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Updated Migration EventHandler and PendingMigrationChecker

pull/32/head
Galip Tolga Erdem 5 years ago
parent
e16dd600fe
commit
1028a0ce35
7 changed files with 519 additions and 246 deletions
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  1. 188
      shared/EShopOnAbp.Shared.Hosting.Microservices/DbMigrations/DatabaseMigrationEventHandlerBase.cs
  2. 188
      shared/EShopOnAbp.Shared.Hosting.Microservices/DbMigrations/EfCore/DatabaseEfCoreMigrationEventHandler.cs
  3. 67
      shared/EShopOnAbp.Shared.Hosting.Microservices/DbMigrations/EfCore/PendingEfCoreMigrationsChecker.cs
  4. 204
      shared/EShopOnAbp.Shared.Hosting.Microservices/DbMigrations/MongoDb/DatabaseMongoDbMigrationEventHandler.cs
  5. 52
      shared/EShopOnAbp.Shared.Hosting.Microservices/DbMigrations/MongoDb/PendingMongoDbMigrationsChecker.cs
  6. 65
      shared/EShopOnAbp.Shared.Hosting.Microservices/DbMigrations/PendingMigrationsCheckerBase.cs
  7. 1
      shared/EShopOnAbp.Shared.Hosting.Microservices/EShopOnAbp.Shared.Hosting.Microservices.csproj

188
shared/EShopOnAbp.Shared.Hosting.Microservices/DbMigrations/DatabaseMigrationEventHandlerBase.cs
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@ -1,185 +1,7 @@
using System; using Volo.Abp.DependencyInjection;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Abstractions;
using Serilog;
using Volo.Abp;
using Volo.Abp.Data;
using Volo.Abp.DependencyInjection;
using Volo.Abp.Domain.Entities.Events.Distributed;
using Volo.Abp.EntityFrameworkCore;
using Volo.Abp.EventBus.Distributed;
using Volo.Abp.MultiTenancy;
using Volo.Abp.Uow;
namespace EShopOnAbp.Shared.Hosting.Microservices.DbMigrations namespace EShopOnAbp.Shared.Hosting.Microservices.DbMigrations;
public abstract class DatabaseMigrationEventHandlerBase : ITransientDependency
{ {
public abstract class DatabaseMigrationEventHandlerBase<TDbContext> : }
ITransientDependency
where TDbContext : DbContext, IEfCoreDbContext
{
protected const string TryCountPropertyName = "TryCount";
protected const int MaxEventTryCount = 3;
protected ICurrentTenant CurrentTenant { get; }
protected IUnitOfWorkManager UnitOfWorkManager { get; }
protected ITenantStore TenantStore { get; }
protected IDistributedEventBus DistributedEventBus { get; }
protected ILogger<DatabaseMigrationEventHandlerBase<TDbContext>> Logger { get; set; }
protected string DatabaseName { get; }
protected DatabaseMigrationEventHandlerBase(
ICurrentTenant currentTenant,
IUnitOfWorkManager unitOfWorkManager,
ITenantStore tenantStore,
IDistributedEventBus distributedEventBus,
string databaseName)
{
CurrentTenant = currentTenant;
UnitOfWorkManager = unitOfWorkManager;
TenantStore = tenantStore;
DatabaseName = databaseName;
DistributedEventBus = distributedEventBus;
Logger = NullLogger<DatabaseMigrationEventHandlerBase<TDbContext>>.Instance;
}
/// <summary>
/// Apply pending EF Core schema migrations to the database.
/// Returns true if any migration has applied.
