/// <summary>
/// Initializes a new instance of the <see cref="ConfigServerConfigurationProvider"/> class from a <see cref="ConfigServerConfigurationSource"/>
/// </summary>
/// <param name="source">the <see cref="ConfigServerConfigurationSource"/> the provider uses when accessing the server.</param>
public ConfigNacosConfigurationProvider(ConfigNacosConfigurationSource source)
: this(source.DefaultSettings, source.ClientFactory, source.Processor, source.LogFactory)
{
var root = source.Configuration as IConfigurationRoot;
_configuration = WrapWithPlaceholderResolver(source.Configuration);
ConfigurationSettingsHelper.Initialize(PREFIX, _settings, _configuration);
}
//[Obsolete("Will be removed in next release, use the ConfigServerConfigurationSource")]
//public virtual IConfigurationProvider Build(IConfigurationBuilder builder)
//{
// ConfigurationBuilder config = new ConfigurationBuilder();
// foreach (IConfigurationSource s in builder.Sources)
// {
// if (s == this)
// {
// break;
// }
// config.Add(s);
// }
// _configuration = WrapWithPlaceholderResolver(config.Build());
// ConfigurationSettingsHelper.Initialize(PREFIX, _settings, _configuration);
// return this;
//}
internal void Load(bool updateDictionary = true)
{
// Refresh settings with latest configuration values
ConfigurationSettingsHelper.Initialize(PREFIX, _settings, _configuration);
if (!_settings.Enabled)
{
_logger?.LogInformation("Config Server client disabled, did not fetch configuration!");
return;
//return null;
}
//if (IsDiscoveryFirstEnabled())
//{
// var discoveryService = new ConfigServerDiscoveryService(_configuration, _settings, _loggerFactory);
// DiscoverServerInstances(discoveryService);
//}
// Adds client settings (e.g spring:cloud:config:uri, etc) to the Data dictionary
AddConfigServerClientSettings();
//if (_settings.RetryEnabled && _settings.FailFast)
//{
// var attempts = 0;
// var backOff = _settings.RetryInitialInterval;
// do
// {
// _logger?.LogInformation("Fetching config from server at: {0}", _settings.Uri);
// try
// {
// return DoLoad(updateDictionary);
// }
// catch (ConfigNacosException e)
// {
// _logger?.LogInformation("Failed fetching config from server at: {0}, Exception: {1}", _settings.Uri, e);
// attempts++;
// if (attempts < _settings.RetryAttempts)
// {
// Thread.CurrentThread.Join(backOff);
// var nextBackoff = (int)(backOff * _settings.RetryMultiplier);
// backOff = Math.Min(nextBackoff, _settings.RetryMaxInterval);
// }
// else
// {
// throw;
// }
// }
// }
// while (true);
//}
//else
//{
_logger?.LogInformation("Fetching config from server at: {0}", _settings.ServerAddr);
DoLoad(updateDictionary);
//return
//}
}
public IConfigurationProvider Build(IConfigurationBuilder builder)
{
ConfigurationBuilder config = new ConfigurationBuilder();
foreach (IConfigurationSource s in builder.Sources)
{
if (s == this)
{
break;
}
config.Add(s);
}
_configuration = WrapWithPlaceholderResolver(config.Build());
ConfigurationSettingsHelper.Initialize(PREFIX, _settings, _configuration);
return(this);
}
