488 lines
15 KiB
Bash
Executable File
488 lines
15 KiB
Bash
Executable File
#!/bin/bash
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DEV=$2
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SERVICE="swss"
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PEER="syncd"
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DEBUGLOG="/tmp/swss-syncd-debug$DEV.log"
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LOCKFILE="/tmp/swss-syncd-lock$DEV"
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NAMESPACE_PREFIX="asic"
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ETC_SONIC_PATH="/etc/sonic/"
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. /usr/local/bin/asic_status.sh
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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 read_dependent_services()
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{
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# Update dependent list based on other packages requirements
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if [[ -f ${ETC_SONIC_PATH}/${SERVICE}_dependent ]]; then
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DEPENDENT="${DEPENDENT} $(cat ${ETC_SONIC_PATH}/${SERVICE}_dependent)"
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fi
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if [[ -f ${ETC_SONIC_PATH}/${SERVICE}_multi_inst_dependent ]]; then
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MULTI_INST_DEPENDENT="${MULTI_INST_DEPENDENT} $(cat ${ETC_SONIC_PATH}/${SERVICE}_multi_inst_dependent)"
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fi
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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 ${SERVICE}$DEV 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}" EXIT
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debug "Locked ${LOCKFILE} (${LOCKFD}) from ${SERVICE}$DEV 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 ${SERVICE}$DEV service"
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/usr/bin/flock -u ${LOCKFD}
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}
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function check_warm_boot()
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{
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SYSTEM_WARM_START=`$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 check_fast_boot()
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{
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SYSTEM_FAST_REBOOT=`sonic-db-cli STATE_DB hget "FAST_RESTART_ENABLE_TABLE|system" enable`
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if [[ x"${SYSTEM_FAST_REBOOT}" == x"true" ]]; then
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FAST_BOOT="true"
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else
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FAST_BOOT="false"
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fi
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}
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function validate_restore_count()
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{
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if [[ x"$WARM_BOOT" == x"true" ]]; then
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RESTORE_COUNT=`$SONIC_DB_CLI STATE_DB hget "WARM_RESTART_TABLE|orchagent" restore_count`
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# We have to make sure db data has not been flushed.
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if [[ -z "$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 [[ $($SONIC_DB_CLI PING | grep -c PONG) -gt 0 ]]; do
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sleep 1;
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done
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# Wait for configDB initialization
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until [[ $($SONIC_DB_CLI CONFIG_DB GET "CONFIG_DB_INITIALIZED") -eq 1 ]];
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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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# $2 the string of a list of table prefixes
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function clean_up_tables()
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{
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$SONIC_DB_CLI $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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# This function cleans up the chassis db table entries created ONLY by this asic
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# This is used to do the clean up operation when the line card / asic reboots
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# When the asic/lc is RE-booting, the chassis db server is supposed to be running
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# in the supervisor. So the clean up is done when only the chassis db connectable.
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# Otherwise no need to do the clean up since both the supervisor and line card may be
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# rebooting (the whole chassis scenario)
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# The clean up operation is required to delete only those entries created by
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# the asic that is rebooted. Entries from the following tables are deleted in the order
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# given below
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# (1) SYSTEM_NEIGH
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# (2) SYSTEM_INTERFACE
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# (3) SYSTEM_LAG_MEMBER_TABLE
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# (4) SYSTEM_LAG_TABLE
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# (5) The corresponding LAG IDs of the entries from SYSTEM_LAG_TABLE
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# SYSTEM_LAG_ID_TABLE and SYSTEM_LAG_ID_SET are adjusted appropriately
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function clean_up_chassis_db_tables()
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{
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if [[ !($($SONIC_DB_CLI CHASSIS_APP_DB PING | grep -c True) -gt 0) ]]; then
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return
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fi
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lc=`$SONIC_DB_CLI CONFIG_DB hget 'DEVICE_METADATA|localhost' 'hostname'`
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asic=`$SONIC_DB_CLI CONFIG_DB hget 'DEVICE_METADATA|localhost' 'asic_name'`
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switch_type=`$SONIC_DB_CLI CONFIG_DB hget 'DEVICE_METADATA|localhost' 'switch_type'`
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# Run clean up only in swss running for voq switches
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if is_chassis_supervisor || [[ $switch_type != 'voq' ]]; then
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return
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fi
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# First, delete SYSTEM_NEIGH entries
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$SONIC_DB_CLI CHASSIS_APP_DB EVAL "
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local host = string.gsub(ARGV[1], '%-', '%%-')
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local dev = ARGV[2]
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local ps = 'SYSTEM_NEIGH*|' .. host .. '|' .. dev
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local keylist = redis.call('KEYS', 'SYSTEM_NEIGH*')
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for j,key in ipairs(keylist) do
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if string.match(key, ps) ~= nil then
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redis.call('DEL', key)
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end
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end
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return " 0 $lc $asic
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# Wait for some time before deleting system interface so that the system interface's "object in use"
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# is cleared in both orchangent and in syncd. Without this delay, the orchagent clears the refcount
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# but the syncd (meta) still has no-zero refcount. Because of this, orchagent gets "object still in use"
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# error and aborts.
