troubleshooting config via docker-compose volume (new logic for debug...

troubleshooting config via docker-compose volume (new logic for debug messages, run.sh reads ini file, but shell env vars get priority over config vars)

run.sh

@@ -2,18 +2,8 @@
 #
 # simple web server running services/comex_main_backend:app
 
-if [ -z "$HOST" ]
-  then export HOST="0.0.0.0"
-fi
+export COMEX_HOST=$(grep COMEX_HOST config/parametres_comex.ini | perl -pe 's/^[^=]+=\s*//')
 
+echo "using \$COMEX_HOST $COMEX_HOST"
 
-if [ "$DEBUG_FLAG" != true ]
-then
-    gunicorn -b $HOST:9090 services.comex_main_backend:app
-else
-    gunicorn -b $HOST:9090 \
-             --log-level debug \
-             services.comex_main_backend:app
-            #  --access-logfile test_gu_access.log
-            #  --error-logfile test_gu_error.log
-fi
+gunicorn -b $COMEX_HOST:9090 services.comex_main_backend:app

services/comex_main_backend.py

@@ -31,6 +31,9 @@ from os          import path
 from traceback   import format_tb
 from json        import dumps
 
+
+print("HELLO starting comex_main_backend.py====================")
+
 if __package__ == 'services':
     # when we're run via import
     from services.user import comex_user
@@ -48,6 +51,10 @@ else:
 
 config = read_config()
 
+
+# DEBUG
+print("config is=====>", config)
+
 # ============= verbose msg =============
 if config['DEBUG_FLAG']:
     print("DEBUG: conf\n  "+"\n  ".join(["%s=%s"%(k,v) for k,v in config.items()]))
@@ -550,4 +557,4 @@ def read_record(incoming_data):
 ########### MAIN ###########
 if __name__ == "__main__":
     # our app should be bound to an ip (cf stackoverflow.com/a/30329547/2489184)
-    app.run(host=config['COMEX_HOST'], port=config['COMEX_PORT'])
+    app.run(host=config['COMEX_HOST'], port=int(config['COMEX_PORT']))

services/tools.py

@@ -32,8 +32,8 @@ def home_path():
 def read_config():
     """
     reads all global config vars trying in order:
-        1) the config file $HOME/parametres_comex.ini
-        2) env variables of the same name
+        1) env variables of the same name
+        2) the config file $HOME/parametres_comex.ini
         3) hard-coded default values
 
     output is a simple dict
@@ -56,18 +56,28 @@ def read_config():
         default = citem['def']
         is_bool = (type(default) == bool)
 
-        if section in ini and varname in ini[section]:
-            if is_bool:
-                out_dict[varname] = ini.getboolean(section, varname)
-            else:
-                out_dict[varname] = ini.get(section, varname)
-        elif varname in environ:
+        print("DEBUG: config for '%s'"%varname)
+
+        if varname in environ:
             if is_bool:
                 out_dict[varname] = (environ[varname] == 'true')
             else:
                 out_dict[varname] = environ[varname]
+            print("DEBUG: ok from env for '%s'"%varname)
+
+        elif section in ini and varname in ini[section]:
+            if is_bool:
+                out_dict[varname] = ini.getboolean(section, varname)
+            else:
+                out_dict[varname] = ini.get(section, varname)
+            print("DEBUG: ok from file for '%s'"%varname)
+
         else:
             out_dict[varname] = default
+            print("DEBUG: ok from default for '%s'"%varname)
+
+    # DEBUG FORCED
+    out_dict['DEBUG_FLAG'] = True
 
     # also add our project home since we have it and we'll need it
     out_dict['HOME'] = our_home

setup/dockers/docker-compose.yml

@@ -9,34 +9,33 @@
          - ../../data/shared_mysql_data:/var/lib/mysql
 
       # in the future: external service (=> just remove doors_test & change DOORS_HOST and DOORS_PORT)
-      doors_test:
-        build: ./minidoors
-        image: minidoors:latest
-        ports:
-         - "32789:8989"
-        volumes:
-         - ../../../shared_minidoors_data:/root/.doors
+    #   doors_test:
+    #     build: ./minidoors
+    #     image: minidoors:latest
+    #     ports:
+    #      - "32789:8989"
+    #     volumes:
+    #      - ../../../shared_minidoors_data:/root/.doors
 
       comex_test:
         ports:
          - "32790:9090"
         build: ./comex2_services
-        image: comex2_services:latest
+        image: comex2_services:testing
         depends_on:
          - comex_db_test
-         - doors_test
+        #  - doors_test
         links:
          - comex_db_test:comex_db_backend
-         - doors_test:doors_backend
+        #  - doors_test:doors_backend
         # links the outside config parametres_comex.ini to the inside
         # /!\ this erases the contained config with the outside one /!\
         volumes:
-         - ../../config/:/comex2/config
-
-        # # moved from env vars to new config vars via volume config
+         - ../../config:/comex2/config
+        # moved from env vars to new config vars via volume config
         # environment:
         #  - HOST=0.0.0.0                # script will bind server to this address
-        #  - DEBUG_FLAG=false
+        #  - DEBUG_FLAG=true
         #  - SQL_HOST=comex_db_backend   # script will read/write sql to this host
         #  - DOORS_HOST=134.158.75.71
         #  - DOORS_PORT=80               # forwarded port we're accessing via ajax in tests