virt-v2v/0007-o-rhv-upload-Improve-host-id-logging.patch

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From ff341481eb397d700c346d27c8a23f9732028e03 Mon Sep 17 00:00:00 2001
From: Nir Soffer <nsoffer@redhat.com>
Date: Sat, 6 Apr 2024 00:21:19 +0300
Subject: [PATCH] -o rhv-upload: Improve host id logging
This log[1] is proved confusing for developers:
cannot read /etc/vdsm/vdsm.id, using any host: [Errno 2] No such file or directory: '/etc/vdsm/vdsm.id'
This is actually a debug message, that can help RHV developers to
understand where virt-v2v was running. To make this more clear, in the
expected case when running on non-oVirt host, we log now:
not an oVirt host, using non-oVirt host
For any other error, we can degrade to remote transfer, but we want to
warn the user about this, so we log:
warning: cannot read host id, using non-oVirt host: [Errno 2] No such file or directory: '/etc/vdsm/vdsm.id'
[1] https://github.com/libguestfs/virt-v2v/issues/46#issuecomment-2039604719
RWMJ: Changed "any host" to "non-oVirt host" to make it clearer.
---
output/rhv-upload-transfer.py | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/output/rhv-upload-transfer.py b/output/rhv-upload-transfer.py
index 349e0f59..ed96153b 100644
--- a/output/rhv-upload-transfer.py
+++ b/output/rhv-upload-transfer.py
@@ -43,9 +43,13 @@ def find_host(connection):
try:
with open("/etc/vdsm/vdsm.id") as f:
vdsm_id = f.readline().strip()
+ except FileNotFoundError:
+ # Expected condition when running on non-oVirt host.
+ debug("not an oVirt host, using non-oVirt host")
+ return None
except Exception as e:
- # This is most likely not an oVirt host.
- debug("cannot read /etc/vdsm/vdsm.id, not running on an ovirt host [this is not an error]: original exception: %s" % e)
+ # Unexpected but we can degrade to remote transfer.
+ debug(f"warning: cannot read host id, using non-oVirt host: {e}")
return None
debug("hw_id = %r" % vdsm_id)