feat: add json and simple log formatter

poetry.lock

@@ -927,26 +927,18 @@ pyyaml = [
     {file = "PyYAML-5.4.1-cp27-cp27mu-manylinux1_x86_64.whl", hash = "sha256:bb4191dfc9306777bc594117aee052446b3fa88737cd13b7188d0e7aa8162185"},
     {file = "PyYAML-5.4.1-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:6c78645d400265a062508ae399b60b8c167bf003db364ecb26dcab2bda048253"},
     {file = "PyYAML-5.4.1-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:4e0583d24c881e14342eaf4ec5fbc97f934b999a6828693a99157fde912540cc"},
-    {file = "PyYAML-5.4.1-cp36-cp36m-manylinux2014_aarch64.whl", hash = "sha256:72a01f726a9c7851ca9bfad6fd09ca4e090a023c00945ea05ba1638c09dc3347"},
-    {file = "PyYAML-5.4.1-cp36-cp36m-manylinux2014_s390x.whl", hash = "sha256:895f61ef02e8fed38159bb70f7e100e00f471eae2bc838cd0f4ebb21e28f8541"},
     {file = "PyYAML-5.4.1-cp36-cp36m-win32.whl", hash = "sha256:3bd0e463264cf257d1ffd2e40223b197271046d09dadf73a0fe82b9c1fc385a5"},
     {file = "PyYAML-5.4.1-cp36-cp36m-win_amd64.whl", hash = "sha256:e4fac90784481d221a8e4b1162afa7c47ed953be40d31ab4629ae917510051df"},
     {file = "PyYAML-5.4.1-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:5accb17103e43963b80e6f837831f38d314a0495500067cb25afab2e8d7a4018"},
     {file = "PyYAML-5.4.1-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:e1d4970ea66be07ae37a3c2e48b5ec63f7ba6804bdddfdbd3cfd954d25a82e63"},
-    {file = "PyYAML-5.4.1-cp37-cp37m-manylinux2014_aarch64.whl", hash = "sha256:cb333c16912324fd5f769fff6bc5de372e9e7a202247b48870bc251ed40239aa"},
-    {file = "PyYAML-5.4.1-cp37-cp37m-manylinux2014_s390x.whl", hash = "sha256:fe69978f3f768926cfa37b867e3843918e012cf83f680806599ddce33c2c68b0"},
     {file = "PyYAML-5.4.1-cp37-cp37m-win32.whl", hash = "sha256:dd5de0646207f053eb0d6c74ae45ba98c3395a571a2891858e87df7c9b9bd51b"},
     {file = "PyYAML-5.4.1-cp37-cp37m-win_amd64.whl", hash = "sha256:08682f6b72c722394747bddaf0aa62277e02557c0fd1c42cb853016a38f8dedf"},
     {file = "PyYAML-5.4.1-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:d2d9808ea7b4af864f35ea216be506ecec180628aced0704e34aca0b040ffe46"},
     {file = "PyYAML-5.4.1-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:8c1be557ee92a20f184922c7b6424e8ab6691788e6d86137c5d93c1a6ec1b8fb"},
-    {file = "PyYAML-5.4.1-cp38-cp38-manylinux2014_aarch64.whl", hash = "sha256:fd7f6999a8070df521b6384004ef42833b9bd62cfee11a09bda1079b4b704247"},
-    {file = "PyYAML-5.4.1-cp38-cp38-manylinux2014_s390x.whl", hash = "sha256:bfb51918d4ff3d77c1c856a9699f8492c612cde32fd3bcd344af9be34999bfdc"},
     {file = "PyYAML-5.4.1-cp38-cp38-win32.whl", hash = "sha256:fa5ae20527d8e831e8230cbffd9f8fe952815b2b7dae6ffec25318803a7528fc"},
     {file = "PyYAML-5.4.1-cp38-cp38-win_amd64.whl", hash = "sha256:0f5f5786c0e09baddcd8b4b45f20a7b5d61a7e7e99846e3c799b05c7c53fa696"},
     {file = "PyYAML-5.4.1-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:294db365efa064d00b8d1ef65d8ea2c3426ac366c0c4368d930bf1c5fb497f77"},
     {file = "PyYAML-5.4.1-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:74c1485f7707cf707a7aef42ef6322b8f97921bd89be2ab6317fd782c2d53183"},
-    {file = "PyYAML-5.4.1-cp39-cp39-manylinux2014_aarch64.whl", hash = "sha256:d483ad4e639292c90170eb6f7783ad19490e7a8defb3e46f97dfe4bacae89122"},
-    {file = "PyYAML-5.4.1-cp39-cp39-manylinux2014_s390x.whl", hash = "sha256:fdc842473cd33f45ff6bce46aea678a54e3d21f1b61a7750ce3c498eedfe25d6"},
     {file = "PyYAML-5.4.1-cp39-cp39-win32.whl", hash = "sha256:49d4cdd9065b9b6e206d0595fee27a96b5dd22618e7520c33204a4a3239d5b10"},
     {file = "PyYAML-5.4.1-cp39-cp39-win_amd64.whl", hash = "sha256:c20cfa2d49991c8b4147af39859b167664f2ad4561704ee74c1de03318e898db"},
     {file = "PyYAML-5.4.1.tar.gz", hash = "sha256:607774cbba28732bfa802b54baa7484215f530991055bb562efbed5b2f20a45e"},
@@ -967,29 +959,22 @@ requests = [
     {file = "ruamel.yaml.clib-0.2.2-cp27-cp27mu-manylinux1_x86_64.whl", hash = "sha256:73b3d43e04cc4b228fa6fa5d796409ece6fcb53a6c270eb2048109cbcbc3b9c2"},
