init stacks

2026-03-21 14:12:55 +01:00
commit d3e8da2e25
1919 changed files with 200787 additions and 0 deletions
@@ -0,0 +1,44 @@
+import yaml
+
+with open("correlation/rules.yaml") as f:
+    RULES = yaml.safe_load(f)
+
+def correlate(alert):
+    service = alert["service"]
+    rules = RULES["services"].get(service, {})
+    return {
+        "service": service,
+        "severity": alert["severity"],
+        "metrics": alert["metrics"],
+        "depends_on": rules.get("depends_on", []),
+        "impact": rules.get("impact", [])
+    }
+
+def evaluate(rules: list, metrics: dict):
+    incidents = []
+
+    for rule in rules:
+        matched = True
+
+        for metric, condition in rule["when"].items():
+            value = metrics.get(metric)
+
+            if value is None:
+                matched = False
+                break
+
+            if "gt" in condition and value <= condition["gt"]:
+                matched = False
+
+            if "lt" in condition and value >= condition["lt"]:
+                matched = False
+
+        if matched:
+            incidents.append({
+                "id": rule["id"],
+                "severity": rule["severity"],
+                "impact": rule["impact"],
+                "metrics": metrics,
+            })
+
+    return incidents