me/env-docker
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

This seems to work, Ubuntu is hoarding port 53 though even though local services are shut off.

Browse Source
This commit is contained in:
Hyperling
2023-07-29 12:49:12 -07:00
parent bcc914d77a
commit 0915d7a018
4 changed files with 108 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
Config/DNS/Dockerfile
View File

@@ -6,15 +6,16 @@
FROM debian FROM debian
# Remove Existing Config
RUN rm -rfv /etc/{hosts,resolv.conf,dnsmasq.conf}
# Install Dependencies # Install Dependencies
RUN apt update && apt install -y dnsmasq RUN apt update && apt install -y dnsmasq
# Remove Existing Config
RUN systemctl stop dnsmasq
RUN rm -rfv /etc/{hosts,resolv.conf,dnsmasq.conf}
# Copy Configuration Files # Copy Configuration Files
COPY ./config/{hosts,resolv.conf,dnsmasq.conf} /etc/ COPY ./config/hosts /etc/
COPY ./config/resolv.conf /etc/
COPY ./config/dnsmasq.conf /etc/
# Start Container ## Reload Service
CMD systemctl restart dnsmasq RUN service dnsmasq restart

10
Config/DNS/docker-compose.yml
View File

@@ -10,6 +10,14 @@ version: '3'
services: services:
app: app:
build: ./ build: ./
restart: always restart: on-failure
ports: ports:
- "53:53" - "53:53"
command: |
/bin/sh -c '
while :
do
sleep 8h & wait $${!}
service dnsmasq restart
done
'

47
Config/DNS/run.sh Executable file
View File

@@ -0,0 +1,47 @@
# 2023-07-29
# Config/DNS/run.sh
# Fix common issues when trying to run this container.
function stop-service {
service=""
if [[ -n $1 ]]; then
service=$1
else
echo "ERROR: A parameter was not provided for stop-service, aborting."
exit 1
fi
if [[ -n $2 ]]; then
echo "ERROR: A second parameter to stop-service is not expected, aborting."
exit 1
fi
systemctl disable --now $service &&
echo "$service stopped successfully!" ||
echo "$service was not found, no problem."
}
echo -e "\n*** Turn off any local DNS programs ***"
# These programs use port 53 but this container needs to be able to listen on it.
stop-service systemd-resolved
stop-service dnsmasq
echo -e "\n*** Create a working DNS file ***"
# Allows the domains needed during the docker pull/build to be accessed.
if [[ ! -e /etc/resolv.conf.save ]]; then
# Save the existing file if a backup does not already exist.
mv /etc/resolv.conf /etc/resolv.conf.save
fi
echo "nameserver 1.1.1.1" > /etc/resolv.conf
echo -e "\n*** Start the docker container ***"
docker compose down
docker compose build
docker compose up -d
echo -e "\n*** Now use the local process for DNS ***\n/etc/resolv.conf:"
echo "nameserver 127.0.0.1" > /etc/resolv.conf
echo "nameserver 127.0.1.1" >> /etc/resolv.conf
cat /etc/resolv.conf
# Finish
echo " "
exit 0

44
Config/DNS/undo.sh Executable file
View File

@@ -0,0 +1,44 @@
# 2023-07-29
# Config/DNS/undo.sh
# Easy way to stop using this container.
function start-service {
service=""
if [[ -n $1 ]]; then
service=$1
else
echo "ERROR: A parameter was not provided for start-service, aborting."
exit 1
fi
if [[ -n $2 ]]; then
echo "ERROR: A second parameter to start-service is not expected, aborting."
exit 1
fi
systemctl enable --now $service &&
echo "$service started successfully!" ||
echo "$service was not found, no problem."
}
echo -e "\n*** Stop the docker container ***"
docker compose down
echo -en "\n*** Restore the DNS file "
if [[ -e /etc/resolv.conf.save ]]; then
echo "from backup ***"
cp /etc/resolv.conf.save /etc/resolv.conf
else
echo "with Cloudflare ***"
echo "nameserver 1.1.1.1" > /etc/resolv.conf
echo "nameserver 1.0.0.1" >> /etc/resolv.conf
echo "options rotate" >> /etc/resolv.conf
fi
echo "/etc/resolv.conf:"
cat /etc/resolv.conf
echo -e "\n*** Turn on any local DNS programs ***"
start-service systemd-resolved
start-service dnsmasq
# Finish
echo " "
exit 0