/// </summary>
protected virtual async Task<bool> MigrateDatabaseSchemaAsync(Guid? tenantId)
{
var result = false;
using (CurrentTenant.Change(tenantId))
{
using (var uow = UnitOfWorkManager.Begin(requiresNew: true, isTransactional: false))
{
async Task<bool> MigrateDatabaseSchemaWithDbContextAsync()
{
var dbContext = await uow.ServiceProvider
.GetRequiredService<IDbContextProvider<TDbContext>>()
.GetDbContextAsync();
if ((await dbContext.Database.GetPendingMigrationsAsync()).Any())
{
await dbContext.Database.MigrateAsync();
return true;
}
return false;
}
if (tenantId == null)
{
//Migrating the host database
result = await MigrateDatabaseSchemaWithDbContextAsync();
}
else
{
var tenantConfiguration = await TenantStore.FindAsync(tenantId.Value);
if (!tenantConfiguration.ConnectionStrings.Default.IsNullOrWhiteSpace() ||
!tenantConfiguration.ConnectionStrings.GetOrDefault(DatabaseName).IsNullOrWhiteSpace())
{
//Migrating the tenant database (only if tenant has a separate database)
result = await MigrateDatabaseSchemaWithDbContextAsync();
}
}
await uow.CompleteAsync();
}
}
return result;
}
protected virtual async Task HandleErrorOnApplyDatabaseMigrationAsync(
ApplyDatabaseMigrationsEto eventData,
Exception exception)
{
var tryCount = IncrementEventTryCount(eventData);
if (tryCount <= MaxEventTryCount)
{
Log.Warning($"Could not apply database migrations. Re-queueing the operation. TenantId = {eventData.TenantId}, Database Name = {eventData.DatabaseName}.");
Log.Error(exception.ToString());
await Task.Delay(RandomHelper.GetRandom(5000, 15000));
Log.Warning("Re publishing the event!");
await DistributedEventBus.PublishAsync(eventData);
}
else
{
Log.Error($"Could not apply database migrations. Canceling the operation. TenantId = {eventData.TenantId}, DatabaseName = {eventData.DatabaseName}.");
Log.Error(exception.ToString());
}
}
protected virtual async Task HandleErrorTenantCreatedAsync(
TenantCreatedEto eventData,
Exception exception)
{
var tryCount = IncrementEventTryCount(eventData);
if (tryCount <= MaxEventTryCount)
{
Logger.LogWarning($"Could not perform tenant created event. Re-queueing the operation. TenantId = {eventData.Id}, TenantName = {eventData.Name}.");
Logger.LogException(exception, LogLevel.Warning);
await Task.Delay(RandomHelper.GetRandom(5000, 15000));
await DistributedEventBus.PublishAsync(eventData);
}
else
{
Logger.LogError($"Could not perform tenant created event. Canceling the operation. TenantId = {eventData.Id}, TenantName = {eventData.Name}.");
Logger.LogException(exception);
}
}
protected virtual async Task HandleErrorTenantConnectionStringUpdatedAsync(
TenantConnectionStringUpdatedEto eventData,
Exception exception)
{
var tryCount = IncrementEventTryCount(eventData);
if (tryCount <= MaxEventTryCount)
{
Logger.LogWarning($"Could not perform tenant connection string updated event. Re-queueing the operation. TenantId = {eventData.Id}, TenantName = {eventData.Name}.");
Logger.LogException(exception, LogLevel.Warning);
await Task.Delay(RandomHelper.GetRandom(5000, 15000));
await DistributedEventBus.PublishAsync(eventData);
}
else
{
Logger.LogError($"Could not perform tenant connection string updated event. Canceling the operation. TenantId = {eventData.Id}, TenantName = {eventData.Name}.");
Logger.LogException(exception);
}
}
private static int GetEventTryCount(EtoBase eventData)
{
var tryCountAsString = eventData.Properties.GetOrDefault(TryCountPropertyName);
if (tryCountAsString.IsNullOrEmpty())
{
return 0;
}
return int.Parse(tryCountAsString);
}
private static void SetEventTryCount(EtoBase eventData, int count)
