PowerDNS docker container, based on Debian Buster.
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#!/bin/bash
mkdir -p /etc/powerdns/pdns.d
PDNSVARS=`echo ${!PDNSCONF_*}`
touch /etc/powerdns/pdns.conf
if [ ! -z $MYSQL_ENV_MARIADB_DATABASE ]; then
PDNSCONF_GMYSQL_USER=$MYSQL_ENV_MARIADB_USER
PDNSCONF_GMYSQL_DBNAME=$MYSQL_ENV_MARIADB_DATABASE
PDNSCONF_GMYSQL_PASSWORD=$MYSQL_ENV_MARIADB_PASSWORD
else
PDNSCONF_GMYSQL_USER=$MYSQL_ENV_MYSQL_USER
PDNSCONF_GMYSQL_DBNAME=$MYSQL_ENV_MYSQL_DATABASE
PDNSCONF_GMYSQL_PASSWORD=$MYSQL_ENV_MYSQL_PASSWORD
fi
for var in $PDNSVARS; do
varname=`echo ${var#"PDNSCONF_"} | awk '{print tolower($0)}' | sed 's/_/-/g'`
value=`echo ${!var} | sed 's/^$\(.*\)/\1/'`
if [ ! -z ${!value} ]; then
echo "$varname=${!value}" >> /etc/powerdns/pdns.conf
else
echo "$varname=$value" >> /etc/powerdns/pdns.conf
fi
done
if [ ! -z $PDNSCONF_API_KEY ]; then
cat >/etc/powerdns/pdns.d/api.conf <<EOF
api=yes
webserver=yes
webserver-address=0.0.0.0
webserver-allow-from=0.0.0.0/0
EOF
fi
mysqlcheck() {
# Wait for MySQL to be available...
COUNTER=20
until mysql -h mysql -u $PDNSCONF_GMYSQL_USER -p$PDNSCONF_GMYSQL_PASSWORD -e "show databases" 2>/dev/null; do
echo "WARNING: MySQL still not up. Trying again..."
sleep 10
let COUNTER-=1
if [ $COUNTER -lt 1 ]; then
echo "ERROR: MySQL connection timed out. Aborting."
exit 1
fi
done
count=`mysql -h mysql -u $PDNSCONF_GMYSQL_USER -p$PDNSCONF_GMYSQL_PASSWORD -e "select count(*) from information_schema.tables where table_type='BASE TABLE' and table_schema='$PDNSCONF_GMYSQL_DBNAME';" | tail -1`
if [ "$count" == "0" ]; then
echo "Database is empty. Importing PowerDNS schema..."
mysql -h mysql -u $PDNSCONF_GMYSQL_USER -p$PDNSCONF_GMYSQL_PASSWORD $PDNSCONF_GMYSQL_DBNAME < /usr/share/doc/pdns-backend-mysql/schema.mysql.sql && echo "Import done."
fi
}
mysqlcheck
if [ "$SECALLZONES_CRONJOB" == "yes" ]; then
cat > /etc/crontab <<EOF
PDNSCONF_API_KEY=$PDNSCONF_API_KEY
SHELL=/bin/bash
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
# m h dom mon dow user command
0,30 * * * * root /usr/local/bin/secallzones.sh > /var/log/cron.log 2>&1
EOF
ln -sf /proc/1/fd/1 /var/log/cron.log
cron -f &
fi
# Start PowerDNS
# same as /etc/init.d/pdns monitor
echo "Starting PowerDNS..."
if [ "$#" -gt 0 ]; then
exec /usr/sbin/pdns_server "$@"
else
exec /usr/sbin/pdns_server --daemon=no --guardian=no --control-console --loglevel=9
fi