libvirtmgt.sh

#! /bin/bash
# swap virt modules for ubuntu 14 LTS

VBOX_SUBMODS="vboxnetadp vboxnetflt vboxpci"
VBOX_MOD_DIR="/var/lib/dkms/virtualbox/$(vboxmanage --version | tail -n 1 | awk -F'_' '{print $1}')/build"

KVM_MOD_CPU=$([[ $(lscpu | grep -ic 'intel') -gt 0 ]] && echo "intel" || echo "amd")
KVM_MOD_DIR="/lib/modules/$(uname -r)/kernel/arch/x86/kvm"

VBOX_ON=$(sudo /sbin/lsmod | grep -c vbox)
KVM_ON=$(sudo /sbin/lsmod | grep -c kvm)

PROC=$()

case "$@" in
"vboxoff")
        if [[ $VBOX_ON -eq 0 ]]; then
                echo "VBOX modules already off"
                exit 1
        fi
        echo "On"
        sudo /sbin/lsmod | grep vbox
        sudo /sbin/rmmod $VBOX_SUBMODS
        sudo /sbin/rmmod vboxdrv
        echo "Off"
        sudo /sbin/lsmod | grep vbox
        ;;
"vboxon")
        if [[ $KVM_ON -ne 0 ]]; then
                echo "KVM modules still on"
                exit 1
        fi
        if [[ $VBOX_ON -gt 0 ]]; then
                echo "VBOX modules already on"
                exit 1
        fi
        echo "KVM lsmod :: " $(sudo /sbin/lsmod | grep kvm)
        echo "Off"
        sudo /sbin/lsmod | grep vbox
        sudo /sbin/insmod $VBOX_MOD_DIR/vboxdrv/vboxdrv.ko
        for mod in $VBOX_SUBMODS; do
                sudo /sbin/insmod $VBOX_MOD_DIR/$mod/${mod}.ko
        done
        echo "On"
        sudo /sbin/lsmod | grep vbox
        ;;
"kvmoff")
        if [[ $KVM_ON -eq 0 ]]; then
                echo "KVM modules already off"
                exit 1
        fi
        echo "On"
        sudo /sbin/lsmod | grep kvm
        sudo /sbin/rmmod kvm-$KVM_MOD_CPU
        sudo /sbin/rmmod kvm
        echo "Off"
        sudo /sbin/lsmod | grep kvm
        ;;
"kvmon")
        if [[ $VBOX_ON -ne 0 ]]; then
                echo "VBox modules still on"
                exit 1
        fi
        if [[ $KVM_ON -gt 0 ]]; then
                echo "KVM modules already on"
                exit 1
        fi
        echo "VBOX lsmod :: " $(sudo /sbin/lsmod | grep vbox)
        echo "Off"
        sudo /sbin/lsmod | grep kvm
        sudo /sbin/insmod $KVM_MOD_DIR/kvm.ko
        sudo /sbin/insmod $KVM_MOD_DIR/kvm-${KVM_MOD_CPU}.ko
        echo "On"
        sudo /sbin/lsmod | grep kvm
        ;;
"status")
        echo "KVM_ON $KVM_ON"
        sudo /sbin/lsmod | grep kvm
        echo "VBOX_ON $VBOX_ON"
        sudo /sbin/lsmod | grep vbox
        ;;
*)
        echo "{vboxoff|vboxon|kvmon|kvmoff|status}"
        ;;
esac