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sleep 30
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# Next, delete SYSTEM_INTERFACE entries
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$SONIC_DB_CLI CHASSIS_APP_DB EVAL "
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local host = string.gsub(ARGV[1], '%-', '%%-')
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local dev = ARGV[2]
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local ps = 'SYSTEM_INTERFACE*|' .. host .. '|' .. dev
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local keylist = redis.call('KEYS', 'SYSTEM_INTERFACE*')
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for j,key in ipairs(keylist) do
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if string.match(key, ps) ~= nil then
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redis.call('DEL', key)
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end
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end
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return " 0 $lc $asic
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# Next, delete SYSTEM_LAG_MEMBER_TABLE entries
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$SONIC_DB_CLI CHASSIS_APP_DB EVAL "
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local host = string.gsub(ARGV[1], '%-', '%%-')
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local dev = ARGV[2]
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local ps = 'SYSTEM_LAG_MEMBER_TABLE*|' .. host .. '|' .. dev
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local keylist = redis.call('KEYS', 'SYSTEM_LAG_MEMBER_TABLE*')
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for j,key in ipairs(keylist) do
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if string.match(key, ps) ~= nil then
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redis.call('DEL', key)
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end
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end
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return " 0 $lc $asic
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# Wait for some time before deleting system lag so that the all the memebers of the
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# system lag will be cleared.
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sleep 15
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# Finally, delete SYSTEM_LAG_TABLE entries and deallot LAG IDs
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$SONIC_DB_CLI CHASSIS_APP_DB EVAL "
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local host = string.gsub(ARGV[1], '%-', '%%-')
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local dev = ARGV[2]
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local ps = 'SYSTEM_LAG_TABLE*|' .. '(' .. host .. '|' .. dev ..'.*' .. ')'
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local keylist = redis.call('KEYS', 'SYSTEM_LAG_TABLE*')
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for j,key in ipairs(keylist) do
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local lagname = string.match(key, ps)
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if lagname ~= nil then
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redis.call('DEL', key)
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local lagid = redis.call('HGET', 'SYSTEM_LAG_ID_TABLE', lagname)
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redis.call('SREM', 'SYSTEM_LAG_ID_SET', lagid)
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redis.call('HDEL', 'SYSTEM_LAG_ID_TABLE', lagname)
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end
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end
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return " 0 $lc $asic
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}
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start_peer_and_dependent_services() {
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check_warm_boot
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if [[ x"$WARM_BOOT" != x"true" ]]; then
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for peer in ${PEER}; do
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if [[ ! -z $DEV ]]; then
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/bin/systemctl start ${peer}@$DEV
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else
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/bin/systemctl start ${peer}
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fi
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done
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for dep in ${DEPENDENT}; do
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/bin/systemctl start ${dep}
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done
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for dep in ${MULTI_INST_DEPENDENT}; do
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if [[ ! -z $DEV ]]; then
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/bin/systemctl start ${dep}@$DEV
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else
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/bin/systemctl start ${dep}
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fi
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done
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fi
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}
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stop_peer_and_dependent_services() {
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# if warm/fast start enabled or peer lock exists, don't stop peer service docker
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if [[ x"$WARM_BOOT" != x"true" ]] && [[ x"$FAST_BOOT" != x"true" ]]; then
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for dep in ${MULTI_INST_DEPENDENT}; do
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if [[ ! -z $DEV ]]; then
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/bin/systemctl stop ${dep}@$DEV
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else
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/bin/systemctl stop ${dep}
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fi
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done
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for dep in ${DEPENDENT}; do
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/bin/systemctl stop ${dep}
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done
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for peer in ${PEER}; do
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if [[ ! -z $DEV ]]; then
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/bin/systemctl stop ${peer}@$DEV
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else
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/bin/systemctl stop ${peer}
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fi
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done
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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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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: ${SERVICE}$DEV ${WARM_BOOT}."
