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  • Committer: James Page
  • Date: 2012-02-29 22:47:34 UTC
  • Revision ID: james.page@canonical.com-20120229224734-2kvt6q8okdhe2hkq
Added peer relation for ssh key exchange to support rolling restarts

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Lines of Context:
hooks/hbase-common
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#!/bin/bash -x
 
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#!/bin/bash
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set -e
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            /etc/hbase/conf.juju 50
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        cp /dev/null /etc/hbase/conf.juju/hbase-site.xml
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        cp /dev/null /etc/hbase/conf.juju/regionservers
 
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        touch /etc/hbase/conf.juju/backup-masters
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        dotdee --setup /etc/hbase/conf.juju/hbase-site.xml 
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        dotdee --setup /etc/hbase/conf.juju/hbase-env.sh
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        dotdee --setup /etc/hbase/conf.juju/regionservers
 
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        dotdee --setup /etc/hbase/conf.juju/backup-masters
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    fi
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    if [ ! -d /etc/hadoop/conf.juju ]
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    then
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    dotdee --update /etc/hbase/conf.juju/regionservers || true
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}
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configure_masters () {
 
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    dir=`dotdee --dir /etc/hbase/conf.juju/backup-masters`
 
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    rm -f $dir/*-master
 
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    for member in `relation-list`
 
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    do
 
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        address=`relation-get private-address $member`
 
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        echo $address > \
 
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            $dir/$address-master
 
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    done
 
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    dotdee --update /etc/hbase/conf.juju/backup-masters || true
 
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}
 
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configure_zookeeper () {
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    juju-log "Reconfiguring HBase zookeeper configuration"
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    for member in `relation-list`
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        configure_sources
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        install_base_packages
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        configure_hbase
 
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        ssh_config
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        install_helpers
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        ;;
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    namenode-relation-changed)
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                    juju-log "Configuring this unit as a master"
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                    role="master"
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                    install_packages $role
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                    ssh_config
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                    open_ports 
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                    sleep 60
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                    relation-set ready="true"
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                        juju-log "Configuring this unit as a regionserver"
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                        role="regionserver"
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                        install_packages $role
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                        ssh_config
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                        save_ssh_key
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                        open_ports
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                    else
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    master-relation-changed|master-relation-departed|master-relation-broken)
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        configure_regionservers
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        ;;
 
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    root-ssh-relation-joined)
 
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        send_ssh_key
 
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        ;;
 
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    root-ssh-relation-changed|root-ssh-relation-departed)
 
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        configure_masters
 
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        save_ssh_key
 
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        ;;
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    thrift-relation-joined)
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        if zk_configured
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        then