manager: logging: added debug groups for the manager

Author: alesmrazek

doc/_static/config.schema.json

@@ -1527,6 +1527,9 @@
                             "policy-loader",
                             "kresd",
                             "cache-gc",
+                            "files-watchdog",
+                            "metrics",
+                            "server",
                             "system",
                             "cache",
                             "io",

python/knot_resolver/datamodel/logging_schema.py

@@ -16,6 +16,12 @@
     "cache-gc",
 ]
 
+LogGroupsManagerEnum = Literal[
+    "files-watchdog",
+    "metrics",
+    "server",
+]
+
 LogGroupsKresdEnum = Literal[
     ## Now the LOG_GRP_*_TAG defines, exactly from ../../../lib/log.h
     "system",
@@ -68,7 +74,7 @@
     # "reqdbg",... (non-displayed section of the enum)
 ]
 
-LogGroupsEnum = Literal[LogGroupsProcessesEnum, LogGroupsKresdEnum]
+LogGroupsEnum = Literal[LogGroupsProcessesEnum, LogGroupsManagerEnum, LogGroupsKresdEnum]
 
 
 class DnstapSchema(ConfigSchema):

python/knot_resolver/datamodel/templates/logging.lua.j2

@@ -16,7 +16,9 @@ log_target('{{ cfg.logging.target }}')
 -- logging.groups
 log_groups({
 {% for g in cfg.logging.groups %}
-{% if g not in ["manager", "supervisord", "policy-loader", "kresd", "cache-gc"] %}
+{% if g not in ["manager", "supervisord", "policy-loader", "kresd", "cache-gc",
+    "files-watchdog", "metrics", "server",
+] %}
     '{{ g }}',
 {% endif %}
 {% endfor %}

python/knot_resolver/datamodel/templates/policy-loader.lua.j2

@@ -20,7 +20,10 @@ log_target('{{ cfg.logging.target }}')
 -- logging.groups
 log_groups({
 {% for g in cfg.logging.groups %}
-{% if g not in ["manager", "supervisord", "policy-loader", "kresd", "cache-gc"] %}
+{% if g not in [
+    "manager", "supervisord", "policy-loader", "kresd", "cache-gc",
+    "files-watchdog", "metrics", "server",
+] %}
     '{{ g }}',
 {% endif %}
 {% endfor %}

python/knot_resolver/manager/logger.py

@@ -4,7 +4,9 @@
 import sys
 
 from knot_resolver.datamodel.config_schema import KresConfig
+from knot_resolver.datamodel.logging_schema import LogGroupsManagerEnum
 from knot_resolver.manager.config_store import ConfigStore, only_on_real_changes_update
+from knot_resolver.utils.modeling.types import get_generic_type_arguments
 
 from .constants import LOGGING_LEVEL_STARTUP
 
@@ -67,6 +69,19 @@ async def _set_log_level(config: KresConfig) -> None:
     logger.warning(f"Changing logging level to '{_level_to_name[target]}'")
     logging.getLogger().setLevel(target)
 
+    # mapping for nonstandard names
+    groups_map = {
+        "files-watchdog": "files",
+    }
+    # set debug groups
+    if groups:
+        package_name = __name__.rsplit(".", 1)[0]
+        for group in groups:
+            if group in get_generic_type_arguments(LogGroupsManagerEnum):
+                logger_name = f"{package_name}.{groups_map.get(group, group)}"
+                logger.warning(f"Changing logging level of '{logger_name}' group to '{_level_to_name[target]}'")
+                logging.getLogger(logger_name).setLevel(logging.DEBUG)
+
 
 async def _set_logging_handler(config: KresConfig) -> None:
     target = config.logging.target