unkin-agent
3b416c7fb2
Timer-driven library tasks fire on every replica, so a library refresh or a database optimise runs once per pod against the same shared library. - add IScanLeaderLease with a Redis TTL implementation and a no-op default - skip timer-driven runs of the gated tasks on instances without the lease - treat an unreachable Redis as holding the lease so tasks never stop running - leave manual and API-triggered runs ungated
17 lines
606 B
C#
17 lines
606 B
C#
using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Controller.ScheduledTasks;
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/// <summary>
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/// A no-op <see cref="IScanLeaderLease"/> used when scan-leader election is disabled or no Redis
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/// connection is configured. Every instance is treated as the leader, preserving the default
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/// single-instance behavior where all periodic tasks run locally.
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/// </summary>
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public sealed class NullScanLeaderLease : IScanLeaderLease
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{
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/// <inheritdoc />
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public Task<bool> TryAcquireOrRenewAsync(CancellationToken cancellationToken = default)
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=> Task.FromResult(true);
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}
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