/// <summary>
/// Use an arbitrary template to generate an SQL script.
/// </summary>
/// <param name="configFile"></param>
public static void GenerateScript(Configs.InitialConfig config, string templateFileName)
{
string templateContents = Generators.GetTemplateContents(templateFileName);
// get the list of all placeholders in the template
var matches = Regex.Matches(templateContents, @"{{\s*([^}]+)\s*}}");
var matchPlaceholders = new List <string>(); // contains replacement placeholders like {{loggingAzStorageContainerUrl}}
// process placeholders one by one
foreach (Match match in matches)
{
string placeholder = match.Value;
if (matchPlaceholders.Contains(placeholder))
{
continue; // ignore repeating placeholders
}
matchPlaceholders.Add(placeholder); // add it to the list so we don't process it multiple times
try
{
// replace all instances with the value from config
string matchValue = (string)config.GetType().GetField(match.Groups[1].Value).GetValue(config);
templateContents = templateContents.Replace(placeholder, matchValue, StringComparison.Ordinal);
}
catch (Exception ex)
{
Program.WriteLine();
Program.WriteLine($"Variable has no matching config entry: {placeholder}.", ConsoleColor.Red);
Program.ExitApp();
}
}
string fileSuffix = string.Format(Program.FileNames.OutputFileNameMaskRunOnMirror, config.mirrorDB, "x", "x");
string outputFileName = $"{Path.GetFileNameWithoutExtension(templateFileName)}__{fileSuffix}{fileExtSQL}";
Generators.SaveGeneratedScript(templateContents, outputFileName, 0);
}
/// <summary>
/// Generates *CREATE MASTER KEY* statements
/// </summary>
/// <param name="configFile"></param>
public static void CreateExternalDataSource(Configs.CreateExternalDataSource[] config)
{
// load data
Configs.CreateExternalDataSource sharedConfig = new Configs.CreateExternalDataSource();
string templateContents = Generators.GetTemplateContents("CreateExternalDataSource.txt");
// generate output one file at a time
for (int i = 0; i < config.Length; i++)
{
// merge with the previous full version of the config
sharedConfig = (Configs.CreateExternalDataSource)config[i].Merge(sharedConfig).Clone();
// there may be 2 loops if it generates scripts for mutual access
for (int j = 0; j < 2; j++)
{
// interpolate
string outputContents = string.Format(templateContents,
config[i].localDB, config[i].externalDB,
config[i].serverName, config[i].credential);
string outputFileName = $"CreateExternalDataSource__{config[i].localDB}__{config[i].externalDB}__x{fileExtSQL}";
Generators.SaveGeneratedScript(outputContents, outputFileName, i);
// exit the loop now if the data source is not reciprocal - one way only
if (config[i].twoway != "1" || j == 1)
{
break;
}
// or swap the DBs if it's two-way generation
string ldb = config[i].localDB;
config[i].localDB = config[i].externalDB;
config[i].externalDB = ldb;
}
}
}
static void Main(string[] args)
{
Program.WriteLine($"AzurePoolCrossDbGenerator started in {Directory.GetCurrentDirectory()} with params:");
string command = (args.Length > 0) ? args[0]?.Trim().ToLowerInvariant() : ""; // must be a valid command
Program.WriteLine($"Command: {command}");
string paramTemplate = null, paramConfig = null, paramGrepFileName = null, paramTargetDir = null, paramRunOn = null, paramCSLatest = null, paramCSBase = null,
paramFileWithListOfItems = null;
// extract additional params
for (int i = 1; i < args.Length - 1; i++)
{
switch (args[i])
{
case "-t":
{
paramTemplate = args[i + 1];
Program.WriteLine($"Template: {paramTemplate}");
break;
}
case "-c":
{
paramConfig = args[i + 1];
Program.WriteLine($"Config: {paramConfig}");
break;
}
case "-g":
{
paramGrepFileName = args[i + 1];
Program.WriteLine($"Grep: {paramGrepFileName}");
break;
}
case "-d":
{
paramTargetDir = args[i + 1];
Program.WriteLine($"Target dir: {paramTargetDir}");
break;
}
case "-o":
{
paramRunOn = args[i + 1];
Program.WriteLine($"Run on: {paramRunOn}");
break;
}
case "-csl":
{
paramCSLatest = args[i + 1];
Program.WriteLine($"Connection string, DB to extract from: {paramCSLatest}");
break;
}
case "-csb":
{
paramCSBase = args[i + 1];
Program.WriteLine($"Connection string, DB to compare to: {paramCSBase}");
break;
}
case "-l":
{
paramFileWithListOfItems = args[i + 1];
Program.WriteLine($"File with list of items: {paramFileWithListOfItems}");
break;
}
}
}
// validate the params
if (string.IsNullOrEmpty(command))
{
PrintWelcomeMsg();
}
// call the handler for the command
switch (command)
{
case Commands.GenerateBlankConfigFiles:
{
Generators.GenerateBlankConfigs();
break;
}
case Commands.GenerateSecondaryConfigFiles:
{
Generators.GenerateSecondaryConfigFiles(Configs.InitialConfig.Load(paramConfig));
break;
}
case Commands.GenerateMasterKeys:
{
Generators.CreateMasterKey(Configs.CreateMasterKey.Load(paramConfig));
break;
}
case Commands.GenerateExternalDataSources:
{
Generators.CreateExternalDataSource(Configs.CreateExternalDataSource.Load(paramConfig));
break;
}
case Commands.ScriptGenerationForTablesAnsSPs:
{
Generators.GenerateScript(Configs.AllTables.Load(paramConfig), paramTemplate, paramRunOn);
break;
}
case Commands.ScriptGenerationGeneric:
{
Generators.GenerateScript(Configs.InitialConfig.Load(paramConfig), paramTemplate);
break;
}
case Commands.ScriptGenerationExtractFromDb:
{
Generators.ExtractScriptsFromDb(paramCSLatest, paramCSBase, paramFileWithListOfItems);
break;
}
case Commands.AltTableColumnTypes:
{
Generators.GenerateAltColumnsScript(Configs.AllTables.Load(paramConfig));
break;
}
case Commands.GenerateSqlCmdBatch:
{
Generators.GenerateSqlCmdBatch(Configs.InitialConfig.Load(paramConfig), paramTargetDir, paramRunOn);
break;
}
case Commands.ReplaceInSqlFiles:
{
Generators.SearchAndReplace(Configs.InitialConfig.Load(paramConfig), paramGrepFileName, paramTemplate);
break;
}
default:
{
PrintWelcomeMsg();
break;
}
}
ExitApp(0);
}
