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afbf651412
dnsmasq.sh: Skip systemd-resolved workaround on docker metrics.sh: Fix service installation on docker Signed-off-by: Tobias K <6317548+theCalcaholic@users.noreply.github.com>
107 lines
3.0 KiB
Bash
107 lines
3.0 KiB
Bash
#!/bin/bash
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# dnsmasq DNS server with cache installation on Raspbian
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#
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# Copyleft 2017 by Ignacio Nunez Hernanz <nacho _a_t_ ownyourbits _d_o_t_ com>
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# GPL licensed (see end of file) * Use at your own risk!
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#
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# More at: https://ownyourbits.com/2017/03/09/dnsmasq-as-dns-cache-server-for-nextcloudpi-and-raspbian/
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#
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install()
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{
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apt-get update
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apt-get install --no-install-recommends -y dnsmasq
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rc=0
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service dnsmasq status > /dev/null 2>&1 || rc=$?
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! is_docker && [[ $rc -eq 3 ]] && {
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echo "Applying workaround for dnsmasq bug (compare issue #1446)"
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service systemd-resolved stop
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service dnsmasq start
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}
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update-rc.d dnsmasq disable
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service dnsmasq stop
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[[ "$DOCKERBUILD" == 1 ]] && {
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cat > /etc/services-available.d/100dnsmasq <<EOF
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#!/bin/bash
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source /usr/local/etc/library.sh
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[[ "\$1" == "stop" ]] && {
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echo "stopping dnsmasq..."
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service dnsmasq stop
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exit 0
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}
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persistent_cfg /etc/dnsmasq.conf
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echo "Starting dnsmasq..."
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service dnsmasq start
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exit 0
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EOF
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chmod +x /etc/services-available.d/100dnsmasq
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}
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return 0
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}
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configure()
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{
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[[ $ACTIVE != "yes" ]] && {
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service dnsmasq stop
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update-rc.d dnsmasq disable
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echo "dnmasq disabled"
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return
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}
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local IFACE IP
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IFACE=$( ip r | grep "default via" | awk '{ print $5 }' | head -1 )
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IP=$( ncc config:system:get trusted_domains 6 | grep -oP '\d{1,3}(.\d{1,3}){3}' )
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[[ "$IP" == "" ]] && IP="$(get_ip)"
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[[ "$IP" == "" ]] && { echo "could not detect IP"; return 1; }
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cat > /etc/dnsmasq.conf <<EOF
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interface=$IFACE
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domain-needed # Never forward plain names (without a dot or domain part)
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bogus-priv # Never forward addresses in the non-routed address spaces.
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no-poll # Don't poll for changes in /etc/resolv.conf
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no-resolv # Don't use /etc/resolv.conf or any other file
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cache-size=$CACHESIZE
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server=$DNSSERVER
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address=/$DOMAIN/$IP # This is optional if we add it to /etc/hosts
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EOF
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# required to run in container
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test -d /data && echo "user=root" >> /etc/dnsmasq.conf
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sed -i 's|#\?IGNORE_RESOLVCONF=.*|IGNORE_RESOLVCONF=yes|' /etc/default/dnsmasq
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update-rc.d dnsmasq defaults
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update-rc.d dnsmasq enable
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service dnsmasq restart
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ncc config:system:set trusted_domains 2 --value="$DOMAIN"
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set-nc-domain "$DOMAIN" --no-trusted-domain
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echo "dnsmasq enabled"
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}
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# License
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#
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# This script is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This script is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this script; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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# Boston, MA 02111-1307 USA
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