{
eventData.Properties[TryCountPropertyName] = count.ToString();
}
private static int IncrementEventTryCount(EtoBase eventData)
{
var count = GetEventTryCount(eventData) + 1;
SetEventTryCount(eventData, count);
return count;
}
}
}

188
shared/EShopOnAbp.Shared.Hosting.Microservices/DbMigrations/EfCore/DatabaseEfCoreMigrationEventHandler.cs
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@ -0,0 +1,188 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Abstractions;
using Serilog;
using Volo.Abp;
using Volo.Abp.Data;
using Volo.Abp.Domain.Entities.Events.Distributed;
using Volo.Abp.EntityFrameworkCore;
using Volo.Abp.EventBus.Distributed;
using Volo.Abp.MultiTenancy;
using Volo.Abp.Uow;
namespace EShopOnAbp.Shared.Hosting.Microservices.DbMigrations.EfCore;
public abstract class DatabaseEfCoreMigrationEventHandler<TDbContext> : DatabaseMigrationEventHandlerBase
where TDbContext : DbContext, IEfCoreDbContext
{
protected const string TryCountPropertyName = "TryCount";
protected const int MaxEventTryCount = 3;
protected ICurrentTenant CurrentTenant { get; }
protected IUnitOfWorkManager UnitOfWorkManager { get; }
protected ITenantStore TenantStore { get; }
protected IDistributedEventBus DistributedEventBus { get; }
protected ILogger<DatabaseEfCoreMigrationEventHandler<TDbContext>> Logger { get; set; }
protected string DatabaseName { get; }
protected DatabaseEfCoreMigrationEventHandler(
ICurrentTenant currentTenant,
IUnitOfWorkManager unitOfWorkManager,
ITenantStore tenantStore,
IDistributedEventBus distributedEventBus,
string databaseName)
{
CurrentTenant = currentTenant;
UnitOfWorkManager = unitOfWorkManager;
TenantStore = tenantStore;
DatabaseName = databaseName;
DistributedEventBus = distributedEventBus;
Logger = NullLogger<DatabaseEfCoreMigrationEventHandler<TDbContext>>.Instance;
}
/// <summary>
/// Apply pending EF Core schema migrations to the database.
/// Returns true if any migration has applied.
/// </summary>
protected virtual async Task<bool> MigrateDatabaseSchemaAsync(Guid? tenantId)
{
var result = false;
using (CurrentTenant.Change(tenantId))
{
using (var uow = UnitOfWorkManager.Begin(requiresNew: true, isTransactional: false))
{
async Task<bool> MigrateDatabaseSchemaWithDbContextAsync()
{
var dbContext = await uow.ServiceProvider
.GetRequiredService<IDbContextProvider<TDbContext>>()
.GetDbContextAsync();
if ((await dbContext.Database.GetPendingMigrationsAsync()).Any())
{
await dbContext.Database.MigrateAsync();
return true;
}
return false;
}
if (tenantId == null)
{
//Migrating the host database
result = await MigrateDatabaseSchemaWithDbContextAsync();
}
else
{
var tenantConfiguration = await TenantStore.FindAsync(tenantId.Value);
if (!tenantConfiguration.ConnectionStrings.Default.IsNullOrWhiteSpace() ||
!tenantConfiguration.ConnectionStrings.GetOrDefault(DatabaseName).IsNullOrWhiteSpace())
{
//Migrating the tenant database (only if tenant has a separate database)
result = await MigrateDatabaseSchemaWithDbContextAsync();
}
}
await uow.CompleteAsync();
}
}
return result;
}
protected virtual async Task HandleErrorOnApplyDatabaseMigrationAsync(
ApplyDatabaseMigrationsEto eventData,
Exception exception)
{
var tryCount = IncrementEventTryCount(eventData);
if (tryCount <= MaxEventTryCount)
{
Log.Warning(
$"Could not apply database migrations. Re-queueing the operation. TenantId = {eventData.TenantId}, Database Name = {eventData.DatabaseName}.");
Log.Error(exception.ToString());
await Task.Delay(RandomHelper.GetRandom(5000, 15000));
Log.Warning("Re publishing the event!");
await DistributedEventBus.PublishAsync(eventData);
