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69 lines
1.8 KiB
Bash
69 lines
1.8 KiB
Bash
#!/bin/sh
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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# usage prepare_ping.sh subnet
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dhcpd_conf=
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subnet=$1
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exit_with_error() {
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echo $1
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exit 1
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}
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exit_if_fail() {
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[ $? -ne 0 ] && exit_with_error "$*"
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}
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config_dhcpd() {
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echo "$*" >> $dhcpd_conf
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[ $? -ne 0 ] && exit_with_error "echo $* failed"
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}
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[ $# -ne 1 ] && exit_with_error "Usage:prepare_ping.sh subnet"
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if [ -f "/etc/dhcp/dhcpd.conf" ]; then
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dhcpd_conf="/etc/dhcp/dhcpd.conf"
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fi
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if [ x"$dhcpd_conf" == "x" ] && [ -f "/etc/dhcpd.conf" ]; then
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dhcpd_conf="/etc/dhcpd.conf"
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fi
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if [ x"$dhcpd_conf" == "x" ]; then
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exit_with_error "Cannot find dhcpd.conf"
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fi
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signature=`head -n 1 $dhcpd_conf`
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if [ x"$signature" != x"# CloudStack" ]; then
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# prepare dhcpd
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cp $dhcpd_conf /etc/dhcpd.conf.bak -f
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exit_if_fail "Cannot back dhcpd.conf"
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echo "# CloudStack" > $dhcpd_conf
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echo "# This is produced by CloudStack" >> $dhcpd_conf
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config_dhcpd ddns-update-style interim\;
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config_dhcpd subnet $subnet netmask 255.255.255.0 {}
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config_dhcpd allow booting\;
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config_dhcpd allow bootp\;
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fi
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service dhcpd restart
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exit_if_fail "service dhcpd restart failed"
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exit 0
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