Merge pull request #175 from Will-Cross1/131-update-colour-mapper

Updated colourmapper to map colour in the new way for Grafana

scripts/colourmapper.py

@@ -26,6 +26,32 @@
 args = parser.parse_args()
 
 
+def create_override_dict(name, code):
+    """
+    This function is called during a loop over all mappings in colourmapper.ini
+    This creates a long dictionary that will go into the "overrides" parts of the JSON files
+    """
+    return {
+        "matcher": {
+            "id": "byName",
+            "options": name
+        },
+        "properties": [
+            {
+                "id": "color",
+                "value": {
+                    "fixedColor": code,
+                    "mode": "fixed"
+                }
+            }
+        ]
+    }
+
+override_list = []
+for name, code in alias_colors.items():
+    override_list.append(create_override_dict(name, code))
+
+
 def main():
     """Update the desired JSON file with predefined colors."""
     filename = args.filepath[:-5]  # get filename
@@ -35,7 +61,13 @@ def main():
         data = json.load(reader)  # load file into data variable
 
         for i in range(len(data['panels'])):  # cycle through panels in JSON file
+            # uses two different methods of colour mapping (aliasColours and overrides)
+            # as grafana needs both on the JSON to display all colours
             data['panels'][i]['aliasColors'] = alias_colors
+            try:
+                data['panels'][i]['fieldConfig']['overrides'] = override_list
+            except KeyError:
+                pass
 
         json.dump(data, writer, indent=2, sort_keys=True)  # write to new file
     os.replace(new_path, args.filepath)  # replace original file with new file