     {file = "ruamel.yaml.clib-0.2.2-cp35-cp35m-macosx_10_6_intel.whl", hash = "sha256:53b9dd1abd70e257a6e32f934ebc482dac5edb8c93e23deb663eac724c30b026"},
     {file = "ruamel.yaml.clib-0.2.2-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:839dd72545ef7ba78fd2aa1a5dd07b33696adf3e68fae7f31327161c1093001b"},
-    {file = "ruamel.yaml.clib-0.2.2-cp35-cp35m-manylinux2014_aarch64.whl", hash = "sha256:1236df55e0f73cd138c0eca074ee086136c3f16a97c2ac719032c050f7e0622f"},
     {file = "ruamel.yaml.clib-0.2.2-cp35-cp35m-win32.whl", hash = "sha256:b1e981fe1aff1fd11627f531524826a4dcc1f26c726235a52fcb62ded27d150f"},
     {file = "ruamel.yaml.clib-0.2.2-cp35-cp35m-win_amd64.whl", hash = "sha256:4e52c96ca66de04be42ea2278012a2342d89f5e82b4512fb6fb7134e377e2e62"},
     {file = "ruamel.yaml.clib-0.2.2-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:a873e4d4954f865dcb60bdc4914af7eaae48fb56b60ed6daa1d6251c72f5337c"},
     {file = "ruamel.yaml.clib-0.2.2-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:ab845f1f51f7eb750a78937be9f79baea4a42c7960f5a94dde34e69f3cce1988"},
-    {file = "ruamel.yaml.clib-0.2.2-cp36-cp36m-manylinux2014_aarch64.whl", hash = "sha256:2fd336a5c6415c82e2deb40d08c222087febe0aebe520f4d21910629018ab0f3"},
     {file = "ruamel.yaml.clib-0.2.2-cp36-cp36m-win32.whl", hash = "sha256:e9f7d1d8c26a6a12c23421061f9022bb62704e38211fe375c645485f38df34a2"},
     {file = "ruamel.yaml.clib-0.2.2-cp36-cp36m-win_amd64.whl", hash = "sha256:2602e91bd5c1b874d6f93d3086f9830f3e907c543c7672cf293a97c3fabdcd91"},
     {file = "ruamel.yaml.clib-0.2.2-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:44c7b0498c39f27795224438f1a6be6c5352f82cb887bc33d962c3a3acc00df6"},
     {file = "ruamel.yaml.clib-0.2.2-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:8e8fd0a22c9d92af3a34f91e8a2594eeb35cba90ab643c5e0e643567dc8be43e"},
-    {file = "ruamel.yaml.clib-0.2.2-cp37-cp37m-manylinux2014_aarch64.whl", hash = "sha256:75f0ee6839532e52a3a53f80ce64925ed4aed697dd3fa890c4c918f3304bd4f4"},
     {file = "ruamel.yaml.clib-0.2.2-cp37-cp37m-win32.whl", hash = "sha256:464e66a04e740d754170be5e740657a3b3b6d2bcc567f0c3437879a6e6087ff6"},
     {file = "ruamel.yaml.clib-0.2.2-cp37-cp37m-win_amd64.whl", hash = "sha256:52ae5739e4b5d6317b52f5b040b1b6639e8af68a5b8fd606a8b08658fbd0cab5"},
     {file = "ruamel.yaml.clib-0.2.2-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:4df5019e7783d14b79217ad9c56edf1ba7485d614ad5a385d1b3c768635c81c0"},
     {file = "ruamel.yaml.clib-0.2.2-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:5254af7d8bdf4d5484c089f929cb7f5bafa59b4f01d4f48adda4be41e6d29f99"},
-    {file = "ruamel.yaml.clib-0.2.2-cp38-cp38-manylinux2014_aarch64.whl", hash = "sha256:8be05be57dc5c7b4a0b24edcaa2f7275866d9c907725226cdde46da09367d923"},
     {file = "ruamel.yaml.clib-0.2.2-cp38-cp38-win32.whl", hash = "sha256:74161d827407f4db9072011adcfb825b5258a5ccb3d2cd518dd6c9edea9e30f1"},
     {file = "ruamel.yaml.clib-0.2.2-cp38-cp38-win_amd64.whl", hash = "sha256:058a1cc3df2a8aecc12f983a48bda99315cebf55a3b3a5463e37bb599b05727b"},
     {file = "ruamel.yaml.clib-0.2.2-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:c6ac7e45367b1317e56f1461719c853fd6825226f45b835df7436bb04031fd8a"},
     {file = "ruamel.yaml.clib-0.2.2-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:b4b0d31f2052b3f9f9b5327024dc629a253a83d8649d4734ca7f35b60ec3e9e5"},
-    {file = "ruamel.yaml.clib-0.2.2-cp39-cp39-manylinux2014_aarch64.whl", hash = "sha256:1f8c0a4577c0e6c99d208de5c4d3fd8aceed9574bb154d7a2b21c16bb924154c"},
-    {file = "ruamel.yaml.clib-0.2.2-cp39-cp39-win32.whl", hash = "sha256:46d6d20815064e8bb023ea8628cfb7402c0f0e83de2c2227a88097e239a7dffd"},
-    {file = "ruamel.yaml.clib-0.2.2-cp39-cp39-win_amd64.whl", hash = "sha256:6c0a5dc52fc74eb87c67374a4e554d4761fd42a4d01390b7e868b30d21f4b8bb"},
     {file = "ruamel.yaml.clib-0.2.2.tar.gz", hash = "sha256:2d24bd98af676f4990c4d715bcdc2a60b19c56a3fb3a763164d2d8ca0e806ba7"},
 ]
 six = [

