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Design for running on top of existing config

master
dave 5 years ago
parent
commit
6267e357ed
2 changed files with 10 additions and 9 deletions
  1. +7
    -5
      Dockerfile
  2. +3
    -4
      regen-bind-key

+ 7
- 5
Dockerfile View File

@@ -1,8 +1,11 @@
FROM ubuntu:trusty
MAINTAINER Dave P

ADD start /start

# Install bind and dns utils
RUN apt-get update ; \
RUN chmod +x /start ; \
apt-get update ; \
apt-get install -y supervisor bind9 dnsutils ; \
rm /etc/bind/rndc.key ; \
mkdir /var/run/named ; \
@@ -11,8 +14,8 @@ RUN apt-get update ; \
touch /var/log/named.log ; \
chgrp bind /var/log/named.log ; \
chmod 775 /var/log/named.log ; \
sed -i -e's/include "\/etc\/bind\/named.conf.options";/logging{\n\tchannel simple_log {\n\t\tfile "\/var\/log\/named.log" versions 3 size 5m;\n\t\tseverity info;\n\t\tprint-time yes;\n\t\tprint-severity yes;\n\t\tprint-category yes;\n\t};\n\tcategory default{\n\t\tsimple_log;\n\t};\n};\ninclude "\/etc\/bind\/named.conf.options";/' /etc/bind/named.conf ; \
mkdir /start.d
mkdir /start.d ; \
rm -rf /var/lib/apt/lists/*

# Supervisor script
ADD bind.conf /etc/supervisor/conf.d/bind.conf
@@ -21,8 +24,7 @@ ADD supervisor.conf /etc/supervisor/conf.d/supervisor.conf
# Bind setup script
ADD regen-bind-key /start.d/regen-bind-key

ADD start /start

# DNS port
EXPOSE 53/udp

ENTRYPOINT ["/start"]

+ 3
- 4
regen-bind-key View File

@@ -1,7 +1,6 @@
#!/bin/bash

# reconfigure bind - regenerates secret keys
rndc-confgen -a -r /dev/urandom

# Only run once
rm /start.d/regen-bind-key
if [ ! -f /etc/bind/rndc.key ]; then
rndc-confgen -a -r /dev/urandom
fi

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