diff options
Diffstat (limited to 'virtualenv/virt')
| -rwxr-xr-x | virtualenv/virt | 58 |
1 files changed, 30 insertions, 28 deletions
diff --git a/virtualenv/virt b/virtualenv/virt index 043589f..06b7642 100755 --- a/virtualenv/virt +++ b/virtualenv/virt @@ -8,6 +8,7 @@ # set -ue +PATH=/usr/bin:/bin root=$(dirname "$0") usage() { @@ -22,22 +23,29 @@ usage() { exit 1 } -get_XML_attribute() { - local domain="$1" object="$2" attribute="$3" +getXMLattr() { + local id="$1" object="$2" attribute="$3" what="${4:-domain}" - /usr/bin/virsh dumpxml "$domain" \ - | /usr/bin/xmlstarlet sel -t -m /domain/"$object" -v @"$attribute" + local cmd + case "$what" in + domain) cmd=;; + network) cmd=net;; + esac + + virsh "${cmd:+$cmd-}dumpxml" "$id" \ + | xmlstarlet sel -t -m "/$what/$object" -n -v @"$attribute" \ + | sed '/^\s*$/d' } add_net_section() { - local net="${3:-$network}" section="$1" xml="$2" - /usr/bin/virsh net-update "$net" add "$section" --xml "$xml" --live --config + local section="$1" xml="$2" net="${3:-$network}" + virsh net-update "$net" add "$section" --xml "$xml" --live --config } doesExist() { - /usr/bin/virsh -r list --all --name | grep -qxF "$1" + virsh -r list --all --name | grep -qxF "$1" } isActive() { - /usr/bin/virsh -r list --name | grep -qxF "$1" + virsh -r list --name | grep -qxF "$1" } install() { @@ -45,12 +53,13 @@ install() { local name=$1 local disk=${2:-$root/images/${name}.qcow2} - local darch version=$(sed -n 's/^VERSION\s*=\s*//p' $root/../preseed/Makefile) + local darch case "${ARCH:=$(/bin/uname -m)}" in i386|i686) darch=i386;; x86_64) darch=amd64;; *) darch=$ARCH;; esac + local version=$(sed -n '/^VERSION\s*=\s*/ {s///p;q}' $root/../preseed/Makefile) local cdrom="$root/../preseed/dist/$darch/debian-$version-$darch-netinst-preseeded.iso" if doesExist "$name"; then @@ -73,45 +82,38 @@ install() { grep -q '^kvm\s' /proc/modules || echo 'WARN: KVM not available!' >&2 - if ! [ -r "$disk" -a -r "$disk" ]; then + if [ ! -f "$disk" ]; then local size=12G echo "Creating (sparse) $size disk image '$disk'" >&2 - /usr/bin/qemu-img create -f "${disk##*.}" \ - -o size="$size",preallocation=metadata "$disk" + qemu-img create -f "${disk##*.}" -o size="$size",preallocation=metadata "$disk" fi # TODO: the bus should be chosen at random among sata,ide,scsi,usb # TODO: test EFI: http://www.linux-kvm.org/page/OVMF - local network=default - /usr/bin/virt-install -q \ + local network=default ip mac + virt-install -q \ --name "$name" \ --arch "$ARCH" \ --ram 128 \ --cdrom "$cdrom" \ --disk "$disk",cache=writeback,bus=sata \ - --network network=$network \ + --network network="$network" \ --graphics spice # Attribute the next available IP. You may also want to add a domain # section, e.g., <domain name='libvirt.example.org'/>, and prepend # the DNS IP to /etc/resolv.conf. # Cf. http://libvirt.org/formatnetwork.html - local mac ip - mac=$(get_XML_attribute "$name" devices/interface/mac address) - ip=$( /usr/bin/virsh net-dumpxml $network \ - | /usr/bin/xmlstarlet sel -t -m /network/ip/dhcp/host -n -v @ip \ - | sed '/^\s*$/d' \ - | sort -n \ - | tail -1 ) + mac=$( getXMLattr $name devices/interface/mac address ) + ip=$( getXMLattr $network ip/dhcp/host ip network | sort -n | tail -1 ) [ "$ip" ] || \ - ip=$( /usr/bin/virsh net-dumpxml $network \ - | /usr/bin/xmlstarlet sel -t -m /network/ip -v @address ) + ip=$( getXMLattr $network ip address network ) ip=${ip%.*}.$(( 1 + ${ip##*.} )) add_net_section ip-dhcp-host "<host mac='$mac' name='$name' ip='$ip'/>" add_net_section dns-host "<host ip='$ip'><hostname>$name</hostname></host>" cat >&2 <<- EOF - Domain '$name' has been created, and has been attributed the IP $ip. + Domain '$name' has been created, and has been given IP $ip. As you can see in virsh list @@ -138,14 +140,14 @@ view(){ exit 1 fi - local type=$(get_XML_attribute "$domain" devices/graphics type) - local port=$(get_XML_attribute "$domain" devices/graphics port) || true + local type=$(getXMLattr "$domain" devices/graphics type) + local port=$(getXMLattr "$domain" devices/graphics port) || true if ! [ "$type" = spice -a "$port" ]; then echo "Error: Could not find a valid Spice server on domain '$domain'." >&2 exit 1 fi - /usr/bin/spicec -h 127.0.0.1 -p $port + spicec -h 127.0.0.1 -p $port } [ $# -gt 0 ] || usage |