Initial import of verae-fleet from zapier monorepo

src/classify.js

@@ -0,0 +1,29 @@
+/**
+ * Row health: operational | degraded | down
+ * @module classify
+ */
+
+/**
+ * @param {{
+ *   min?: number,
+ *   available?: number,
+ *   running?: number,
+ *   paused?: number,
+ *   managed?: boolean,
+ *   instances?: Array<{ pid?: number|null, paused?: boolean, healthy?: boolean }>
+ * }} sv
+ * @returns {'operational'|'degraded'|'down'}
+ */
+export function classifyService(sv) {
+  const min = sv.min ?? 0;
+  const available = sv.available ?? 0;
+  const running = sv.running ?? 0;
+  const paused = sv.paused ?? 0;
+  const inst = sv.instances || [];
+  const unhealthy = inst.filter((i) => i.pid && i.healthy === false && !i.paused).length;
+
+  if (min === 0 && running === 0) return 'operational';
+  if (available === 0 && min > 0) return 'down';
+  if (available >= min && paused === 0 && unhealthy === 0) return 'operational';
+  return 'degraded';
+}