74 lines
3.2 KiB
C#
74 lines
3.2 KiB
C#
using System;
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using System.Linq;
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using MediaBrowser.Common.Configuration;
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using Microsoft.Extensions.Logging;
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namespace Jellyfin.Server.Migrations
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{
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/// <summary>
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/// The class that knows which migrations to apply and how to apply them.
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/// </summary>
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public sealed class MigrationRunner
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{
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/// <summary>
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/// The list of known migrations, in order of applicability.
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/// </summary>
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internal static readonly IMigrationRoutine[] Migrations =
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{
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new Routines.DisableTranscodingThrottling(),
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new Routines.CreateUserLoggingConfigFile()
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};
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/// <summary>
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/// Run all needed migrations.
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/// </summary>
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/// <param name="host">CoreAppHost that hosts current version.</param>
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/// <param name="loggerFactory">Factory for making the logger.</param>
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public static void Run(CoreAppHost host, ILoggerFactory loggerFactory)
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{
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var logger = loggerFactory.CreateLogger<MigrationRunner>();
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var migrationOptions = ((IConfigurationManager)host.ServerConfigurationManager).GetConfiguration<MigrationOptions>(MigrationsListStore.StoreKey);
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if (!host.ServerConfigurationManager.Configuration.IsStartupWizardCompleted && migrationOptions.Applied.Count == 0)
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{
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// If startup wizard is not finished, this is a fresh install.
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// Don't run any migrations, just mark all of them as applied.
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logger.LogInformation("Marking all known migrations as applied because this is a fresh install");
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migrationOptions.Applied.AddRange(Migrations.Select(m => (m.Id, m.Name)));
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host.ServerConfigurationManager.SaveConfiguration(MigrationsListStore.StoreKey, migrationOptions);
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return;
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}
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var appliedMigrationIds = migrationOptions.Applied.Select(m => m.Id).ToHashSet();
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for (var i = 0; i < Migrations.Length; i++)
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{
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var migrationRoutine = Migrations[i];
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if (appliedMigrationIds.Contains(migrationRoutine.Id))
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{
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logger.LogDebug("Skipping migration '{Name}' since it is already applied", migrationRoutine.Name);
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continue;
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}
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logger.LogInformation("Applying migration '{Name}'", migrationRoutine.Name);
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try
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{
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migrationRoutine.Perform(host, logger);
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}
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catch (Exception ex)
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{
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logger.LogError(ex, "Could not apply migration '{Name}'", migrationRoutine.Name);
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throw;
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}
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// Mark the migration as completed
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logger.LogInformation("Migration '{Name}' applied successfully", migrationRoutine.Name);
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migrationOptions.Applied.Add((migrationRoutine.Id, migrationRoutine.Name));
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host.ServerConfigurationManager.SaveConfiguration(MigrationsListStore.StoreKey, migrationOptions);
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logger.LogDebug("Migration '{Name}' marked as applied in configuration.", migrationRoutine.Name);
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}
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}
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}
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}
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