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[warm-reboot]: added automated recover for ISSU file #1

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[warm-reboot]: added automated recover for ISSU file #1

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1fd720f
[warm-reboot]: added automated recover for ISSU file
vadymhlushko-mlnx Feb 24, 2021
f3ac16b
[warm-reboot]: fixed review comments
vadymhlushko-mlnx Mar 9, 2021
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26 changes: 8 additions & 18 deletions scripts/fast-reboot
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Original file line number Diff line number Diff line change
Expand Up @@ -170,26 +170,21 @@ function request_pre_shutdown()
}
}

function recover_issu_bank_file_instruction()
function recover_issu_bank_file()
{
debug "To recover (${ISSU_BANK_FILE}) file, do the following:"
debug "$ docker exec -it syncd sx_api_dbg_generate_dump.py"
debug "$ docker exec -it syncd cat /tmp/sdkdump | grep 'ISSU Bank'"
debug "Command above will print the VALUE of ISSU BANK - 0 or 1, use this VALUE in the next command"
debug "$ printf VALUE > /host/warmboot/issu_bank.txt"
debug "Recovering the (${ISSU_BANK_FILE}) file"
docker exec -i syncd sx_api_dbg_generate_dump.py
issu_bank_value=`docker exec -i syncd cat /tmp/sdkdump | grep 'ISSU Bank' | grep -o -E '[0-9]+'`
printf $issu_bank_value > /host/warmboot/issu_bank.txt
}

function check_issu_bank_file()
{
ISSU_BANK_FILE=/host/warmboot/issu_bank.txt
MLNX_ISSU_BANK_BROKEN=102

if [[ ! -s "$ISSU_BANK_FILE" ]]; then
error "(${ISSU_BANK_FILE}) does NOT exist or empty ..."
recover_issu_bank_file_instruction
if [[ "$1" = true ]]; then
exit "${MLNX_ISSU_BANK_BROKEN}"
fi
recover_issu_bank_file
return
fi

Expand All @@ -199,10 +194,7 @@ function check_issu_bank_file()
if [[ $issu_file_chars_count != 1 ]] ||
[[ "$issu_file_content" != "0" && "$issu_file_content" != "1" ]]; then
error "(${ISSU_BANK_FILE}) is broken ..."
recover_issu_bank_file_instruction
if [[ "$1" = true ]]; then
exit "${MLNX_ISSU_BANK_BROKEN}"
fi
recover_issu_bank_file
fi
}

Expand Down Expand Up @@ -585,10 +577,8 @@ if [[ "$REBOOT_TYPE" = "warm-reboot" || "$REBOOT_TYPE" = "fastfast-reboot" ]]; t
# Pre-shutdown syncd
initialize_pre_shutdown

BEFORE_PRE_SHUTDOWN=true

if [[ "x$sonic_asic_type" == x"mellanox" ]]; then
check_issu_bank_file "$BEFORE_PRE_SHUTDOWN"
check_issu_bank_file
fi

request_pre_shutdown
Expand Down