training-labs/labs/stacktrain/virtualbox/install_base.py

182 lines
5.5 KiB
Python

#!/usr/bin/env python
# Force Python 2 to use float division even for ints
from __future__ import division
from __future__ import print_function
import importlib
import os
import errno
import logging
import stacktrain.config.general as conf
import stacktrain.config.virtualbox as cvb
import stacktrain.virtualbox.vm_create as vm
import stacktrain.core.iso_image as iso_image
import stacktrain.batch_for_windows as wbatch
import stacktrain.core.autostart as autostart
import stacktrain.core.cond_sleep as cs
distro_boot = importlib.import_module("stacktrain.distros.%s" %
conf.distro_full)
logger = logging.getLogger(__name__)
def base_disk_exists():
return os.path.isfile(cvb.get_base_disk_path())
def disk_delete_child_vms(disk):
if not vm.disk_registered(disk):
logger.warn("Disk not registered with VirtualBox:\n\t%s", disk)
return 0
while True:
child_disk_uuid = vm.get_next_child_disk_uuid(disk)
if not child_disk_uuid:
break
child_disk_path = vm.disk_to_path(child_disk_uuid)
vm_name = vm.disk_to_vm(child_disk_uuid)
if vm_name:
logger.info("Deleting VM %s.", vm_name)
vm.vm_delete(vm_name)
else:
logger.info("Unregistering and deleting:\n\t%s", child_disk_path)
vm.disk_unregister(child_disk_uuid)
os.remove(child_disk_path)
def base_disk_delete():
base_disk_path = cvb.get_base_disk_path()
if vm.disk_registered(base_disk_path):
# Remove users of base disk
logger.info("Unregistering and removing all disks attached to"
" base disk path.")
disk_delete_child_vms(base_disk_path)
logger.info("Unregistering old base disk.")
vm.disk_unregister(base_disk_path)
logger.info("Removing old base disk.")
try:
os.remove(base_disk_path)
except OSError as err:
if err.errno != errno.ENOENT:
raise
# File doesn't exist, that's fine.
def vm_install_base():
vm_name = "base"
conf.vm[vm_name] = conf.VMconfig(vm_name)
base_disk_path = cvb.get_base_disk_path()
base_build_disk = os.path.join(conf.img_dir, "tmp-disk.vdi")
logger.info("Creating\n\t%s.", base_disk_path)
if conf.wbatch:
wbatch.wbatch_begin_base()
wbatch.wbatch_delete_disk(base_build_disk)
if conf.do_build:
if base_disk_exists():
logger.info("Deleting existing basedisk.")
base_disk_delete()
try:
os.remove(base_build_disk)
except OSError as err:
if err.errno != errno.ENOENT:
raise
# File doesn't exist, that's fine.
vm_config = conf.vm[vm_name]
if conf.do_build:
install_iso = iso_image.find_install_iso()
else:
install_iso = os.path.join(conf.img_dir, conf.iso_image.name)
logger.info("Install ISO:\n\t%s", install_iso)
vm.vm_create(vm_config)
vm.vm_mem(vm_config)
vm.vm_attach_dvd(vm_name, install_iso)
if conf.wbatch:
vm.vm_attach_guestadd_iso(vm_name)
vm.create_vdi(base_build_disk, conf.base_disk_size)
vm.vm_attach_disk(vm_name, base_build_disk)
if conf.wbatch:
# Automounted on /media/sf_bootstrap for first boot
vm.vm_add_share_automount(vm_name, conf.share_dir, "bootstrap")
# Mounted on /conf.share_name after first boot
vm.vm_add_share(vm_name, conf.share_dir, conf.share_name)
else:
vm.vm_port(vm_name, "ssh", conf.vm[vm_name].ssh_port, 22)
vm.vbm("modifyvm", vm_name, "--boot1", "dvd")
vm.vbm("modifyvm", vm_name, "--boot2", "disk")
autostart.autostart_reset()
if conf.wbatch:
autostart.autostart_queue("osbash/activate_autostart.sh")
autostart.autostart_queue("osbash/base_fixups.sh")
autostart.autostart_from_config(conf.base_install_scripts)
autostart.autostart_queue("zero_empty.sh", "shutdown.sh")
logger.info("Booting VM %s.", vm_name)
vm.vm_boot(vm_name)
# Note: It takes about 5 seconds for the installer in the VM to be ready
# on a fairly typical laptop. If we don't wait long enough, the
# installation will fail. Ideally, we would have a different method
# of making sure the installer is ready. For now, we just have to
# try and err on the side of caution.
delay = 10
logger.info("Waiting %d seconds for VM %s to come up.", delay, vm_name)
cs.conditional_sleep(delay)
logger.info("Booting into distribution installer.")
distro_boot.distro_start_installer(vm_config)
autostart.autostart_and_wait(vm_name)
vm.vm_wait_for_shutdown(vm_name)
# Detach disk from VM now or it will be deleted by vm_unregister_del
vm.vm_detach_disk(vm_name)
vm.vm_unregister_del(vm_name)
del conf.vm[vm_name]
logger.info("Compacting %s.", base_build_disk)
vm.vbm("modifyhd", base_build_disk, "--compact")
# This disk will be moved to a new name, and this name will be used for
# a new disk next time the script runs.
vm.disk_unregister(base_build_disk)
logger.info("Base disk created.")
logger.info("Moving base disk to:\n\t%s", base_disk_path)
if conf.do_build:
import shutil
shutil.move(base_build_disk, base_disk_path)
if conf.wbatch:
wbatch.wbatch_rename_disk(os.path.basename(base_build_disk),
os.path.basename(base_disk_path))
wbatch.wbatch_end_file()
logger.info("Base disk build ends.")