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#!/bin/bash
# This must be renamed to the name of the relation. The goal here is to
# affect any change needed by relationships being formed, modified, or broken
# This script should be idempotent.
set -ex
status-set maintenance "relations changed"
patt='([[:digit:]]+)'
[[ $JUJU_UNIT_NAME =~ $patt ]] && unit_no=${BASH_REMATCH[1]}
let unit_no+=1
sudo rm -f /etc/resolv.conf
sudo cp /etc/resolv.conf.backup /etc/resolv.conf
# Config Zookeeper
sudo sh -c "echo 'tickTime=`config-get zookeeper_tickTime`' > /etc/zookeeper/conf/zoo.cfg"
sudo sh -c "echo 'initLimit=`config-get zookeeper_initLimit`' >> /etc/zookeeper/conf/zoo.cfg"
sudo sh -c "echo 'syncLimit=`config-get zookeeper_syncLimit`' >> /etc/zookeeper/conf/zoo.cfg"
sudo sh -c "echo 'dataDir=`config-get zookeeper_dataDir`' >> /etc/zookeeper/conf/zoo.cfg"
sudo sh -c "echo 'clientPort=`config-get zookeeper_port`' >> /etc/zookeeper/conf/zoo.cfg"
if [ -z `relation-ids` ]
then
juju-log "Running mesos-master in standalone mode"
# Config mesos-master
sudo sh -c "echo `config-get zookeeper` > /etc/mesos/zk"
sudo sh -c "echo `config-get quorum` > /etc/mesos-master/quorum"
else
# Config Zookeeper
server_arr[0]="server.${unit_no}=`unit-get private-address`:2888:3888"
for member in `relation-ids`
do
juju-log "Adding $member to zokeeper quorum"
[[ ${member} =~ $patt ]] && member_id=${BASH_REMATCH[1]}
let member_id+=1
member_hostname=`relation-get -r ${member} private-address`
server_arr=("${server_arr[@]}" "server.${member_id}=${member_hostname}:2888:3888")
done
for server_line in "${server_arr[@]}"
do
sudo sh -c "echo ${server_line} >> /etc/zookeeper/conf/zoo.cfg"
done
# Config mesos-master
sudo sh -c "echo $JUJU_UNIT_NAME > /etc/mesos-master/hostname"
sudo sh -c "echo `unit-get private-address` > /etc/mesos-master/ip"
zookeeper="zk://localhost:2181"
quorum=1
for member in `relation-ids`
do
juju-log "Adding $member to mesos-master quorum"
zookeeper="$zookeeper,`relation-get -r ${member} private-address`:2181"
((quorum++))
done
zookeeper="$zookeeper/mesos"
let quorum=($quorum+2-1)/2
sudo sh -c "echo ${quorum} > /etc/mesos-master/quorum"
sudo sh -c "echo $zookeeper > /etc/mesos/zk"
# Config resolve.conf
if [ `config-get mesos-dns` = "True" ]
then
for member in `relation-ids`
do
if ![ -z `relation-get mesos-dns ${member}` ]
then
sudo sed -i "1s/^/nameserver `relation-get -r ${member} private-address`\n /" /etc/resolv.conf
fi
done
fi
fi
sudo sh -c "echo $zookeeper > /etc/mesos/zk"
# Config mesos-dns
sudo rm -f /etc/resolv.conf
sudo cp /etc/resolv.conf.backup /etc/resolv.conf
if [ `config-get mesos-dns` = "True" ]
then
httpon=`config-get dns_httpon`
dsnon=`config-get dns_dsnon`
externalon=`config-get dns_externalon`
sudo sh -c "echo '{' > /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"zk\": \"${zookeeper}\",' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"refreshSeconds\": `config-get dns_refreshSeconds`,' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"ttl\": `config-get dns_ttl`,' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"domain\": \"`config-get dns_domain`\",' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"port\": `config-get dns_port`,' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"resolvers\": [\"`unit-get private-address`\", \"8.8.8.8\"],' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"timeout\": `config-get dns_timeout`,' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"httpon\": ${httpon,,},' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"dsnon\": ${dsnon,,},' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"httpport\": `config-get dns_httpport`,' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"externalon\": ${externalon,,},' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"listener\": \"`config-get dns_listener`\",' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"SOAMname\": \"`config-get dns_SOAMname`\",' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"SOARname\": \"`config-get dns_SOARname`\",' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"SOARefresh\": `config-get dns_SOARefresh`,' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"SOARetry\": `config-get dns_SOARetry`,' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"SOAExpire\": `config-get dns_SOAExpire`,' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"SOAMinttl\": `config-get dns_SOAMinttl`,' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo ' \"email\": \"root.mesos-dns.mesos\"' >> /usr/local/mesos-dns/config.json"
sudo sh -c "echo '}' >> /usr/local/mesos-dns/config.json"
for member in `relation-ids`
do
if ![ -z `relation-get -r ${member} mesos-dns` ]
then
sudo sed -i "1s/^/nameserver `relation-get private-address ${member}`\n /" /etc/resolv.conf
fi
done
# Config resolve.conf
sudo sed -i "1s/^/nameserver `unit-get private-address`\n /" /etc/resolv.conf
fi
# Restart services
sudo service zookeeper restart
sudo service mesos-master restart
sudo service marathon restart
if [ `config-get mesos-slave` = "True" ]
then
sudo service mesos-slave restart
sudo service docker restart
fi
if [ `config-get mesos-dns` = "True" ]
then
sudo service mesos-dns restart
fi
status-set active
|