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[swss]: Update swss.sh script to clean up specific db when start #2223

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Nov 3, 2018
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[swss]: Update swss.sh script to clean up specific db when start #2223

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17 changes: 16 additions & 1 deletion files/scripts/swss.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,21 @@ function wait_for_database_service()
done
}

# This function cleans up the tables with specific prefixes from the database
# $1 the index of the database
# $2 the string of a list of table prefixes
function clean_up_tables()
{
redis-cli -n $1 EVAL "
local tables = {$2}
for i = 1, table.getn(tables) do
local matches = redis.call('KEYS', tables[i])
for j,name in ipairs(matches) do
redis.call('DEL', name)
end
end" 0
}

start() {
debug "Starting ${SERVICE} service..."

Expand All @@ -78,7 +93,7 @@ start() {
/usr/bin/docker exec database redis-cli -n 0 FLUSHDB
/usr/bin/docker exec database redis-cli -n 2 FLUSHDB
/usr/bin/docker exec database redis-cli -n 5 FLUSHDB
/usr/bin/docker exec database redis-cli -n 6 FLUSHDB
clean_up_tables 6 "'PORT_TABLE*', 'MGMT_PORT_TABLE*', 'VLAN_TABLE*', 'VLAN_MEMBER_TABLE*', 'INTERFACE_TABLE*', 'MIRROR_SESSION*', 'WARM_RESTART_TABLE*'"
fi

# start service docker
Expand Down