Commit bbc4ad95 authored by Carsten's avatar Carsten

pdns slave, zone cleanup script

This script deletes zones on PowerDNS Slave servers, when
the master does not have a SOA record for it (delete zone on master).
parent e7516a1f
#!/bin/bash
#### Config ################################
DBHOST="localhost"
DBUSER="powerdns"
DBPASS="password"
DATABASE="powerdns"
DEBUG="no"
#### End of Config #########################
REQUIRED_COMMANDS="
mysql
host
grep
awk
tail
"
# print debug messages to STDERR
function debug {
if [ "${DEBUG}" == "yes" ] ; then
echo "DEBUG: $@" >&2
fi
}
for CMD in ${REQUIRED_COMMANDS} ; do
CMDNAME=`echo ${CMD} | awk '{print toupper($1) }' | sed -e s@"-"@""@g`
export $(eval "echo ${CMDNAME}")=`which ${CMD} 2>/dev/null`
if [ -z "${!CMDNAME}" ] ; then
debug "Command: ${CMD} not found!"
exit 1
else
debug "Found command $(echo $CMDNAME) in ${!CMDNAME}"
fi
done
MYSQLCMD="${MYSQL} -h ${DBHOST} -u ${DBUSER} -p${DBPASS} --skip-column-name --silent -e"
check() {
AUTH=`${HOST} -t SOA ${2} ${1} | ${TAIL} -n1 | ${GREP} "has no SOA record"`
if [ "${AUTH}" == "${2} has no SOA record" ]; then
debug "Server ${1} has no SOA for ${2} - removing zone..."
DOMAIN_ID=`${MYSQLCMD} "USE ${DATABASE}; SELECT id FROM domains WHERE name='${2}' AND type='SLAVE' AND master='${1}' LIMIT 1;"`
${MYSQLCMD} "USE ${DATABASE}; DELETE FROM records WHERE domain_id='${DOMAIN_ID}';"
${MYSQLCMD} "USE ${DATABASE}; DELETE FROM domains WHERE id='${DOMAIN_ID}';"
fi
}
MASTERS=(`${MYSQLCMD} "USE ${DATABASE}; SELECT DISTINCT ip FROM supermasters;"`)
for m in "${MASTERS[@]}"; do
NAMES=(`${MYSQLCMD} "USE ${DATABASE}; SELECT name FROM domains WHERE type = 'SLAVE' AND master = '${m}';"`)
for d in "${NAMES[@]}"; do
check ${m} ${d}
done
done
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment