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bug 11351: Add monitor process for keepalived 

Then when the process dead, we can know it and prevent two MASTER case happened.
This commit is contained in:
Sheng Yang 2011-09-14 02:58:45 -07:00
parent 014e19546c
commit ba2fc97865
4 changed files with 40 additions and 0 deletions
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10
patches/systemvm/debian/config/etc/init.d/cloud-early-config
View File

@ -348,6 +348,8 @@ setup_redundant_router() {
cp /root/redundant_router/backup.sh.templ $rrouter_bin_path/backup.sh
cp /root/redundant_router/fault.sh.templ $rrouter_bin_path/fault.sh
cp /root/redundant_router/primary-backup.sh.templ $rrouter_bin_path/primary-backup.sh
cp /root/redundant_router/heartbeat.sh.templ $rrouter_bin_path/heartbeat.sh
cp /root/redundant_router/check_heartbeat.sh.templ $rrouter_bin_path/check_heartbeat.sh
cp /root/redundant_router/checkrouter.sh.templ /root/checkrouter.sh
sed -i "s/\[ROUTER_ID\]/$NAME/g" /etc/keepalived/keepalived.conf
sed -i "s/\[ROUTER_IP\]/$GUEST_GW\/$GUEST_CIDR_SIZE/g" /etc/keepalived/keepalived.conf
@ -366,10 +368,13 @@ setup_redundant_router() {
sed -i "s/\[RROUTER_BIN_PATH\]/$rrouter_bin_path_str/g" $rrouter_bin_path/master.sh
sed -i "s/\[RROUTER_BIN_PATH\]/$rrouter_bin_path_str/g" $rrouter_bin_path/backup.sh
sed -i "s/\[RROUTER_BIN_PATH\]/$rrouter_bin_path_str/g" $rrouter_bin_path/fault.sh
sed -i "s/\[RROUTER_BIN_PATH\]/$rrouter_bin_path_str/g" $rrouter_bin_path/heartbeat.sh
sed -i "s/\[RROUTER_BIN_PATH\]/$rrouter_bin_path_str/g" $rrouter_bin_path/check_heartbeat.sh
sed -i "s/\[RROUTER_LOG\]/$rrouter_log_str/g" $rrouter_bin_path/master.sh
sed -i "s/\[RROUTER_LOG\]/$rrouter_log_str/g" $rrouter_bin_path/backup.sh
sed -i "s/\[RROUTER_LOG\]/$rrouter_log_str/g" $rrouter_bin_path/fault.sh
sed -i "s/\[RROUTER_LOG\]/$rrouter_log_str/g" $rrouter_bin_path/primary-backup.sh
sed -i "s/\[RROUTER_LOG\]/$rrouter_log_str/g" $rrouter_bin_path/check_heartbeat.sh
sed -i "s/\[RROUTER_LOG\]/$rrouter_log_str/g" /root/checkrouter.sh
chmod a+x $rrouter_bin_path/*.sh
@ -379,6 +384,11 @@ setup_redundant_router() {
then
sed -i "s/if\ start-stop-daemon\ --start/sleep\ 10;if\ start-stop-daemon\ --start/g" /etc/init.d/keepalived
fi
crontab -l|grep "check_heartbeat.sh"
if [ $? -ne 0 ]
then
(crontab -l; echo "*/1 * * * * $rrouter_bin_path/check_heartbeat.sh 2>&1 > /dev/null") | crontab
fi
}
setup_router() {

20
patches/systemvm/debian/config/root/redundant_router/check_heartbeat.sh.templ Executable file
View File

@ -0,0 +1,20 @@
#!/bin/bash
if [ -e [RROUTER_BIN_PATH]/keepalived.ts2 ]
then
lasttime=$(cat [RROUTER_BIN_PATH]/keepalived.ts2)
thistime=$(cat [RROUTER_BIN_PATH]/keepalived.ts)
diff=$(($thistime - $lasttime))
if [ $diff -gt 100 ]
then
echo Keepalived process is dead! >> [RROUTER_LOG]
service keepalived stop >> [RROUTER_LOG] 2>&1
service conntrackd stop >> [RROUTER_LOG] 2>&1
pkill -9 keepalived >> [RROUTER_LOG] 2>&1
ifconfig eth2 down >> [RROUTER_LOG] 2>&1
echo Status: FAULT \(keepalived process is dead\) >> [RROUTER_LOG]
exit
fi
fi
cp [RROUTER_BIN_PATH]/keepalived.ts [RROUTER_BIN_PATH]/keepalived.ts2

4
patches/systemvm/debian/config/root/redundant_router/heartbeat.sh.templ Executable file
View File

@ -0,0 +1,4 @@
#!/bin/bash
t=$(date +%s)
echo $t > [RROUTER_BIN_PATH]/keepalived.ts

6
patches/systemvm/debian/config/root/redundant_router/keepalived.conf.templ
View File

@ -10,6 +10,11 @@ vrrp_script check_bumpup {
weight [DELTA]
}
vrrp_script heartbeat {
script "[RROUTER_BIN_PATH]/heartbeat.sh"
interval 10
}
vrrp_instance inside_network {
state BACKUP
interface eth0
@ -28,6 +33,7 @@ vrrp_instance inside_network {
track_script {
check_bumpup
heartbeat
}
#nopreempt