/// <summary>
///
/// </summary>
/// <param name="baseDirectory"></param>
/// <param name="applicationName"></param>
/// <param name="serviceName"></param>
/// <param name="hostName"></param>
/// <param name="defaultConfiguration">Json configuration sent by the client
/// that represents base configuration for the application. It has lower priority. It can be null.</param>
/// <param name="defaultParameters">Json configuration sent by the client
/// to contain base parameters for the application, it has lower priority. It can be null.</param>
/// <returns></returns>
internal static ComposedConfiguration GetConfig
(
String baseDirectory,
String applicationName,
String serviceName,
String hostName,
MissingParametersAction missingParams,
JObject defaultConfiguration = null,
JObject defaultParameters = null
)
{
DirectoryInfo baseDir = new DirectoryInfo(baseDirectory);
var appDirectory = FileSystem.Instance.RedirectDirectory(
Path.Combine(baseDir.FullName, applicationName)
);
var systemDirectory = Path.Combine(baseDir.FullName, ".system");
if (!Directory.Exists(systemDirectory))
{
Directory.CreateDirectory(systemDirectory);
}
var baseDirLen = Directory.GetParent(appDirectory).FullName.Length;
String baseConfigFileName = Path.Combine(baseDir.FullName, "base.config");
String defaultApplicationBaseConfigFileName = Path.Combine(systemDirectory, applicationName, serviceName, (hostName ?? "") + DateTime.Now.ToString("_yyyyMMdd_hhMMss_fff_") + ".config");
String applicationBaseConfigFileName = Path.Combine(appDirectory, "base.config");
String defaultDirectoryBaseConfigFileName = Path.Combine(appDirectory, "Default", "base.config");
String serviceConfigFileName = Path.Combine(appDirectory, "Default", serviceName + ".config");
//load standard config file
List <ConfigFileInfo> configFiles = new List <ConfigFileInfo>();
if (FileSystem.Instance.FileExists(baseConfigFileName))
{
configFiles.Add(ConfigFileInfo.ForBase(FileSystem.Instance.GetFileContent(baseConfigFileName), baseConfigFileName.Substring(baseDirLen)));
}
//check default configuration file
if (defaultConfiguration != null)
{
FileSystem.Instance.WriteFile(defaultApplicationBaseConfigFileName, defaultConfiguration.ToString());
configFiles.Add(ConfigFileInfo.ForBase(FileSystem.Instance.GetFileContent(defaultApplicationBaseConfigFileName), defaultApplicationBaseConfigFileName.Substring(baseDirLen)));
_logger.InfoFormat("Default File used. App {0} service {1} host {2} content {3}",
applicationName, serviceName, hostName, defaultConfiguration.ToString());
}
if (FileSystem.Instance.FileExists(applicationBaseConfigFileName))
{
configFiles.Add(ConfigFileInfo.ForBase(FileSystem.Instance.GetFileContent(applicationBaseConfigFileName), applicationBaseConfigFileName.Substring(baseDirLen)));
}
if (FileSystem.Instance.FileExists(defaultDirectoryBaseConfigFileName))
{
configFiles.Add(ConfigFileInfo.ForBase(FileSystem.Instance.GetFileContent(defaultDirectoryBaseConfigFileName), defaultDirectoryBaseConfigFileName.Substring(baseDirLen)));
}
if (FileSystem.Instance.FileExists(serviceConfigFileName))
{
configFiles.Add(ConfigFileInfo.ForBase(FileSystem.Instance.GetFileContent(serviceConfigFileName), serviceConfigFileName.Substring(baseDirLen)));
}
//load specific machine configuration files
if (!String.IsNullOrEmpty(hostName))
{
String hostBaseConfigFileName = Path.Combine(appDirectory, hostName, "base.config");
if (FileSystem.Instance.FileExists(hostBaseConfigFileName))
{
configFiles.Add(ConfigFileInfo.ForHostSpecific(FileSystem.Instance.GetFileContent(hostBaseConfigFileName), hostBaseConfigFileName.Substring(baseDirLen), hostName));
}
String hostConfigFileName = Path.Combine(appDirectory, hostName, serviceName + ".config");
if (FileSystem.Instance.FileExists(hostConfigFileName))
{
configFiles.Add(ConfigFileInfo.ForHostSpecific(FileSystem.Instance.GetFileContent(hostConfigFileName), hostBaseConfigFileName.Substring(baseDirLen), hostName));
}
}
if (configFiles.Count == 0)
{
throw new ConfigurationErrorsException("There are no valid config at directory: " + baseDirectory);
}
var baseConfigObject = JsonComposer.ComposeJsonContent(configFiles.ToArray());
String defaultDirectoryBaseParametersFileName = Path.Combine(appDirectory, "Default", "parameters.config");
//then load all parameter files.
var parameterObject = GetParameterObject(
baseDirectory,
applicationName,
serviceName,
hostName,
defaultDirectoryBaseParametersFileName,
defaultConfiguration,
defaultParameters);
//need to return all parameters.
baseConfigObject["jarvis-parameters"] = (JObject)JsonConvert.DeserializeObject(
JsonConvert.SerializeObject(parameterObject));
//Do the substitution
ParameterManager.ReplaceResult replaceResult;
ParameterManager parameterManager;
if (missingParams == MissingParametersAction.Blank)
{
parameterManager = new ParameterManager(String.Empty);
}
else
{
parameterManager = new ParameterManager();
}
while ((replaceResult = parameterManager.ReplaceParameters(baseConfigObject, parameterObject)).HasReplaced)
{
//do nothing, everything is done by the replace parameters routine
}
if (replaceResult.MissingParams.Count > 0)
{
var missingParametersList = replaceResult.MissingParams.Aggregate((s1, s2) => s1 + ", " + s2);
switch (missingParams)
{
case MissingParametersAction.Throw:
throw new ConfigurationErrorsException("Missing parameters: " +
missingParametersList);
case MissingParametersAction.Ignore:
baseConfigObject["jarvis-missing-parameters"] = new JArray(replaceResult.MissingParams);
_logger.DebugFormat("Missing Parameter List {0} but client ask to ignore", missingParametersList);
break;
case MissingParametersAction.Blank:
baseConfigObject["jarvis-missing-parameters"] = new JArray(replaceResult.MissingParams);
break;
}
}
parameterManager.UnescapePercentage(baseConfigObject);
//cleanup file
if (FileSystem.Instance.FileExists(defaultApplicationBaseConfigFileName))
{
FileSystem.Instance.DeleteFile(defaultApplicationBaseConfigFileName);
}
if (FileSystem.Instance.FileExists(defaultDirectoryBaseParametersFileName))
{
FileSystem.Instance.DeleteFile(defaultDirectoryBaseParametersFileName);
}
return(new ComposedConfiguration(baseConfigObject, replaceResult));
}
public static JObject GetParameterObject
(
String baseDirectory,
String applicationName,
String serviceName,
String hostName,
String defaultDirectoryBaseParametersFileName,
JObject defaultConfiguration = null,
JObject defaultParameters = null
)
{
DirectoryInfo baseDir = new DirectoryInfo(baseDirectory);
var appDirectory = FileSystem.Instance.RedirectDirectory(
Path.Combine(baseDir.FullName, applicationName)
);
var systemDirectory = Path.Combine(baseDir.FullName, ".system");
if (!Directory.Exists(systemDirectory))
{
Directory.CreateDirectory(systemDirectory);
}
var baseDirLen = Directory.GetParent(appDirectory).FullName.Length;
//Base file parameters.config
String baseParametersFileName = Path.Combine(baseDir.FullName, "parameters.config");
//base file for application, in base directory called parameters.applicationname.config
String baseApplicationParametersFileName = Path.Combine(baseDir.FullName, "parameters." + applicationName + ".config");
//parameters.config inside the application directory
String applicationBaseParametersFileName = Path.Combine(appDirectory, "parameters.config");
String defaultApplicationBaseParametersFileName = Path.Combine(systemDirectory, applicationName, serviceName, (hostName ?? "") + DateTime.Now.ToString("_yyyyMMdd_hhMMss_fff_") + ".parameters.config");
String serviceParametersFileName = Path.Combine(appDirectory, "Default", serviceName + ".parameters.config");
List <ConfigFileInfo> parametersFiles = new List <ConfigFileInfo>();
//Lower precedence, base parameter file name.
if (FileSystem.Instance.FileExists(baseParametersFileName))
{
parametersFiles.Add(ConfigFileInfo.ForBase(FileSystem.Instance.GetFileContent(baseParametersFileName), baseParametersFileName.Substring(baseDirLen)));
}
//check default parameters file passed by the client
if (defaultParameters != null)
{
FileSystem.Instance.WriteFile(defaultApplicationBaseParametersFileName, defaultParameters.ToString());
parametersFiles.Add(ConfigFileInfo.ForBase(FileSystem.Instance.GetFileContent(defaultApplicationBaseParametersFileName), defaultApplicationBaseParametersFileName.Substring(baseDirLen)));
_logger.InfoFormat("Default Parameters used. App {0} service {1} host {2} content {3}",
applicationName, serviceName, hostName, defaultParameters.ToString());
}
//PAY ATTENTION: base application parameters file name should have higher precedence than client
//passed parameter file.
if (FileSystem.Instance.FileExists(baseApplicationParametersFileName))
{
parametersFiles.Add(ConfigFileInfo.ForBase(FileSystem.Instance.GetFileContent(baseApplicationParametersFileName), baseApplicationParametersFileName.Substring(baseDirLen)));
}
if (FileSystem.Instance.FileExists(applicationBaseParametersFileName))
{
parametersFiles.Add(ConfigFileInfo.ForBase(FileSystem.Instance.GetFileContent(applicationBaseParametersFileName), applicationBaseParametersFileName.Substring(baseDirLen)));
}
if (FileSystem.Instance.FileExists(defaultDirectoryBaseParametersFileName))
{
parametersFiles.Add(ConfigFileInfo.ForBase(FileSystem.Instance.GetFileContent(defaultDirectoryBaseParametersFileName), defaultDirectoryBaseParametersFileName.Substring(baseDirLen)));
}
if (FileSystem.Instance.FileExists(serviceParametersFileName))
{
parametersFiles.Add(ConfigFileInfo.ForBase(FileSystem.Instance.GetFileContent(serviceParametersFileName), serviceParametersFileName.Substring(baseDirLen)));
}
JObject parameterObject;
if (parametersFiles.Count > 0)
{
parameterObject = JsonComposer.ComposeJsonContent(parametersFiles.ToArray());
}
else
{
parameterObject = new JObject();
}
//use base parameters
JObject sysParams = new JObject();
sysParams.Add("appName", applicationName);
sysParams.Add("serviceName", serviceName);
sysParams.Add("hostName", hostName);
parameterObject.Add("sys", sysParams);
return(parameterObject);
}