prometheuspvesd/cli.py

@@ -13,8 +13,8 @@ from prometheuspvesd import __version__
 from prometheuspvesd.config import SingleConfig
 from prometheuspvesd.discovery import Discovery
 from prometheuspvesd.exception import APIError
+from prometheuspvesd.logger import SingleLog
 from prometheuspvesd.model import HostList
-from prometheuspvesd.utils import SingleLog
 
 
 class PrometheusSD:
@@ -54,7 +54,11 @@ class PrometheusSD:
         """
         parser = argparse.ArgumentParser(description="Prometheus Service Discovery for Proxmox VE")
         parser.add_argument(
-            "-c", "--config", dest="config_file", help="location of configuration file"
+            "-c",
+            "--config",
+            dest="config_file",
+            action="store",
+            help="location of configuration file"
         )
         parser.add_argument(
             "-o", "--output", dest="output_file", action="store", help="output file"
@@ -68,10 +72,15 @@ class PrometheusSD:
             help="delay between discovery runs"
         )
         parser.add_argument(
-            "--no-service",
+            "--no-service", dest="service", action="store_false", help="run discovery only once"
-            dest="service",
+        )
-            action="store_false",
+        parser.add_argument(
-            help="run discovery as a service"
+            "-f",
+            "--log-format",
+            dest="logging.format",
+            metavar="LOG_FORMAT",
+            action="store",
+            help="used log format"
         )
         parser.add_argument(
             "-v", dest="logging.level", action="append_const", const=-1, help="increase log level"
@@ -92,7 +101,9 @@ class PrometheusSD:
             self.log.sysexit_with_message(e)
 
