debug

Signed-off-by: Yuta Iwama <ganmacs@gmail.com>

Rakefile

@@ -34,7 +34,8 @@ Rake::TestTask.new(:base_test) do |t|
   t.test_files = if ENV["WIN_RAPID"]
                    ["test/test_event.rb", "test/test_supervisor.rb", "test/plugin_helper/test_event_loop.rb"]
                  else
-                   tests = Dir["test/**/test_*.rb"].sort
+                   # tests = Dir["test/**/test_*.rb"].sort
+                   tests = Dir["test/command/test_fluentd.rb"].sort
                    if Process.uid.zero?
                      puts "test_file_util.rb for non-root user env. Disable this test on root environment"
                      tests.delete("test/plugin/test_file_util.rb")

lib/fluent/supervisor.rb

@@ -668,6 +668,10 @@ def supervise
       fluentd_spawn_cmd += $fluentdargv
       fluentd_spawn_cmd << "--under-supervisor"
 
+      puts nil, '<============================================================ OUTPUT START HERE'
+      p fluentd_spawn_cmd
+      puts '<============================================================ OUTPUT CLOSE HERE', nil
+
       $log.info "spawn command to main: ", cmdline: fluentd_spawn_cmd
 
       params = {

test/command/test_fluentd.rb

@@ -54,10 +54,10 @@ def execute_command(cmdline, chdir=TMP_DIR, env = {})
     null_stream = File.open(File::NULL, 'w')
     gemfile_path = File.expand_path(File.dirname(__FILE__) + "../../../Gemfile")
 
-    env = { "BUNDLE_GEMFILE" => gemfile_path }.merge(env)
+    env.merge!({ "BUNDLE_GEMFILE" => gemfile_path })
     cmdname = cmdline.shift
     arg0 = "testing-fluentd"
-    # p(here: "executing process", env: env, cmdname: cmdname, arg0: arg0, args: cmdline)
+    p(here: "executing process", env: env, cmdname: cmdname, arg0: arg0, args: cmdline)
     IO.popen(env, [[cmdname, arg0], *cmdline], chdir: chdir, err: [:child, :out]) do |io|
       pid = io.pid
       begin
@@ -116,6 +116,10 @@ def assert_log_matches(cmdline, *pattern_list, patterns_not_match: [], timeout:
       assert_error_msg = "unexpected error in launching fluentd: #{e.inspect}\n" + stdio_buf
     end
 
+    puts nil, '<============================================================ OUTPUT START HERE'
+    p stdio_buf
+    puts '<============================================================ OUTPUT CLOSE HERE', nil
+
     if matched
       assert matched, assert_error_msg
     else
@@ -784,6 +788,9 @@ def multi_workers_ready?
     end
 
     test "multiple values are set to RUBYOPT" do
+      require 'logger'
+      lo = ServerEngine::DaemonLogger.new(STDOUT, log_level: ServerEngine::DaemonLogger::INFO)
+      $log = Fluent::Log.new(lo)
       conf = <<CONF
 <source>
   @type dummy