use class for conf (#607)

Co-authored-by: hay-kot <hay-kot@pm.me>

docker-compose.yml

@@ -18,10 +18,8 @@ services:
       POSTGRES_SERVER: postgres
       POSTGRES_PORT: 5432
       POSTGRES_DB: mealie
-
       # WORKERS_PER_CORE: 0.5
       # MAX_WORKERS: 8
-
       WEB_CONCURRENCY: 2
   postgres:
     container_name: postgres

gunicorn_conf.py

@@ -4,49 +4,55 @@ import json
 import multiprocessing
 import os
 
-workers_per_core_str = os.getenv("WORKERS_PER_CORE", "1")
-max_workers_str = os.getenv("MAX_WORKERS")
-use_max_workers = None
-if max_workers_str:
-    use_max_workers = int(max_workers_str)
-web_concurrency_str = os.getenv("WEB_CONCURRENCY", None)
 
-host = os.getenv("HOST", "127.0.0.1")  # 0.0.0.0
-port = os.getenv("PORT", "80")
-bind_env = os.getenv("BIND", None)
-use_loglevel = os.getenv("LOG_LEVEL", "info")
-if bind_env:
-    use_bind = bind_env
-else:
-    use_bind = f"{host}:{port}"
+class GunicornConfig:
+    """Configuration to generate the properties for Gunicorn"""
 
-cores = multiprocessing.cpu_count()
-workers_per_core = float(workers_per_core_str)
-default_web_concurrency = workers_per_core * cores
-if web_concurrency_str:
-    web_concurrency = int(web_concurrency_str)
-    assert web_concurrency > 0
-else:
-    web_concurrency = max(int(default_web_concurrency), 2)
-    if use_max_workers:
-        web_concurrency = min(web_concurrency, use_max_workers)
-accesslog_var = os.getenv("ACCESS_LOG", "-")
-use_accesslog = accesslog_var or None
-errorlog_var = os.getenv("ERROR_LOG", "-")
-use_errorlog = errorlog_var or None
-graceful_timeout_str = os.getenv("GRACEFUL_TIMEOUT", "120")
-timeout_str = os.getenv("TIMEOUT", "120")
-keepalive_str = os.getenv("KEEP_ALIVE", "5")
+    def __init__(self):
+
+        # Env Variables
+        self.host = os.getenv("HOST", "127.0.0.1")
+        self.port = os.getenv("PORT", "80")
+        self.log_level: str = os.getenv("LOG_LEVEL", "info")
+        self.bind: str = os.getenv("BIND", None)
+        self.errorlog: str = os.getenv("ERROR_LOG", "-") or None
+        self.accesslog: str = os.getenv("ACCESS_LOG", "-") or None
+        self.graceful_timeout: int = int(os.getenv("GRACEFUL_TIMEOUT", "120"))
+        self.timeout = int(os.getenv("TIMEOUT", "120"))
+        self.keepalive = int(os.getenv("KEEP_ALIVE", "5"))
+        self.workers_per_core = float(os.getenv("WORKERS_PER_CORE", "1"))
+        self.web_concurrency_str: str = os.getenv("WEB_CONCURRENCY", None)
+        self.max_workers_str: str = os.getenv("MAX_WORKERS", None)
+
+        # Computed Variables
+        self.cores = multiprocessing.cpu_count()
+        self.default_bind = f"{self.host}:{self.port}"
+        self.default_web_concorrency = self.workers_per_core * self.cores
+        self.workers = self.get_workers()
+
+    def get_workers(self) -> int:
+        if self.web_concurrency_str:
+            web_concurrency = int(self.web_concurrency_str)
+            assert web_concurrency > 0
+        else:
+            web_concurrency = max(int(self.default_web_concorrency), 2)
+            if self.max_workers_str:
+                web_concurrency = min(web_concurrency, int(self.max_workers_str))
+
+        return web_concurrency
+
+
+gunicorn_conf = GunicornConfig()
 
 # Gunicorn config variables
-loglevel = use_loglevel
-workers = web_concurrency
-bind = use_bind
-errorlog = use_errorlog
-accesslog = use_accesslog
-graceful_timeout = int(graceful_timeout_str)
-timeout = int(timeout_str)
-keepalive = int(keepalive_str)
+loglevel = gunicorn_conf.log_level
+workers = gunicorn_conf.workers
+bind = gunicorn_conf.bind or gunicorn_conf.default_bind
+errorlog = gunicorn_conf.errorlog
+accesslog = gunicorn_conf.accesslog
+graceful_timeout = gunicorn_conf.graceful_timeout
+timeout = gunicorn_conf.timeout
+keepalive = gunicorn_conf.keepalive
 
 
 # For debugging and testing
@@ -60,9 +66,10 @@ log_data = {
     "errorlog": errorlog,
     "accesslog": accesslog,
     # Additional, non-gunicorn variables
-    "workers_per_core": workers_per_core,
-    "use_max_workers": use_max_workers,
-    "host": host,
-    "port": port,
+    "workers_per_core": gunicorn_conf.workers_per_core,
+    "use_max_workers": gunicorn_conf.max_workers_str,
+    "host": gunicorn_conf.host,
+    "port": gunicorn_conf.port,
 }
-print(json.dumps(log_data))
+
+print("---- Gunicorn Configuration ----", json.dumps(log_data, indent=4))