61 lines
1.6 KiB
Bash
61 lines
1.6 KiB
Bash
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#!/bin/bash
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#
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# 2023-07-29
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# Config/DNS/run.sh
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# Fix common issues when trying to run this container.
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function stop-service {
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service=""
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if [[ -n $1 ]]; then
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service=$1
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else
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echo "ERROR: A parameter was not provided for stop-service, aborting." >&2
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exit 1
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fi
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if [[ -n $2 ]]; then
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echo "ERROR: A second parameter to stop-service is not expected, aborting." >&2
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exit 1
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fi
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systemctl disable --now $service &&
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echo "$service stopped successfully!" ||
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echo "* If $service was not found then there is no problem."
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}
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## Validations ##
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# Ensure the necessary config files have been created.
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if [[ ! -s ./config/hosts
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|| ! -s ./config/resolv.conf
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|| ! -s ./config/dnsmasq.conf
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]]; then
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echo "ERROR: Please ensure all 3 files have been created in the config folder." >&2
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exit 1
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fi
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echo -e "\n*** Turn off any local DNS programs ***"
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# These programs use port 53 but this container needs to be able to listen on it.
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stop-service systemd-resolved
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stop-service dnsmasq
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echo -e "\n*** Create a working DNS file ***"
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# Allows the domains needed during the docker pull/build to be accessed.
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if [[ ! -e /etc/resolv.conf.save ]]; then
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# Save the existing file if a backup does not already exist.
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mv /etc/resolv.conf /etc/resolv.conf.save
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fi
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echo "nameserver 1.1.1.1" > /etc/resolv.conf
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echo -e "\n*** Start the docker container ***"
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docker compose down
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docker compose build
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docker compose up -d
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echo -e "\n*** Now use the local process for DNS ***\n/etc/resolv.conf:"
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echo "nameserver 127.0.0.1" > /etc/resolv.conf
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echo "nameserver 127.0.1.1" >> /etc/resolv.conf
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cat /etc/resolv.conf
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# Finish
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echo " "
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exit 0
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