2020-10-12 18:24:19 +00:00
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using System;
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using System.Linq;
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using NzbDrone.Common.Extensions;
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using NzbDrone.Core.Indexers;
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using NzbDrone.Core.ThingiProvider.Events;
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namespace NzbDrone.Core.HealthCheck.Checks
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{
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[CheckOn(typeof(ProviderUpdatedEvent<IIndexer>))]
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[CheckOn(typeof(ProviderDeletedEvent<IIndexer>))]
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[CheckOn(typeof(ProviderStatusChangedEvent<IIndexer>))]
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public class IndexerLongTermStatusCheck : HealthCheckBase
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{
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private readonly IIndexerFactory _providerFactory;
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private readonly IIndexerStatusService _providerStatusService;
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public IndexerLongTermStatusCheck(IIndexerFactory providerFactory, IIndexerStatusService providerStatusService)
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{
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_providerFactory = providerFactory;
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_providerStatusService = providerStatusService;
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}
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public override HealthCheck Check()
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{
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var enabledProviders = _providerFactory.GetAvailableProviders();
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var backOffProviders = enabledProviders.Join(_providerStatusService.GetBlockedProviders(),
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i => i.Definition.Id,
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s => s.ProviderId,
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(i, s) => new {Provider = i, Status = s})
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.Where(p => p.Status.InitialFailure.HasValue &&
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p.Status.InitialFailure.Value.Before(
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DateTime.UtcNow.AddHours(-6)))
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.ToList();
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if (backOffProviders.Empty())
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{
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return new HealthCheck(GetType());
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}
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if (backOffProviders.Count == enabledProviders.Count)
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{
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return new HealthCheck(GetType(), HealthCheckResult.Error,
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2021-01-09 20:39:30 +00:00
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"All indexers are unavailable due to failures for more than 6 hours", "#indexers_are_unavailable_due_to_failures");
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2020-10-12 18:24:19 +00:00
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}
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return new HealthCheck(GetType(), HealthCheckResult.Warning,
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string.Format("Indexers unavailable due to failures for more than 6 hours: {0}",
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string.Join(", ", backOffProviders.Select(v => v.Provider.Definition.Name))),
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2021-01-09 20:39:30 +00:00
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"#indexers_are_unavailable_due_to_failures");
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2020-10-12 18:24:19 +00:00
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}
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}
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}
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