42 lines
1.2 KiB
Bash
42 lines
1.2 KiB
Bash
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#!/bin/sh
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# Copying files from the dnsmanagerd bind9 directory to the powerdns directory.
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PDNSDIR="/var/powerdns/"
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DNSMANDIR="/tmp/DATA-dnsmanagerd/bind9-zones/"
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local_update() {
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echo "update domain $1"
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# Simulate what is done with dnsmanagerd to avoir file corruption.
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cp $DNSMANDIR/$1 $PDNSDIR/$1.wip
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mv $PDNSDIR/$1.wip $PDNSDIR/$1
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}
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local_delete() { echo "delete domain $1" ; rm $PDNSDIR/$1 ; }
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action() {
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event=$1
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file=$2
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echo $event | grep "MOVED_TO" >/dev/null
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if [ $? -eq 0 ]; then
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local_update $file
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fi
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echo $event | grep "DELETE" >/dev/null
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if [ $? -eq 0 ]; then
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local_delete $file
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fi
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}
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# NOTE: dnsmanagerd writes bind9 files in $DNSMANDIR and with a suffix ".wip" then moves them
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# to remove the suffix. This way, the final file is expected to never be corrupted,
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# for example by copying it to the secondary DNS server while the zone not being
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# fully written to the file.
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#
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# Therefore, the different interesting actions we should monitor are:
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# - moved_to: a zone file has been modified
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# - delete: a domain has been removed
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opts="-e moved_to -e delete -m"
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echo "inotifywait ${opts} --format '%:e %f' $DNSMANDIR"
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inotifywait ${opts} --format '%:e %f' $DNSMANDIR | while read FILE; do action $FILE ; done
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