mirror of
https://github.com/apache/cloudstack.git
synced 2025-12-17 02:53:18 +01:00
c7a887a51c
Otherwise it's easy to trigger the racy issue. This one just contained fix for reconfigLB.sh
58 lines
1.8 KiB
Bash
Executable File
58 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
|
|
|
|
#
|
|
# Copyright (C) 2010 Cloud.com, Inc. All rights reserved.
|
|
#
|
|
# This software is licensed under the GNU General Public License v3 or later.
|
|
#
|
|
# It is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or any later version.
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
|
|
name="reconfigLB"
|
|
|
|
source func.sh
|
|
locked=$(getLockFile $name)
|
|
if [ "$locked" != "1" ]
|
|
then
|
|
logger -t cloud "Fail to get the lock for " $name
|
|
exit 1
|
|
fi
|
|
|
|
ret=0
|
|
# save previous state
|
|
mv /etc/haproxy/haproxy.cfg /etc/haproxy/haproxy.cfg.old
|
|
mv /var/run/haproxy.pid /var/run/haproxy.pid.old
|
|
|
|
mv /etc/haproxy/haproxy.cfg.new /etc/haproxy/haproxy.cfg
|
|
kill -TTOU $(cat /var/run/haproxy.pid.old)
|
|
sleep 2
|
|
if haproxy -D -p /var/run/haproxy.pid -f /etc/haproxy/haproxy.cfg; then
|
|
echo "New haproxy instance successfully loaded, stopping previous one."
|
|
kill -KILL $(cat /var/run/haproxy.pid.old)
|
|
rm -f /var/run/haproxy.pid.old
|
|
ret=0
|
|
else
|
|
echo "New instance failed to start, resuming previous one."
|
|
kill -TTIN $(cat /var/run/haproxy.pid.old)
|
|
rm -f /var/run/haproxy.pid
|
|
mv /var/run/haproxy.pid.old /var/run/haproxy.pid
|
|
mv /etc/haproxy/haproxy.cfg /etc/haproxy/haproxy.cfg.new
|
|
mv /etc/haproxy/haproxy.cfg.old /etc/haproxy/haproxy.cfg
|
|
ret=1
|
|
fi
|
|
|
|
releaseLockFile $name $locked
|
|
|
|
exit $ret
|