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43 lines
1.6 KiB
C#
43 lines
1.6 KiB
C#
using System;
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using System.Threading;
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using System.Threading.Tasks;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Diagnostics.HealthChecks;
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namespace Jellyfin.Server.HealthChecks;
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/// <summary>
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/// Implementation of the <see cref="DbContextHealthCheck{TContext}"/> for a <see cref="IDbContextFactory{TContext}"/>.
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/// </summary>
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/// <typeparam name="TContext">The type of database context.</typeparam>
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public class DbContextFactoryHealthCheck<TContext> : IHealthCheck
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where TContext : DbContext
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{
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private readonly IDbContextFactory<TContext> _dbContextFactory;
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/// <summary>
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/// Initializes a new instance of the <see cref="DbContextFactoryHealthCheck{TContext}"/> class.
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/// </summary>
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/// <param name="contextFactory">Instance of the <see cref="IDbContextFactory{TContext}"/> interface.</param>
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public DbContextFactoryHealthCheck(IDbContextFactory<TContext> contextFactory)
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{
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_dbContextFactory = contextFactory;
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}
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/// <inheritdoc />
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public async Task<HealthCheckResult> CheckHealthAsync(HealthCheckContext context, CancellationToken cancellationToken = default)
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{
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ArgumentNullException.ThrowIfNull(context);
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var dbContext = await _dbContextFactory.CreateDbContextAsync(cancellationToken).ConfigureAwait(false);
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await using (dbContext.ConfigureAwait(false))
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{
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if (await dbContext.Database.CanConnectAsync(cancellationToken).ConfigureAwait(false))
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{
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return HealthCheckResult.Healthy();
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}
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}
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return HealthCheckResult.Unhealthy();
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}
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}
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