internal static IReadOnlyCollection <IOTelExtension> TryLoadPlugins(JsonConfigurationSource pluginsConfig)
{
if (pluginsConfig == null)
{
return(ArrayHelper.Empty <IOTelExtension>());
}
var targetFramework = FrameworkDescription.Instance.TargetFramework;
Log.Debug("Executing plugins configuration: {0}", pluginsConfig);
Log.Information("Trying to load plugins with target framework '{0}'.", targetFramework);
string[] pluginFiles;
try
{
// TODO: Here additional metadata could be loaded (eg: for security and integrity)
// instead of just string path
pluginFiles = pluginsConfig.GetValue <JToken>($"['{targetFramework}']").ToObject <string[]>();
}
catch (ArgumentException ex)
{
Log.Warning(ex, "Could not parse list of plugin paths. Invalid plugin configuration provided.");
return(ArrayHelper.Empty <IOTelExtension>());
}
if (pluginFiles == null || !pluginFiles.Any())
{
Log.Information("Skipping plugins load. Could not find any plugins with target framework '{0}'.", targetFramework);
return(ArrayHelper.Empty <IOTelExtension>());
}
var loadedPlugins = TryLoadPlugins(pluginFiles);
Log.Information("Successfully loaded '{0}' plugin(s).", property: loadedPlugins.Count);
return(loadedPlugins);
}