109 lines
3.0 KiB
Bash
109 lines
3.0 KiB
Bash
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#!/bin/bash
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function debug()
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{
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/usr/bin/logger $1
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/bin/echo `date` "- $1" >> ${DEBUGLOG}
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}
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function check_warm_boot()
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{
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SYSTEM_WARM_START=`$SONIC_DB_CLI STATE_DB hget "WARM_RESTART_ENABLE_TABLE|system" enable`
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SERVICE_WARM_START=`$SONIC_DB_CLI STATE_DB hget "WARM_RESTART_ENABLE_TABLE|${SERVICE}" enable`
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if [[ x"$SYSTEM_WARM_START" == x"true" ]] || [[ x"$SERVICE_WARM_START" == x"true" ]]; then
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WARM_BOOT="true"
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else
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WARM_BOOT="false"
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fi
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}
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function validate_restore_count()
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{
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if [[ x"$WARM_BOOT" == x"true" ]]; then
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RESTORE_COUNT=`$SONIC_DB_CLI STATE_DB hget "WARM_RESTART_TABLE|${SERVICE}" restore_count`
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# We have to make sure db data has not been flushed.
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if [[ -z "$RESTORE_COUNT" ]]; then
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WARM_BOOT="false"
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fi
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fi
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}
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function check_fast_boot ()
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{
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if [[ $($SONIC_DB_CLI STATE_DB GET "FAST_REBOOT|system") == "1" ]]; then
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FAST_BOOT="true"
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else
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FAST_BOOT="false"
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fi
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}
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start() {
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debug "Starting ${SERVICE}$DEV service..."
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check_warm_boot
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validate_restore_count
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check_fast_boot
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debug "Warm boot flag: ${SERVICE}$DEV ${WARM_BOOT}."
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debug "Fast boot flag: ${SERVICE}$DEV ${Fast_BOOT}."
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# start service docker
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/usr/bin/${SERVICE}.sh start $DEV
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debug "Started ${SERVICE}$DEV service..."
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}
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wait() {
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/usr/bin/${SERVICE}.sh wait $DEV
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}
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stop() {
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debug "Stopping ${SERVICE}$DEV service..."
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check_warm_boot
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check_fast_boot
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debug "Warm boot flag: ${SERVICE}$DEV ${WARM_BOOT}."
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debug "Fast boot flag: ${SERVICE}$DEV ${FAST_BOOT}."
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if [[ x"$WARM_BOOT" == x"true" ]]; then
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# Send USR1 signal to all teamd instances to stop them
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# It will prepare teamd for warm-reboot
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# Note: We must send USR1 signal before syncd, because it will send the last packet through CPU port
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docker exec -i ${SERVICE}$DEV pkill -USR1 ${SERVICE} > /dev/null || [ $? == 1 ]
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elif [[ x"$FAST_BOOT" == x"true" ]]; then
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# Kill teamd processes inside of teamd container with SIGUSR2 to allow them to send last LACP frames
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# We call `docker kill teamd` to ensure the container stops as quickly as possible,
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# Note: teamd must be killed before syncd, because it will send the last packet through CPU port
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docker exec -i ${SERVICE}$DEV pkill -USR2 ${SERVICE} || [ $? == 1 ]
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while docker exec -i ${SERVICE}$DEV pgrep ${SERVICE} > /dev/null; do
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sleep 0.05
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done
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docker kill ${SERVICE}$DEV &> /dev/null || debug "Docker ${SERVICE}$DEV is not running ($?) ..."
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fi
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/usr/bin/${SERVICE}.sh stop $DEV
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debug "Stopped ${SERVICE}$DEV service..."
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}
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DEV=$2
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SERVICE="teamd"
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DEBUGLOG="/tmp/teamd-debug$DEV.log"
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NAMESPACE_PREFIX="asic"
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if [ "$DEV" ]; then
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NET_NS="$NAMESPACE_PREFIX$DEV" #name of the network namespace
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SONIC_DB_CLI="sonic-db-cli -n $NET_NS"
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else
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SONIC_DB_CLI="sonic-db-cli"
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fi
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case "$1" in
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start|wait|stop)
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$1
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;;
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*)
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echo "Usage: $0 {start|wait|stop}"
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exit 1
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;;
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esac
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