Freifunk-Troisdorf/ansible.fftdf.supernode
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Keepalive changes

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Stefan Hoffmann 2016-03-12 17:02:49 +01:00
parent 4254a646e9
commit 7220630539
1 changed files with 87 additions and 72 deletions
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files/keepalive.exit.sh.j2
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@ -1,81 +1,96 @@
#!/bin/bash #!/bin/bash
#Variablen echo 0 > /tmp/sn_online
while [ true ] ; do while [ true ] ; do
supernode_off () { 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 $BATCTL gw off
/usr/sbin/service bird6 stop /usr/sbin/service bird6 stop
/usr/sbin/service bird stop /usr/sbin/service bird stop
/usr/sbin/service tunneldigger stop /usr/sbin/service tunneldigger stop
/usr/sbin/service radvd stop /usr/sbin/service radvd stop
echo "Active Supernode is running" /usr/sbin/service isc-dhcp-server stop
} echo 0 > /tmp/sn_online
}
supernode_on () { # Supernode on #
supernode_on () {
$BATCTL gw server 100Mbit/100Mbit $BATCTL gw server 100Mbit/100Mbit
/usr/sbin/service bird6 start /usr/sbin/service bird6 start
/usr/sbin/service bird start /usr/sbin/service bird start
/usr/sbin/service tunneldigger start /usr/sbin/service tunneldigger start
/usr/sbin/service radvd start /usr/sbin/service radvd start
/usr/sbin/service isc-dhcp-server start
echo 1 > /tmp/sn_online
} }
# Restart Services #
supernode_fail () { supernode_fail () {
$BATCTL gw off $BATCTL gw off
/usr/sbin/service bird6 restart /usr/sbin/service bird6 restart
/usr/sbin/service bird restart /usr/sbin/service bird restart
/usr/sbin/service tunneldigger restart /usr/sbin/service tunneldigger restart
/usr/sbin/service radvd restart /usr/sbin/service radvd restart
echo "Supernode nicht pingbar" /usr/sbin/service isc-dhcp-server restart
} echo 0 > /tmp/sn_online
}
iam=$(/bin/hostname) # who am i ? #
BATCTL=/usr/local/sbin/batctl if [ $iam == troisdorf5 ]
SN1=troisdorf5 then
SN2=troisdorf6
if [ $iam == troisdorf5 ]
then
my_SN_IP=185.66.193.105 my_SN_IP=185.66.193.105
other_SN_IP=185.66.193.106 other_SN_IP=185.66.193.106
else else
my_SN_IP=185.66.193.106 my_SN_IP=185.66.193.106
other_SN_IP=185.66.193.105 other_SN_IP=185.66.193.105
fi fi
#Auf 1 setzen um Lastverteilung 1/2 Monat einzuschalten if [ $loadbalance == 1 ]
loadbalance=1 then
#Default Supernode if loadbalance=0
active_SN=$SN2
day=$(date +%d)
if [ $loadbalance == 1 ]
then
if [ $day -gt 15 ] if [ $day -gt 15 ]
then then
active_SN=$SN1 active_SN=$SN1
fi fi
fi fi
#Check other Supernode #Check other Supernode
if [ $iam != $active_SN ] if [ $iam != $active_SN ]
then then
ping -q -c5 $other_SN_IP -I eth0 > /dev/null ping -q -c5 $other_SN_IP -I eth0 > /dev/null
if [ $? -eq 0 ] if [ $? -eq 0 ]
then then
if [ $online == 1 ]; then
supernode_off supernode_off
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
else else
supernode_on supernode_on
echo "First Supernode not running!" 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 }}
curl -X POST --data-urlencode 'payload={"text": "Aktiver Supernode nicht pingbar. {{ sn_hostname }} eingeschaltet", "channel": "#technik", "username": "{{ sn_hostname }}", "icon_emoji": ":warning:"}' https://hooks.slack.com/services/{{ slack_token }}
sleep 900 sleep 900
fi fi
else else
# Check this Supernode # Check this Supernode
ping -q -c5 $my_SN_IP -I eth0 > /dev/null ping -q -c5 $my_SN_IP -I eth0 > /dev/null
if [ $? -eq 0 ] if [ $? -eq 0 ]
then then
echo "Supernode ok" if [ $online == 0 ]; then
supernode_on supernode_on
else 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 }}
echo "Supernode nicht pingbar"
supernode_fail
curl -X POST --data-urlencode 'payload={"text": "{{ sn_hostname }} nicht pingbar. services auf {{ sn_hostname }} neu gestartet", "channel": "#technik", "username": "{{ sn_hostname }}", "icon_emoji": ":warning:"}' https://hooks.slack.com/services/{{ slack_token }}
fi fi
fi else
sleep 60 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
# Push to Graphite #
echo "collectd.gateways.{{ sn_hostname }}.sn-status $online `date +%s`" | nc -q 0 10.188.1.27 2003
sleep 60
done done