daemon: setup global logger on Windows

Signed-off-by: Shizuo Fujita <fujita@clear-code.com>

lib/fluent/daemon.rb

@@ -10,4 +10,23 @@
 server_module = Fluent.const_get(ARGV[0])
 worker_module = Fluent.const_get(ARGV[1])
 params = JSON.parse(ARGV[2])
+
+# Invoke Fluent::Supervisor#configure to setup global logger
+opts = {
+  daemonize: params["daemonize"],
+  inline_config: params["inline_config"],
+  config_path: params["fluentd_conf_path"],
+  conf_encoding: params["conf_encoding"],
+  config_file_type: params["config_file_type"].to_sym,
+  log_path: params["log_path"],
+  log_rotate_age: params["log_rotate_age"],
+  log_rotate_size: params["log_rotate_size"],
+  log_level: params["log_level"],
+  use_v1_config: params["use_v1_config"],
+  chuser: params["chuser"],
+  chgroup: params["chgroup"],
+}
+server = Fluent::Supervisor.new(opts)
+server.configure
+
 ServerEngine::Daemon.run_server(server_module, worker_module) { Fluent::Supervisor.serverengine_config(params) }