         try:
-            self.log.set_level(config.config["logging"]["level"])
+            self.log.update_logger(
+                config.config["logging"]["level"], config.config["logging"]["format"]
+            )
         except ValueError as e:
             self.log.sysexit_with_message("Can not set log level.\n{}".format(str(e)))
 

prometheuspvesd/config.py

@@ -43,11 +43,11 @@ class Config():
             "file": True,
             "type": environs.Env().str
         },
-        "logging.json": {
+        "logging.format": {
-            "default": False,
+            "default": "console",
-            "env": "LOG_JSON",
+            "env": "LOG_FORMAT",
             "file": True,
-            "type": environs.Env().bool
+            "type": environs.Env().str
         },
         "output_file": {
             "default": default_output_file,
@@ -213,6 +213,7 @@ class Config():
             defaults.pop("config_file")
 
         defaults["logging"]["level"] = defaults["logging"]["level"].upper()
+        defaults["logging"]["format"] = defaults["logging"]["format"].strip().lower()
 
         Path(PurePath(self.config_file).parent).mkdir(parents=True, exist_ok=True)
         Path(PurePath(defaults["output_file"]).parent).mkdir(parents=True, exist_ok=True)

prometheuspvesd/discovery.py

@@ -12,7 +12,7 @@ from prometheuspvesd.config import SingleConfig
 from prometheuspvesd.exception import APIError
 from prometheuspvesd.model import Host
 from prometheuspvesd.model import HostList
-from prometheuspvesd.utils import SingleLog
+from prometheuspvesd.logger import SingleLog
 from prometheuspvesd.utils import to_bool
 
 try:

