ansible.fftdf.supernode/files/keepalive.exit.sh.j2
2016-03-19 13:03:23 +01:00

115 lines
3.8 KiB
Django/Jinja

#!/bin/bash
echo 0 > /tmp/sn_online
$BATCTL gw off
/usr/sbin/service bird6 stop
/usr/sbin/service bird stop
/usr/sbin/service tunneldigger stop
/usr/sbin/service radvd stop
/usr/sbin/service isc-dhcp-server stop
while [ true ] ; do
online=$(/bin/cat /tmp/sn_online)
iam=$(/bin/hostname)
day=$(date +%d)
BATCTL=/usr/local/sbin/batctl
#### Settings ####
# Names of the 2 Supernodes #
SN1=troisdorf5
SN2=troisdorf6
# Default Supernode if loadbalance=0 or day > 15 #
active_SN=$SN2
# Turn loadbalance on/off #
loadbalance=1
##################
# 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
echo 0 > /tmp/sn_online
echo "collectd.gateways.{{ sn_hostname }}.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
echo 1 > /tmp/sn_online
echo "collectd.gateways.{{ sn_hostname }}.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 > /tmp/sn_online
echo "collectd.gateways.{{ sn_hostname }}.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 ]
then
if [ $day -gt 15 ]
then
active_SN=$SN1
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 ]; 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
ping -q -c5 $my_SN_IP -I eth0 > /dev/null
if [ $? -eq 0 ]
then
if [ $online == 0 ]; 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
for service in bird bird6 isc-dhcp-server radvd python named
do
x=`pidof $service`;
if [ "$x" == "" ]; then
echo "collectd.gateways.{{ sn_hostname }}.$service 0 `date +%s`" | nc -q 0 10.188.1.27 2003
else
echo "collectd.gateways.{{ sn_hostname }}.$service 1 `date +%s`" | nc -q 0 10.188.1.27 2003
fi
done
sleep 60
done