generate-dkim

#!/bin/bash

# Copyright 2015 Richard Russon (FlatCap)
# Licensed under the GPLv3

SUFFIX="dkim.inc"
PATH="/var/named/bin:/usr/bin:/usr/sbin"
source log.sh

export TZ="UTC"

set -o errexit	# set -e
set -o nounset	# set -u

renice --priority 19 --pid $$ > /dev/null
ionice --class 3     --pid $$ > /dev/null

shopt -s nullglob

function finish()
{
	local RETVAL=$?
	[ $RETVAL = 0 ] || log_error "${0##*/} failed: $RETVAL"
}

trap finish EXIT

cd /var/named

[ $# = 0 ] && exit 2

log_info "Generate DKIM Records for Services"
for ZONE in $@; do
	FILE="$ZONE.$SUFFIX"
	if [ -f "$FILE" ]; then
		log_warning "\t$ZONE already exists"
		continue
	fi

	cp /etc/opendkim/keys/$ZONE/mail.txt "$FILE"
	echo -e "\t$ZONE"
done

exit 0