From 380c49f0b0ad4bfdbe1299344a366be094664b4f Mon Sep 17 00:00:00 2001 From: Keith Grennan Date: Thu, 3 Aug 2023 07:40:30 -0700 Subject: [PATCH] add support for fluent logging --- be/levity/settings.py | 2 + be/ocpp/models/message.py | 4 +- be/ocpp/receivers/__init__.py | 1 + be/ocpp/receivers/logging/fluent_logger.py | 27 +++++++ be/poetry.lock | 88 +++++++++++++++++++++- be/pyproject.toml | 1 + fluentd/Dockerfile | 20 +++++ fluentd/fluent.conf | 20 +++++ 8 files changed, 161 insertions(+), 2 deletions(-) create mode 100644 be/ocpp/receivers/logging/fluent_logger.py create mode 100644 fluentd/Dockerfile create mode 100644 fluentd/fluent.conf diff --git a/be/levity/settings.py b/be/levity/settings.py index 9940add..fd53d5c 100644 --- a/be/levity/settings.py +++ b/be/levity/settings.py @@ -139,3 +139,5 @@ ) OCPP_HEARTBEAT_INTERVAL = 3600 + +FLUENTD_HOST = os.environ.get("FLUENTD_HOST") diff --git a/be/ocpp/models/message.py b/be/ocpp/models/message.py index 0073146..6ca2437 100644 --- a/be/ocpp/models/message.py +++ b/be/ocpp/models/message.py @@ -61,7 +61,9 @@ def to_ocpp(self): else: raise ValueError("Unknown message type {}".format(self.message_type)) - return dict(id=self.charge_point.id, message=ocpp_message) + return dict( + id=self.charge_point.id, actor=str(self.actor), message=ocpp_message + ) @staticmethod def from_occp(charge_point: ChargePoint, ocpp_message: dict): diff --git a/be/ocpp/receivers/__init__.py b/be/ocpp/receivers/__init__.py index ab370ef..cff128d 100644 --- a/be/ocpp/receivers/__init__.py +++ b/be/ocpp/receivers/__init__.py @@ -1 +1,2 @@ from .metrics.event_counter import count_websocket_events # noqa: F401 +from .logging.fluent_logger import log_messages, log_websocket_events # noqa: F401 diff --git a/be/ocpp/receivers/logging/fluent_logger.py b/be/ocpp/receivers/logging/fluent_logger.py new file mode 100644 index 0000000..f6d9059 --- /dev/null +++ b/be/ocpp/receivers/logging/fluent_logger.py @@ -0,0 +1,27 @@ +from django.db.models.signals import post_save +from django.dispatch import receiver +from fluent import sender + +from levity import settings +from ocpp.models import WebsocketEvent, Message + + +logger = ( + sender.FluentSender("app", host=settings.FLUENTD_HOST, port=24224) + if settings.FLUENTD_HOST + else None +) + + +@receiver(post_save, sender=WebsocketEvent) +def log_websocket_events(instance: WebsocketEvent, created, **kwargs): + if not logger: + return + logger.emit(f"ws.{instance.type}", dict(id=instance.charge_point.id)) + + +@receiver(post_save, sender=Message) +def log_messages(instance: Message, created, **kwargs): + if not logger: + return + logger.emit("message", instance.to_ocpp()) diff --git a/be/poetry.lock b/be/poetry.lock index 03e3dd6..7ed880d 100644 --- a/be/poetry.lock +++ b/be/poetry.lock @@ -268,6 +268,20 @@ flake8 = ">=6.0.0" [package.extras] dev = ["coverage", "hypothesis", "hypothesmith (>=0.2)", "pre-commit", "pytest", "tox"] +[[package]] +name = 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"6f47b12c414ed7ca067b478e5d3108bc55e211b5c01bdd66135db3d55328417f" +content-hash = "ac1f2ea1f1b43cac36922e5e7395f591635bd192512ef315b2010939fbdef086" diff --git a/be/pyproject.toml b/be/pyproject.toml index 0c10f6e..6d18e6e 100644 --- a/be/pyproject.toml +++ b/be/pyproject.toml @@ -16,6 +16,7 @@ psycopg2-binary = "^2.9.5" prometheus-client = "^0.16.0" pyyaml = "6.0.1" pytz = "^2023.3" +fluent-logger = "^0.10.0" [tool.poetry.group.dev.dependencies] diff --git a/fluentd/Dockerfile b/fluentd/Dockerfile new file mode 100644 index 0000000..5306a9e --- /dev/null +++ b/fluentd/Dockerfile @@ -0,0 +1,20 @@ +FROM fluent/fluentd:v1.16-1 + +# Use root account to use apk +USER root + +# below RUN includes plugin as examples elasticsearch is not required +# you may customize including plugins as you wish +RUN apk add --no-cache --update --virtual .build-deps \ + sudo build-base ruby-dev \ + && sudo gem install fluent-plugin-s3 \ + && sudo gem sources --clear-all \ + && apk del .build-deps \ + && rm -rf /tmp/* /var/tmp/* /usr/lib/ruby/gems/*/cache/*.gem + +COPY fluent.conf /fluentd/etc/ + +RUN mkdir -p /var/log/fluent +RUN chown -R fluent /var/log/fluent + +USER fluent diff --git a/fluentd/fluent.conf b/fluentd/fluent.conf new file mode 100644 index 0000000..5df4acc --- /dev/null +++ b/fluentd/fluent.conf @@ -0,0 +1,20 @@ + + @type forward + + + + @type s3 + + s3_bucket levity + s3_region us-west-2 + path logs/ + + + + @type file + path /var/log/fluent/s3 + timekey 3600 # 1 hour partition + timekey_wait 10m + timekey_use_utc true # use utc + + \ No newline at end of file