#!/bin/bash
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#### Config ################################
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DBHOST="localhost"
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DBUSER="powerdns"
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DBPASS="password"
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DATABASE="powerdns"
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DEBUG="no"
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#### End of Config #########################
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REQUIRED_COMMANDS="
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mysql
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host
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grep
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awk
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tail
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"
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# print debug messages to STDERR
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function debug {
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if [ "${DEBUG}" == "yes" ] ; then
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echo "DEBUG: $@" >&2
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fi
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}
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for CMD in ${REQUIRED_COMMANDS} ; do
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CMDNAME=`echo ${CMD} | awk '{print toupper($1) }' | sed -e s@"-"@""@g`
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export $(eval "echo ${CMDNAME}")=`which ${CMD} 2>/dev/null`
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if [ -z "${!CMDNAME}" ] ; then
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debug "Command: ${CMD} not found!"
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exit 1
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else
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debug "Found command $(echo $CMDNAME) in ${!CMDNAME}"
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fi
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done
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MYSQLCMD="${MYSQL} -h ${DBHOST} -u ${DBUSER} -p${DBPASS} --skip-column-name --silent -e"
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check() {
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AUTH=`${HOST} -t SOA ${2} ${1} | ${TAIL} -n1 | ${GREP} "has no SOA record"`
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if [ "${AUTH}" == "${2} has no SOA record" ]; then
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debug "Server ${1} has no SOA for ${2} - removing zone..."
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DOMAIN_ID=`${MYSQLCMD} "USE ${DATABASE}; SELECT id FROM domains WHERE name='${2}' AND type='SLAVE' AND master='${1}' LIMIT 1;"`
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${MYSQLCMD} "USE ${DATABASE}; DELETE FROM records WHERE domain_id='${DOMAIN_ID}';"
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${MYSQLCMD} "USE ${DATABASE}; DELETE FROM domains WHERE id='${DOMAIN_ID}';"
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fi
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}
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MASTERS=(`${MYSQLCMD} "USE ${DATABASE}; SELECT DISTINCT ip FROM supermasters;"`)
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for m in "${MASTERS[@]}"; do
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NAMES=(`${MYSQLCMD} "USE ${DATABASE}; SELECT name FROM domains WHERE type = 'SLAVE' AND master = '${m}';"`)
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for d in "${NAMES[@]}"; do
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check ${m} ${d}
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done
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done
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