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37 lines
906 B
Bash
37 lines
906 B
Bash
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# Configures a DNS server using nsd.
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#
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# After running this script, you also must run scripts/dns_update.sh,
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# and any time a zone file is added/changed/removed. It should be
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# run after DKIM is configured, however.
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apt-get -qq -y install nsd3
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if [ -z "$PUBLIC_HOSTNAME" ]; then
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PUBLIC_HOSTNAME=example.org
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fi
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if [ -z "$PUBLIC_IP" ]; then
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# works on EC2 only...
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PUBLIC_IP=`wget -q -O- http://instance-data/latest/meta-data/public-ipv4`
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fi
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sudo mkdir -p /var/run/nsd3
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mkdir -p "$STORAGE_ROOT/dns";
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# Store our desired IP address (to put in the zone files) for later.
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echo $PUBLIC_IP > $STORAGE_ROOT/dns/our_ip
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# Create the default zone if it doesn't exist.
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if [ ! -f "$STORAGE_ROOT/dns/$PUBLIC_HOSTNAME.txt" ]; then
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# can be an empty file, defaults are applied elsewhere
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cat > "$STORAGE_ROOT/dns/$PUBLIC_HOSTNAME.txt" << EOF;
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EOF
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fi
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chown -R ubuntu.ubuntu $STORAGE_ROOT/dns
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ufw allow domain
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