webui: don't re-use the manager reload_config function

It does some logging which causes permission errors, it is misleading
because it logs as the manager, etc.

Author: FrostyX

resallocwebui/app.py

@@ -1,9 +1,8 @@
-import os
+import yaml
 from flask import Flask, render_template
 from resallocserver.app import session_scope
 from resallocserver.logic import QResources
 from resallocserver import models
-from resallocserver.manager import reload_config
 from resalloc.helpers import RState
 from resallocwebui import staticdir, templatedir
 
@@ -12,6 +11,15 @@
 app.static_folder = staticdir
 
 
+def load_config():
+    try:
+        config_file = "/etc/resallocserver/pools.yaml"
+        with open(config_file, "r") as fp:
+            return yaml.safe_load(fp)
+    except OSError:
+        return {}
+
+
 @app.route("/")
 def home():
     return render_template("home.html", resources=resources)
@@ -38,7 +46,7 @@ def pools():
     # e.g. result["copr_hv_x86_64_01_prod"]["STARTING"]
     result = {}
 
-    _, pools_from_config = reload_config()
+    pools_from_config = load_config()
 
     # Prepare the two-dimensional array, and fill it with zeros
     with session_scope() as session:
@@ -50,7 +58,7 @@ def pools():
                 continue
 
             result[pool.name]["DESCRIPTION"] =\
-                pools_from_config[pool.name].description
+                pools_from_config[pool.name]["description"]
 
     with session_scope() as session:
         # Iterate over running resources and calculate how many is starting,