virsh_start_wait.sh

virsh_start_wait.sh

#!/bin/bash

TMPF=$(mktemp)

while getopts c: OPT
do
    case $OPT in
        "c" ) export LIBVIRT_DEFAULT_URI=$OPTARG ;;
    esac
done
shift $[OPTIND - 1]

VM=$1

[ ! "$1" ] && echo "need to give domain name" && exit 1

cat <<EOF > ${TMPF}.vm_start_wait.exp
#!/usr/bin/expect

set timeout 1
set timecount 100
log_file -noappend ${TMPF}.vm_start_wait.log

spawn virsh console $VM

expect "Escape character is"
send "\n"
while {\$timecount > 0} {
    send "\n"
    expect "login:" {
        send_user "\nVM start finished\n"
        break
    }
    set timecount [expr \$timecount-1]
    if {[expr \$timecount] == 0} {
        send_user "\nVM start timeout\n"
    }
}
send -- "^]"
interact
EOF
echo "starting domain $VM ..."
virsh start $VM > /dev/null 2>&1
expect ${TMPF}.vm_start_wait.exp > /dev/null 2>&1
[ ! -e ${TMPF}.vm_start_wait.log ] && echo "expect failed." && return 1
grep "VM start finished" ${TMPF}.vm_start_wait.log > /dev/null