111 lines
3.8 KiB
Django/Jinja
111 lines
3.8 KiB
Django/Jinja
#!/bin/bash
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echo 0 > /tmp/sn_online
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$BATCTL gw off
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/usr/sbin/service bird6 stop
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/usr/sbin/service bird stop
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/usr/sbin/service tunneldigger stop
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/usr/sbin/service radvd stop
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/usr/sbin/service isc-dhcp-server stop
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while [ true ] ; do
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online=$(/bin/cat /tmp/sn_online)
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iam=$(/bin/hostname)
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day=$(date +%d)
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BATCTL=/usr/local/sbin/batctl
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#### Settings ####
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# Names of the 2 Supernodes #
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SN1=troisdorf5
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SN2=troisdorf6
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# Default Supernode if loadbalance=0 or day > 15 #
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active_SN=$SN2
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# Turn loadbalance on/off #
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loadbalance=1
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##################
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# functions #
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# Supernode off #
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supernode_off () {
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$BATCTL gw off
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/usr/sbin/service bird6 stop
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/usr/sbin/service bird stop
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/usr/sbin/service tunneldigger stop
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/usr/sbin/service radvd stop
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/usr/sbin/service isc-dhcp-server stop
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echo 0 > /tmp/sn_online
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echo "collectd.gateways.{{ sn_hostname }}.sn-status $online `date +%s`" | nc -q 0 10.188.1.27 2003
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}
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# Supernode on #
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supernode_on () {
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$BATCTL gw server 100Mbit/100Mbit
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/usr/sbin/service bird6 start
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/usr/sbin/service bird start
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/usr/sbin/service tunneldigger start
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/usr/sbin/service radvd start
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/usr/sbin/service isc-dhcp-server start
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echo 1 > /tmp/sn_online
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echo "collectd.gateways.{{ sn_hostname }}.sn-status $online `date +%s`" | nc -q 0 10.188.1.27 2003
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}
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# Restart Services #
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supernode_fail () {
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$BATCTL gw off
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/usr/sbin/service bird6 restart
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/usr/sbin/service bird restart
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/usr/sbin/service tunneldigger restart
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/usr/sbin/service radvd restart
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/usr/sbin/service isc-dhcp-server restart
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echo 0 > /tmp/sn_online
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echo "collectd.gateways.{{ sn_hostname }}.sn-status $online `date +%s`" | nc -q 0 10.188.1.27 2003
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}
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# who am i ? #
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if [ $iam == troisdorf5 ]
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then
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my_SN_IP=185.66.193.105
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other_SN_IP=185.66.193.106
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other_SN_IP_EXTERN=46.4.138.189
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else
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my_SN_IP=185.66.193.106
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other_SN_IP=185.66.193.105
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other_SN_IP_EXTERN=5.9.76.198
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fi
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if [ $loadbalance == 1 ]
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then
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if [ $day -gt 15 ]
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then
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active_SN=$SN1
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fi
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fi
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#Check other Supernode
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if [ $iam != $active_SN ]
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then
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ping -q -c5 $other_SN_IP -I eth0 > /dev/null
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if [ $? -eq 0 ]
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then
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supernode_off
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if [ $online == 1 ]; then
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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 }}
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fi
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else
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supernode_on
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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 }}
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sleep 900
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fi
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else
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# Check this Supernode
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ping -q -c5 $my_SN_IP -I eth0 > /dev/null
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if [ $? -eq 0 ]
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then
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supernode_on
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if [ $online == 0 ]; then
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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 }}
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fi
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else
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supernode_fail
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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 }}
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fi
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fi
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# Ping other Supernode on external interface
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ping -q -c5 $other_SN_IP_EXTERN -I eth0 > /dev/null
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if [ $? -eq 0 ]
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then
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curl -X POST --data-urlencode 'payload={"text": "Anderer Supernode ist nicht über seine Externe adresse Pingbar!", "channel": "#technik", "username": "{{ sn_hostname }}", "icon_emoji": ":warning:"}' https://hooks.slack.com/services/{{ slack_token }}
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sleep 60
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done
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