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[teamd]: Send USR1/USR2 only to subscribers. (#8856)

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To fix teamd signal handling, without which Process 'tlm_teamd' exited unexpectedly
This commit is contained in:
Nazarii Hnydyn 2021-10-26 19:12:07 +03:00 committed by Judy Joseph
parent badce1cbf6
commit 5b74f5dccf
1 changed files with 6 additions and 5 deletions
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11
files/scripts/teamd.sh
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@ -5,7 +5,7 @@
function debug()
{
/usr/bin/logger $1
/bin/echo `date` "- $1" >> ${DEBUGLOG}
/bin/echo `date` "- $1" >> ${DEBUG_LOG}
}
function check_warm_boot()
@ -87,13 +87,13 @@ stop() {
# Send USR1 signal to all teamd instances to stop them
# It will prepare teamd for warm-reboot
# Note: We must send USR1 signal before syncd, because it will send the last packet through CPU port
docker exec -i ${SERVICE}$DEV pkill -USR1 ${SERVICE} > /dev/null || [ $? == 1 ]
docker exec -i ${SERVICE}$DEV pkill -USR1 -f ${TEAMD_CMD} > /dev/null || [ $? == 1 ]
elif [[ x"$FAST_BOOT" == x"true" ]]; then
# Kill teamd processes inside of teamd container with SIGUSR2 to allow them to send last LACP frames
# We call `docker kill teamd` to ensure the container stops as quickly as possible,
# Note: teamd must be killed before syncd, because it will send the last packet through CPU port
docker exec -i ${SERVICE}$DEV pkill -USR2 ${SERVICE} || [ $? == 1 ]
while docker exec -i ${SERVICE}$DEV pgrep ${SERVICE} > /dev/null; do
docker exec -i ${SERVICE}$DEV pkill -USR2 -f ${TEAMD_CMD} || [ $? == 1 ]
while docker exec -i ${SERVICE}$DEV pgrep -f ${TEAMD_CMD} > /dev/null; do
sleep 0.05
done
docker kill ${SERVICE}$DEV &> /dev/null || debug "Docker ${SERVICE}$DEV is not running ($?) ..."
@ -106,7 +106,8 @@ stop() {
DEV=$2
SERVICE="teamd"
DEBUGLOG="/tmp/teamd-debug$DEV.log"
TEAMD_CMD="/usr/bin/teamd"
DEBUG_LOG="/tmp/teamd-debug$DEV.log"
NAMESPACE_PREFIX="asic"
if [ "$DEV" ]; then
NET_NS="$NAMESPACE_PREFIX$DEV" #name of the network namespace