add Pipeline.summary()

csst_common/pipeline.py

@@ -78,6 +78,9 @@ class Pipeline:
         clean_output_before_run: bool = True,
         **kwargs: Any,
     ):
+        # record start time
+        self.t_start = Time.now()
+
         # get pipeline information from env vars
         self.pipeline_id: str = os.getenv("PIPELINE_ID", "-")
         self.build: str = os.getenv("BUILD", "-")
@@ -147,9 +150,11 @@ class Pipeline:
         h.set("CREATED", self.pipeline_id, comment="pipeline build time")
         return reformat_header(h, strip=False, comment="Pipeline summary")
 
-    def summarize(self):
+    def summary(self):
         """Summarize this run."""
-        pass
+        t_stop: Time = Time.now()
+        t_cost: float = (t_stop - self.t_start).value * 86400.0
+        self.pipeline_logger.info(f"Total cost: {t_cost} sec")
 
     def clean_output(self):
         """Clean output directory."""