From 7220630539e7784da244b97ea92b0babc295e416 Mon Sep 17 00:00:00 2001 From: Stefan Hoffmann Date: Sat, 12 Mar 2016 17:02:49 +0100 Subject: [PATCH] Keepalive changes --- files/keepalive.exit.sh.j2 | 159 ++++++++++++++++++++----------------- 1 file changed, 87 insertions(+), 72 deletions(-) diff --git a/files/keepalive.exit.sh.j2 b/files/keepalive.exit.sh.j2 index fa89214..036a463 100644 --- a/files/keepalive.exit.sh.j2 +++ b/files/keepalive.exit.sh.j2 @@ -1,81 +1,96 @@ #!/bin/bash -#Variablen +echo 0 > /tmp/sn_online while [ true ] ; do -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 - echo "Active Supernode is running" -} - -supernode_on () { - $BATCTL gw server 100Mbit/100Mbit - /usr/sbin/service bird6 start - /usr/sbin/service bird start - /usr/sbin/service tunneldigger start - /usr/sbin/service radvd start + online=$(/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 } - -supernode_fail () { - $BATCTL gw off - /usr/sbin/service bird6 restart - /usr/sbin/service bird restart - /usr/sbin/service tunneldigger restart - /usr/sbin/service radvd restart - echo "Supernode nicht pingbar" -} - -iam=$(/bin/hostname) -BATCTL=/usr/local/sbin/batctl -SN1=troisdorf5 -SN2=troisdorf6 -if [ $iam == troisdorf5 ] -then - my_SN_IP=185.66.193.105 - other_SN_IP=185.66.193.106 -else - my_SN_IP=185.66.193.106 - other_SN_IP=185.66.193.105 -fi -#Auf 1 setzen um Lastverteilung 1/2 Monat einzuschalten -loadbalance=1 -#Default Supernode if loadbalance=0 -active_SN=$SN2 -day=$(date +%d) -if [ $loadbalance == 1 ] -then - if [ $day -gt 15 ] + # 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 + } + # 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 + } + # who am i ? # + if [ $iam == troisdorf5 ] then - active_SN=$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 - supernode_off + my_SN_IP=185.66.193.105 + other_SN_IP=185.66.193.106 else - supernode_on - echo "First Supernode not running!" - 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 + my_SN_IP=185.66.193.106 + other_SN_IP=185.66.193.105 fi -else - # Check this Supernode - ping -q -c5 $my_SN_IP -I eth0 > /dev/null - if [ $? -eq 0 ] + if [ $loadbalance == 1 ] then - echo "Supernode ok" - supernode_on - else - 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 }} + if [ $day -gt 15 ] + then + active_SN=$SN1 + fi fi -fi -sleep 60 + #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 + 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 + 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 900 + fi + else + # Check this Supernode + ping -q -c5 $my_SN_IP -I eth0 > /dev/null + if [ $? -eq 0 ] + then + if [ $online == 0 ]; then + supernode_on + 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 + 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 + # Push to Graphite # + echo "collectd.gateways.{{ sn_hostname }}.sn-status $online `date +%s`" | nc -q 0 10.188.1.27 2003 + sleep 60 done