prometheuspvesd/logger.py

@@ -0,0 +1,246 @@
+#!/usr/bin/env python3
+"""Global utility methods and classes."""
+
+import logging
+import os
+import sys
+
+import colorama
+from pythonjsonlogger import jsonlogger
+
+from prometheuspvesd.utils import Singleton
+from prometheuspvesd.utils import to_bool
+
+CONSOLE_FORMAT = "{}{}[%(levelname)s]{} %(message)s"
+JSON_FORMAT = "%(asctime)s %(levelname)s %(message)s"
+
+
+def _should_do_markup():
+    py_colors = os.environ.get("PY_COLORS", None)
+    if py_colors is not None:
+        return to_bool(py_colors)
+
+    return sys.stdout.isatty() and os.environ.get("TERM") != "dumb"
+
+
+colorama.init(autoreset=True, strip=not _should_do_markup())
+
+
+class LogFilter(object):
+    """A custom log filter which excludes log messages above the logged level."""
+
+    def __init__(self, level):
+        """
+        Initialize a new custom log filter.
+
+        :param level: Log level limit
+        :returns: None
+
+        """
+        self.__level = level
+
+    def filter(self, logRecord):  # noqa
+        # https://docs.python.org/3/library/logging.html#logrecord-attributes
+        return logRecord.levelno <= self.__level
+
+
+class SimpleFormatter(logging.Formatter):
+    """Logging Formatter for simple logs."""
+
+    def format(self, record):  # noqa
+        return logging.Formatter.format(self, record)
+
+
+class MultilineFormatter(logging.Formatter):
+    """Logging Formatter to reset color after newline characters."""
+
+    def format(self, record):  # noqa
+        record.msg = record.msg.replace("\n", "\n{}... ".format(colorama.Style.RESET_ALL))
+        return logging.Formatter.format(self, record)
+
+
+class MultilineJsonFormatter(jsonlogger.JsonFormatter):
+    """Logging Formatter to remove newline characters."""
+
+    def format(self, record):  # noqa
+        record.msg = record.msg.replace("\n", " ")
+        return jsonlogger.JsonFormatter.format(self, record)
+
+
+class Log:
+    """Handle logging."""
+
+    def __init__(self, level=logging.WARN, name="prometheuspvesd", log_format="console"):
+        self.logger = logging.getLogger(name)
+        self.logger.setLevel(level)
+        self.logger.addHandler(self._get_error_handler(log_format))
+        self.logger.addHandler(self._get_warn_handler(log_format))
+        self.logger.addHandler(self._get_info_handler(log_format))
+        self.logger.addHandler(self._get_critical_handler(log_format))
+        self.logger.addHandler(self._get_debug_handler(log_format))
+        self.logger.propagate = False
+
+    def _get_error_handler(self, log_format):
+        handler = logging.StreamHandler(sys.stderr)
+        handler.setLevel(logging.ERROR)
+        handler.addFilter(LogFilter(logging.ERROR))
+
+        if log_format == "json":
+            handler.setFormatter(MultilineJsonFormatter(JSON_FORMAT))
+        elif log_format == "simple":
+            handler.setFormatter(SimpleFormatter())
+        else:
+            handler.setFormatter(
+                MultilineFormatter(
+                    self.error(
+                        CONSOLE_FORMAT.format(
+                            colorama.Fore.RED, colorama.Style.BRIGHT, colorama.Style.RESET_ALL
+                        )
+                    )
+                )
+            )
+
+        return handler
+
+    def _get_warn_handler(self, log_format):
+        handler = logging.StreamHandler(sys.stdout)
+        handler.setLevel(logging.WARN)
+        handler.addFilter(LogFilter(logging.WARN))
+
+        if log_format == "json":
+            handler.setFormatter(MultilineJsonFormatter(JSON_FORMAT))
+        elif log_format == "simple":
+            handler.setFormatter(SimpleFormatter())
+        else:
+            handler.setFormatter(
+                MultilineFormatter(
+                    self.warn(
+                        CONSOLE_FORMAT.format(
+                            colorama.Fore.YELLOW, colorama.Style.BRIGHT, colorama.Style.RESET_ALL
+                        )