}
else
{
Log.Error(
$"Could not apply database migrations. Canceling the operation. TenantId = {eventData.TenantId}, DatabaseName = {eventData.DatabaseName}.");
Log.Error(exception.ToString());
}
}
protected virtual async Task HandleErrorTenantCreatedAsync(
TenantCreatedEto eventData,
Exception exception)
{
var tryCount = IncrementEventTryCount(eventData);
if (tryCount <= MaxEventTryCount)
{
Logger.LogWarning(
$"Could not perform tenant created event. Re-queueing the operation. TenantId = {eventData.Id}, TenantName = {eventData.Name}.");
Logger.LogException(exception, LogLevel.Warning);
await Task.Delay(RandomHelper.GetRandom(5000, 15000));
await DistributedEventBus.PublishAsync(eventData);
}
else
{
Logger.LogError(
$"Could not perform tenant created event. Canceling the operation. TenantId = {eventData.Id}, TenantName = {eventData.Name}.");
Logger.LogException(exception);
}
}
protected virtual async Task HandleErrorTenantConnectionStringUpdatedAsync(
TenantConnectionStringUpdatedEto eventData,
Exception exception)
{
var tryCount = IncrementEventTryCount(eventData);
if (tryCount <= MaxEventTryCount)
{
Logger.LogWarning(
$"Could not perform tenant connection string updated event. Re-queueing the operation. TenantId = {eventData.Id}, TenantName = {eventData.Name}.");
Logger.LogException(exception, LogLevel.Warning);
await Task.Delay(RandomHelper.GetRandom(5000, 15000));
await DistributedEventBus.PublishAsync(eventData);
}
else
{
Logger.LogError(
$"Could not perform tenant connection string updated event. Canceling the operation. TenantId = {eventData.Id}, TenantName = {eventData.Name}.");
Logger.LogException(exception);
}
}
private static int GetEventTryCount(EtoBase eventData)
{
var tryCountAsString = eventData.Properties.GetOrDefault(TryCountPropertyName);
if (tryCountAsString.IsNullOrEmpty())
{
return 0;
}
return int.Parse(tryCountAsString);
}
private static void SetEventTryCount(EtoBase eventData, int count)
{
eventData.Properties[TryCountPropertyName] = count.ToString();
}
private static int IncrementEventTryCount(EtoBase eventData)
{
var count = GetEventTryCount(eventData) + 1;
SetEventTryCount(eventData, count);
return count;
}
}

67
shared/EShopOnAbp.Shared.Hosting.Microservices/DbMigrations/EfCore/PendingEfCoreMigrationsChecker.cs
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@ -0,0 +1,67 @@
using System;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Volo.Abp.Data;
using Volo.Abp.EventBus.Distributed;
using Volo.Abp.MultiTenancy;
using Volo.Abp.Uow;
namespace EShopOnAbp.Shared.Hosting.Microservices.DbMigrations.EfCore;
public abstract class PendingEfCoreMigrationsChecker<TDbContext> : PendingMigrationsCheckerBase
where TDbContext : DbContext
{
protected IUnitOfWorkManager UnitOfWorkManager { get; }
protected IServiceProvider ServiceProvider { get; }
protected ICurrentTenant CurrentTenant { get; }
protected IDistributedEventBus DistributedEventBus { get; }
protected string DatabaseName { get; }
protected PendingEfCoreMigrationsChecker(
IUnitOfWorkManager unitOfWorkManager,
IServiceProvider serviceProvider,
ICurrentTenant currentTenant,
IDistributedEventBus distributedEventBus,
string databaseName)
{
UnitOfWorkManager = unitOfWorkManager;
ServiceProvider = serviceProvider;
CurrentTenant = currentTenant;
DistributedEventBus = distributedEventBus;
DatabaseName = databaseName;
}
public virtual async Task<bool> CheckAsync()
{
var isMigrationRequired = false;
using (CurrentTenant.Change(null))
{
// Create database tables if needed
using (var uow = UnitOfWorkManager.Begin(requiresNew: true, isTransactional: false))
