c5b0c59b78
need to flush asic db in swss.sh instead of syncd.sh orchagent might already started in swss.sh and put commands into asic db before asic db is flushed in syncd.sh. This causes race condition such as INIT_VIEW not passing to syncd. Signed-off-by: Guohan Lu <gulv@microsoft.com>
145 lines
3.8 KiB
Bash
Executable File
145 lines
3.8 KiB
Bash
Executable File
#!/bin/bash
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SERVICE="swss"
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PEER="syncd"
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DEBUGLOG="/tmp/swss-syncd-debug.log"
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LOCKFILE="/tmp/swss-syncd-lock"
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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 lock_service_state_change()
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{
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debug "Locking ${LOCKFILE} from ${SERVICE} service"
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exec {LOCKFD}>${LOCKFILE}
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/usr/bin/flock -x ${LOCKFD}
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trap "/usr/bin/flock -u ${LOCKFD}" 0 2 3 15
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debug "Locked ${LOCKFILE} (${LOCKFD}) from ${SERVICE} service"
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}
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function unlock_service_state_change()
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{
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debug "Unlocking ${LOCKFILE} (${LOCKFD}) from ${SERVICE} service"
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/usr/bin/flock -u ${LOCKFD}
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}
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function check_warm_boot()
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{
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SYSTEM_WARM_START=`/usr/bin/redis-cli -n 6 hget "WARM_RESTART_ENABLE_TABLE|system" enable`
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SERVICE_WARM_START=`/usr/bin/redis-cli -n 6 hget "WARM_RESTART_ENABLE_TABLE|${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"$WARM_BOOT" == x"true" ]]; then
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RESTORE_COUNT=`/usr/bin/redis-cli -n 6 hget "WARM_RESTART_TABLE|orchagent" restore_count`
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# We have to make sure db data has not been flushed.
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if [[ -z "$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 wait_for_database_service()
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{
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# Wait for redis server start before database clean
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until [[ $(/usr/bin/docker exec database redis-cli ping | grep -c PONG) -gt 0 ]];
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do sleep 1;
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done
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# Wait for configDB initialization
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until [[ $(/usr/bin/docker exec database redis-cli -n 4 GET "CONFIG_DB_INITIALIZED") ]];
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do sleep 1;
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done
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}
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# This function cleans up the tables with specific prefixes from the database
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# $1 the index of the database
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# $2 the string of a list of table prefixes
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function clean_up_tables()
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{
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redis-cli -n $1 EVAL "
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local tables = {$2}
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for i = 1, table.getn(tables) do
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local matches = redis.call('KEYS', tables[i])
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for j,name in ipairs(matches) do
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redis.call('DEL', name)
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end
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end" 0
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}
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start() {
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debug "Starting ${SERVICE} service..."
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lock_service_state_change
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wait_for_database_service
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check_warm_boot
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validate_restore_count
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debug "Warm boot flag: ${SERVICE} ${WARM_BOOT}."
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# Don't flush DB during warm boot
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if [[ x"$WARM_BOOT" != x"true" ]]; then
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debug "Flushing APP, ASIC, COUNTER, CONFIG, and partial STATE databases ..."
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/usr/bin/docker exec database redis-cli -n 0 FLUSHDB
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/usr/bin/docker exec database redis-cli -n 1 FLUSHDB
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/usr/bin/docker exec database redis-cli -n 2 FLUSHDB
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/usr/bin/docker exec database redis-cli -n 5 FLUSHDB
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clean_up_tables 6 "'PORT_TABLE*', 'MGMT_PORT_TABLE*', 'VLAN_TABLE*', 'VLAN_MEMBER_TABLE*', 'INTERFACE_TABLE*', 'MIRROR_SESSION*', 'VRF_TABLE*'"
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fi
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# start service docker
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/usr/bin/${SERVICE}.sh start
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debug "Started ${SERVICE} service..."
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# Unlock has to happen before reaching out to peer service
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unlock_service_state_change
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if [[ x"$WARM_BOOT" != x"true" ]]; then
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/bin/systemctl start ${PEER}
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fi
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/usr/bin/${SERVICE}.sh attach
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}
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stop() {
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debug "Stopping ${SERVICE} service..."
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[[ -f ${LOCKFILE} ]] || /usr/bin/touch ${LOCKFILE}
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lock_service_state_change
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check_warm_boot
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debug "Warm boot flag: ${SERVICE} ${WARM_BOOT}."
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/usr/bin/${SERVICE}.sh stop
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debug "Stopped ${SERVICE} service..."
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# Unlock has to happen before reaching out to peer service
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unlock_service_state_change
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# if warm start enabled or peer lock exists, don't stop peer service docker
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if [[ x"$WARM_BOOT" != x"true" ]]; then
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/bin/systemctl stop ${PEER}
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fi
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}
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case "$1" in
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start|stop)
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$1
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;;
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*)
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echo "Usage: $0 {start|stop}"
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exit 1
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;;
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esac
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