public bool Execute(ApplyTaskConfiguration configuration, GusTaskExecutionContext context)
{
var databaseHelper = new DatabaseHelper(context);
var fileSystemHelper = new FileSystemHelper(context);
var connection = databaseHelper.CreateAndOpenConnection(configuration.Server);
if (connection == null)
{
return false;
}
var serverConnection = new ServerConnection(connection);
var server = new Server(serverConnection);
var database = databaseHelper.InitializeDatabase(server, configuration.Database, configuration.CreateDatabaseIfMissing, configuration.CreateDatabaseIfMissing || configuration.CreateManagementSchemaIfMissing);
if (database == null)
{
return false;
}
context.RaiseExecutionEvent("Determining scripts to apply.");
var scriptsToApply = GetScriptsToApply(configuration.SourcePath, database, databaseHelper, fileSystemHelper);
if (scriptsToApply == null)
{
return false;
}
context.ExecutionStepCount = (uint)scriptsToApply.Count;
context.RaiseExecutionEvent(string.Format("Found {0} scripts to apply.", scriptsToApply.Count));
var success = ApplyScripts(scriptsToApply, server, database, databaseHelper, fileSystemHelper, configuration.RecordOnly, context, configuration.HaltOnError);
return success;
}
private static ICollection<FileInfo> GetScriptsToApply(string sourcePath, Database database, DatabaseHelper databaseHelper, FileSystemHelper fileSystemHelper)
{
var scriptFiles = fileSystemHelper.GetScriptFiles(sourcePath);
if (scriptFiles == null)
{
return null;
}
var previouslyAppliedScripts = databaseHelper.GetPreviouslyAppliedScripts(database);
var appliedScriptsLookup = previouslyAppliedScripts.ToDictionary(x => x.Filename, x => x.Hash);
return scriptFiles.Where(x => !appliedScriptsLookup.ContainsKey(x.Name)).OrderBy(x => x.Name).ToList();
}
private static bool ApplyScripts(IEnumerable<FileInfo> scriptsToApply, Server server, Database database, DatabaseHelper databaseHelper, FileSystemHelper fileSystemHelper, bool recordOnly, GusTaskExecutionContext context, bool haltOnError)
{
uint index = 0;
var hasErrors = false;
foreach (var script in scriptsToApply)
{
++index;
server.ConnectionContext.BeginTransaction();
try
{
context.RaiseExecutionEvent(ExecutionEventType.Default, string.Format("Applying script '{0}'.", script.Name), index);
var hash = fileSystemHelper.GetFileHash(script);
if (!recordOnly)
{
using (var sr = script.OpenText())
{
database.ExecuteNonQuery(sr.ReadToEnd());
}
}
databaseHelper.RecordScript(database, script.Name, hash);
server.ConnectionContext.CommitTransaction();
context.RaiseExecutionEvent(ExecutionEventType.Success, string.Format("Applied script '{0}'.", script.Name), index);
}
catch (FailedOperationException ex)
{
server.ConnectionContext.RollBackTransaction();
Exception sqlException = FindSqlException(ex);
var exceptionMessage = (sqlException ?? ex).Message;
context.RaiseExecutionEvent(ExecutionEventType.Error, string.Format("Error applying script '{0}': {1}", script.Name, exceptionMessage), index);
if (haltOnError)
{
return false;
}
hasErrors = true;
}
}
return !hasErrors;
}
public bool Execute(StatusTaskConfiguration configuration, GusTaskExecutionContext context)
{
var databaseHelper = new DatabaseHelper(context);
var fileSystemHelper = new FileSystemHelper(context);
var connection = databaseHelper.CreateAndOpenConnection(configuration.Server);
if (connection == null)
{
return false;
}
var serverConnection = new ServerConnection(connection);
var server = new Server(serverConnection);
var database = databaseHelper.InitializeDatabase(server, configuration.Database, false, false);
if (database == null)
{
return false;
}
context.RaiseExecutionEvent("Determining scripts not yet applied.");
var scriptsToApply = GetScriptsToApply(configuration.SourcePath, database, databaseHelper, fileSystemHelper);
if (scriptsToApply == null)
{
return false;
}
context.ExecutionStepCount = (uint)scriptsToApply.Count;
context.RaiseExecutionEvent(string.Format("Found {0} scripts not yet applied.", scriptsToApply.Count));
foreach (var script in scriptsToApply)
{
context.RaiseExecutionEvent(ExecutionEventType.Default, script.Name);
}
return true;
}
