ansible.fftdf.supernode/files/keepalive.exit.sh.j2
2016-05-01 18:23:43 +02:00

132 lines
4.4 KiB
Django/Jinja

#!/bin/bash
/usr/local/sbin/batctl gw off
/usr/sbin/service bird6 stop
/usr/sbin/service bird stop
/usr/sbin/service tunneldigger stop
/usr/sbin/service radvd stop
/usr/sbin/service isc-dhcp-server stop
while [ true ] ; do
online=$(/bin/cat /etc/supernode-status/supernode.status)
mode=$(/bin/cat /etc/supernode-status/supernode.mode)
iam=$(/bin/hostname)
day=$(date +%d)
BATCTL=/usr/local/sbin/batctl
#### Settings ####
# Names of the 2 Supernodes #
SN1=troisdorf5
SN2=troisdorf6
active_SN=$(/bin/hostname)
# Turn loadbalance on/off #
loadbalance=$(cat /etc/supernode-status/loadbalancing.mode)
##################
# functions #
# Supernode off #
supernode_off () {
$BATCTL gw off
/usr/sbin/service bird6 stop
/usr/sbin/service bird stop
/usr/sbin/service tunneldigger stop
/usr/sbin/service radvd stop
/usr/sbin/service isc-dhcp-server stop
if [ $loadbalance == 1 ] && [ $mode != 0 ]; then
echo 3 > /etc/supernode-status/supernode.status
else
echo 0 > /etc/supernode-status/supernode.status
fi
echo "collectd.gateways.troisdorf5.sn-status $online `date +%s`" | nc -q 0 10.188.1.27 2003
}
# Supernode on #
supernode_on () {
$BATCTL gw server 100Mbit/100Mbit
/usr/sbin/service bird6 start
/usr/sbin/service bird start
/usr/sbin/service tunneldigger start
/usr/sbin/service radvd start
/usr/sbin/service isc-dhcp-server start
if [ $loadbalance == 1 ]; then
echo 1 > /etc/supernode-status/supernode.status
else
echo 2 > /etc/supernode-status/supernode.status
fi
echo "collectd.gateways.troisdorf5.sn-status $online `date +%s`" | nc -q 0 10.188.1.27 2003
}
# Restart Services #
supernode_fail () {
$BATCTL gw off
/usr/sbin/service bird6 restart
/usr/sbin/service bird restart
/usr/sbin/service tunneldigger restart
/usr/sbin/service radvd restart
/usr/sbin/service isc-dhcp-server restart
echo 0 > /etc/supernode-status/supernode.status
echo "collectd.gateways.troisdorf5.sn-status $online `date +%s`" | nc -q 0 10.188.1.27 2003
}
# who am i ? #
if [ $iam = "troisdorf5" ];
then
my_SN_IP=185.66.193.105
other_SN_IP=185.66.193.106
other_SN_IP_EXTERN=46.4.138.189
else
my_SN_IP=185.66.193.106
other_SN_IP=185.66.193.105
other_SN_IP_EXTERN=5.9.76.198
fi
if [ $loadbalance = "1" ] && [ $mode != "0" ];
then
if [ $day -gt 15 ]
then
active_SN=$SN1
else
active_SN=$SN2
fi
fi
#Check other Supernode
if [ $iam != $active_SN ];
then
ping -q -c5 $other_SN_IP -I eth0 > /dev/null
if [ $? -eq 0 ]
then
if [ $online ==1 ] || [ $online = 2 ]; then
curl -X POST --data-urlencode 'payload={"text": "Aktiver Supernode wieder online. Ich habe mich wieder ausgeschaltet", "channel": "#technik", "username": "{{ sn_hostname }}", "icon_emoji": ":white_check_mark:"}' https://hooks.slack.com/services/{{ slack_token }}
fi
supernode_off
else
supernode_on
curl -X POST --data-urlencode 'payload={"text": "Aktiver Supernode offline. Ich habe mich eingeschaltet", "channel": "#technik", "username": "{{ sn_hostname }}", "icon_emoji": ":warning:"}' https://hooks.slack.com/services/{{ slack_token }}
sleep 300
fi
else
# Check this Supernode
if [ $mode != "0" ]; then
ping -q -c5 $my_SN_IP -I eth0 > /dev/null
if [ $? -eq 0 ]
then
if [ $online = 0 ] || [ $online = 3 ]; then
curl -X POST --data-urlencode 'payload={"text": "Ich bin jetzt Supernode!", "channel": "#technik", "username": "{{ sn_hostname }}", "icon_emoji": ":white_check_mark:"}' https://hooks.slack.com/services/{{ slack_token }}
fi
supernode_on
else
supernode_fail
curl -X POST --data-urlencode 'payload={"text": "Ich konnte mich selbst nicht anpingen. Ich versuche mal die Services neu zu starten", "channel": "#technik", "username": "{{ sn_hostname }}", "icon_emoji": ":warning:"}' https://hooks.slack.com/services/{{ slack_token }}
fi
fi
fi
if [ $mode = "0" ]; then
supernode_off
fi
for service in bird bird6 dhcpd radvd python named
do
x=`pidof $service`;
if [ "$x" = "" ]; then
echo "collectd.gateways.troisdorf5.$service 0 `date +%s`" | nc -q 0 10.188.1.27 2003
echo 0 > /etc/supernode-status/"$service".status
else
echo "collectd.gateways.troisdorf5.$service 1 `date +%s`" | nc -q 0 10.188.1.27 2003
echo 1 > /etc/supernode-status/"$service".status
fi
done
sleep 60
done