Fixing logging issues in the previous modifications

check_patroni/__init__.py

@@ -1 +1,5 @@
+import logging
+
 __version__ = "0.1.1"
+
+_log: logging.Logger = logging.getLogger(__name__)

check_patroni/cli.py

@@ -6,7 +6,7 @@ import click
 import nagiosplugin
 from typing import List
 
-from . import __version__
+from . import __version__, _log
 from .cluster import (
     ClusterConfigHasChanged,
     ClusterConfigHasChangedSummary,
@@ -33,8 +33,11 @@ from .node import (
 from .types import ConnectionInfo, Parameters
 from .convert import size_to_byte
 
-_log = logging.getLogger(__name__)
+
 DEFAULT_CFG = "config.ini"
+handler = logging.StreamHandler()
+handler.setFormatter(logging.Formatter("%(levelname)s - %(message)s"))
+_log.addHandler(handler)
 
 
 def print_version(ctx: click.Context, param: str, value: str) -> None:
@@ -166,8 +169,9 @@ def main(
     endpoints = tendpoints
 
     if verbose == 3:
-        logging.basicConfig(format="%(levelname)s - %(message)s", level=logging.DEBUG)
+        logging.getLogger("urllib3").addHandler(handler)
         logging.getLogger("urllib3").setLevel(logging.DEBUG)
+        _log.setLevel(logging.DEBUG)
 
     connection_info: ConnectionInfo
     if cert_file is None and key_file is None:

check_patroni/cluster.py

@@ -1,15 +1,13 @@
 import hashlib
 import json
-import logging
 from collections import Counter
 
 import nagiosplugin
 from typing import Iterable, Union
 
+from . import _log
 from .types import PatroniResource, ConnectionInfo, handle_unknown
 
-_log = logging.getLogger(__name__)
-
 
 def replace_chars(text: str) -> str:
     return text.replace("'", "").replace(" ", "_")
@@ -134,17 +132,23 @@ class ClusterConfigHasChanged(PatroniResource):
 
         new_hash = hashlib.md5(json.dumps(item_dict).encode()).hexdigest()
 
-        _log.debug(f"save result: {self.save}")
+        _log.debug("save result: %(save)s", {"issave": self.save})
         old_hash = self.config_hash
         if self.state_file is not None and self.save:
-            _log.debug(f"saving new hash to state file / cookie {self.state_file}")
+            _log.debug(
+                "saving new hash to state file / cookie %(state_file)s",
+                {"state_file": self.state_file},
+            )
             cookie = nagiosplugin.Cookie(self.state_file)
             cookie.open()
             cookie["hash"] = new_hash
             cookie.commit()
             cookie.close()
 
-        _log.debug(f"hash info: old hash {old_hash}, new hash {new_hash}")
+        _log.debug(
+            "hash info: old hash %(old_hash)s, new hash %(new_hash)s",
+            {"old_hash": old_hash, "new_hash": new_hash},
+        )
 
         return [
             nagiosplugin.Metric(

check_patroni/node.py

@@ -1,12 +1,9 @@
-import logging
-
 import nagiosplugin
 from typing import Iterable
 
+from . import _log
 from .types import APIError, ConnectionInfo, handle_unknown, PatroniResource
 
-_log = logging.getLogger(__name__)
-
 
 class NodeIsPrimary(PatroniResource):
     def probe(self: "NodeIsPrimary") -> Iterable[nagiosplugin.Metric]:
@@ -101,17 +98,23 @@ class NodeTLHasChanged(PatroniResource):
         item_dict = self.rest_api("patroni")
         new_tl = item_dict["timeline"]
 
-        _log.debug(f"save result: {self.save}")
+        _log.debug("save result: %(issave)s", {"issave": self.save})
         old_tl = self.timeline
         if self.state_file is not None and self.save:
-            _log.debug(f"saving new timeline to state file / cookie {self.state_file}")
+            _log.debug(
+                "saving new timeline to state file / cookie %(state_file)s",
+                {"state_file": self.state_file},
+            )
             cookie = nagiosplugin.Cookie(self.state_file)
             cookie.open()
             cookie["timeline"] = new_tl
             cookie.commit()
             cookie.close()
 
-        _log.debug(f"Tl data: old tl {old_tl}, new tl {new_tl}")
+        _log.debug(
+            "Tl data: old tl %(old_tl)s, new tl %(new_tl)s",
+            {"old_tl": old_tl, "new_tl": new_tl},
+        )
 
         # The actual check
         yield nagiosplugin.Metric(
@@ -149,7 +152,8 @@ class NodePatroniVersion(PatroniResource):
 
         version = item_dict["patroni"]["version"]
         _log.debug(
-            f"Version data: patroni version  {version} input version {self.patroni_version}"
+            "Version data: patroni version  %(version)s input version %(patroni_version)s",
+            {"version": version, "patroni_version": self.patroni_version},
         )
 
         # The actual check

check_patroni/types.py

@@ -1,4 +1,3 @@
-import logging
 from urllib.parse import urlparse
 
 import attr
@@ -6,7 +5,7 @@ import nagiosplugin
 import requests
 from typing import Any, Callable, List, Optional, Tuple, Union
 
-_log = logging.getLogger(__name__)
+from . import _log
 
 
 class APIError(requests.exceptions.RequestException):
@@ -46,7 +45,13 @@ class PatroniResource(nagiosplugin.Resource):
                     verify = self.conn_info.ca_cert
 
             _log.debug(
-                f"Trying to connect to {endpoint}/{service} with cert: {cert} verify: {verify}"
+                "Trying to connect to %(endpoint)s/%(service)s with cert: %(cert)s verify: %(verify)s",
+                {
+                    "endpoint": endpoint,
+                    "service": service,
+                    "cert": cert,
+                    "verify": verify,
+                },
             )
 
             try:
@@ -54,8 +59,8 @@ class PatroniResource(nagiosplugin.Resource):
             except Exception as e:
                 _log.debug(e)
                 continue
-            # The status code is already handled by urllib3
-            _log.debug(f"api call data: {r.text}")
+            # The status code is already displayed by urllib3
+            _log.debug("api call data: %(data)s", {"data": r.text})
 
             if r.status_code != 200:
                 raise APIError(