HDX-10202 set log level from env vars

Author: danmihaila

docker/hapi_run

@@ -19,6 +19,16 @@ else
     envsubst < /srv/hapi/docker/unit.json.tpl > /var/lib/unit/conf.json
 fi
 
+# LOGGING_CONF_FILE needs to be set before substituting app.conf.tpl
+export LOGGING_CONF_FILE=/srv/logging.conf
+
+# regenerate logging.conf
+export LOG_LEVEL="${LOG_LEVEL:-INFO}"
+[ ! -z "${LOG_LEVEL_CONSOLE}" ] || export LOG_LEVEL_CONSOLE=${LOG_LEVEL}
+[ ! -z "${LOG_LEVEL_JSON}" ] || export LOG_LEVEL_JSON=${LOG_LEVEL}
+[ ! -z "${LOG_LEVEL_TXT}" ] || export LOG_LEVEL_TXT=${LOG_LEVEL}
+envsubst < /srv/hapi/docker/logging.conf.tpl > /srv/logging.conf
+
 chmod 600 /var/lib/unit/conf.json
 chown -R unit /var/log/hapi
 

docker/logging.conf.tpl

@@ -0,0 +1,39 @@
+[loggers]
+keys=root
+
+[handlers]
+keys=consoleHandler, fileHandler, jsonFileHandler
+
+[formatters]
+keys=simpleFormatter, jsonFormatter
+
+[logger_root]
+level=${LOG_LEVEL}
+handlers=consoleHandler, fileHandler, jsonFileHandler
+
+
+[handler_consoleHandler]
+class=StreamHandler
+level=${LOG_LEVEL_CONSOLE}
+formatter=simpleFormatter
+args=(sys.stdout,)
+
+[handler_fileHandler]
+class = FileHandler
+args = ('/var/log/hapi/hapi.log','a')
+level = ${LOG_LEVEL_TXT}
+formatter = simpleFormatter
+
+[handler_jsonFileHandler]
+class = FileHandler
+args = ('/var/log/hapi/hapi-json.log','a')
+level = ${LOG_LEVEL_JSON}
+formatter = jsonFormatter
+
+[formatter_simpleFormatter]
+format=[%(process)d - %(thread)d] %(asctime)s %(levelname)-5.5s [%(name)s:%(lineno)d] %(message)s
+datefmt=
+
+[formatter_jsonFormatter]
+format = %(process)d %(thread)d %(asctime)s %(levelname) %(threadName)s %(name)s %(lineno)d %(message)s %(funcName)s
+class = pythonjsonlogger.jsonlogger.JsonFormatter

main.py

@@ -1,5 +1,6 @@
 import logging
 import logging.config
+import os
 
 logging.config.fileConfig('logging.conf')
 
@@ -153,6 +154,5 @@ def home():
 async def resp_validation_exception_handler(request: Request, exc: ResponseValidationError):
     return await response_validation_error_handler(request, exc)
 
-
 if __name__ == '__main__':
-    uvicorn.run(app, host='0.0.0.0', port=8844, log_config='logging.conf')
+    uvicorn.run(app, host='0.0.0.0', port=8844, log_config=os.getenv('LOGGING_CONF_FILE','logging.conf'))