从 https://github.com/skuzminoff/HealthChecks.ClickHouse 复制， 并更换组件，...

从 https://github.com/skuzminoff/HealthChecks.ClickHouse   复制， 并更换组件， 使得跟EntityFrameworkCore.ClickHouse使用的ADO组件保持一致。

IoTSharp.HealthChecks.sln

@@ -22,6 +22,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "HealthChecks.IoTDB", "src\H
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "HealthChecks.NTPServer", "src\HealthChecks.NTPServer\HealthChecks.NTPServer.csproj", "{49183943-D498-4F29-B1C8-9FAB0F3454BA}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "HealthChecks.ClickHouse", "src\HealthChecks.ClickHouse\HealthChecks.ClickHouse.csproj", "{13291139-ABD8-468B-BCF7-9BA6B3057F62}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -52,6 +54,10 @@ Global
 		{49183943-D498-4F29-B1C8-9FAB0F3454BA}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{49183943-D498-4F29-B1C8-9FAB0F3454BA}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{49183943-D498-4F29-B1C8-9FAB0F3454BA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{13291139-ABD8-468B-BCF7-9BA6B3057F62}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{13291139-ABD8-468B-BCF7-9BA6B3057F62}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{13291139-ABD8-468B-BCF7-9BA6B3057F62}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{13291139-ABD8-468B-BCF7-9BA6B3057F62}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

src/HealthChecks.ClickHouse/ClickHouseHealthCheck.cs

+using System;
+using System.Threading;
+using Microsoft.Extensions.Diagnostics.HealthChecks;
+using System.Threading.Tasks;
+using ClickHouse.Client.ADO;
+
+namespace HealthChecks.Clickhouse
+{
+    public class ClickHouseHealthCheck : IHealthCheck
+    {
+
+        private readonly ClickHouse.Client.ADO.ClickHouseConnection houseConnection;
+ 
+
+        public ClickHouseHealthCheck(ClickHouseConnection clickHouseConnection)
+        {
+            houseConnection = clickHouseConnection;
+        }
+
+        public async Task<HealthCheckResult> CheckHealthAsync(
+            HealthCheckContext context, CancellationToken cancellationToken)
+        {
+            try
+            {
+               await houseConnection.OpenAsync(cancellationToken);
+                var version= houseConnection.ServerVersion;
+                await houseConnection.CloseAsync();
+                return !string.IsNullOrEmpty(version)
+                    ? HealthCheckResult.Healthy() 
+                    : HealthCheckResult.Unhealthy();
+            }
+            catch (Exception ex)
+            {
+                var checkResult = new HealthCheckResult(
+                    context.Registration.FailureStatus,
+                    description: "exception while clickhouse health check",
+                    exception: ex,
+                    data: null);
+                return  checkResult;
+            }
+          
+        }
+    }
+}

src/HealthChecks.ClickHouse/DependencyInjection/ClickHouseHealthCheckBuilderExtensions.cs

+using System.Collections.Generic;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Diagnostics.HealthChecks;
+
+namespace HealthChecks.Clickhouse.DependencyInjection
+{
+    public static class ClickhouseHealthCheckBuilderExtensions
+    {
+        public static IHealthChecksBuilder AddClickHouseHealthCheck(this IHealthChecksBuilder builder,string connectionString,
+        HealthStatus failureStatus = HealthStatus.Unhealthy, 
+        string name = default,
+        IEnumerable<string> tags = default)
+        {   
+            var healthCheckName = name ?? "clickhouse";
+
+            return builder.Add(new HealthCheckRegistration(
+                healthCheckName,
+                sp => new ClickHouseHealthCheck(new ClickHouse.Client.ADO.ClickHouseConnection(connectionString)),
+                failureStatus,
+                tags));
+        }
+    }
+}
\ No newline at end of file

src/HealthChecks.ClickHouse/HealthChecks.Clickhouse.csproj

+<Project Sdk="Microsoft.NET.Sdk">
+
+<PropertyGroup>
+    <FileVersion>1.0.0</FileVersion>
+    <Product>HealthChecks.ClickHouse</Product>
+    <Authors>Kuzminov Stanislav,IoTSharp</Authors>
+    <Description>ClickHouse db health check</Description>
+    <Title>IoTSharp.HealthChecks.ClickHouse</Title>
+    <PackageId>IoTSharp.HealthChecks.ClickHouse</PackageId>
+    <PackageTags>ClickHouse healthcheck </PackageTags>
+    <PackageLicenseExpression>MIT</PackageLicenseExpression>
+    <PackageProjectUrl>https://github.com/skuzminoff/HealthChecks.ClickHouse</PackageProjectUrl>
+    <PublishRepositoryUrl>true</PublishRepositoryUrl> 
+ </PropertyGroup>
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+     <LangVersion>latest</LangVersion>
+     <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
+  </PropertyGroup>
+
+ 
+
+  <ItemGroup>
+    <PackageReference Include="ClickHouse.Client" Version="5.0.4" />
+    <PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks" Version="6.0.9" />
+  </ItemGroup>
+</Project>