/// <summary>
/// Checks for the existence of a specific Azure Sql Database, if it doesn't exist it will create it.
/// </summary>
/// <param name="client">The <see cref="SqlManagementClient"/> that is performing the operation.</param>
/// <param name="serverName">The name of the server that we want to use to create the database.</param>
/// <param name="databaseName">The name of the database we are creating.</param>
/// <param name="databaseEdition">The edition of the database we are creating.</param>
/// <param name="collationName">The database collation name.</param>
/// <param name="sizeInGb">The maximum database size in GB.</param>
/// <param name="createAppUser"></param>
/// <returns>The async <see cref="Task"/> wrapper.</returns>
public static async Task CreateDatabaseIfNotExistsAsync(
this SqlManagementClient client,
string serverName,
string databaseName,
string databaseEdition,
string collationName,
int sizeInGb,
bool createAppUser)
{
Contract.Requires(client != null);
Contract.Requires(!string.IsNullOrWhiteSpace(serverName));
Contract.Requires(!string.IsNullOrWhiteSpace(databaseName));
Contract.Requires(!string.IsNullOrWhiteSpace(databaseEdition));
Contract.Requires(!string.IsNullOrWhiteSpace(collationName));
Contract.Requires(sizeInGb > 0 && sizeInGb <= 250);
DatabaseGetResponse ns = null;
FlexStreams.BuildEventsObserver.OnNext(new CheckIfExistsEvent(AzureResource.SqlDatabase, databaseName));
try
{
ns = await client.Databases.GetAsync(serverName, databaseName);
}
catch (CloudException cex)
{
if (!cex.Error.Message.Contains($"Resource with the name '{databaseName}' does not exist"))
{
throw;
}
}
if (ns != null)
{
FlexStreams.BuildEventsObserver.OnNext(new FoundExistingEvent(AzureResource.SqlDatabase, databaseName));
return;
}
await client.Databases.CreateAsync(
serverName,
new DatabaseCreateParameters
{
Name = databaseName,
Edition = databaseEdition,
CollationName = collationName,
MaximumDatabaseSizeInGB = sizeInGb,
});
FlexStreams.BuildEventsObserver.OnNext(new ProvisionEvent(AzureResource.SqlDatabase, databaseName));
if (!createAppUser)
{
return;
}
using (var adb = new DevOpsAzureDatabase(serverName, databaseName, FlexConfiguration.FlexSaUser, FlexConfiguration.FlexSaPwd))
{
await adb.CreateDatabaseUserAsync(FlexConfiguration.FlexAppUser, FlexConfiguration.FlexAppUser, "dbo");
}
}
/// <summary>
/// Checks for the existence of a specific Azure Sql Database, if it doesn't exist it will create it.
/// </summary>
/// <param name="client">The <see cref="SqlManagementClient"/> that is performing the operation.</param>
/// <param name="serverName">The name of the server that we want to use to create the database.</param>
/// <param name="databaseName">The name of the database we are creating.</param>
/// <param name="databaseEdition">The edition of the database we are creating.</param>
/// <param name="collationName">The database collation name.</param>
/// <param name="sizeInGb">The maximum database size in GB.</param>
/// <param name="createAppUser"></param>
/// <returns>The async <see cref="Task"/> wrapper.</returns>
public static async Task CreateDatabaseIfNotExistsAsync(
this SqlManagementClient client,
string serverName,
string databaseName,
string databaseEdition,
string collationName,
int sizeInGb,
bool createAppUser)
{
Contract.Requires(client != null);
Contract.Requires(!string.IsNullOrWhiteSpace(serverName));
Contract.Requires(!string.IsNullOrWhiteSpace(databaseName));
Contract.Requires(!string.IsNullOrWhiteSpace(databaseEdition));
Contract.Requires(!string.IsNullOrWhiteSpace(collationName));
Contract.Requires(sizeInGb > 0 && sizeInGb <= 250);
DatabaseGetResponse ns = null;
FlexStreams.BuildEventsObserver.OnNext(new CheckIfExistsEvent(AzureResource.SqlDatabase, databaseName));
try
{
ns = await client.Databases.GetAsync(serverName, databaseName);
}
catch (CloudException cex)
{
if (!cex.Error.Message.Contains($"Resource with the name '{databaseName}' does not exist")) throw;
}
if (ns != null)
{
FlexStreams.BuildEventsObserver.OnNext(new FoundExistingEvent(AzureResource.SqlDatabase, databaseName));
return;
}
await client.Databases.CreateAsync(
serverName,
new DatabaseCreateParameters
{
Name = databaseName,
Edition = databaseEdition,
CollationName = collationName,
MaximumDatabaseSizeInGB = sizeInGb,
});
FlexStreams.BuildEventsObserver.OnNext(new ProvisionEvent(AzureResource.SqlDatabase, databaseName));
if (!createAppUser) return;
using (var adb = new DevOpsAzureDatabase(serverName, databaseName, FlexConfiguration.FlexSaUser, FlexConfiguration.FlexSaPwd))
{
await adb.CreateDatabaseUserAsync(FlexConfiguration.FlexAppUser, FlexConfiguration.FlexAppUser, "dbo");
}
}
