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tools: fix frr traceback on bgp neighbor bfd deletion

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Problem reported that with certain configs, when the user
deleted a "neighbor x.x.x.x bfd 4 100 100" statement from
frr.conf and then reloaded, a traceback was seen and the
deletion did not succeed.  Found that in some scenarios
it was possible to have something in lines_to_add that
was in a different context and when the re.search was
attempted, it found an empy line and was unhappy.  This
fix avoids trying to search in the wrong context.

Ticket: CM-29145
Signed-off-by: Don Slice <dslice@cumulusnetworks.com>
This commit is contained in:
Don Slice 2020-04-27 19:34:08 +00:00
parent 44fb33ee58
commit ca7f04961d
1 changed files with 6 additions and 5 deletions
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1
tools/frr-reload.py
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@ -779,6 +779,7 @@ def ignore_delete_re_add_lines(lines_to_add, lines_to_del):
bfd_search_string = bfd_nbr + r' bfd (\S+) (\S+) (\S+)' bfd_search_string = bfd_nbr + r' bfd (\S+) (\S+) (\S+)'
for (ctx_keys, add_line) in lines_to_add: for (ctx_keys, add_line) in lines_to_add:
if ctx_keys[0].startswith('router bgp'):
re_add_nbr_bfd_timers = re.search(bfd_search_string, add_line) re_add_nbr_bfd_timers = re.search(bfd_search_string, add_line)
if re_add_nbr_bfd_timers: if re_add_nbr_bfd_timers: