Task Handle()
{
Console.WriteLine($"tick tack... {random.Next()}");
await Task.Delay(delay);
await Handle();
}
static void Main(string[] args)
{
Task.Factory.StartNew(async() => await Handle());
Console.ReadLine();
}
}
}
hw.service(systemd config file)
[Unit]
Description=HW Echo Service
[Service]
WorkingDirectory=/var/netcore/hw
ExecStart=/usr/bin/dotnet /var/netcore/hw/hw.dll
Restart=always
RestartSec=10
SyslogIdentifier=dotnet-echo-hw
[Install]
WantedBy=multi-user.target
帮助脚本,init.sh (如果您想在本地系统上试用,也可以使用chmod +x init.sh
):
dotnet build
dotnet publish
echo "\nPreparing binaries for the service directory:\n"
rm -rf /var/netcore/hw
mkdir /var/netcore /var/netcore/hw
cp -R bin/Debug/netcoreapp1.1/publish/* /var/netcore/hw
ls -la /var/netcore/hw
echo "\nInitializing the systemd service:"
systemctl stop hw.service
rm /etc/systemd/system/hw.service
cp hw.service /etc/systemd/system/hw.service
systemctl daemon-reload
systemctl enable hw.service
systemctl start hw.service
systemctl status hw.service
日志:
journalctl -fu hw.service
:https://pastebin.com/SSMNbgtS systemctl status hw.service
systemd
我还在等什么?
我希望我的服务运行,因为其他我的服务(ASP.NET Core)正在运行(具有活动/绿色状态)作为Execute R
服务。至于ASP.NET核心项目,没有问题,就像简单的控制台一样 - 它们是......
如何解决我的问题?
由于
答案 0 :(得分:1)
由于 Evk 建议使用ManualResetEvent
,我已完成下一步:
using System;
using System.Threading;
using System.Threading.Tasks;
namespace hw
{
class Program
{
private const int delay = 1000;
private static Random random = new Random();
private static ManualResetEvent resetEvent = new ManualResetEvent(false);
static async Task Handle()
{
Console.WriteLine($"tick tack... {random.Next()}");
await Task.Delay(delay);
await Handle();
}
static void Main(string[] args)
{
Task.Factory.StartNew(async() => await Handle());
Console.CancelKeyPress += (sender, eventArgs) =>
{
// Cancel the cancellation to allow the program to shutdown cleanly.
eventArgs.Cancel = true;
resetEvent.Set();
};
resetEvent.WaitOne();
}
}
}
现在一切正常服务不会停止/崩溃。