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* feat: Add database health check * test: Clear health check options when the application under test is constructed * feat(Health check): Make overall status property name configurable * docs: Describe expanded health check endpoint
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
| using System.Linq; | ||
| using System.Text.Json; | ||
| using System.Text.Json.Serialization; | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
| using Microsoft.Extensions.Diagnostics.HealthChecks; | ||
|
|
||
| namespace BaGetter.Core.Extensions; | ||
|
|
||
| public static class HealthCheckExtensions | ||
| { | ||
| private static readonly JsonSerializerOptions SerializerOptions = new() | ||
| { | ||
| WriteIndented = true, | ||
| Converters = { new JsonStringEnumConverter() } | ||
| }; | ||
|
|
||
| /// <summary> | ||
| /// Formats the <see cref="HealthReport"/> as JSON and writes it to the specified <see cref="Stream"/>. | ||
| /// </summary> | ||
| /// <param name="report">The report to format.</param> | ||
| /// <param name="stream">A writable stream to write the report to. Will not be closed.</param> | ||
| /// <param name="detailedReport">Whether to include detailed information about each health check.</param> | ||
| /// <param name="statusPropertyName">The name of the property that will contain the overall status.</param> | ||
| /// <param name="cancellationToken"></param> | ||
| /// <returns>A <see cref="Task"/> completing when the report is completely written to the stream.</returns> | ||
| public static async Task FormatAsJson(this HealthReport report, Stream stream, bool detailedReport, string statusPropertyName = "Status", | ||
| CancellationToken cancellationToken = default) | ||
| { | ||
| // Always include the overall status. | ||
| IEnumerable<(string Key, HealthStatus Value)> entries = [(statusPropertyName, report.Status)]; | ||
|
|
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| // Include details if requested. | ||
| if (detailedReport) | ||
| { | ||
| entries = entries.Concat(report.Entries.Select(entry => (entry.Key, entry.Value.Status))); | ||
| } | ||
|
|
||
| await JsonSerializer.SerializeAsync( | ||
| stream, | ||
| entries.ToDictionary(entry => entry.Key, entry => entry.Value), | ||
| SerializerOptions, | ||
| cancellationToken); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Determine whether a health check is configured for BaGetter. | ||
| /// </summary> | ||
| /// <param name="check">The <see cref="HealthCheckRegistration"/>.</param> | ||
| /// <param name="options">The current BaGetter configuration. Will be checked for configured services.</param> | ||
| /// <returns>A boolean representing whether the given check is configured in this BaGetter instance.</returns> | ||
| public static bool IsConfigured(this HealthCheckRegistration check, BaGetterOptions options) | ||
| { | ||
| return check.Tags.Count == 0 || // General checks | ||
| check.Tags.Contains(options.Database.Type) || // Database check | ||
| check.Tags.Contains(options.Storage.Type) || // Storage check | ||
| check.Tags.Contains(options.Search.Type); // Search check | ||
| } | ||
| } |
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