vmresize

#!/bin/bash
#set -x
scriptdir=$(dirname $(realpath $0))
configdir=$scriptdir/config


[[ -z $VMARCH ]] && [[ -a $configdir/VMARCH ]] \
    && VMARCH=$(cat $configdir/VMARCH)
[[ -z $VMHOST ]] && [[ -a $configdir/${VMARCH}.host ]] \
    && VMHOST=$(cat $configdir/${VMARCH}.host)
vmhost=${VMHOST}

if [[ $vmhost != $(hostname) ]]; then
    pre="ssh -x $vmhost"
    pretty="ssh -x -t $vmhost"
else
    unset pre
    unset pretty
fi
arch=${VMARCH:-$($pre uname -i)}
base=${VMBASEVM:-basevm-$arch}

domain=$1
cpus=$2
ram=$3

if [[ -z $domain ]]; then
    echo "USAGE:vmvresize <name> [cpus] [ram]"
    echo "  where name is a the name of one of your  existing vms:"
    $pre virsh list --all | grep -v $base
    echo "  You can use vmnew to create a new one from the base."
    echo "  Base vm is $base ... you should not use this one directly"
    exit -1
fi


if [[ -z $cpus && -z $ram ]]; then
  echo "$DOMAIN: cpus: $($pre virsh vcpucount)"
  
$pre virsh setmem ${DOMAIN} ${VMMEM} --config
$pre virsh setvcpus ${DOMAIN} ${VMCPUS} --config

if ! $pretty virsh console --force $domain; then
   $pre virsh start $domain
   if ! $pretty virsh console --force $domain; then
       echo "WTF: can't seem to start or attach to kele console" > /dev/stderr
       exit -1
   fi
fi