Add gunicorn log handler and formatter

Use handler and formatter for gunicorn.

Change-Id: I036720c4317cb234c16a4026d9b9bc4a193f69db

etc/gunicorn.py

@@ -1,12 +1,67 @@
+# Copyright 2022 99cloud
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 import multiprocessing
 
 bind = "unix:/var/lib/skyline/skyline.sock"
 workers = (1 + multiprocessing.cpu_count()) // 2
 worker_class = "uvicorn.workers.UvicornWorker"
-timeout = 3600
+timeout = 300
 keepalive = 5
 reuse_port = True
 proc_name = "skyline"
-log_level = "debug"
-accesslog = "/var/log/skyline/access.log"
-errorlog = "/var/log/skyline/error.log"
+
+logconfig_dict = {
+    "version": 1,
+    "disable_existing_loggers": False,
+    "root": {"level": "DEBUG", "handlers": ["console"]},
+    "loggers": {
+        "gunicorn.error": {
+            "level": "DEBUG",
+            "handlers": ["error_file"],
+            "propagate": 0,
+            "qualname": "gunicorn_error",
+        },
+        "gunicorn.access": {
+            "level": "DEBUG",
+            "handlers": ["access_file"],
+            "propagate": 0,
+            "qualname": "access",
+        },
+    },
+    "handlers": {
+        "error_file": {
+            "class": "logging.handlers.RotatingFileHandler",
+            "formatter": "generic",
+            "filename": "/var/log/skyline/error.log",
+        },
+        "access_file": {
+            "class": "logging.handlers.RotatingFileHandler",
+            "formatter": "generic",
+            "filename": "/var/log/skyline/access.log",
+        },
+        "console": {
+            "class": "logging.StreamHandler",
+            "level": "DEBUG",
+            "formatter": "generic",
+        },
+    },
+    "formatters": {
+        "generic": {
+            "format": "%(asctime)s.%(msecs)03d %(process)d %(levelname)s [-] %(message)s",
+            "datefmt": "[%Y-%m-%d %H:%M:%S %z]",
+            "class": "logging.Formatter",
+        }
+    },
+}