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# Don't flush DB during warm boot
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if [[ x"$WARM_BOOT" != x"true" ]]; then
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debug "Flushing APP, ASIC, COUNTER, CONFIG, and partial STATE databases ..."
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$SONIC_DB_CLI APPL_DB FLUSHDB
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$SONIC_DB_CLI ASIC_DB FLUSHDB
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$SONIC_DB_CLI COUNTERS_DB FLUSHDB
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$SONIC_DB_CLI FLEX_COUNTER_DB FLUSHDB
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$SONIC_DB_CLI GB_ASIC_DB FLUSHDB
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$SONIC_DB_CLI GB_COUNTERS_DB FLUSHDB
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$SONIC_DB_CLI RESTAPI_DB FLUSHDB
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clean_up_tables STATE_DB "'PORT_TABLE*', 'MGMT_PORT_TABLE*', 'VLAN_TABLE*', 'VLAN_MEMBER_TABLE*', 'LAG_TABLE*', 'LAG_MEMBER_TABLE*', 'INTERFACE_TABLE*', 'MIRROR_SESSION*', 'VRF_TABLE*', 'FDB_TABLE*', 'FG_ROUTE_TABLE*', 'BUFFER_POOL*', 'BUFFER_PROFILE*', 'MUX_CABLE_TABLE*', 'ADVERTISE_NETWORK_TABLE*', 'VXLAN_TUNNEL_TABLE*', 'MACSEC_PORT_TABLE*', 'MACSEC_INGRESS_SA_TABLE*', 'MACSEC_EGRESS_SA_TABLE*', 'MACSEC_INGRESS_SC_TABLE*', 'MACSEC_EGRESS_SC_TABLE*', 'VRF_OBJECT_TABLE*', 'VNET_MONITOR_TABLE*', 'BFD_SESSION_TABLE*', 'VNET_ROUTE_TUNNEL_TABLE*'"
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$SONIC_DB_CLI APPL_STATE_DB FLUSHDB
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clean_up_chassis_db_tables
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rm -rf /tmp/cache
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fi
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# On supervisor card, skip starting asic related services here. In wait(),
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# wait until the asic is detected by pmon and published via database.
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if ! is_chassis_supervisor; then
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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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fi
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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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}
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wait() {
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# On supervisor card, wait for asic to be online before starting the docker.
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if is_chassis_supervisor; then
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check_asic_status
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ASIC_STATUS=$?
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# start service docker
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if [[ $ASIC_STATUS == 0 ]]; then
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/usr/bin/${SERVICE}.sh start $DEV
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debug "Started ${SERVICE}$DEV service..."
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fi
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fi
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start_peer_and_dependent_services
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# Allow some time for peer container to start
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# NOTE: This assumes Docker containers share the same names as their
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# corresponding services
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for SECS in {1..60}; do
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ALL_PEERS_RUNNING=true
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for peer in ${PEER}; do
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if [[ ! -z $DEV ]]; then
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RUNNING=$(docker inspect -f '{{.State.Running}}' ${peer}$DEV)
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else
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RUNNING=$(docker inspect -f '{{.State.Running}}' ${peer})
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fi
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if [[ x"$RUNNING" != x"true" ]]; then
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ALL_PEERS_RUNNING=false
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break
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fi
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done
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ALL_DEPS_RUNNING=true
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for dep in ${MULTI_INST_DEPENDENT}; do
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if [[ ! -z $DEV ]]; then
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DEP_RUNNING=$(docker inspect -f '{{.State.Running}}' ${dep}$DEV)
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else
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DEP_RUNNING=$(docker inspect -f '{{.State.Running}}' ${dep})
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fi
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if [[ x"$DEP_RUNNING" != x"true" ]]; then
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ALL_DEPS_RUNNING=false
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break
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fi
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done
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if [[ x"$ALL_PEERS_RUNNING" == x"true" && x"$ALL_DEPS_RUNNING" == x"true" ]]; then
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break
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else
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sleep 1
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fi
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done
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# NOTE: This assumes Docker containers share the same names as their
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# corresponding services
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for dep in ${MULTI_INST_DEPENDENT}; do
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if [[ ! -z $DEV ]]; then
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ALL_DEPS="$ALL_DEPS ${dep}$DEV"
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else
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ALL_DEPS="$ALL_DEPS ${dep}"
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fi
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done
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if [[ ! -z $DEV ]]; then
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/usr/bin/docker-wait-any -s ${SERVICE}$DEV -d `printf "%s$DEV " ${PEER}` ${ALL_DEPS}
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else
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/usr/bin/docker-wait-any -s ${SERVICE} -d ${PEER} ${ALL_DEPS}
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fi
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}
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stop() {
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debug "Stopping ${SERVICE}$DEV 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: ${SERVICE}$DEV ${WARM_BOOT}."
