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[baseimage]: Fix process-reboot-cause possibly throwing OSError (#3159)

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In case of going from previous iteration of SONiC, and the last reboot
was hardware, REBOOT_CAUSE_FILE may not be present and the service may
throw an error.
This commit is contained in:
zzhiyuan 2019-07-16 08:34:11 -07:00 committed by Ying Xie
parent e1129c9dff
commit 0869fd3925
1 changed files with 2 additions and 1 deletions
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3
files/image_config/process-reboot-cause/process-reboot-cause
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@ -109,7 +109,8 @@ def main():
log_info("Previous reboot cause: {}".format(previous_reboot_cause))
# Remove the old REBOOT_CAUSE_FILE
os.remove(REBOOT_CAUSE_FILE)
if os.path.exists(REBOOT_CAUSE_FILE):
os.remove(REBOOT_CAUSE_FILE)
# Write a new default reboot cause file for the next reboot
cause_file = open(REBOOT_CAUSE_FILE, "w")