{
var pendingMigrations = await ServiceProvider
.GetRequiredService<TDbContext>()
.Database
.GetPendingMigrationsAsync();
if (pendingMigrations.Any())
{
await DistributedEventBus.PublishAsync(
new ApplyDatabaseMigrationsEto
{
DatabaseName = DatabaseName
}
);
isMigrationRequired = true;
}
await uow.CompleteAsync();
}
return isMigrationRequired;
}
}
}

204
shared/EShopOnAbp.Shared.Hosting.Microservices/DbMigrations/MongoDb/DatabaseMongoDbMigrationEventHandler.cs
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@ -0,0 +1,204 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Abstractions;
using MongoDB.Driver;
using Volo.Abp;
using Volo.Abp.Data;
using Volo.Abp.Domain.Entities.Events.Distributed;
using Volo.Abp.EventBus.Distributed;
using Volo.Abp.MongoDB;
using Volo.Abp.MultiTenancy;
using Volo.Abp.Uow;
namespace EShopOnAbp.Shared.Hosting.Microservices.DbMigrations.MongoDb;
public abstract class DatabaseMongoDbMigrationEventHandler<TDbContext> : DatabaseMigrationEventHandlerBase
where TDbContext : AbpMongoDbContext, IAbpMongoDbContext
{
protected const string TryCountPropertyName = "TryCount";
protected const int MaxEventTryCount = 3;
protected ICurrentTenant CurrentTenant { get; }
protected IUnitOfWorkManager UnitOfWorkManager { get; }
protected ITenantStore TenantStore { get; }
protected IDistributedEventBus DistributedEventBus { get; }
protected ILogger<DatabaseMongoDbMigrationEventHandler<TDbContext>> Logger { get; set; }
protected IServiceProvider ServiceProvider { get; }
protected string DatabaseName { get; }
protected DatabaseMongoDbMigrationEventHandler(
ICurrentTenant currentTenant,
IUnitOfWorkManager unitOfWorkManager,
ITenantStore tenantStore,
IDistributedEventBus distributedEventBus,
string databaseName, IServiceProvider serviceProvider)
{
CurrentTenant = currentTenant;
UnitOfWorkManager = unitOfWorkManager;
TenantStore = tenantStore;
DatabaseName = databaseName;
ServiceProvider = serviceProvider;
DistributedEventBus = distributedEventBus;
Logger = NullLogger<DatabaseMongoDbMigrationEventHandler<TDbContext>>.Instance;
}
/// <summary>
/// Apply pending EF Core schema migrations to the database.
/// Returns true if any migration has applied.
/// </summary>
protected virtual async Task<bool> MigrateDatabaseSchemaAsync(Guid? tenantId)
{
var result = false;
using (CurrentTenant.Change(tenantId))
{
using (var uow = UnitOfWorkManager.Begin(requiresNew: true, isTransactional: false))
{
async Task<bool> MigrateDatabaseSchemaWithDbContextAsync()
{
var dbContexts = ServiceProvider.GetServices<IAbpMongoDbContext>();
var connectionStringResolver = ServiceProvider.GetRequiredService<IConnectionStringResolver>();
foreach (var dbContext in dbContexts)
{
var connectionString =
await connectionStringResolver.ResolveAsync(
ConnectionStringNameAttribute.GetConnStringName(dbContext.GetType()));
if (connectionString.IsNullOrWhiteSpace())
{
continue;
}
var mongoUrl = new MongoUrl(connectionString);
var databaseName = mongoUrl.DatabaseName;
var client = new MongoClient(mongoUrl);
if (databaseName.IsNullOrWhiteSpace())
{
databaseName = ConnectionStringNameAttribute.GetConnStringName(dbContext.GetType());
}
(dbContext as AbpMongoDbContext)?.InitializeCollections(client.GetDatabase(databaseName));
}
return true;
}
if (tenantId == null)
{
//Migrating the host database
result = await MigrateDatabaseSchemaWithDbContextAsync();
}
else
{
var tenantConfiguration = await TenantStore.FindAsync(tenantId.Value);
if (!tenantConfiguration.ConnectionStrings.Default.IsNullOrWhiteSpace() ||
