/
HealthChecksBuilderDelegateExtensions.cs
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/
HealthChecksBuilderDelegateExtensions.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Shared;
using Microsoft.Extensions.Diagnostics.HealthChecks;
namespace Microsoft.Extensions.DependencyInjection;
/// <summary>
/// Provides extension methods for registering delegates with the <see cref="IHealthChecksBuilder"/>.
/// </summary>
public static class HealthChecksBuilderDelegateExtensions
{
/// <summary>
/// Adds a new health check with the specified name and implementation.
/// </summary>
/// <param name="builder">The <see cref="IHealthChecksBuilder"/>.</param>
/// <param name="name">The name of the health check.</param>
/// <param name="tags">A list of tags that can be used to filter health checks.</param>
/// <param name="check">A delegate that provides the health check implementation.</param>
/// <returns>The <see cref="IHealthChecksBuilder"/>.</returns>
// 2.0 BACKCOMPAT OVERLOAD -- DO NOT TOUCH
public static IHealthChecksBuilder AddCheck(
this IHealthChecksBuilder builder,
string name,
Func<HealthCheckResult> check,
IEnumerable<string> tags)
{
return AddCheck(builder, name, check, tags, default);
}
/// <summary>
/// Adds a new health check with the specified name and implementation.
/// </summary>
/// <param name="builder">The <see cref="IHealthChecksBuilder"/>.</param>
/// <param name="name">The name of the health check.</param>
/// <param name="tags">A list of tags that can be used to filter health checks.</param>
/// <param name="check">A delegate that provides the health check implementation.</param>
/// <param name="timeout">An optional <see cref="TimeSpan"/> representing the timeout of the check.</param>
/// <returns>The <see cref="IHealthChecksBuilder"/>.</returns>
[SuppressMessage("ApiDesign", "RS0026:Do not add multiple public overloads with optional parameters", Justification = "Required to maintain compatibility")]
public static IHealthChecksBuilder AddCheck(
this IHealthChecksBuilder builder,
string name,
Func<HealthCheckResult> check,
IEnumerable<string>? tags = null,
TimeSpan? timeout = default)
{
ArgumentNullThrowHelper.ThrowIfNull(builder);
ArgumentNullThrowHelper.ThrowIfNull(name);
ArgumentNullThrowHelper.ThrowIfNull(check);
var instance = new DelegateHealthCheck((ct) => Task.FromResult(check()));
return builder.Add(new HealthCheckRegistration(name, instance, failureStatus: null, tags, timeout));
}
/// <summary>
/// Adds a new health check with the specified name and implementation.
/// </summary>
/// <param name="builder">The <see cref="IHealthChecksBuilder"/>.</param>
/// <param name="name">The name of the health check.</param>
/// <param name="tags">A list of tags that can be used to filter health checks.</param>
/// <param name="check">A delegate that provides the health check implementation.</param>
/// <returns>The <see cref="IHealthChecksBuilder"/>.</returns>
// 2.0 BACKCOMPAT OVERLOAD -- DO NOT TOUCH
public static IHealthChecksBuilder AddCheck(
this IHealthChecksBuilder builder,
string name,
Func<CancellationToken, HealthCheckResult> check,
IEnumerable<string>? tags)
{
return AddCheck(builder, name, check, tags, default);
}
/// <summary>
/// Adds a new health check with the specified name and implementation.
/// </summary>
/// <param name="builder">The <see cref="IHealthChecksBuilder"/>.</param>
/// <param name="name">The name of the health check.</param>
/// <param name="tags">A list of tags that can be used to filter health checks.</param>
/// <param name="check">A delegate that provides the health check implementation.</param>
/// <param name="timeout">An optional <see cref="TimeSpan"/> representing the timeout of the check.</param>
/// <returns>The <see cref="IHealthChecksBuilder"/>.</returns>
[SuppressMessage("ApiDesign", "RS0026:Do not add multiple public overloads with optional parameters", Justification = "Required to maintain compatibility")]
public static IHealthChecksBuilder AddCheck(
this IHealthChecksBuilder builder,
string name,
Func<CancellationToken, HealthCheckResult> check,
IEnumerable<string>? tags = null,
TimeSpan? timeout = default)
{
ArgumentNullThrowHelper.ThrowIfNull(builder);
ArgumentNullThrowHelper.ThrowIfNull(name);
ArgumentNullThrowHelper.ThrowIfNull(check);
var instance = new DelegateHealthCheck((ct) => Task.FromResult(check(ct)));
return builder.Add(new HealthCheckRegistration(name, instance, failureStatus: null, tags, timeout));
}
/// <summary>
/// Adds a new health check with the specified name and implementation.
