log host and time

bin/jobsub_cmd

@@ -39,7 +39,7 @@ import creds
 import get_parser
 import condor
 from version import print_version, print_support_email
-from tracing import as_span
+from tracing import as_span, log_host_time
 
 
 class StoreGroupinEnvironment(argparse.Action):
@@ -75,6 +75,8 @@ def main() -> None:
     arglist, passthru = parser.parse_known_args()
     verbose = arglist.verbose
 
+    log_host_time(verbose)
+
     if arglist.version:
         print_version()
 

bin/jobsub_fetchlog

@@ -50,7 +50,7 @@ from get_parser import get_jobid_parser
 from condor import Job
 from utils import cleanup
 from version import print_version, print_support_email
-from tracing import as_span, add_event
+from tracing import as_span, add_event, log_host_time
 
 
 verbose = 0
@@ -246,6 +246,7 @@ def main():
     args = parser.parse_args()
 
     verbose = args.verbose
+    log_host_time(verbose)
 
     if args.version:
         print_version()

bin/jobsub_submit

@@ -43,7 +43,7 @@ PREFIX = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 #
 sys.path.append(os.path.join(PREFIX, "lib"))
 from packages import pkg_find
-from tracing import as_span
+from tracing import as_span, log_host_time
 
 pkg_find("jinja")  # type: ignore
 import jinja2 as jinja
@@ -116,6 +116,8 @@ def main():
 
     verbose = args.verbose
 
+    log_host_time(verbose)
+
     # if they were trying to pass LD_LIBRARY_PATH to the job, get it from HIDE_LD_LIBRARY_PATH
     if "LD_LIBRARY_PATH" in args.environment and os.environ.get(
         "HIDE_LD_LIBRARY_PATH", ""

lib/tracing.py

@@ -18,8 +18,10 @@
 """
 
 from functools import wraps
+import datetime
 import os
 import sys
+import socket
 import logging
 from typing import Dict, Any, Callable, TypeVar, Optional, List
 
@@ -168,3 +170,19 @@ def wrapper(*args, **kwargs):  # type: ignore
         return wrapper  # type: ignore
 
     return as_span_inner
+
+
+#
+# log the current time and hostname in a way that also shows up in the
+# Jaeger trace...
+#
+
+
+@as_span("log_host_time")
+def log_host_time(verbose: int) -> None:
+    datestr = str(datetime.datetime.now())
+    fqdn = socket.getfqdn()
+    msg = f"running on hostname {fqdn} at {datestr}\n"
+    add_event("log_host_time", {"host": fqdn, "date": datestr})
+    if verbose != 0:
+        sys.stderr.write(msg)