alertmanager: attach all labels except some

ops_bot/alertmanager.py

@@ -14,7 +14,7 @@ def prometheus_alert_to_markdown(
     Converts a prometheus alert json to markdown
     """
     messages = []
-    known_labels = ["alertname", "instance", "job"]
+    ignore_labels = ["grafana_folder", "alertname"]
     for alert in alert_data["alerts"]:
         title = (
             alert["annotations"]["description"]
@@ -34,17 +34,13 @@ def prometheus_alert_to_markdown(
         plain = f"{status}:  {title}"
         header_str = f"{status.upper()}[{status}]"
         formatted = f"<strong><font color={color}>{header_str}</font></strong>:  [{title}]({generatorURL})"
-        for label_name in known_labels:
-            try:
-                plain += "\n* **{0}**: {1}".format(
-                    label_name.capitalize(), alert["labels"][label_name]
-                )
-                formatted += "\n* **{0}**: {1}".format(
-                    label_name.capitalize(), alert["labels"][label_name]
-                )
-            except Exception as e:
-                logging.error("error parsing labels", exc_info=e)
-                pass
+        for label_name, label_value in alert["labels"].items():
+            if label_name.startswith("__"):
+                continue
+            if label_name in ignore_labels:
+                continue
+            plain += "\n* **{0}**: {1}".format(label_name.capitalize(), label_value)
+            formatted += "\n* **{0}**: {1}".format(label_name.capitalize(), label_value)
         messages.append((plain, formatted))
     return messages