added functionality for the "--dont-use-log-files" flag (#7185)

Author: Nikita-Levuskin

ydb/public/tools/lib/cmds/__init__.py

@@ -388,7 +388,6 @@ def deploy(arguments):
             'mon_port': node.mon_port,
             'command': node.command,
             'cwd': node.cwd,
-            'stdin_file': node.stdin_file_name,
             'stderr_file': node.stderr_file_name,
             'stdout_file': node.stdout_file_name,
             'pdisks': [
@@ -471,7 +470,6 @@ def start(arguments):
         files = {}
         if node_meta['stderr_file'] is not None and os.path.exists(node_meta['stderr_file']):
             files = {
-                'stdin_file': node_meta['stdin_file'],
                 'stderr_file': node_meta['stderr_file'],
                 'stdout_file': node_meta['stdout_file'],
             }

ydb/tests/library/harness/daemon.py

@@ -59,7 +59,6 @@ def __init__(
         command,
         cwd,
         timeout,
-        stdin_file=yatest_common.work_path('stdin'),
         stdout_file=yatest_common.work_path('stdout'),
         stderr_file=yatest_common.work_path('stderr'),
         stderr_on_error_lines=0,
@@ -73,21 +72,13 @@ def __init__(
         self.killed = False
         self.__core_pattern = core_pattern
         self.logger = logger.getChild(self.__class__.__name__)
-        self.__stdout_file = open(stdout_file, mode='w+b')
-        self.__stdin_file = open(stdin_file, mode='w+b')
-        self.__stderr_file = open(stderr_file, mode='w+b')
+        self.__stdout_file = open(stdout_file, mode='wb')
+        self.__stderr_file = open(stderr_file, mode='wb')
 
     @property
     def daemon(self):
         return self.__daemon
 
-    @property
-    def stdin_file_name(self):
-        if self.__stdin_file is not sys.stdin:
-            return os.path.abspath(self.__stdin_file.name)
-        else:
-            return None
-
     @property
     def stdout_file_name(self):
         if self.__stdout_file is not sys.stdout:
@@ -115,7 +106,6 @@ def start(self):
             self.__command,
             check_exit_code=False,
             cwd=self.__cwd,
-            stdin=self.__stdin_file,
             stdout=self.__stdout_file,
             stderr=stderr_stream,
             wait=False,

ydb/tests/library/harness/kikimr_runner.py

@@ -77,10 +77,15 @@ def __init__(self, node_id, config_path, port_allocator, cluster_name, configura
 
         if configurator.use_log_files:
             self.__log_file = tempfile.NamedTemporaryFile(dir=self.cwd, prefix="logfile_", suffix=".log", delete=False)
+            kwargs = {}
         else:
             self.__log_file = None
+            kwargs = {
+                "stdout_file": "/dev/stdout",
+                "stderr_file": "/dev/stderr"
+                }
 
-        daemon.Daemon.__init__(self, self.command, cwd=self.cwd, timeout=180, stderr_on_error_lines=240)
+        daemon.Daemon.__init__(self, self.command, cwd=self.cwd, timeout=180, stderr_on_error_lines=240, **kwargs)
         self.__binary_path = None
 
     @property