+                    )
+                )
+            )
+
+        return handler
+
+    def _get_info_handler(self, log_format):
+        handler = logging.StreamHandler(sys.stdout)
+        handler.setLevel(logging.INFO)
+        handler.addFilter(LogFilter(logging.INFO))
+
+        if log_format == "json":
+            handler.setFormatter(MultilineJsonFormatter(JSON_FORMAT))
+        elif log_format == "simple":
+            handler.setFormatter(SimpleFormatter())
+        else:
+            handler.setFormatter(
+                MultilineFormatter(
+                    self.info(
+                        CONSOLE_FORMAT.format(
+                            colorama.Fore.CYAN, colorama.Style.BRIGHT, colorama.Style.RESET_ALL
+                        )
+                    )
+                )
+            )
+
+        return handler
+
+    def _get_critical_handler(self, log_format):
+        handler = logging.StreamHandler(sys.stderr)
+        handler.setLevel(logging.CRITICAL)
+        handler.addFilter(LogFilter(logging.CRITICAL))
+
+        if log_format == "json":
+            handler.setFormatter(MultilineJsonFormatter(JSON_FORMAT))
+        elif log_format == "simple":
+            handler.setFormatter(SimpleFormatter())
+        else:
+            handler.setFormatter(
+                MultilineFormatter(
+                    self.critical(
+                        CONSOLE_FORMAT.format(
+                            colorama.Fore.RED, colorama.Style.BRIGHT, colorama.Style.RESET_ALL
+                        )
+                    )
+                )
+            )
+
+        return handler
+
+    def _get_debug_handler(self, log_format):
+        handler = logging.StreamHandler(sys.stderr)
+        handler.setLevel(logging.DEBUG)
+        handler.addFilter(LogFilter(logging.DEBUG))
+
+        if log_format == "json":
+            handler.setFormatter(MultilineJsonFormatter(JSON_FORMAT))
+        elif log_format == "simple":
+            handler.setFormatter(SimpleFormatter())
+        else:
+            handler.setFormatter(
+                MultilineFormatter(
+                    self.critical(
+                        CONSOLE_FORMAT.format(
+                            colorama.Fore.BLUE, colorama.Style.BRIGHT, colorama.Style.RESET_ALL
+                        )
+                    )
+                )
+            )
+
+        return handler
+
+    def update_logger(self, level=None, log_level=None):
+        for handler in self.logger.handlers[:]:
+            self.logger.removeHandler(handler)
+
+        self.logger.setLevel(level)
+        self.logger.addHandler(self._get_error_handler(log_level))
+        self.logger.addHandler(self._get_warn_handler(log_level))
+        self.logger.addHandler(self._get_info_handler(log_level))
+        self.logger.addHandler(self._get_critical_handler(log_level))
+        self.logger.addHandler(self._get_debug_handler(log_level))
+
+    def debug(self, msg):
+        """Format info messages and return string."""
+        return msg
+
+    def critical(self, msg):
+        """Format critical messages and return string."""
+        return msg
+
+    def error(self, msg):
+        """Format error messages and return string."""
+        return msg
+
+    def warn(self, msg):
+        """Format warn messages and return string."""
+        return msg
+
+    def info(self, msg):
+        """Format info messages and return string."""
+        return msg
+
+    def _color_text(self, color, msg):
+        """
+        Colorize strings.
+
+        :param color: colorama color settings
+        :param msg: string to colorize
+        :returns: string
+
+        """
+        return "{}{}{}".format(color, msg, colorama.Style.RESET_ALL)
+
+    def sysexit(self, code=1):
+        sys.exit(code)
+
+    def sysexit_with_message(self, msg, code=1):
+        self.logger.critical(str(msg))
+        self.sysexit(code)
+
+
+class SingleLog(Log, metaclass=Singleton):
+    """Singleton logging class."""
+
+    pass

