/// <summary>
/// Creates an Azure database.
/// </summary>
/// <param name="context">The DbContext</param>
/// <param name="azureSqlDatabaseServiceObjective"></param>
/// <param name="connectionString">Optional connection string to use instead of taking it off of <paramref name="context"/></param>
/// <exception cref="System.ArgumentException">Not Azure database based on ConnectionString</exception>
/// <remarks>
/// See https://msdn.microsoft.com/en-us/library/dn268335.aspx for more info.
/// MAXSIZE = ( [ 100 MB | 500 MB ] | [ { 1 | 5 | 10 | 20 | 30 … 150…500 } GB ] )
/// | EDITION = { 'web' | 'business' | 'basic' | 'standard' | 'premium' }
/// | SERVICE_OBJECTIVE = { 'shared' | 'basic' | 'S0' | 'S1' | 'S2' | 'P1' | 'P2' | 'P3' }
/// </remarks>
internal static void CreateAzureDatabase(
this DbContext context,
AzureSqlDatabaseServiceObjective azureSqlDatabaseServiceObjective,
string connectionString = null)
{
if (!context.IsAzureDatabase())
{
throw new ArgumentException("Not Azure database based on ConnectionString");
}
var connstrBldr = new SqlConnectionStringBuilder(connectionString ?? context.Database.Connection.ConnectionString)
{
InitialCatalog = "master"
};
if (azureSqlDatabaseServiceObjective == null)
{
azureSqlDatabaseServiceObjective = new AzureSqlDatabaseServiceObjective("Standard", "S0", 2 * 1024);
}
var databaseName = context.Database.Connection.Database;
var dbCreationCmd = $"CREATE DATABASE [{databaseName}] (MAXSIZE={azureSqlDatabaseServiceObjective.MaxSizeInMegaBytes}MB," +
$"EDITION='{azureSqlDatabaseServiceObjective.Edition}'," +
$"SERVICE_OBJECTIVE='{azureSqlDatabaseServiceObjective.ServiceObjective}')";
// With Azure SQL db V12, database creation TSQL became a sync process.
// So we need a 10 minutes command timeout
ExecuteNonQuery(connstrBldr.ConnectionString, dbCreationCmd, commandTimeout: 600);
context.WaitUntilDatabaseIsCreated(false);
}
/// <summary>
/// Set Azure Databse SKU and Size
/// </summary>
/// <param name="azureSqlDatabaseServiceObjective"></param>
/// <returns></returns>
public CreateAndMigrate <TContext> WithAzureSqlDatabaseServiceObjective(AzureSqlDatabaseServiceObjective azureSqlDatabaseServiceObjective)
{
if (azureSqlDatabaseServiceObjective == null)
{
throw new ArgumentNullException(nameof(azureSqlDatabaseServiceObjective));
}
this.azureSqlDatabaseServiceObjective = azureSqlDatabaseServiceObjective;
return(this);
}