!tenantConfiguration.ConnectionStrings.GetOrDefault(DatabaseName).IsNullOrWhiteSpace())
{
//Migrating the tenant database (only if tenant has a separate database)
result = await MigrateDatabaseSchemaWithDbContextAsync();
}
}
await uow.CompleteAsync();
}
}
return result;
}
protected virtual async Task HandleErrorOnApplyDatabaseMigrationAsync(
ApplyDatabaseMigrationsEto eventData,
Exception exception)
{
var tryCount = IncrementEventTryCount(eventData);
if (tryCount <= MaxEventTryCount)
{
Logger.LogWarning(
$"Could not apply database migrations. Re-queueing the operation. TenantId = {eventData.TenantId}, Database Name = {eventData.DatabaseName}.");
Logger.LogException(exception, LogLevel.Warning);
await Task.Delay(RandomHelper.GetRandom(5000, 15000));
await DistributedEventBus.PublishAsync(eventData);
}
else
{
Logger.LogError(
$"Could not apply database migrations. Canceling the operation. TenantId = {eventData.TenantId}, DatabaseName = {eventData.DatabaseName}.");
Logger.LogException(exception);
}
}
protected virtual async Task HandleErrorTenantCreatedAsync(
TenantCreatedEto eventData,
Exception exception)
{
var tryCount = IncrementEventTryCount(eventData);
if (tryCount <= MaxEventTryCount)
{
Logger.LogWarning(
$"Could not perform tenant created event. Re-queueing the operation. TenantId = {eventData.Id}, TenantName = {eventData.Name}.");
Logger.LogException(exception, LogLevel.Warning);
await Task.Delay(RandomHelper.GetRandom(5000, 15000));
await DistributedEventBus.PublishAsync(eventData);
}
else
{
Logger.LogError(
$"Could not perform tenant created event. Canceling the operation. TenantId = {eventData.Id}, TenantName = {eventData.Name}.");
Logger.LogException(exception);
}
}
protected virtual async Task HandleErrorTenantConnectionStringUpdatedAsync(
TenantConnectionStringUpdatedEto eventData,
Exception exception)
{
var tryCount = IncrementEventTryCount(eventData);
if (tryCount <= MaxEventTryCount)
{
Logger.LogWarning(
$"Could not perform tenant connection string updated event. Re-queueing the operation. TenantId = {eventData.Id}, TenantName = {eventData.Name}.");
Logger.LogException(exception, LogLevel.Warning);
await Task.Delay(RandomHelper.GetRandom(5000, 15000));
await DistributedEventBus.PublishAsync(eventData);
}
else
{
Logger.LogError(
$"Could not perform tenant connection string updated event. Canceling the operation. TenantId = {eventData.Id}, TenantName = {eventData.Name}.");
Logger.LogException(exception);
}
}
private static int GetEventTryCount(EtoBase eventData)
{
var tryCountAsString = eventData.Properties.GetOrDefault(TryCountPropertyName);
if (tryCountAsString.IsNullOrEmpty())
{
return 0;
}
return int.Parse(tryCountAsString);
}
private static void SetEventTryCount(EtoBase eventData, int count)
{
eventData.Properties[TryCountPropertyName] = count.ToString();
}
private static int IncrementEventTryCount(EtoBase eventData)
{
var count = GetEventTryCount(eventData) + 1;
SetEventTryCount(eventData, count);
return count;
}
}

52
shared/EShopOnAbp.Shared.Hosting.Microservices/DbMigrations/MongoDb/PendingMongoDbMigrationsChecker.cs
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@ -0,0 +1,52 @@
using System;
using System.Threading.Tasks;
using Volo.Abp.Data;
using Volo.Abp.EventBus.Distributed;
using Volo.Abp.MongoDB;
using Volo.Abp.MultiTenancy;
using Volo.Abp.Uow;
namespace EShopOnAbp.Shared.Hosting.Microservices.DbMigrations;
public class PendingMongoDbMigrationsChecker<TDbContext> : PendingMigrationsCheckerBase
where TDbContext : AbpMongoDbContext
{
protected IUnitOfWorkManager UnitOfWorkManager { get; }
protected IServiceProvider ServiceProvider { get; }