prometheuspvesd/utils.py

@@ -1,33 +1,13 @@
 #!/usr/bin/env python3
 """Global utility methods and classes."""
 
-import logging
-import os
-import sys
 from distutils.util import strtobool
 
-import colorama
-from pythonjsonlogger import jsonlogger
-
-CONSOLE_FORMAT = "{}{}[%(levelname)s]{} %(message)s"
-JSON_FORMAT = "(asctime) (levelname) (message)"
-
 
 def to_bool(string):
     return bool(strtobool(str(string)))
 
 
-def _should_do_markup():
-    py_colors = os.environ.get("PY_COLORS", None)
-    if py_colors is not None:
-        return to_bool(py_colors)
-
-    return sys.stdout.isatty() and os.environ.get("TERM") != "dumb"
-
-
-colorama.init(autoreset=True, strip=not _should_do_markup())
-
-
 class Singleton(type):
     """Meta singleton class."""
 
@@ -37,206 +17,3 @@ class Singleton(type):
         if cls not in cls._instances:
             cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
         return cls._instances[cls]
-
-
-class LogFilter(object):
-    """A custom log filter which excludes log messages above the logged level."""
-
-    def __init__(self, level):
-        """
-        Initialize a new custom log filter.
-
-        :param level: Log level limit
-        :returns: None
-
-        """
-        self.__level = level
-
-    def filter(self, logRecord):  # noqa
-        # https://docs.python.org/3/library/logging.html#logrecord-attributes
-        return logRecord.levelno <= self.__level
-
-
-class MultilineFormatter(logging.Formatter):
-    """Logging Formatter to reset color after newline characters."""
-
-    def format(self, record):  # noqa
-        record.msg = record.msg.replace("\n", "\n{}... ".format(colorama.Style.RESET_ALL))
-        return logging.Formatter.format(self, record)
-
-
-class MultilineJsonFormatter(jsonlogger.JsonFormatter):
-    """Logging Formatter to remove newline characters."""
-
-    def format(self, record):  # noqa
-        record.msg = record.msg.replace("\n", " ")
-        return jsonlogger.JsonFormatter.format(self, record)
-
-
-class Log:
-    """Handle logging."""
-
-    def __init__(self, level=logging.WARN, name="prometheuspvesd", json=False):
-        self.logger = logging.getLogger(name)
-        self.logger.setLevel(level)
-        self.logger.addHandler(self._get_error_handler(json=json))
-        self.logger.addHandler(self._get_warn_handler(json=json))
-        self.logger.addHandler(self._get_info_handler(json=json))
-        self.logger.addHandler(self._get_critical_handler(json=json))
-        self.logger.addHandler(self._get_debug_handler(json=json))
-        self.logger.propagate = False
-
-    def _get_error_handler(self, json=False):
-        handler = logging.StreamHandler(sys.stderr)
-        handler.setLevel(logging.ERROR)
-        handler.addFilter(LogFilter(logging.ERROR))
-        handler.setFormatter(
-            MultilineFormatter(
-                self.error(
-                    CONSOLE_FORMAT.format(
-                        colorama.Fore.RED, colorama.Style.BRIGHT, colorama.Style.RESET_ALL
-                    )
-                )
-            )
-        )
-
-        if json:
-            handler.setFormatter(MultilineJsonFormatter(JSON_FORMAT))
-
-        return handler
-
-    def _get_warn_handler(self, json=False):
-        handler = logging.StreamHandler(sys.stdout)
-        handler.setLevel(logging.WARN)
-        handler.addFilter(LogFilter(logging.WARN))
-        handler.setFormatter(
-            MultilineFormatter(
-                self.warn(
-                    CONSOLE_FORMAT.format(
-                        colorama.Fore.YELLOW, colorama.Style.BRIGHT, colorama.Style.RESET_ALL
-                    )
-                )
-            )
-        )
-
-        if json:
-            handler.setFormatter(MultilineJsonFormatter(JSON_FORMAT))
-
-        return handler
-
-    def _get_info_handler(self, json=False):
-        handler = logging.StreamHandler(sys.stdout)
-        handler.setLevel(logging.INFO)
-        handler.addFilter(LogFilter(logging.INFO))
-        handler.setFormatter(
-            MultilineFormatter(
-                self.info(
-                    CONSOLE_FORMAT.format(
-                        colorama.Fore.CYAN, colorama.Style.BRIGHT, colorama.Style.RESET_ALL
-                    )
-                )
-            )
-        )
-
-        if json:
-            handler.setFormatter(MultilineJsonFormatter(JSON_FORMAT))
-
-        return handler
-
-    def _get_critical_handler(self, json=False):
-        handler = logging.StreamHandler(sys.stderr)
-        handler.setLevel(logging.CRITICAL)
-        handler.addFilter(LogFilter(logging.CRITICAL))
-        handler.setFormatter(
-            MultilineFormatter(
-                self.critical(
-                    CONSOLE_FORMAT.format(
-                        colorama.Fore.RED, colorama.Style.BRIGHT, colorama.Style.RESET_ALL
-                    )
-                )
-            )
-        )
-
-        if json:
-            handler.setFormatter(MultilineJsonFormatter(JSON_FORMAT))
-
-        return handler
-
-    def _get_debug_handler(self, json=False):
-        handler = logging.StreamHandler(sys.stderr)
-        handler.setLevel(logging.DEBUG)
-        handler.addFilter(LogFilter(logging.DEBUG))
-        handler.setFormatter(
-            MultilineFormatter(
-                self.critical(
-                    CONSOLE_FORMAT.format(
-                        colorama.Fore.BLUE, colorama.Style.BRIGHT, colorama.Style.RESET_ALL
-                    )
-                )
-            )
-        )
-
-        if json:
-            handler.setFormatter(MultilineJsonFormatter(JSON_FORMAT))
-
-        return handler
-
-    def set_level(self, s):
-        self.logger.setLevel(s)
-
-    def debug(self, msg):
-        """Format info messages and return string."""
-        return msg
-
-    def critical(self, msg):
-        """Format critical messages and return string."""
-        return msg
-
-    def error(self, msg):
-        """Format error messages and return string."""
-        return msg
-
-    def warn(self, msg):
-        """Format warn messages and return string."""
-        return msg
-
-    def info(self, msg):
-        """Format info messages and return string."""
-        return msg
-
-    def _color_text(self, color, msg):
-        """
-        Colorize strings.
-
-        :param color: colorama color settings
-        :param msg: string to colorize
-        :returns: string
-
-        """
-        return "{}{}{}".format(color, msg, colorama.Style.RESET_ALL)
-
-    def sysexit(self, code=1):
-        sys.exit(code)
-
-    def sysexit_with_message(self, msg, code=1):
-        self.logger.critical(str(msg))
-        self.sysexit(code)
-
-
-class SingleLog(Log, metaclass=Singleton):
-    """Singleton logging class."""
-
-    pass
-
-
-class UnsafeTag:
-    """Handle custom yaml unsafe tag."""
-
-    yaml_tag = u"!unsafe"
-
-    def __init__(self, value):
-        self.unsafe = value
-
-    @staticmethod
-    def yaml_constructor(loader, node):
-        return loader.construct_scalar(node)