Added from upstream repo.

Fixed missing Mysql client.

docker/PowerDNS-MySQL/Dockerfile

@@ -0,0 +1,40 @@
+# PowerDNS Authoritative Server with MySQL backend
+# https://www.powerdns.com
+#
+# The PowerDNS Authoritative Server is the only solution that enables
+# authoritative DNS service from all major databases, including but not limited
+# to MySQL, PostgreSQL, SQLite3, Oracle, Sybase, Microsoft SQL Server, LDAP and
+# plain text files.
+
+FROM winggundamth/ubuntu-base:trusty
+MAINTAINER Jirayut Nimsaeng <w [at] winginfotech.net>
+ENV FROM_BASE=trusty-20160503.1
+
+# 1) Add PowerDNS repository https://repo.powerdns.com
+# 2) Install PowerDNS server
+# 3) Clean to reduce Docker image size
+ARG APT_CACHER_NG
+COPY build-files /build-files
+RUN [ -n "$APT_CACHER_NG" ] && \
+      echo "Acquire::http::Proxy \"$APT_CACHER_NG\";" \
+      > /etc/apt/apt.conf.d/11proxy || true; \
+    apt-get update && \
+    apt-get install -y curl && \
+    curl https://repo.powerdns.com/FD380FBB-pub.asc | apt-key add - && \
+    echo 'deb [arch=amd64] http://repo.powerdns.com/ubuntu trusty-auth-40 main' \
+      > /etc/apt/sources.list.d/pdns-$(lsb_release -cs).list && \
+    mv /build-files/pdns-pin /etc/apt/preferences.d/pdns && \
+    apt-get update && \
+    apt-get install -y pdns-server pdns-backend-mysql mysql-client && \
+    mv /build-files/pdns.mysql.conf /etc/powerdns/pdns.d/pdns.mysql.conf && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/* /etc/apt/apt.conf.d/11proxy /build-files \
+      /etc/powerdns/pdns.d/pdns.simplebind.conf
+
+# 1) Copy Docker entrypoint script
+COPY docker-entrypoint.sh /docker-entrypoint.sh
+
+EXPOSE 53/udp 53 8081
+VOLUME ["/var/log", "/etc/powerdns"]
+ENTRYPOINT ["/docker-entrypoint.sh"]
+CMD ["/usr/sbin/pdns_server", "--guardian=yes"]

docker/PowerDNS-MySQL/build-files/pdns-pin

@@ -0,0 +1,3 @@
+Package: pdns-*
+Pin: origin repo.powerdns.com
+Pin-Priority: 600

docker/PowerDNS-MySQL/build-files/pdns.mysql.conf

@@ -0,0 +1,6 @@
+launch+=gmysql
+gmysql-port=3306
+gmysql-host=172.17.0.1
+gmysql-password=CHANGEME
+gmysql-user=powerdns
+gmysql-dbname=powerdns

docker/PowerDNS-MySQL/docker-entrypoint.sh

@@ -0,0 +1,89 @@
+#!/bin/sh
+# Author: Jirayut 'Dear' Nimsaeng
+#
+set -e
+
+PDNS_CONF_PATH="/etc/powerdns/pdns.conf"
+PDNS_MYSQL_CONF_PATH="/etc/powerdns/pdns.d/pdns.mysql.conf"
+PDNS_MYSQL_HOST="localhost"
+PDNS_MYSQL_PORT="3306"
+PDNS_MYSQL_USERNAME="powerdns"
+PDNS_MYSQL_PASSWORD="$PDNS_DB_PASSWORD"
+PDNS_MYSQL_DBNAME="powerdns"
+
+if [ -z "$PDNS_DB_PASSWORD" ]; then
+    echo 'ERROR: PDNS_DB_PASSWORD environment variable not found'
+    exit 1
+fi
+
+# Configure variables
+if [ "$PDNS_DB_HOST" ]; then
+    PDNS_MYSQL_HOST="$PDNS_DB_HOST"
+fi
+if [ "$PDNS_DB_PORT" ]; then
+    PDNS_MYSQL_PORT="$PDNS_DB_PORT"
+fi
+if [ "$PDNS_DB_USERNAME" ]; then
+    PDNS_MYSQL_USERNAME="$PDNS_DB_USERNAME"
+fi
+if [ "$PDNS_DB_NAME" ]; then
+    PDNS_MYSQL_DBNAME="$PDNS_DB_NAME"
+fi
+
+# Configure mysql backend
+sed -i \
+    -e "s/^gmysql-host=.*/gmysql-host=$PDNS_MYSQL_HOST/g" \
+    -e "s/^gmysql-port=.*/gmysql-port=$PDNS_MYSQL_PORT/g" \
+    -e "s/^gmysql-user=.*/gmysql-user=$PDNS_MYSQL_USERNAME/g" \
+    -e "s/^gmysql-password=.*/gmysql-password=$PDNS_MYSQL_PASSWORD/g" \
+    -e "s/^gmysql-dbname=.*/gmysql-dbname=$PDNS_MYSQL_DBNAME/g" \
+    $PDNS_MYSQL_CONF_PATH
+
+if [ "$PDNS_SLAVE" != "1" ]; then
+    # Configure to be master
+    sed -i \
+        -e "s/^#\?\smaster=.*/master=yes/g" \
+        -e "s/^#\?\sslave=.*/slave=no/g" \
+        $PDNS_CONF_PATH
+else
+    # Configure to be slave
+    sed -i \
+        -e "s/^#\?\smaster=.*/master=no/g" \
+        -e "s/^#\?\sslave=.*/slave=yes/g" \
+        $PDNS_CONF_PATH
+fi
+
+if [ "$PDNS_API_KEY" ]; then
+    # Enable API
+    sed -i \
+        -e "s/^#\?\sapi=.*/api=yes/g" \
+        -e "s!^#\?\sapi-logfile=.*!api-logfile=/dev/stdout!g" \
+        -e "s/^#\?\sapi-key=.*/api-key=$PDNS_API_KEY/g" \
+        -e "s/^#\?\swebserver=.*/webserver=yes/g" \
+        -e "s/^#\?\swebserver-address=.*/webserver-address=0.0.0.0/g" \
+        $PDNS_CONF_PATH
+fi
+
+if [ "$PDNS_WEBSERVER_ALLOW_FROM" ]; then
+    sed -i \
+        "s/^#\?\swebserver-allow-from=.*/webserver-allow-from=$PDNS_WEBSERVER_ALLOW_FROM/g" \
+        $PDNS_CONF_PATH
+fi
+
+
+MYSQL_COMMAND="mysql -h $PDNS_MYSQL_HOST -P $PDNS_MYSQL_PORT -u $PDNS_MYSQL_USERNAME -p$PDNS_MYSQL_PASSWORD"
+
+until $MYSQL_COMMAND -e ";" ; do
+    >&2 echo "MySQL is unavailable - sleeping"
+    sleep 1
+done
+
+>&2 echo "MySQL is up - initial database if not exists"
+MYSQL_CHECK_IF_HAS_TABLE="SELECT COUNT(DISTINCT table_name) FROM information_schema.columns WHERE table_schema = '$PDNS_MYSQL_DBNAME';"
+MYSQL_NUM_TABLE=$($MYSQL_COMMAND --batch --skip-column-names -e "$MYSQL_CHECK_IF_HAS_TABLE")
+if [ "$MYSQL_NUM_TABLE" -eq 0 ]; then
+    $MYSQL_COMMAND -D $PDNS_MYSQL_DBNAME < /usr/share/doc/pdns-backend-mysql/schema.mysql.sql
+fi
+
+# Start PowerDNS
+exec "$@"