atlasbot: add node ages to snapshot

ariadne/services/cluster_state.py

@@ -155,6 +155,7 @@ def _node_details(payload: dict[str, Any]) -> list[dict[str, Any]]:
             continue
         roles = _node_roles(labels)
         conditions = _node_pressure_conditions(status.get("conditions"))
+        created_at = metadata.get("creationTimestamp") if isinstance(metadata.get("creationTimestamp"), str) else ""
         details.append(
             {
                 "name": name,
@@ -169,6 +170,8 @@ def _node_details(payload: dict[str, Any]) -> list[dict[str, Any]]:
                 "kubelet": node_info.get("kubeletVersion") or "",
                 "container_runtime": node_info.get("containerRuntimeVersion") or "",
                 "addresses": _node_addresses(status),
+                "created_at": created_at,
+                "age_hours": _age_hours(created_at),
                 "capacity": _node_capacity(status.get("capacity")),
                 "allocatable": _node_capacity(status.get("allocatable")),
                 "pressure": conditions,
@@ -178,6 +181,16 @@ def _node_details(payload: dict[str, Any]) -> list[dict[str, Any]]:
     return details
 
 
+def _age_hours(timestamp: str) -> float | None:
+    if not timestamp:
+        return None
+    try:
+        parsed = datetime.fromisoformat(timestamp.replace("Z", "+00:00"))
+    except ValueError:
+        return None
+    return round((datetime.now(timezone.utc) - parsed).total_seconds() / 3600, 1)
+
+
 def _summarize_inventory(details: list[dict[str, Any]]) -> dict[str, Any]:
     summary = {
         "total": 0,

tests/test_cluster_state.py

@@ -31,7 +31,11 @@ def test_collect_cluster_state(monkeypatch) -> None:
                         },
                     },
                     {
-                        "metadata": {"name": "node-b", "labels": {"kubernetes.io/arch": "amd64"}},
+                        "metadata": {
+                            "name": "node-b",
+                            "labels": {"kubernetes.io/arch": "amd64"},
+                            "creationTimestamp": "2026-01-01T00:00:00Z",
+                        },
                         "status": {
                             "conditions": [{"type": "Ready", "status": "False"}],
                             "nodeInfo": {"architecture": "amd64"},
@@ -111,6 +115,7 @@ def test_collect_cluster_state(monkeypatch) -> None:
     assert snapshot["nodes_summary"]["ready"] == 1
     assert "pressure_nodes" in snapshot["nodes_summary"]
     assert snapshot["nodes_detail"]
+    assert snapshot["nodes_detail"][1]["age_hours"] is not None
     assert snapshot["workloads"]
     assert snapshot["namespace_pods"]
     assert snapshot["namespace_pods"][0]["namespace"] == "media"