--- a/kvmc Wed Jan 14 20:24:32 2009 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,201 +0,0 @@
-#! /bin/bash
-# $Id$
-# $URL$
-# status: in development
-# 2008 Heiko Schlittermann
-
-# Should be written in Perl!
-
-# Structure of virtual machine directories
-# $BASE (see below, hard coded into this script)
-# |
-# +--<vm1>
-# | +--conf
-# | | +--options
-# | | +--id
-# | +--var
-# | | +--pid
-# | | +--running_options
-# | +--<image1>
-# | +-- ....
-# | +--<imageN>
-# |
-# +--<vm2>
-# | ....
-# +--<vmN>
-
-
-action="${1?}"; shift # mandatory
-vm="$1" ; shift # optional
-
-# no user service able parts below
-
-PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
-unset ${!LC_*} LANG CDPATH
-
-ME=$(basename $0)
-BASE=/kvm
-KVM=$(command -v kvm)
-NC=$(command -v nc)
-FUSER=$(command -v fuser)
-VNCVIEWER=$(command -v vncviewer)
-TIMEOUT=30
-
-
-for f in "/etc/$ME.conf" ~/.$ME; do test -r "$f" && source "$f"; done
-
-
-die() { echo $ME: "$@" >&2; exit 1; }
-warn() { echo $ME: "$@" >&2; }
-silently() { "$@" &>/dev/null; }
-
-debug() { echo "DEBUG: $@" >&2; }
-
-unique_ids() {
- local dups=$(cat $BASE/*/conf/id 2>/dev/null | sort -n | uniq -c \
- | egrep -v '^[[:space:]]+1 ' | tr -s ' ' | cut -f2 -d:)
- test "$dups" || return 0
- ERR="$dups" && return 1
-}
-
-convert_dirs() {
- for dir in $BASE/*; do
- test -d $dir/kvm || test -d $dir/conf || continue
- local old=$dir/kvm
- local new=$dir/conf
- test -d $old && mv $old $new
- test -f $new/cmdline && mv $new/cmdline $new/options
- done
-}
-
-monitor() {
- local port=$1; shift
- local command="$1"; shift
-
- # check, if the monitor is available, kill if somebody
- # else is using it
- local client=$(netstat -tn | egrep ":$port[[:space:]]+EST" | tr -s ' ' | cut -f4 -d' ')
- test "${client%:*}" = 127.0.0.1 && fuser -k ${client#*:}/tcp
-
- local pid0 pid1
- (
- local a=$tmp/a.fifo; mkfifo $a
- trap "rm -v $a" EXIT
- exec 10<>$a
- $NC localhost $port <&10 | {
- read || exit # banner
- while read -d' '; do test "$REPLY" = "(qemu)" && break; done
- echo "$command" >&10
- while read -d' '; do test "$REPLY" = "(qemu)" && break; done
- }
- ) & pid0=$!
- ( sleep $TIMEOUT; kill $pid0 ) & pid1=$!
- wait $pid0
- silently kill $pid0 $pid1
-}
-
-### MAIN
-
-# sanity
-test -x "$NC" || die "need nc (netcat)"
-test -x "$KVM" || die "need kvm/qemu/kqemu"
-test -x "$FUSER" || die "need fuser"
-test -d "$BASE" || die "base dir $BASE does not exist"
-test -d "$BASE/$vm" || die "vm $vm does not exist"
-
-unique_ids || die "duplicate ids (id: $ERR)"
-convert_dirs
-
-trap 'test "$TMP" && rm -fr $TMP' EXIT
-
-for vm in ${vm:-$(echo $BASE/*)}; do
- vm=$(basename $vm)
- conf=$BASE/$vm/conf
- var=$BASE/$vm/var
-
- tmp=$(mktemp -d)
- TMP="$TMP $tmp"
-
- test -d $conf || continue
- test -f $conf/id || { warn "need id file (vm: $vm)" && continue; }
- test -f $conf/options || { warn "need options file (vm: $vm)" && continue; }
- test -d $var || mkdir $var || exit 2
-
- id=$(cat $conf/id)
- port=$((4000 + id))
- pid=$(cat $var/pid 2>/dev/null)
-
- case "$action" in
-
- start)
- echo "starting $vm"
- options="$(grep -v '^#' $conf/options) \
- -pidfile var/pid \
- -name "$vm" \
- -vnc :$id \
- -monitor tcp:localhost:$port,server,nowait \
- $@"
- options=$(echo "" $options) # shorten it
- echo "$options" > $var/running_options
- test -f $var/frozen && options="$options $(cat $var/frozen)"
-
- if silently fuser $var/pid; then
- echo "running, pid: $pid, display :$id, monitor tcp:127.0.0.1:$port"
- else
- ( cd $BASE/$vm && $KVM $options -daemonize )
- pid=$(cat $var/pid 2>/dev/null)
- test "$pid" || { warn "serious problem ($vm), no pid" && continue; }
- echo "started, pid: $pid, display :$id, monitor tcp:127.0.0.1:$port"
- fi
-
- test "$DISPLAY" && test "$VNCVIEWER" && test -t \
- && ( silently exec $VNCVIEWER :$id </dev/null & )
-
- ;;
- stop)
- {
- echo "stopping (powerdown) $vm"
- monitor $port "system_powerdown"
- silently fuser $var/pid && $0 quit $vm
- } &
- ;;
- quit)
- {
- echo "quit $vm"
- monitor $port "quit"
- silently fuser $var/pid && $0 kill $vm
- } &
- ;;
- kill)
- echo "killing $vm"
- kill $pid
- ;;
- freeze)
- {
- echo "freezing $vm"
- monitor $port "savevm HIBERNATED"
- monitor $port "quit"
- echo "-loadvm HIBERNATED" >$var/frozen
- } &
- ;;
- qemu)
- echo "DO *NOT* USE \"quit\", use ^C for exiting!"
- $NC localhost $port
- ;;
-
- list)
- echo "$vm:" $(silently fuser $var/pid \
- && echo "running (pid: $pid)" \
- || echo "not running")
- ;;
-
- *) die "unknown command \"$action\""
- ;;
-
- esac
-
-done
-
-wait
-
-# vim:ts=4 sw=4 et: