mirror of
https://github.com/pschiffe/docker-pdns.git
synced 2024-11-11 02:57:57 +01:00
6fe7093c7b
* better supermaster handling, support for multiple slaves on the same db server * minor style fix * requested changes * replaced cut with awk * manifests * newlines * clarification for axfr
66 lines
2.5 KiB
Bash
Executable file
66 lines
2.5 KiB
Bash
Executable file
#!/bin/sh
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set -euo pipefail
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# Configure mysql env vars
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: "${PDNS_gmysql_host:=${MYSQL_ENV_MYSQL_HOST:-mysql}}"
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: "${PDNS_gmysql_port:=${MYSQL_ENV_MYSQL_PORT:-3306}}"
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: "${PDNS_gmysql_user:=${MYSQL_ENV_MYSQL_USER:-root}}"
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if [ "${PDNS_gmysql_user}" = 'root' ]; then
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: "${PDNS_gmysql_password:=$MYSQL_ENV_MYSQL_ROOT_PASSWORD}"
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fi
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: "${PDNS_gmysql_password:=${MYSQL_ENV_MYSQL_PASSWORD:-powerdns}}"
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: "${PDNS_gmysql_dbname:=${MYSQL_ENV_MYSQL_DATABASE:-powerdns}}"
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# use first part of node name as database name suffix
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if [ "${NODE_NAME:-}" ]; then
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NODE_NAME=$(echo ${NODE_NAME} | sed -e 's/\..*//' -e 's/-//')
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PDNS_gmysql_dbname="${PDNS_gmysql_dbname}${NODE_NAME}"
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fi
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export PDNS_gmysql_host PDNS_gmysql_port PDNS_gmysql_user PDNS_gmysql_password PDNS_gmysql_dbname
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# Initialize DB if needed
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MYSQL_COMMAND="mysql -h ${PDNS_gmysql_host} -P ${PDNS_gmysql_port} -u ${PDNS_gmysql_user} -p${PDNS_gmysql_password}"
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until $MYSQL_COMMAND -e ';' ; do
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>&2 echo 'MySQL is unavailable - sleeping'
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sleep 3
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done
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$MYSQL_COMMAND -e "CREATE DATABASE IF NOT EXISTS ${PDNS_gmysql_dbname}"
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MYSQL_CHECK_IF_HAS_TABLE="SELECT COUNT(DISTINCT table_name) FROM information_schema.columns WHERE table_schema = '${PDNS_gmysql_dbname}';"
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MYSQL_NUM_TABLE=$($MYSQL_COMMAND --batch --skip-column-names -e "$MYSQL_CHECK_IF_HAS_TABLE")
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if [ "$MYSQL_NUM_TABLE" -eq 0 ]; then
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$MYSQL_COMMAND -D "$PDNS_gmysql_dbname" < /usr/share/doc/pdns/schema.mysql.sql
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fi
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if [ "${PDNS_superslave:-no}" == "yes" ]; then
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# Configure supermasters if needed
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if [ "${SUPERMASTER_IPS:-}" ]; then
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$MYSQL_COMMAND -D "$PDNS_gmysql_dbname" -e "TRUNCATE supermasters;"
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MYSQL_INSERT_SUPERMASTERS=''
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if [ "${SUPERMASTER_COUNT:-0}" == "0" ]; then
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SUPERMASTER_COUNT=10
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fi
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i=1; while [ $i -le ${SUPERMASTER_COUNT} ]; do
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SUPERMASTER_HOST=$(echo ${SUPERMASTER_HOSTS:-} | awk -v col="$i" '{ print $col }')
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SUPERMASTER_IP=$(echo ${SUPERMASTER_IPS} | awk -v col="$i" '{ print $col }')
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if [ -z "${SUPERMASTER_HOST:-}" ]; then
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SUPERMASTER_HOST=$(hostname -f)
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fi
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if [ "${SUPERMASTER_IP:-}" ]; then
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MYSQL_INSERT_SUPERMASTERS="${MYSQL_INSERT_SUPERMASTERS} INSERT INTO supermasters VALUES('${SUPERMASTER_IP}', '${SUPERMASTER_HOST}', 'admin');"
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fi
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i=$(( i + 1 ))
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done
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$MYSQL_COMMAND -D "$PDNS_gmysql_dbname" -e "$MYSQL_INSERT_SUPERMASTERS"
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fi
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fi
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# Create config file from template
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envtpl < /pdns.conf.tpl > /etc/pdns/pdns.conf
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exec "$@"
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