1
0
mirror of https://github.com/gryf/boxpy.git synced 2025-12-19 21:47:59 +01:00

Attaching media images to vm, fixing some bugs

This commit is contained in:
2021-04-08 19:33:06 +02:00
parent 8156235d7d
commit f61652a98d

102
box.py
View File

@@ -5,6 +5,27 @@ import os
import subprocess
import tempfile
import sys
META_DATA_TPL = string.Template('''\
instance-id: $instance_id
local-hostname: $vmhostname
''')
USER_DATA_TPL = string.Template('''\
#cloud-config
users:
- default
- name: ubuntu
ssh_authorized_keys:
- $ssh_key
chpasswd: { expire: False }
gecos: ubuntu
sudo: ALL=(ALL) NOPASSWD:ALL
groups: users, admin
power_state:
mode: poweroff
timeout: 10
condition: True
''')
class VMCreate:
@@ -22,7 +43,6 @@ class VMCreate:
- detach iso image and remove it
"""
CLOUD_IMAGE = "ci.iso"
CLOUD_INIT_FINISHED_CMD = "test /var/lib/cloud/instance/boot-finished"
CACHE_DIR = os.environ.get('XDG_CACHE_HOME',
os.path.expanduser('~/.cache'))
@@ -32,11 +52,21 @@ class VMCreate:
self.memory = args.memory
self.disk_size = args.disk_size
self.ubuntu_version = args.version
self.hostname = args.hostname
self.ssh_key_path = args.key
if not self.ssh_key_path.endswith('.pub'):
self.ssh_key_path += '.pub'
if not os.path.exists(self.ssh_key_path):
raise AttributeError(f'Cannot find default ssh public key: '
f'{self.ssh_key_path}')
self._img = f"ubuntu-{self.ubuntu_version}-server-cloudimg-amd64.img"
self._temp_path = None
self._disk_img = self.vm_name + '.vdi'
self._tmp = None
self._vm_base_path = None
self._vm_uuid = None
def run(self):
try:
@@ -44,14 +74,58 @@ class VMCreate:
self._download_image()
self._convert_and_resize()
self._create_and_setup_vm()
self._create_cloud_image()
self._attach_images_to_vm()
self._power_on_and_wait_for_ci_finish()
finally:
self._cleanup()
def _attach_images_to_vm(self):
vdi_path = os.path.join(self._tmp, self._disk_img)
# couple of commands for changing the disk size, creating controllers
# and attaching disk and config drive to the vm.
# NOTE: modifymedium will register the disk image in Virtual Media
# Manager, while convertfromraw not.
commands = [['vboxmanage', 'modifymedium', 'disk', vdi_path,
'--resize', str(self.disk_size), '--move',
os.path.join(self._vm_base_path, self._disk_img)],
['vboxmanage', 'storagectl', self._vm_uuid, '--name',
'IDE', '--add', 'ide'],
['vboxmanage', 'storagectl', self._vm_uuid, '--name',
'SATA', '--add', 'sata'],
['vboxmanage', 'storageattach', self._vm_uuid,
'--storagectl', 'SATA',
'--port', '0',
'--device', '0',
'--type', 'hdd',
'--medium',
os.path.join(self._vm_base_path, self._disk_img)],
['vboxmanage', 'storageattach', self._vm_uuid,
'--storagectl', 'IDE',
'--port', '1',
'--device', '0',
'--type', 'dvddrive',
'--medium',
os.path.join(self._tmp, self.CLOUD_IMAGE)]]
for cmd in commands:
if subprocess.call(cmd) != 0:
cmd = ' '.join(cmd)
raise AttributeError(f'command: {cmd} has failed')
def _create_and_setup_vm(self):
if subprocess.call(['vboxmanage', 'createvm', '--name', self.vm_name,
'--register']) != 0:
out = subprocess.check_output(['vboxmanage', 'createvm', '--name',
self.vm_name, '--register'],
encoding=sys.getdefaultencoding())
for line in out.split('\n'):
print(line)
if line.startswith('UUID:'):
self._vm_uuid = line.split('UUID:')[1].strip()
if not self._vm_uuid:
raise OSError(f'Cannot create VM "{self.vm_name}".')
if subprocess.call(['vboxmanage', 'modifyvm', self.vm_name,
if subprocess.call(['vboxmanage', 'modifyvm', self._vm_uuid,
'--memory', str(self.memory),
'--cpus', str(self.cpus),
'--boot1', 'disk',
@@ -59,14 +133,14 @@ class VMCreate:
'--audio', 'none',
'--nic1', 'nat',
'--natpf1', 'guestssh,tcp,,2222,,22']) != 0:
raise OSError(f'Cannot modify VM "{self.vm_name}".')
raise OSError(f'Cannot modify VM "{self._vm_uuid}".')
out = subprocess.check_output(['vboxmanage', 'showvminfo',
self.vm_name],
self._vm_uuid],
encoding=sys.getdefaultencoding())
path = None
for line in out.split('\n'):
if line.startswith('Config file:'):
path = os.path.dirname(line.split('Config file:').strip())
path = os.path.dirname(line.split('Config file:')[1].strip())
if not path:
raise AttributeError(f'There is something wrong doing VM '
@@ -120,11 +194,6 @@ class VMCreate:
'to VDI.')
os.unlink(raw_path)
if subprocess.call(['vboxmanage', 'modifyhd', vdi_path, '--resize',
str(self.disk_size)]) != 0:
raise AttributeError(f'Cannot resize image {self._disk_img} to '
'{self.disk_size}.')
def _download_image(self):
if self._checksum():
print(f'Image already downloaded: {self._img}')
@@ -146,6 +215,8 @@ class VMCreate:
print(f'Downloaded image {self._img}')
def _cleanup(self):
subprocess.call(['vboxmanage', 'closemedium', 'dvd',
os.path.join(self._tmp, self.CLOUD_IMAGE)])
subprocess.call(['rm', '-fr', self._tmp])
@@ -169,7 +240,12 @@ def main():
help="disk size to be expanded to. By default to 32GB")
create.add_argument('-v', '--version', default="18.04",
help="Ubuntu server version. Default 18.04")
create.add_argument('-n', '--hostname', default="ubuntu",
help="VM hostname. Default ubuntu")
create.add_argument('-k', '--key',
default=os.path.expanduser("~/.ssh/id_rsa"),
help="SSH key to be add to the config drive. Default "
"~/.ssh/id_rsa")
completion = subparsers.add_parser('completion')
completion.add_argument('shell', choices=['bash'],
help="pick shell to generate completions for")