From 6058a1ca58db055d6f53cb17394743d56e243003 Mon Sep 17 00:00:00 2001
From: dspitzba <daniel.spitzbart@cern.ch>
Date: Tue, 24 Oct 2023 11:29:58 -0400
Subject: [PATCH] check if controlhub is running if problem with KCU connection
is observed
---
tamalero/utils.py | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/tamalero/utils.py b/tamalero/utils.py
index 1c45e5a..79a1c00 100644
--- a/tamalero/utils.py
+++ b/tamalero/utils.py
@@ -319,9 +319,27 @@ def get_kcu(kcu_address, control_hub=True, host='localhost', verbose=False):
adr_table="address_table/generic/etl_test_fw.xml")
break
except uhal.exception or uhal._core.exception:
+ if control_hub:
+ # we could be checking if control hub is running earlier, but since the control hub path is hardcoded
+ # I only want to do it if really necessary. if controlhub is running happily from another directory, that's fine too
+ try:
+ control_hub_running = os.popen("/opt/cactus/bin/controlhub_status").readlines()[0].count("ControlHub is up")
+ except IndexError:
+ control_hub_running = False
+ print(f"Trying to run using controlhub, but it seems to not be installed in /opt/cactus/bin/")
+
+ if control_hub_running:
+ # if control hub is running, try again to establish a connection
+ pass
+ else:
+ print("Controlhub is not running. Start it with: /opt/cactus/bin/controlhub_start")
+ print("Exiting.")
+ return 0
+
trycnt += 1
time.sleep(1)
if (trycnt > 10):
+ if control_hub: print("controlhub status:", "running" if control_hub_running else "not running")
print ("Could not establish connection with KCU. Exiting.")
return 0
--
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