sonic-buildimage/device/mellanox/x86_64-mlnx_msn2700-r0/platform_wait
Nazarii Hnydyn 6a4b2d1eef [mellanox]: Enhance pmon synchronization with hw-mgmt platform counters. (#3885)
Signed-off-by: Nazarii Hnydyn <nazariig@mellanox.com>
2019-12-18 11:18:52 -08:00

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1.7 KiB
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#!/bin/bash
declare -r SYSLOG_LOGGER="/usr/bin/logger"
declare -r SYSLOG_IDENTIFIER="platform_wait"
declare -r SYSLOG_ERROR="error"
declare -r SYSLOG_NOTICE="notice"
declare -r SYSLOG_INFO="info"
declare -r HW_MGMT_CONFIG="/var/run/hw-management/config"
declare -r MODULE_COUNTER="${HW_MGMT_CONFIG}/module_counter"
declare -r SFP_COUNTER="${HW_MGMT_CONFIG}/sfp_counter"
declare -r EXIT_SUCCESS="0"
declare -r EXIT_TIMEOUT="1"
function log_error() {
eval "${SYSLOG_LOGGER} -t ${SYSLOG_IDENTIFIER} -p ${SYSLOG_ERROR} $@"
}
function log_notice() {
eval "${SYSLOG_LOGGER} -t ${SYSLOG_IDENTIFIER} -p ${SYSLOG_NOTICE} $@"
}
function log_info() {
eval "${SYSLOG_LOGGER} -t ${SYSLOG_IDENTIFIER} -p ${SYSLOG_INFO} $@"
}
function wait_for_sfp() {
local -r _NUM_MATCH="^[0-9]+$"
local -r _NUM_ZERO="0"
local _MODULE_CNT="0"
local _SFP_CNT="0"
local -i _WDOG_CNT="1"
local -ir _WDOG_MAX="300"
local -r _TIMEOUT="1s"
while [[ "${_WDOG_CNT}" -le "${_WDOG_MAX}" ]]; do
_MODULE_CNT="$(cat ${MODULE_COUNTER} 2>&1)"
_SFP_CNT="$(cat ${SFP_COUNTER} 2>&1)"
if [[ "${_MODULE_CNT}" =~ ${_NUM_MATCH} && "${_SFP_CNT}" =~ ${_NUM_MATCH} ]]; then
if [[ "${_SFP_CNT}" -gt "${_NUM_ZERO}" && "${_MODULE_CNT}" -eq "${_SFP_CNT}" ]]; then
return "${EXIT_SUCCESS}"
fi
fi
let "_WDOG_CNT++"
sleep "${_TIMEOUT}"
done
return "${EXIT_TIMEOUT}"
}
log_info "Wait for SFP interfaces to be ready"
wait_for_sfp
EXIT_CODE="$?"
if [[ "${EXIT_CODE}" != "${EXIT_SUCCESS}" ]]; then
log_error "SFP interfaces are not ready: timeout"
exit "${EXIT_CODE}"
fi
log_info "SFP interfaces are ready"
exit "${EXIT_SUCCESS}"