snapshot: summarize namespaces

atlasbot/snapshot/builder.py

@@ -73,6 +73,7 @@ def build_summary(snapshot: dict[str, Any] | None) -> dict[str, Any]:
     summary.update(_build_nodes(snapshot))
     summary.update(_build_hardware(nodes_detail))
     summary.update(_build_pods(metrics))
+    summary.update(_build_namespace_pods(snapshot))
     summary.update(_build_postgres(metrics))
     summary.update(_build_hottest(metrics))
     summary.update(_build_workloads(snapshot))
@@ -129,6 +130,13 @@ def _build_pods(metrics: dict[str, Any]) -> dict[str, Any]:
     return {"pods": pods}
 
 
+def _build_namespace_pods(snapshot: dict[str, Any]) -> dict[str, Any]:
+    namespaces = snapshot.get("namespace_pods")
+    if not isinstance(namespaces, list) or not namespaces:
+        return {}
+    return {"namespace_pods": namespaces}
+
+
 def _build_postgres(metrics: dict[str, Any]) -> dict[str, Any]:
     postgres = metrics.get("postgres_connections") if isinstance(metrics.get("postgres_connections"), dict) else {}
     if not postgres:
@@ -261,6 +269,29 @@ def _append_pods(lines: list[str], summary: dict[str, Any]) -> None:
     )
 
 
+def _append_namespace_pods(lines: list[str], summary: dict[str, Any]) -> None:
+    namespaces = summary.get("namespace_pods")
+    if not isinstance(namespaces, list) or not namespaces:
+        return
+    top = sorted(
+        (item for item in namespaces if isinstance(item, dict)),
+        key=lambda item: (-int(item.get("pods_total") or 0), item.get("namespace") or ""),
+    )[:8]
+    parts = []
+    for item in top:
+        name = item.get("namespace")
+        total = item.get("pods_total")
+        running = item.get("pods_running")
+        if not name:
+            continue
+        label = f"{name}={total}"
+        if running is not None:
+            label = f"{label} (running={running})"
+        parts.append(label)
+    if parts:
+        lines.append("namespaces_top: " + "; ".join(parts))
+
+
 def _append_restarts(lines: list[str], summary: dict[str, Any]) -> None:
     metrics = summary.get("metrics") if isinstance(summary.get("metrics"), dict) else {}
     top_restarts = metrics.get("top_restarts_1h") or []
@@ -371,6 +402,7 @@ def summary_text(snapshot: dict[str, Any] | None) -> str:
     _append_nodes(lines, summary)
     _append_hardware(lines, summary)
     _append_pods(lines, summary)
+    _append_namespace_pods(lines, summary)
     _append_restarts(lines, summary)
     _append_postgres(lines, summary)
     _append_hottest(lines, summary)