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upgrade cEOS to version 4.25.5.1M, fix the issue of arista endless loop #4228

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Merged
yejianquan merged 1 commit into from
Sep 13, 2021
Merged

upgrade cEOS to version 4.25.5.1M, fix the issue of arista endless loop #4228

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6 changes: 3 additions & 3 deletions ansible/group_vars/all/ceos.yml
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
ceos_image_filename: cEOS64-lab-4.23.2F.tar.xz
ceos_image_orig: ceosimage:4.23.2F
ceos_image: ceosimage:4.23.2F-1
ceos_image_filename: cEOS64-lab-4.25.5.1M.tar
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@wangxin wangxin Sep 10, 2021

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The new file is not zipped?

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@yejianquan yejianquan Sep 10, 2021

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yes, it's docker-importable
It's small, just 8mb bigger than cEOS64-lab-4.23.2F.tar.xz
and in our playbook, we download and import directly without unzip, not sure whether previous one is zipped indeed.

ceos_image_orig: ceosimage:4.25.5.1M
ceos_image: ceosimage:4.25.5.1M-1
skip_ceos_image_downloading: false
7 changes: 7 additions & 0 deletions ansible/roles/test/files/ptftests/arista.py
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Expand Up @@ -91,8 +91,15 @@ def do_cmd(self, cmd, prompt = None):
self.shell.send(cmd + '\n')

input_buffer = ''
loop_times = 0
while re.search(prompt, input_buffer) is None:
input_buffer += self.shell.recv(16384)
loop_times += 1
# cEOS will not return a arista_prompt if you send lots of 'exit' to close the ssh connect(vEOS do will),
# then an endless loop emerges,
# so if input_buffer is merely an 'exit', we can break the loop immediately
if loop_times > 10 and input_buffer.replace('\n', '').replace('\r', '').strip().lower() == 'exit':
break

return input_buffer

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