public async Task <(ConfigItemsCollection Configs, DateTime?LastModified)> GetConfiguration()
{
var conf = new Dictionary <string, ConfigItem>(StringComparer.OrdinalIgnoreCase);
DateTime?latestConfigFileModifyTime = null;
foreach (var configFile in _configurationLocations.ConfigFileDeclarations.SelectMany(FindConfigFiles))
{
var modifyTime = await ReadConfiguration(configFile, conf).ConfigureAwait(false);
if (latestConfigFileModifyTime == null || modifyTime > latestConfigFileModifyTime)
{
latestConfigFileModifyTime = modifyTime;
}
}
var collection = new ConfigItemsCollection(conf.Values);
var notFoundEnvVariables = new List <string>();
foreach (var configItem in collection.Items)
{
var list = paramMatcher.Matches(configItem.RawValue)
.Cast <Match>()
.Select(match => new
{
Placehodler = "%" + match.Groups[1].Value + "%",
Value = _environment[match.Groups[1].Value.ToUpperInvariant()]
}).ToList();
if (list.Any())
{
var notFound = list.Where(a => string.IsNullOrEmpty(a.Value)).Select(a => a.Placehodler.Trim('%')).ToArray();
if (!notFound.Any())
{
foreach (var valToReplace in list)
{
configItem.Value = configItem.Value.Replace(valToReplace.Placehodler, valToReplace.Value);
}
}
else
{
notFoundEnvVariables.AddRange(notFound);
}
}
}
if (notFoundEnvVariables.Any())
{
throw new EnvironmentException("Configuration is dependent on following enviroment variables:" + string.Join("\n", notFoundEnvVariables) + "\n but they are not set.");
}
// return merged configuration
return(collection, latestConfigFileModifyTime);
}
public async Task <ConfigItemsCollection> GetConfiguration()
{
var conf = new Dictionary <string, ConfigItem>();
foreach (var configFile in _configurationLocations.ConfigFileDeclarations.SelectMany(FindConfigFiles))
{
await ReadConfiguration(configFile, conf).ConfigureAwait(false);
}
var collection = new ConfigItemsCollection(conf.Values);
var notFoundEnvVariables = new List <string>();
foreach (var configItem in collection.Items)
{
var list = paramMatcher.Matches(configItem.RawValue)
.Cast <Match>()
.Select(match => new
{
Placehodler = "%" + match.Groups[1].Value + "%",
Value = _environmentVariableProvider.GetEnvironmentVariable(match.Groups[1].Value)
}).ToList();
if (list.Any())
{
var notFound = list.Where(a => string.IsNullOrEmpty(a.Value)).Select(a => a.Placehodler.Trim('%')).ToArray();
if (!notFound.Any())
{
foreach (var valToReplace in list)
{
configItem.Value = configItem.Value.Replace(valToReplace.Placehodler, valToReplace.Value);
}
}
else
{
notFoundEnvVariables.AddRange(notFound);
}
}
}
if (notFoundEnvVariables.Any())
{
throw new EnvironmentException("Configuration is dependent on following enviroment variables:" + string.Join("\n", notFoundEnvVariables) + "\n but they are not set.");
}
// return merged configuration
return(collection);
}