Using environment variables to set odoo config parameters along with .conf template files

Author: PCatinean

README.md

@@ -402,9 +402,13 @@ It will be full of symlinks to the addons you selected in [`addons.yaml`][].
 
 #### `/opt/odoo/auto/odoo.conf`
 
+> :warning: **Deprecated**: Configuration file is now generated via environment
+variables set as such `$ODOO_CFG_{ODOO_CFG_PARAMETER}`
+
 It will have the result of merging all configurations under
 `/opt/odoo/{common,custom}/conf.d/`, in that order.
 
+
 ## The `Dockerfile`
 
 I will document all build arguments and environment variables some day, but for

bin/config-generate

@@ -3,17 +3,25 @@
 """Generate Odoo server configuration from templates"""
 
 import os
+import sys
 from contextlib import closing
 from string import Template
 
-from doodbalib import logger
+from doodbalib import logger, ODOO_DIR
 
 try:
     # Python 2, where io.StringIO fails because it is unicode-only
     from StringIO import StringIO
 except ImportError:
     from io import StringIO
 
+try:
+    from odoo.tools.config import configmanager
+except ImportError:
+    # For non-pip installations
+    sys.path.append(ODOO_DIR)
+    from odoo.tools.config import configmanager
+
 try:
     from configparser import RawConfigParser
 
@@ -29,9 +37,8 @@ TARGET_FILE = os.environ.get("OPENERP_SERVER", "/opt/odoo/auto/odoo.conf")
 if ODOO_VERSION not in {"8.0", "9.0"}:
     TARGET_FILE = os.environ.get("ODOO_RC", TARGET_FILE)
 CONFIG_DIRS = ("/opt/odoo/common/conf.d", "/opt/odoo/custom/conf.d")
-CONFIG_FILES = []
 
-# Read all configuraiton files found in those folders
+# Read all configuration files found in those folders
 logger.info("Merging found configuration files in %s", TARGET_FILE)
 for dir_ in CONFIG_DIRS:
     try:
@@ -40,6 +47,24 @@ for dir_ in CONFIG_DIRS:
     except OSError:  # TODO Use FileNotFoundError when we drop python 2
         continue
 
+
+# Add configuration parameters sent via env vars
+odoo_cfg = configmanager()
+cfg_env_prefix = 'ODOO_CFG_'
+
+for k, val in os.environ.items():
+    if not val or not k.startswith(cfg_env_prefix):
+        continue
+
+    parameter = k.split(cfg_env_prefix)[1].lower()
+    if parameter in odoo_cfg.options:
+        parser.set('options', parameter, val)
+
+# Warn user about all invalid parameters
+invalid_params = set(parser.options) - set(odoo_cfg.options)
+for param in invalid_params:
+    logger.warning("'%s' is not a valid Odoo configuration parameter")
+
 # Write it to a memory string object
 with closing(StringIO()) as resultfp:
     parser.write(resultfp)