protected ICurrentTenant CurrentTenant { get; }
protected IDistributedEventBus DistributedEventBus { get; }
protected string DatabaseName { get; }
protected PendingMongoDbMigrationsChecker(
IUnitOfWorkManager unitOfWorkManager,
IServiceProvider serviceProvider,
ICurrentTenant currentTenant,
IDistributedEventBus distributedEventBus,
string databaseName)
{
UnitOfWorkManager = unitOfWorkManager;
ServiceProvider = serviceProvider;
CurrentTenant = currentTenant;
DistributedEventBus = distributedEventBus;
DatabaseName = databaseName;
}
public virtual async Task CheckAsync()
{
using (CurrentTenant.Change(null))
{
// Create database tables if needed
using (var uow = UnitOfWorkManager.Begin(requiresNew: true, isTransactional: false))
{
await DistributedEventBus.PublishAsync(
new ApplyDatabaseMigrationsEto
{
DatabaseName = DatabaseName
}
);
await uow.CompleteAsync();
}
}
}
}

65
shared/EShopOnAbp.Shared.Hosting.Microservices/DbMigrations/PendingMigrationsCheckerBase.cs
View File

@ -1,69 +1,8 @@
using System; using Volo.Abp.DependencyInjection;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Volo.Abp.Data;
using Volo.Abp.DependencyInjection;
using Volo.Abp.EventBus.Distributed;
using Volo.Abp.MultiTenancy;
using Volo.Abp.Uow;
namespace EShopOnAbp.Shared.Hosting.Microservices.DbMigrations namespace EShopOnAbp.Shared.Hosting.Microservices.DbMigrations
{ {
public abstract class PendingMigrationsCheckerBase<TDbContext> : ITransientDependency public abstract class PendingMigrationsCheckerBase : ITransientDependency
where TDbContext : DbContext
{ {
protected IUnitOfWorkManager UnitOfWorkManager { get; }
protected IServiceProvider ServiceProvider { get; }
protected ICurrentTenant CurrentTenant { get; }
protected IDistributedEventBus DistributedEventBus { get; }
protected string DatabaseName { get; }
protected PendingMigrationsCheckerBase(
IUnitOfWorkManager unitOfWorkManager,
IServiceProvider serviceProvider,
ICurrentTenant currentTenant,
IDistributedEventBus distributedEventBus,
string databaseName)
{
UnitOfWorkManager = unitOfWorkManager;
ServiceProvider = serviceProvider;
CurrentTenant = currentTenant;
DistributedEventBus = distributedEventBus;
DatabaseName = databaseName;
}
public virtual async Task<bool> CheckAsync()
{
var isMigrationRequired = false;
using (CurrentTenant.Change(null))
{
// Create database tables if needed
using (var uow = UnitOfWorkManager.Begin(requiresNew: true, isTransactional: false))
{
var pendingMigrations = await ServiceProvider
.GetRequiredService<TDbContext>()
.Database
.GetPendingMigrationsAsync();
if (pendingMigrations.Any())
{
await DistributedEventBus.PublishAsync(
new ApplyDatabaseMigrationsEto
{
DatabaseName = DatabaseName
}
);
isMigrationRequired = true;
}
await uow.CompleteAsync();
}
return isMigrationRequired;
}
}
} }
} }

1
shared/EShopOnAbp.Shared.Hosting.Microservices/EShopOnAbp.Shared.Hosting.Microservices.csproj
View File

@ -12,6 +12,7 @@
<PackageReference Include="Microsoft.AspNetCore.DataProtection.StackExchangeRedis" Version="6.0.0" /> <PackageReference Include="Microsoft.AspNetCore.DataProtection.StackExchangeRedis" Version="6.0.0" />
<PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="6.0.0" /> <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="6.0.0" />
<PackageReference Include="Swashbuckle.AspNetCore" Version="6.2.1" /> <PackageReference Include="Swashbuckle.AspNetCore" Version="6.2.1" />
<PackageReference Include="Volo.Abp.MongoDB" Version="5.0.0-rc.1" />
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>

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