diff --git a/cfg_checker/common/settings.py b/cfg_checker/common/settings.py
new file mode 100644
index 0000000..cea1f0c
--- /dev/null
+++ b/cfg_checker/common/settings.py
@@ -0,0 +1,107 @@
+import os
+
+from exception import ConfigException
+from log import logger
+from other import utils
+
+pkg_dir = os.path.dirname(__file__)
+pkg_dir = os.path.join(pkg_dir, os.pardir, os.pardir)
+pkg_dir = os.path.normpath(pkg_dir)
+pkg_dir = os.path.abspath(pkg_dir)
+
+_default_work_folder = os.path.normpath(pkg_dir)
+
+
+class CheckerConfiguration(object):
+    def _init_values(self):
+        """Load values from environment variables or put default ones
+        """
+
+        self.name = "CheckerConfig"
+        self.working_folder = os.environ.get(
+            'CFG_TESTS_WORK_DIR',
+            _default_work_folder
+        )
+        self.date_format = "%Y-%m-%d %H:%M:%S.%f%z"
+        self.default_tz = "UTC"
+
+        self.salt_host = os.environ.get('SALT_URL', None)
+        self.salt_port = os.environ.get('SALT_PORT', '6969')
+        self.salt_user = os.environ.get('SALT_USER', 'salt')
+        self.salt_pass = os.environ.get('SALT_PASSWORD', None)
+        self.salt_timeout = os.environ.get('SALT_TIMEOUT', 30)
+        self.salt_file_root = os.environ.get('SALT_FILE_ROOT', None)
+        self.salt_scripts_folder = os.environ.get(
+            'SALT_SCRIPTS_FOLDER',
+            'cfg_checker_scripts'
+        )
+        self.all_nodes = utils.get_nodes_list(
+            os.environ.get('CFG_ALL_NODES', None),
+            os.environ.get('SALT_NODE_LIST_FILE', None)
+        )
+        self.skip_nodes = utils.node_string_to_list(os.environ.get(
+            'CFG_SKIP_NODES',
+            None
+        ))
+
+    @staticmethod
+    def _init_env(env_name=None):
+        """[summary]
+
+        Keyword Arguments:
+            env_name {str} -- environment name to search configuration
+                files in etc/<env_name>.env (default: {None})
+
+        Raises:
+            ConfigException -- on IO error when loading env file
+            ConfigException -- on env file failed validation
+        """
+        # load env file as init os.environment with its values
+        if env_name is None:
+            _env_name = 'default'
+        else:
+            _env_name = env_name
+        _config_path = os.path.join(pkg_dir, 'etc', _env_name + '.env')
+        if os.path.isfile(_config_path):
+            with open(_config_path) as _f:
+                _list = _f.read().splitlines()
+            logger.debug("Loading env vars from '{}'".format(_config_path))
+        else:
+            raise ConfigException(
+                "Failed to load enviroment vars from '{}'".format(
+                    _config_path
+                )
+            )
+        for index in range(len(_list)):
+            _line = _list[index]
+            # skip comments
+            if _line.strip().startswith('#'):
+                continue
+            # validate
+            _errors = []
+            if _line.find('=') < 0 or _line.count('=') > 1:
+                _errors.append("Line {}: {}".format(index, _line))
+            else:
+                # save values
+                _t = _line.split('=')
+                _key, _value = _t[0], _t[1]
+                os.environ[_key] = _value
+        # if there was errors, report them
+        if _errors:
+            raise ConfigException(
+                "Environment file failed validation in lines: {}".format(
+                    "\n".join(_errors)
+                )
+            )
+        else:
+            logger.debug("Loaded total of '{}' vars".format(len(_list)))
+
+    def __init__(self):
+        """Base configuration class. Only values that are common for all scripts
+        """
+        _env = os.getenv('SALT_ENV', None)
+        self._init_env(_env)
+        self._init_values()
+
+
+config = CheckerConfiguration()