matthew/sonic-buildimage
Archived
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

BGP warm reboot script to service (#3992)

Browse Source 
* [sonic-buildimage] Move BGP warm reboot scripts into BGP service /usr/local/bin

* Revert "[sonic-buildimage] Move BGP warm reboot scripts into BGP service /usr/local/bin"

This reverts commit d16d163fc4.

* [sonic-buildimage] Move BGP warm reboot script to BGP service

* [sonic-buildimage] Move BGP warm reboot script to BGP service

* [sonic-buildimage] Move BGP warm reboot script to BGP service
- access DB correctly

* Address code review comments, also change file mode of bgp.sh (+x)

* Address code review comments, also change the file mode of bgp.sh (+x)

* BGP warm reboot script to service, also handle fast boot as indicated by flag saved in StateDB

* BGP warm reboot script to service, code review comments on space alignment

* BGP warm reboot script to service: remove uncesseary space

* BGP warm reboot script to service: replace tab with space

* Code review comments: -) use new multi-db api -) add ignore error from zebra in case it's not configured

* Integrate with multi-ASIC changes committed recently

Co-authored-by: heidi.ou@alibaba-inc.com <heidi.ou@alibaba-inc.com>
This commit is contained in:
heidinet2007 2020-07-15 11:46:23 -07:00 committed by GitHub
parent 545fe3ecd0
commit de51b9e424
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 103 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
files/build_templates/sonic_debian_extension.j2
View File

@ -527,6 +527,7 @@ sudo LANG=C chroot $FILESYSTEM_ROOT umount -lf /sys
# Copy swss and syncd service script
sudo LANG=C cp $SCRIPTS_DIR/swss.sh $FILESYSTEM_ROOT/usr/local/bin/swss.sh
sudo LANG=C cp $SCRIPTS_DIR/syncd.sh $FILESYSTEM_ROOT/usr/local/bin/syncd.sh
sudo LANG=C cp $SCRIPTS_DIR/bgp.sh $FILESYSTEM_ROOT/usr/local/bin/bgp.sh
# Copy sonic-netns-exec script
sudo LANG=C cp $SCRIPTS_DIR/sonic-netns-exec $FILESYSTEM_ROOT/usr/bin/sonic-netns-exec

102
files/scripts/bgp.sh Executable file
View File

@ -0,0 +1,102 @@
#!/bin/bash
function debug()
{
/usr/bin/logger $1
/bin/echo `date` "- $1" >> ${DEBUGLOG}
}
function check_warm_boot()
{
SYSTEM_WARM_START=`$SONIC_DB_CLI STATE_DB hget "WARM_RESTART_ENABLE_TABLE|system" enable`
SERVICE_WARM_START=`$SONIC_DB_CLI STATE_DB hget "WARM_RESTART_ENABLE_TABLE|${SERVICE}" enable`
if [[ x"$SYSTEM_WARM_START" == x"true" ]] || [[ x"$SERVICE_WARM_START" == x"true" ]]; then
WARM_BOOT="true"
else
WARM_BOOT="false"
fi
}
function validate_restore_count()
{
if [[ x"$WARM_BOOT" == x"true" ]]; then
RESTORE_COUNT=`$SONIC_DB_CLI STATE_DB hget "WARM_RESTART_TABLE|bgp" restore_count`
# We have to make sure db data has not been flushed.
if [[ -z "$RESTORE_COUNT" ]]; then
WARM_BOOT="false"
fi
fi
}
function check_fast_boot ()
{
if [[ $($SONIC_DB_CLI STATE_DB GET "FAST_REBOOT|system") == "1" ]]; then
FAST_BOOT = "true"
else
FAST_BOOT = "false"
fi
}
start() {
debug "Starting ${SERVICE}$DEV service..."
check_warm_boot
validate_restore_count
check_fast_boot
debug "Warm boot flag: ${SERVICE}$DEV ${WARM_BOOT}."
debug "Fast boot flag: ${SERVICE}$DEV ${Fast_BOOT}."
# start service docker
/usr/bin/${SERVICE}.sh start $DEV
debug "Started ${SERVICE}$DEV service..."
}
wait() {
/usr/bin/${SERVICE}.sh wait $DEV
}
stop() {
debug "Stopping ${SERVICE}$DEV service..."
check_warm_boot
check_fast_boot
debug "Warm boot flag: ${SERVICE}$DEV ${WARM_BOOT}."
debug "Fast boot flag: ${SERVICE}$DEV ${FAST_BOOT}."
# Kill bgpd to start the bgp graceful restart procedure
if [[ x"$WARM_BOOT" == x"true" ]] || [[ x"$FAST_BOOT" == x"true" ]]; then
debug "Kill zebra first"
/usr/bin/docker exec -i bgp pkill -9 zebra || [ $? == 1 ]
/usr/bin/docker exec -i bgp pkill -9 bgpd || [ $? == 1 ]
fi
/usr/bin/${SERVICE}.sh stop $DEV
debug "Stopped ${SERVICE}$DEV service..."
}
DEV=$2
SERVICE="bgp"
DEBUGLOG="/tmp/bgp-debug$DEV.log"
NAMESPACE_PREFIX="asic"
if [ "$DEV" ]; then
NET_NS="$NAMESPACE_PREFIX$DEV" #name of the network namespace
SONIC_DB_CLI="sonic-db-cli -n $NET_NS"
else
NET_NS=""
SONIC_DB_CLI="sonic-db-cli"
fi
case "$1" in
start|wait|stop)
$1
;;
*)
echo "Usage: $0 {start|wait|stop}"
exit 1
;;
esac