mirror of
ssh://git.janware.com/srv/git/janware/proj/jw-pkg
synced 2026-01-15 12:03:31 +01:00
170 lines
2.9 KiB
Bash
170 lines
2.9 KiB
Bash
#!/bin/sh -x
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myname=`basename $0`
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dirname=`dirname $0`
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macaddr=00:0B:DC:9B:D6:DA
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base=dc=priv,dc=lcl
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exe=qemu-kvm
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qemu_opts=""
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brctl=`PATH=/usr/sbin:/sbin /usr/bin/which brctl`
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#nic_model=",model=rtl8139"
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usage()
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{
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cat << EOT >&2
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$myname -h
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$myname {net|<image-file>} [-b hostname]
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EOT
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[ "$1" ] && exit $1
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exit 0
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}
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err()
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{
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echo $* >&2
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}
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fatal()
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{
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err $@
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exit 1
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}
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do_sudo()
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{
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if [ "$UID" = 0 ]; then
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while [[ $1 =~ ^- ]]; do shift; done
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eval "$@"
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return $?
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else
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echo running sudo $@
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#sudo -p "Password for $myname:" $@
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eval sudo "$@"
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return $?
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fi
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}
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ldap_search()
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{
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local ldap_server=ldap.lcl
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local binddn=cn=ldapadm,dc=jannet,dc=de
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local password_file=$HOME/.feedfs-ldap/passwords/$binddn@$ldap_server
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[ -r "$password_file" ] || fatal "Password file $password_file doesn't exist"
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ldapsearch -y $password_file -xZ -h $ldap_server -D $binddn -b $base,ou=networks,dc=jannet,dc=de $@
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}
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list_hostnames()
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{
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ldap_search -LLL "(objectClass=dhcpHost)" cn | sed '/cn: / !d; s/cn: //'
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}
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boot_net()
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{
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[ "$hostname" ] && {
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set -x
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macaddr=`ldap_search -LLL "(cn=$short_hostname) dhcpHWAddress" |
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sed '/dhcpHWAddress:/ !d; s/dhcpHWAddress: ethernet *//'`
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}
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xhost +
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do_sudo /sbin/modprobe kvm-intel
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ps aux | grep -v grep | grep -q dhcpd || /etc/init.d/dhcpd start
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ps aux | grep -v grep | grep -q nfsd || /etc/init.d/nfsserver start
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[ "$nic_model" ] || nic_model=",model=e1000"
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# need this for net access, would be nicer if it didn't run as root
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# -nographic
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do_sudo -E /usr/bin/$exe \
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-boot n \
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-net tap,ifname=tap0,vlan=0,script=$tmpdir/qemu-ifup,downscript=$tmpdir/qemu-ifdown \
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-net nic,vlan=0$nic_model,macaddr=$macaddr \
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"$qemu_opts"
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}
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boot_image()
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{
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local boot_image="$1"
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test -r "$boot_image" || fatal "inaccessible boot image \"$boot_image\""
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xhost +
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do_sudo -E /usr/bin/$exe \
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-net tap,ifname=tap0,vlan=0,script=$tmpdir/qemu-ifup,downscript=$tmpdir/qemu-ifdown \
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-net nic,vlan=0$nic_model,macaddr=$macaddr \
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"$qemu_opts" \
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-drive format=raw,file=$boot_image
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}
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boot()
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{
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local tmpdir=`mktemp -d /tmp/$myname""_XXXXXX`
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(
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cd $tmpdir
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ln -s $0 qemu-ifup
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ln -s $0 qemu-ifdown
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)
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case $1 in
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net)
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boot_net
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;;
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*)
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boot_image "$@"
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;;
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esac
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rm -rf $tmpdir
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}
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# -- here we go
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OPTIND=1
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while getopts lhb:o:x:n: flag; do
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case $flag in
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h)
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usage 0;;
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l)
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list_hostnames
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exit 0;;
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b)
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hostname="$OPTARG"
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short_hostname=`echo $hostname | sed 's/\..*//'`
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dns_domain=`echo $hostname | cut -d. -f2-`
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base=`echo $dns_domain | sed 's/\./,/g; s/\(^\|,\)/\1dc=/g'`
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;;
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x)
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exe="$OPTARG";;
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o)
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qemu_opts="$OPTARG";;
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n)
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nic_model=",model=$OPTARG";;
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*)
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usage 1;;
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esac
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done
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shift $(($OPTIND - 1))
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case $myname in
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*ifup*)
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do_sudo /sbin/ifconfig $1 up
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do_sudo $brctl addif priv0 $1
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;;
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*ifdown*)
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do_sudo $brctl delif priv0 $1
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do_sudo /sbin/ifconfig $1 down
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;;
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qemu.sh)
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boot "$@"
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;;
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qemu-boot.sh) # legacy
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boot "$@"
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;;
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*)
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echo called as unknown executable name $0
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;;
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esac
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