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Wait for shell prompt after 'Last login:' banner on fresh serial login

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After sending the password, read_until_quiet returned as soon as the
'Last login:' banner went quiet — before the actual shell prompt arrived.
Since 'Last login:' proves the password was accepted, do a second read
(up to 10s) specifically to catch the delayed prompt.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
scott
2026-04-16 12:31:27 -04:00
parent 998fb034a2
commit d7c553fa31
1 changed files with 9 additions and 0 deletions
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9
modules/workflow_serial.py
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@@ -135,6 +135,15 @@ def _login_serial_console(ser: SerialPort) -> tuple:
ok("Logged in to IOM console.") ok("Logged in to IOM console.")
return True, password return True, password
# "Last login:" in the response confirms the password was accepted —
# the shell prompt just hasn't arrived yet (slow shell init or motd).
# Give it up to 10 more seconds to appear.
if "last login" in response.lower():
response += _ANSI_RE.sub("", ser.read_until_quiet(quiet_period=1.5, timeout=10.0))
if _at_shell_prompt(response):
ok("Logged in to IOM console.")
return True, password
error(f"Login failed. Console response: {response.strip()[:120]}") error(f"Login failed. Console response: {response.strip()[:120]}")
return False, "" return False, ""