trying the netdata logging

django_code/apps/netdata_logging/apps.py

@@ -0,0 +1,7 @@
+from django.apps import AppConfig
+
+
+class NetdataLoggingConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'apps.netdata_logging'
+    label = 'netdata_logging'

django_code/apps/netdata_logging/credentials.py

@@ -0,0 +1,23 @@
+# =====================================================================
+# NETDATA CONNECTION CONFIG - TEMPORARY / HARDCODED
+#
+# These values are kept in plaintext here ONLY until they are moved into
+# the secret manager (see apps/bitwarden). Treat everything below as
+# something that must be migrated before this app is used beyond a local
+# hello-world test.
+#
+# Current status: logger.py logs structured JSON to stdout, which is the
+# supported way for Netdata's log collectors (systemd-journal / generic
+# log source) to pick up application logs - it does NOT push over the
+# network, so `room_token` below is not consumed by any code yet.
+#
+# `agent_host` / `agent_port` point at the Netdata Agent's dashboard/API
+# port (read-only, no push support). They're recorded here so the values
+# are in one obvious place, ready to be reused once a real push mechanism
+# (StatsD or an OpenTelemetry log receiver, on their own ports - NOT
+# agent_port) is confirmed enabled on this agent.
+# =====================================================================
+class netdata:
+    agent_host = "netdata-agent.netdata.svc"
+    agent_port = 19999  # Netdata Agent dashboard/API port - read-only, not used to push logs
+    room_token = ""  # Netdata Cloud room token - NOT currently used by any code in this app

django_code/apps/netdata_logging/logger.py

@@ -0,0 +1,44 @@
+"""
+Structured logging helper for Netdata.
+
+Netdata does not expose a generic "push a log line" API reachable with
+just a room token from outside an Agent (see credentials.py). Until a
+real push mechanism (StatsD or an OpenTelemetry log receiver) is
+confirmed enabled on the agent, the supported path is the standard one:
+emit structured JSON lines to stdout, which Netdata's log collectors
+(systemd-journal / generic log source) are built to tail and parse.
+"""
+import logging
+import sys
+
+from pythonjsonlogger import jsonlogger
+
+from .credentials import netdata
+
+_LOGGER_NAME = "netdata"
+
+
+def get_netdata_logger() -> logging.Logger:
+    logger = logging.getLogger(_LOGGER_NAME)
+
+    if not logger.handlers:
+        handler = logging.StreamHandler(stream=sys.stdout)
+        handler.setFormatter(
+            jsonlogger.JsonFormatter("%(asctime)s %(levelname)s %(name)s %(message)s")
+        )
+        logger.addHandler(handler)
+        logger.setLevel(logging.INFO)
+        logger.propagate = False
+
+    return logger
+
+
+def log_event(message, level="info", **fields):
+    """Log a structured event intended to be picked up by Netdata.
+
+    Extra keyword arguments are attached as structured fields on the JSON
+    log line, e.g. log_event("hello world", source="netdata_logging.hello").
+    """
+    logger = get_netdata_logger()
+    log_fn = getattr(logger, level.lower(), logger.info)
+    log_fn(message, extra={"netdata_agent_host": netdata.agent_host, **fields})

django_code/apps/netdata_logging/views.py

@@ -0,0 +1,8 @@
+from django.http import HttpResponse
+
+from .logger import log_event
+
+
+def hello(request):
+    log_event("Hello world from netdata_logging!", source="netdata_logging.hello")
+    return HttpResponse('<h1>Hello Netdata logging!</h1>')

django_code/core/settings.py

@@ -49,6 +49,7 @@ INSTALLED_APPS = [
     'apps.job_dashboard.apps.JobDashboardConfig',
     'apps.telegram_communication.apps.TelegramCommunicationConfig',
     'apps.podcast_aggregator.apps.PodcastAggregatorConfig',
+    'apps.netdata_logging.apps.NetdataLoggingConfig',
     'import_export',
     'djangoql',
 ]

django_code/core/urls.py

@@ -27,6 +27,7 @@ from apps.stash_management import apps as stashapp
 from apps.stash_management import views as stashview
 from apps.website_redirection import views as website_redirectionapp
 from apps.podcast_aggregator import views as podcast_views
+from apps.netdata_logging import views as netdata_logging_views
 
 
 urlpatterns = [
@@ -93,5 +94,7 @@ urlpatterns = [
     ###################      cloudmanager     ###################
     path('podcast/', podcast_views.execute_podcast),
 
+    ###################      netdata_logging     ###################
+    path('netdata/hello/', netdata_logging_views.hello),
 
 ]

requirements.txt

@@ -19,3 +19,4 @@ bitwarden_sdk
 xmltodict
 whitenoise
 djangoql
+python-json-logger