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################################################################################
# Include: write final machine configuration file #
################################################################################
setup_disk_image() {
# set read-only image path and uuid
set_attr \
"/VirtualBox/Machine/MediaRegistry/HardDisks/HardDisk" \
"location" "${VBOX_HDD_LINK}"
set_attr \
"/VirtualBox/Machine/MediaRegistry/HardDisks/HardDisk" \
"uuid" "{${HDD_UUID}}"
# add a HardDisk node for the snapshot
add_node \
"/VirtualBox/Machine/MediaRegistry/HardDisks/HardDisk" "HardDisk" \
"uuid={${SNAPSHOT_UUID}}" \
"location=$VBOX_SNAPSHOT_DIR/{${SNAPSHOT_UUID}}.vdi" \
"format=VDI" \
"type=Normal"
# set snapshot dir
set_attr "/VirtualBox/Machine" "snapshotFolder" "${VBOX_SNAPSHOT_DIR}"
# set snapshot uuid
# there should only be exactly one <AttachedDevice> node from the xml
# retrieved from the server
set_attr \
"/VirtualBox/Machine/StorageControllers/StorageController/AttachedDevice/Image" \
"uuid" "{${SNAPSHOT_UUID}}"
}
setup_floppies() {
# add storage controller and 2 floppies to it
if ! node_exists '/VirtualBox/Machine/StorageControllers/StorageController[@name="Floppy"]'; then
add_node \
"/VirtualBox/Machine/StorageControllers" "StorageController" \
"name=Floppy" \
"type=I82078" \
"PortCount=1" \
"useHostIOCache=true"
fi
add_node \
'/VirtualBox/Machine/StorageControllers/StorageController[@name="Floppy"]' "AttachedDevice" \
"type=Floppy" \
"hotpluggable=false" \
"port=0" \
"device=0"
if notempty FLOPPY_0; then
add_node \
'/VirtualBox/Machine/StorageControllers/StorageController[@name="Floppy"]/AttachedDevice[@device="0"]' \
"HostDrive" \
"src=${FLOPPY_0}"
fi
add_node \
'/VirtualBox/Machine/StorageControllers/StorageController[@name="Floppy"]' "AttachedDevice" \
"type=Floppy" \
"hotpluggable=false" \
"port=0" \
"device=1"
# add the slx floppy to the second drive
add_node \
'/VirtualBox/Machine/StorageControllers/StorageController/AttachedDevice[@device="1"]' "Image" \
"uuid={${SLX_FLOPPY_UUID}}"
}
setup_optical_drives() {
if isempty CDROM_0 && isempty CDROM_1; then
writelog "No host CD-ROM detected."
return 1
fi
local controller='StorageController[@type="AHCI"]'
local devnum=1
if node_exists '/VirtualBox/Machine/StorageControllers/'"$controller"; then
# TODO validating port count...
writelog "AHCI controller found, will add CDROMs to it."
else
writelog "Adding SATA controller for CDROMs."
add_node \
"/VirtualBox/Machine/StorageControllers" "StorageController" \
"name=SATA-CDROM" \
"type=AHCI" \
"PortCount=1" \
"useHostIOCache=true"
controller='StorageController[@name="SATA-CDROM"]'
devnum=0
fi
# now add the devices
for cdrom in $CDROM_0 $CDROM_1; do
writelog "Adding passthrough CDROM"
add_node \
'/VirtualBox/Machine/StorageControllers/'"$controller" "AttachedDevice" \
"type=DVD" \
"passthrough=true" \
"hotpluggable=false" \
"port=1" \
"device=$devnum"
(( devnum ++ ))
add_node \
'/VirtualBox/Machine/StorageControllers/'"$controller"'/AttachedDevice[@type="DVD"]' "HostDrive" \
"src=${cdrom}"
done
}
setup_shared_folders() {
# TODO common share through shared folders?
if isempty SHARED_FOLDERS HOME_SHARE_NAME HOME_SHARE_PATH; then
writelog "Missing information to setup shared folders."
return 1
fi
add_node \
"/VirtualBox/Machine/Hardware/SharedFolders" "SharedFolder" \
"name=${HOME_SHARE_NAME}" \
"hostPath=${HOME_SHARE_PATH}" \
"writable=true" \
"autoMount=true"
}
setup_ethernet() {
# remove ':' from MAC address and set it to the main network adapter
VM_MAC_ADDR="$(sed 's/://g' <<< ${VM_MAC_ADDR})"
set_attr "/VirtualBox/Machine/Hardware/Network/Adapter" "MACAddress" "${VM_MAC_ADDR}"
# TODO bridge other nics
}
setup_cpu_ram() {
# set vm's memory
set_attr "/VirtualBox/Machine/Hardware/Memory" "RAMSize" "${VM_MEM}"
# set cpu cores and features
set_attr "/VirtualBox/Machine/Hardware/CPU" "count" "${CPU_CORES}"
# check if KVM is available and activate it if so
if source /run/hwinfo && [ "${HW_KVM}" = "ENABLED" ]; then
set_attr "/VirtualBox/Machine/Hardware/Paravirt" "provider" "KVM"
fi
# activate IOAPIC needed for multi core (?)
if [ $CPU_CORES -gt 1 ]; then
set_attr "/VirtualBox/Machine/Hardware/BIOS/IOAPIC" "enabled" "true"
fi
# PAE support?
local PAE_SUPPORT="false"
detect_cpu_flag "pae" && PAE_SUPPORT="true"
set_attr "/VirtualBox/Machine/Hardware/CPU/PAE" "enabled" "${PAE_SUPPORT}"
# LongMode?
local LM_SUPPORT="false"
detect_cpu_flag "lm" && LM_SUPPORT="true"
set_attr "/VirtualBox/Machine/Hardware/CPU/LongMode" "enabled" "${LM_SUPPORT}"
# Page size extensions?
local PSE_SUPPORT="false"
detect_cpu_flag "pse" && PSE_SUPPORT="true"
set_attr "/VirtualBox/Machine/Hardware/CPU/HardwareVirtExLargePages" "enabled" "${PSE_SUPPORT}"
}
setup_usb() {
## Currently not used
# EXPERIMENTAL: check for USB 3 support and activate it
local XHCI_OK="$(lsusb -t | grep xhci)"
if [ -n "$XHCI_OK" ]; then
# Afaik, there is no way to configure more than one USB controller
# through the GUI, but it is technically possible through xml editing.
# To avoid potential problems, we only add a xHCI controller
# and delete the others, just as the GUI would configure it.
if node_exists "/VirtualBox/Machine/Hardware/USB"; then
del_node "/VirtualBox/Machine/Hardware/USB"
add_node "/VirtualBox/Machine/Hardware/USB/Controllers" "Controller" "name=xHCI" "type=XHCI"
fi
fi
}
setup_sound() {
# force ALSA driver for now and change when others become available
set_attr "/VirtualBox/Machine/Hardware/AudioAdapter" "driver" "ALSA"
}
finalize_machine_config() {
# set the generated machine uuid
set_attr "/VirtualBox/Machine" "uuid" "{${MACHINE_UUID}}"
setup_disk_image
setup_floppies
setup_optical_drives
setup_ethernet
setup_cpu_ram
setup_sound
notempty VBOX_SHARED_FOLDERS && setup_shared_folders
if ! cp -p "$TMPCONFIG" "$VBOX_MACHINE_CONFIG"; then
writelog "Could not copy '$TMPCONFIG' to '$VBOX_MACHINE_CONFIG'!"
fi
}
call_post_source finalize_machine_config
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