sonic-buildimage/files/image_config/warmboot-finalizer/finalize-warmboot.sh
Ying Xie 2b8eca5ebb [control plane assistant] stop control plane assistant after warm reboot (#3337)
Delay saving configuration so that the control assistant configurations
won't be persisted.

Signed-off-by: Ying Xie <ying.xie@microsoft.com>
2019-08-15 20:28:42 +00:00

111 lines
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Executable File

#! /bin/bash
VERBOSE=no
# Check components
COMP_LIST="orchagent neighsyncd bgp"
EXP_STATE="reconciled"
ASSISTANT_SCRIPT="/usr/bin/neighbor_advertiser"
function debug()
{
/usr/bin/logger "WARMBOOT_FINALIZER : $1"
if [[ x"${VERBOSE}" == x"yes" ]]; then
echo `date` "- $1"
fi
}
function check_warm_boot()
{
WARM_BOOT=`/usr/bin/redis-cli -n 6 hget "WARM_RESTART_ENABLE_TABLE|system" enable`
}
function wait_for_database_service()
{
debug "Wait for database to become ready..."
# Wait for redis server start before database clean
until [[ $(/usr/bin/docker exec database redis-cli ping | grep -c PONG) -gt 0 ]];
do sleep 1;
done
# Wait for configDB initialization
until [[ $(/usr/bin/docker exec database redis-cli -n 4 GET "CONFIG_DB_INITIALIZED") ]];
do sleep 1;
done
debug "Database is ready..."
}
function get_component_state()
{
/usr/bin/redis-cli -n 6 hget "WARM_RESTART_TABLE|$1" state
}
function check_list()
{
RET_LIST=''
for comp in $@; do
state=`get_component_state ${comp}`
if [[ x"${state}" != x"${EXP_STATE}" ]]; then
RET_LIST="${RET_LIST} ${comp}"
fi
done
echo ${RET_LIST}
}
function finalize_warm_boot()
{
debug "Finalizing warmboot..."
sudo config warm_restart disable
}
function stop_control_plane_assistant()
{
if [[ -x ${ASSISTANT_SCRIPT} ]]; then
debug "Tearing down control plane assistant ..."
${ASSISTANT_SCRIPT} -m reset
fi
}
wait_for_database_service
check_warm_boot
if [[ x"${WARM_BOOT}" != x"true" ]]; then
debug "warmboot is not enabled ..."
exit 0
fi
list=${COMP_LIST}
# Wait up to 5 minutes
for i in `seq 60`; do
list=`check_list ${list}`
if [[ -z "${list}" ]]; then
break
fi
sleep 5
done
stop_control_plane_assistant
# Save DB after stopped control plane assistant to avoid extra entries
debug "Save in-memory database after warm reboot ..."
config save -y
if [[ -n "${list}" ]]; then
debug "Some components didn't finish reconcile: ${list} ..."
fi
finalize_warm_boot