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check_fast_boot
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debug "Fast boot flag: ${SERVICE}$DEV ${FAST_BOOT}."
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# For WARM/FAST boot do not perform service stop
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if [[ x"$WARM_BOOT" != x"true" ]] && [[ x"$FAST_BOOT" != x"true" ]]; then
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/usr/bin/${SERVICE}.sh stop $DEV
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debug "Stopped ${SERVICE}$DEV service..."
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$SONIC_DB_CLI APPL_DB DEL PORT_TABLE:PortInitDone
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debug "Cleared PortInitDone from APPL_DB..."
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else
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debug "Killing Docker swss..."
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/usr/bin/docker kill swss &> /dev/null || debug "Docker swss is not running ($?) ..."
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fi
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# Flush FAST_REBOOT table when swss needs to stop. The only
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# time when this would take effect is when fast-reboot
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# encountered error, e.g. syncd crashed. And swss needs to
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# be restarted.
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if [[ x"$FAST_BOOT" != x"true" ]]; then
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debug "Clearing FAST_RESTART_ENABLE_TABLE flag..."
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sonic-db-cli STATE_DB hset "FAST_RESTART_ENABLE_TABLE|system" "enable" "false"
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fi
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# Unlock has to happen before reaching out to peer service
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unlock_service_state_change
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stop_peer_and_dependent_services
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}
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function check_peer_gbsyncd()
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{
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GEARBOX_CONFIG=/usr/share/sonic/device/$PLATFORM/$HWSKU/$DEV/gearbox_config.json
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if [ -f $GEARBOX_CONFIG ]; then
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PEER="$PEER gbsyncd"
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fi
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}
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function check_macsec()
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{
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MACSEC_STATE=`$SONIC_DB_CLI CONFIG_DB hget 'FEATURE|macsec' state`
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if [[ ${MACSEC_STATE} == 'enabled' ]]; then
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if [ "$DEV" ]; then
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DEPENDENT="${DEPENDENT} macsec@${DEV}"
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else
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DEPENDENT="${DEPENDENT} macsec"
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fi
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fi
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}
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function check_ports_present()
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{
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PORT_CONFIG_INI=/usr/share/sonic/device/$PLATFORM/$HWSKU/$DEV/port_config.ini
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HWSKU_JSON=/usr/share/sonic/device/$PLATFORM/$HWSKU/$DEV/hwsku.json
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if [[ -f $PORT_CONFIG_INI ]] || [[ -f $HWSKU_JSON ]]; then
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return 0
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fi
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return 1
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}
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function check_service_exists()
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{
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systemctl list-units --full -all 2>/dev/null | grep -Fq $1
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if [[ $? -eq 0 ]]; then
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echo true
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return
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else
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echo false
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return
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fi
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}
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# DEPENDENT initially contains namespace independent services
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# namespace specific services are added later in this script.
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DEPENDENT=""
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MULTI_INST_DEPENDENT=""
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if [[ $(check_service_exists radv) == "true" ]]; then
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DEPENDENT="$DEPENDENT radv"
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fi
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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 $NET_NS"
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DEPENDENT+=" bgp@${DEV}"
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else
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NET_NS=""
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SONIC_DB_CLI="sonic-db-cli"
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DEPENDENT+=" bgp"
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fi
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PLATFORM=`$SONIC_DB_CLI CONFIG_DB hget 'DEVICE_METADATA|localhost' platform`
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HWSKU=`$SONIC_DB_CLI CONFIG_DB hget 'DEVICE_METADATA|localhost' hwsku`
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check_peer_gbsyncd
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check_macsec
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check_ports_present
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PORTS_PRESENT=$?
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if [[ $PORTS_PRESENT == 0 ]] && [[ $(check_service_exists teamd) == "true" ]]; then
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MULTI_INST_DEPENDENT="teamd"
|
|
fi
|
|
|
|
read_dependent_services
|
|
|
|
case "$1" in
|
|
start|wait|stop)
|
|
$1
|
|
;;
|
|
*)
|
|
echo "Usage: $0 {start|wait|stop}"
|
|
exit 1
|
|
;;
|
|
esac
|