ASP.NET Core 2.2 之後提供了內置的 Health Checks 來幫助您監視和報告應用程序的健康狀況。默認情況是不需要在額外的引入其它nuget包的,因爲AspNet Core自帶了這些功能。
public void ConfigureServices(IServiceCollection services)
{
//使用該擴展方法
services.AddHealthChecks();
}
public void Configure(IApplicationBuilder app)
{
app.UseRouting();
app.UseEndpoints(endpoints =>
{
//使用該擴展方法
endpoints.MapHealthChecks("/health");
});
}
進行請求"health"路徑,就會得到下面的結果:
內置的AddHealthChecks功能比較簡單,而現實場景我們是需要對各種指標進行檢查的,redis,數據庫,RabbitMQ,上游api等等。
而Nugget早已經有人造好輪子,大部分場景我們下載使用即可。
我們可以先添加AspNetCore.Diagnostics.HealthChecks
基礎包,然後需要添加那種檢查,就添加對應的包即可。
<PackageReference Include="AspNetCore.HealthChecks.NpgSql" Version="5.0.2" />
<PackageReference Include="AspNetCore.HealthChecks.Rabbitmq" Version="5.0.1" />
<PackageReference Include="AspNetCore.HealthChecks.Redis" Version="5.0.1" />
<PackageReference Include="AspNetCore.HealthChecks.UI.Client" Version="5.0.1" />
<PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks" Version="5.0.17" />
services.AddHealthChecks()
.AddNpgSql("ConnectionString")
.AddRedis("ConnectionString")
.AddRabbitMQ("ConnectionString", null, "rabbitMQ");
app.UseEndpoints(endpoints =>
{
endpoints.MapControllers();
//設置健康檢查終結點
endpoints.MapHealthChecks("/health", new HealthCheckOptions()
{
//設置返回格式
ResponseWriter = UIResponseWriter.WriteHealthCheckUIResponse
});
});
接下來我們再次進行請求"health"路徑,就會得到下面的結果:
如果還想給健康檢查配置訪問控制可以
一般情況nuget包是夠用的
Install-Package AspNetCore.HealthChecks.ApplicationStatus
Install-Package AspNetCore.HealthChecks.ArangoDb
Install-Package AspNetCore.HealthChecks.Aws.S3
Install-Package AspNetCore.HealthChecks.Aws.SecretsManager
Install-Package AspNetCore.HealthChecks.Aws.Sns
Install-Package AspNetCore.HealthChecks.Aws.Sqs
Install-Package AspNetCore.HealthChecks.Aws.SystemsManager
Install-Package AspNetCore.HealthChecks.Azure.IoTHub
Install-Package AspNetCore.HealthChecks.AzureDigitalTwin
Install-Package AspNetCore.HealthChecks.AzureKeyVault
Install-Package AspNetCore.HealthChecks.AzureServiceBus
Install-Package AspNetCore.HealthChecks.AzureStorage
Install-Package AspNetCore.HealthChecks.Consul
Install-Package AspNetCore.HealthChecks.CosmosDb
Install-Package AspNetCore.HealthChecks.DocumentDb
Install-Package AspNetCore.HealthChecks.DynamoDB
Install-Package AspNetCore.HealthChecks.Elasticsearch
Install-Package AspNetCore.HealthChecks.EventStore
Install-Package AspNetCore.HealthChecks.EventStore.gRPC
Install-Package AspNetCore.HealthChecks.Gcp.CloudFirestore
Install-Package AspNetCore.HealthChecks.Gremlin
Install-Package AspNetCore.HealthChecks.Hangfire
Install-Package AspNetCore.HealthChecks.IbmMQ
Install-Package AspNetCore.HealthChecks.InfluxDB
Install-Package AspNetCore.HealthChecks.Kafka
Install-Package AspNetCore.HealthChecks.Kubernetes
Install-Package AspNetCore.HealthChecks.MongoDb
Install-Package AspNetCore.HealthChecks.MySql
Install-Package AspNetCore.HealthChecks.Nats
Install-Package AspNetCore.HealthChecks.Network
Install-Package AspNetCore.HealthChecks.Npgsql
Install-Package AspNetCore.HealthChecks.OpenIdConnectServer
Install-Package AspNetCore.HealthChecks.Oracle
Install-Package AspNetCore.HealthChecks.RabbitMQ
Install-Package AspNetCore.HealthChecks.RavenDB
Install-Package AspNetCore.HealthChecks.Redis
Install-Package AspNetCore.HealthChecks.SendGrid
Install-Package AspNetCore.HealthChecks.SignalR
Install-Package AspNetCore.HealthChecks.Solr
Install-Package AspNetCore.HealthChecks.SqLite
Install-Package AspNetCore.HealthChecks.SqlServer
Install-Package AspNetCore.HealthChecks.System
Install-Package AspNetCore.HealthChecks.Uris
如果nuget沒有符合你的包,可以自己實現
public class DatabaseHeaCheakCheck : IHealthCheck
{
public async Task<HealthCheckResult> CheckHealthAsync(HealthCheckContext context
, CancellationToken cancellationToken = default)
{
try
{
// 你要檢查的業務
throw new ArgumentNullException();
return HealthCheckResult.Healthy();
}
catch(Exception ex)
{
return HealthCheckResult.Unhealthy(exception:ex );
}
}
}
services.AddHealthChecks()
.AddCheck<DatabaseHeaCheakCheck>("Database")
.AddNpgSql("ConnectionString")
.AddRedis("ConnectionString")
.AddRabbitMQ("ConnectionString", null, "rabbitMQ");
接下來我們再次進行請求"health"路徑,就會得到下面的結果:
微軟官方文檔-ASP.NET Core 中的運行狀況檢查
https://learn.microsoft.com/zh-cn/aspnet/core/host-and-deploy/health-checks?view=aspnetcore-3.1#health-check-publisher