feat(cortex-xdr): endpoint_count counts agents below a target build (1.10.0)

agent_version_lt, compared number by number in the script, as the
endpoints API does not filter on the agent version either. Folded into
the unpushed 1.10.0.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LaiNEwG2W5Y9fMo4qXcesr

integrations/cortex-xdr/scripts/endpoint_count.py

@@ -135,16 +135,28 @@ def count(filters):
     return int(reply.get("total_count") or 0)
 
 
-def count_operational(filters, wanted):
-    # The endpoints grid does not filter on operational_status, so the endpoints
-    # the other filters match are read 100 at a time — the API's page ceiling —
-    # and counted here. Costs one call per hundred endpoints.
+def version(v):
+    # "8.5.0.12345" -> (8, 5, 0, 12345); a shorter target such as "8.5" reads as
+    # 8.5.0.0, so it compares against every build of that release line.
+    parts = []
+    for x in str(v or "").strip().split("."):
+        digits = "".join(c for c in x if c.isdigit())
+        parts.append(int(digits) if digits else 0)
+    while len(parts) < 4:
+        parts.append(0)
+    return tuple(parts)
+
+
+def count_local(filters, keep):
+    # The endpoints grid filters neither on operational_status nor on the agent
+    # version, so the endpoints the other filters match are read 100 at a time —
+    # the API's page ceiling — and counted here. One call per hundred endpoints.
     n, start = 0, 0
     while True:
         request_data = {"search_from": start, "search_to": start + 100, "filters": filters}
         reply = post("/endpoints/get_endpoint/", request_data).get("reply") or {}
         page = reply.get("endpoints") or []
-        n += sum(1 for e in page if str(e.get("operational_status") or "").upper() in wanted)
+        n += sum(1 for e in page if keep(e))
         start += len(page)
         if not page or start >= int(reply.get("total_count") or 0):
             return n
@@ -153,16 +165,27 @@ def count_operational(filters, wanted):
 def main():
     inputs = json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
     filters = build_filters(inputs)
+    result = {"filters": filters}
+    tests = []
     wanted = {x.upper() for x in csv(inputs.get("operational_status"))}
     if wanted:
-        result = {"count": count_operational(filters, wanted), "filters": filters,
-                  "operational_status": sorted(wanted)}
+        tests.append(lambda e: str(e.get("operational_status") or "").upper() in wanted)
+        result["operational_status"] = sorted(wanted)
+    below = str(inputs.get("agent_version_lt") or "").strip()
+    if below:
+        target = version(below)
+        # An endpoint that reports no version is not counted as outdated: it is
+        # unknown, and calling it outdated would inflate the figure.
+        tests.append(lambda e: bool(e.get("agent_version")) and version(e.get("agent_version")) < target)
+        result["agent_version_lt"] = below
+    if tests:
+        result["count"] = count_local(filters, lambda e: all(t(e) for t in tests))
     else:
-        result = {"count": count(filters), "filters": filters}
+        result["count"] = count(filters)
     # The fleet total is the denominator the filtered count is read against: it
     # turns a bare number into a proportion, and makes a filter that matched the
     # whole estate — because it was too broad — visible instead of plausible.
-    result["total"] = count([]) if filters or wanted else result["count"]
+    result["total"] = count([]) if filters or tests else result["count"]
     print(json.dumps(result))