Add indexing pipeline type (#3461)

haystack/pipelines/base.py

@@ -571,7 +571,7 @@ def run(  # type: ignore
                 i = 0
             else:
                 i += 1  # attempt executing next node in the queue as current `node_id` has unprocessed predecessors
-        self.send_pipeline_event_if_needed()
+        self.send_pipeline_event_if_needed(is_indexing=file_paths is not None)
         return node_output
 
     @pipeline_invocation_counter
@@ -2237,14 +2237,14 @@ def uptime(self) -> timedelta:
         """
         return datetime.datetime.now(datetime.timezone.utc) - self.init_time
 
-    def send_pipeline_event(self):
+    def send_pipeline_event(self, is_indexing: bool = False):
         fingerprint = sha1(json.dumps(self.get_config(), sort_keys=True).encode()).hexdigest()
         run_total = self.run.counter + self.run_batch.counter
         send_custom_event(
             "pipeline",
             payload={
                 "fingerprint": fingerprint,
-                "type": self.get_type(),
+                "type": "Indexing" if is_indexing else self.get_type(),
                 "uptime": int(self.uptime().total_seconds()),
                 "run_total": run_total,
                 "run_total_window": run_total - self.last_window_run_total,
@@ -2254,10 +2254,10 @@ def send_pipeline_event(self):
         self.time_of_last_sent_event = datetime.datetime(now.year, now.month, now.day, tzinfo=datetime.timezone.utc)
         self.last_window_run_total = run_total
 
-    def send_pipeline_event_if_needed(self):
+    def send_pipeline_event_if_needed(self, is_indexing: bool = False):
         should_send_event = self.has_event_time_interval_exceeded() or self.has_event_run_total_threshold_exceeded()
         if should_send_event and not self.sent_event_in_window:
-            self.send_pipeline_event()
+            self.send_pipeline_event(is_indexing)
             self.sent_event_in_window = True
         elif self.has_event_time_interval_exceeded():
             self.sent_event_in_window = False