125 lines
3.2 KiB
Plaintext
125 lines
3.2 KiB
Plaintext
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#!/bin/bash
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function valid_ip()
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{
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local ip=$1
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local stat=1
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if [[ $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
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OIFS=$IFS
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IFS='.'
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ip=($ip)
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IFS=$OIFS
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[[ ${ip[0]} -le 255 && ${ip[1]} -le 255 \
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&& ${ip[2]} -le 255 && ${ip[3]} -le 255 ]]
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stat=$?
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fi
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return $stat
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}
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function valid_mac()
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{
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local mac=$1
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if [[ $mac =~ ^[0-9a-z]{2}:[0-9a-z]{2}:[0-9a-z]{2}:[0-9a-z]{2}:[0-9a-z]{2}:[0-9a-z]{2}$ ]]; then
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return 0
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fi
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return 1
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}
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if [ $# -lt 2 ]
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then
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echo "Usage: $0 add HOSTNAME IP HWADDR | delete HOSTNAME | set-clone HOSTNAME | set-restore HOSTNAME | set-normal HOSTNAME" >&2
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exit 1
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fi
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if [[ $2 = *[[:space:]]* ]]
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then
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echo "Hostname must not contain whitespaces"
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exit 1
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fi
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HOSTNAME="$2"
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if [ "$1" == "status" ]
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then
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echo -n "$HOSTNAME is booting "
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TARGET="`readlink /srv/tftp/pxelinux/pxelinux.cfg/$HOSTNAME`"
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if [ "$TARGET" == "/pxelinux.cfg/local" ]
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then
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echo "from local harddisk"
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elif [ "$TARGET" == "/pxelinux.cfg/live" ]; then
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echo "to live Clonezilla environment"
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elif [ "$TARGET" == "/pxelinux.cfg/clone" ]; then
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echo "to Clonezilla to clone its harddisk"
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elif [ "$TARGET" == "/pxelinux.cfg/live" ]; then
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echo "to Clonezilla to restore its harddisk"
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fi
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exit 0
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fi
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if [ "$1" == "add" ]
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then
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if [ $# -lt 4 ]
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then
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echo "Missing arguments" >&2
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exit 1
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fi
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if ! valid_ip $3; then
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echo "Invalid IP: $3" >&2
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exit 1
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fi
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IP="$3"
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if ! valid_mac $4; then
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echo "Invalid MAC: $4" >&2
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exit 1
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fi
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HWADDR="$4"
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grep -q "include \"/etc/dhcpd.d/$HOSTNAME\";" /etc/dhcpd.d/all || echo "include \"/etc/dhcpd.d/$HOSTNAME\";" >> /etc/dhcpd.d/all
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[ -e "/etc/dhcpd.d/$HOSTNAME" ] || cat /etc/dhcpd.client.conf | sed "s/HOSTNAME/$HOSTNAME/g" | sed "s/HWADDR/$HWADDR/g" > "/etc/dhcpd.d/$HOSTNAME"
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grep -q "$HOSTNAME A $IP" /var/named/zotac.zone || (echo "$HOSTNAME A $IP" >> /var/named/zotac.zone && rndc reload zotac)
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ln -sf /srv/tftp/pxelinux/pxelinux.cfg/default /srv/tftp/pxelinux/pxelinux.cfg/$HOSTNAME
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fi
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if [ "$1" == "delete" ]
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then
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rm -f "/etc/dhcpd.d/$HOSTNAME"
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sed -i "/include \"\/etc\/dhcpd.d\/$HOSTNAME\";/d" /etc/dhcpd.d/all
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sed -i "/$HOSTNAME A $IP/d" /var/named/zotac.zone
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rndc reload zotac
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rm -f /srv/tftp/pxelinux/pxelinux.cfg/$HOSTNAME
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fi
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if [ "$1" == "set-live" ]
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then
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sed -i -E "s/^(\s*)#filename \"\/pxelinux.0\";/\\1filename \"\/pxelinux.0\";/" "/etc/dhcpd.d/$HOSTNAME"
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ln -sf /pxelinux.cfg/default /srv/tftp/pxelinux/pxelinux.cfg/$HOSTNAME
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fi
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if [ "$1" == "set-clone" ]
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then
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sed -i -E "s/^(\s*)#filename \"\/pxelinux.0\";/\\1filename \"\/pxelinux.0\";/" "/etc/dhcpd.d/$HOSTNAME"
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ln -sf /pxelinux.cfg/clone /srv/tftp/pxelinux/pxelinux.cfg/$HOSTNAME
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fi
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if [ "$1" == "set-restore" ]
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then
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sed -i -E "s/^(\s*)#filename \"\/pxelinux.0\";/\\1filename \"\/pxelinux.0\";/" "/etc/dhcpd.d/$HOSTNAME"
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ln -sf /pxelinux.cfg/restore /srv/tftp/pxelinux/pxelinux.cfg/$HOSTNAME
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fi
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if [ "$1" == "set-local" ]
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then
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#sed -i -E "s/^(\s*)filename \"\/pxelinux.0\";/\\1#filename \"\/pxelinux.0\";/" "/etc/dhcpd.d/$HOSTNAME"
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ln -sf /pxelinux.cfg/local /srv/tftp/pxelinux/pxelinux.cfg/$HOSTNAME
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fi
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systemctl restart dhcpd4@eth1
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