/// </summary>
/// <param name="builder">The <see cref="IHealthChecksBuilder"/>.</param>
/// <param name="name">The name of the health check.</param>
/// <param name="tags">A list of tags that can be used to filter health checks.</param>
/// <param name="check">A delegate that provides the health check implementation.</param>
/// <returns>The <see cref="IHealthChecksBuilder"/>.</returns>
// 2.0 BACKCOMPAT OVERLOAD -- DO NOT TOUCH
public static IHealthChecksBuilder AddAsyncCheck(
this IHealthChecksBuilder builder,
string name,
Func<Task<HealthCheckResult>> check,
IEnumerable<string> tags)
{
return AddAsyncCheck(builder, name, check, tags, default);
}
/// <summary>
/// Adds a new health check with the specified name and implementation.
/// </summary>
/// <param name="builder">The <see cref="IHealthChecksBuilder"/>.</param>
/// <param name="name">The name of the health check.</param>
/// <param name="tags">A list of tags that can be used to filter health checks.</param>
/// <param name="check">A delegate that provides the health check implementation.</param>
/// <param name="timeout">An optional <see cref="TimeSpan"/> representing the timeout of the check.</param>
/// <returns>The <see cref="IHealthChecksBuilder"/>.</returns>
[SuppressMessage("ApiDesign", "RS0026:Do not add multiple public overloads with optional parameters", Justification = "Required to maintain compatibility")]
public static IHealthChecksBuilder AddAsyncCheck(
this IHealthChecksBuilder builder,
string name,
Func<Task<HealthCheckResult>> check,
IEnumerable<string>? tags = null,
TimeSpan? timeout = default)
{
ArgumentNullThrowHelper.ThrowIfNull(builder);
ArgumentNullThrowHelper.ThrowIfNull(name);
ArgumentNullThrowHelper.ThrowIfNull(check);
var instance = new DelegateHealthCheck((ct) => check());
return builder.Add(new HealthCheckRegistration(name, instance, failureStatus: null, tags, timeout));
}
/// <summary>
/// Adds a new health check with the specified name and implementation.
/// </summary>
/// <param name="builder">The <see cref="IHealthChecksBuilder"/>.</param>
/// <param name="name">The name of the health check.</param>
/// <param name="tags">A list of tags that can be used to filter health checks.</param>
/// <param name="check">A delegate that provides the health check implementation.</param>
/// <returns>The <see cref="IHealthChecksBuilder"/>.</returns>
// 2.0 BACKCOMPAT OVERLOAD -- DO NOT TOUCH
public static IHealthChecksBuilder AddAsyncCheck(
this IHealthChecksBuilder builder,
string name,
Func<CancellationToken, Task<HealthCheckResult>> check,
IEnumerable<string> tags)
{
return AddAsyncCheck(builder, name, check, tags, default);
}
/// <summary>
/// Adds a new health check with the specified name and implementation.
/// </summary>
/// <param name="builder">The <see cref="IHealthChecksBuilder"/>.</param>
/// <param name="name">The name of the health check.</param>
/// <param name="tags">A list of tags that can be used to filter health checks.</param>
/// <param name="check">A delegate that provides the health check implementation.</param>
/// <param name="timeout">An optional <see cref="TimeSpan"/> representing the timeout of the check.</param>
/// <returns>The <see cref="IHealthChecksBuilder"/>.</returns>
[SuppressMessage("ApiDesign", "RS0026:Do not add multiple public overloads with optional parameters", Justification = "Required to maintain compatibility")]
public static IHealthChecksBuilder AddAsyncCheck(
this IHealthChecksBuilder builder,
string name,
Func<CancellationToken, Task<HealthCheckResult>> check,
IEnumerable<string>? tags = null,
TimeSpan? timeout = default)
{
ArgumentNullThrowHelper.ThrowIfNull(builder);
ArgumentNullThrowHelper.ThrowIfNull(name);
ArgumentNullThrowHelper.ThrowIfNull(check);
var instance = new DelegateHealthCheck((ct) => check(ct));
return builder.Add(new HealthCheckRegistration(name, instance, failureStatus: null, tags, timeout));
}
}