bootstrap-vz/bootstrapvz/plugins/vagrant/tasks.py
2016-09-12 19:11:20 +02:00

233 lines
9.5 KiB
Python

from bootstrapvz.base import Task
from bootstrapvz.common import phases
from bootstrapvz.common.tasks import workspace
from bootstrapvz.common.tools import rel_path
import os
import shutil
assets = rel_path(__file__, 'assets')
class CheckBoxPath(Task):
description = 'Checking if the vagrant box file already exists'
phase = phases.validation
@classmethod
def run(cls, info):
box_basename = info.manifest.name.format(**info.manifest_vars)
box_name = box_basename + '.box'
box_path = os.path.join(info.manifest.bootstrapper['workspace'], box_name)
if os.path.exists(box_path):
from bootstrapvz.common.exceptions import TaskError
msg = 'The vagrant box `{name}\' already exists at `{path}\''.format(name=box_name, path=box_path)
raise TaskError(msg)
info._vagrant['box_name'] = box_name
info._vagrant['box_path'] = box_path
class CreateVagrantBoxDir(Task):
description = 'Creating directory for the vagrant box'
phase = phases.preparation
predecessors = [workspace.CreateWorkspace, CheckBoxPath]
@classmethod
def run(cls, info):
info._vagrant['folder'] = os.path.join(info.workspace, 'vagrant')
os.mkdir(info._vagrant['folder'])
class AddPackages(Task):
description = 'Add packages that vagrant depends on'
phase = phases.preparation
@classmethod
def run(cls, info):
info.packages.add('openssh-server')
info.packages.add('sudo')
info.packages.add('nfs-client')
class CreateVagrantUser(Task):
description = 'Creating the vagrant user'
phase = phases.system_modification
@classmethod
def run(cls, info):
from bootstrapvz.common.tools import log_check_call
log_check_call(['chroot', info.root,
'useradd',
'--create-home', '--shell', '/bin/bash',
'vagrant'])
class PasswordlessSudo(Task):
description = 'Allowing the vagrant user to use sudo without a password'
phase = phases.system_modification
@classmethod
def run(cls, info):
sudo_vagrant_path = os.path.join(info.root, 'etc/sudoers.d/vagrant')
with open(sudo_vagrant_path, 'w') as sudo_vagrant:
sudo_vagrant.write('vagrant ALL=(ALL) NOPASSWD:ALL')
import stat
ug_read_only = (stat.S_IRUSR | stat.S_IRGRP)
os.chmod(sudo_vagrant_path, ug_read_only)
class AddInsecurePublicKey(Task):
description = 'Adding vagrant insecure public key'
phase = phases.system_modification
predecessors = [CreateVagrantUser]
@classmethod
def run(cls, info):
ssh_dir = os.path.join(info.root, 'home/vagrant/.ssh')
os.mkdir(ssh_dir)
authorized_keys_source_path = os.path.join(assets, 'authorized_keys')
with open(authorized_keys_source_path, 'r') as authorized_keys_source:
insecure_public_key = authorized_keys_source.read()
authorized_keys_path = os.path.join(ssh_dir, 'authorized_keys')
with open(authorized_keys_path, 'a') as authorized_keys:
authorized_keys.write(insecure_public_key)
import stat
os.chmod(ssh_dir, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
os.chmod(authorized_keys_path, stat.S_IRUSR | stat.S_IWUSR)
# We can't do this directly with python, since getpwnam gets its info from the host
from bootstrapvz.common.tools import log_check_call
log_check_call(['chroot', info.root,
'chown', 'vagrant:vagrant',
'/home/vagrant/.ssh', '/home/vagrant/.ssh/authorized_keys'])
class SetRootPassword(Task):
description = 'Setting the root password to `vagrant\''
phase = phases.system_modification
@classmethod
def run(cls, info):
from bootstrapvz.common.tools import log_check_call
log_check_call(['chroot', info.root, 'chpasswd'], 'root:vagrant')
class PackageBox(Task):
description = 'Packaging the volume as a vagrant box'
phase = phases.image_registration
@classmethod
def run(cls, info):
vagrantfile_source = os.path.join(assets, 'Vagrantfile')
vagrantfile = os.path.join(info._vagrant['folder'], 'Vagrantfile')
shutil.copy(vagrantfile_source, vagrantfile)
import random
mac_address = '080027{mac:06X}'.format(mac=random.randrange(16 ** 6))
from bootstrapvz.common.tools import sed_i
sed_i(vagrantfile, '\\[MAC_ADDRESS\\]', mac_address)
metadata_source = os.path.join(assets, 'metadata.json')
metadata = os.path.join(info._vagrant['folder'], 'metadata.json')
shutil.copy(metadata_source, metadata)
from bootstrapvz.common.tools import log_check_call
disk_name = 'box-disk1.' + info.volume.extension
disk_link = os.path.join(info._vagrant['folder'], disk_name)
log_check_call(['ln', '-s', info.volume.image_path, disk_link])
ovf_path = os.path.join(info._vagrant['folder'], 'box.ovf')
cls.write_ovf(info, ovf_path, mac_address, disk_name)
box_files = os.listdir(info._vagrant['folder'])
log_check_call(['tar', '--create', '--gzip', '--dereference',
'--file', info._vagrant['box_path'],
'--directory', info._vagrant['folder']] + box_files
)
import logging
logging.getLogger(__name__).info('The vagrant box has been placed at ' + info._vagrant['box_path'])
@classmethod
def write_ovf(cls, info, destination, mac_address, disk_name):
namespaces = {'ovf': 'http://schemas.dmtf.org/ovf/envelope/1',
'rasd': 'http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_ResourceAllocationSettingData',
'vssd': 'http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_VirtualSystemSettingData',
'xsi': 'http://www.w3.org/2001/XMLSchema-instance',
'vbox': 'http://www.virtualbox.org/ovf/machine',
}
def attr(element, name, value=None):
for prefix, ns in namespaces.iteritems():
name = name.replace(prefix + ':', '{' + ns + '}')
if value is None:
return element.attrib[name]
else:
element.attrib[name] = str(value)
template_path = os.path.join(assets, 'box.ovf')
import xml.etree.ElementTree as ET
template = ET.parse(template_path)
root = template.getroot()
[disk_ref] = root.findall('./ovf:References/ovf:File', namespaces)
attr(disk_ref, 'ovf:href', disk_name)
# List of OVF disk format URIs
# Snatched from VBox source (src/VBox/Main/src-server/ApplianceImpl.cpp:47)
# ISOURI = "http://www.ecma-international.org/publications/standards/Ecma-119.htm"
# VMDKStreamURI = "http://www.vmware.com/interfaces/specifications/vmdk.html#streamOptimized"
# VMDKSparseURI = "http://www.vmware.com/specifications/vmdk.html#sparse"
# VMDKCompressedURI = "http://www.vmware.com/specifications/vmdk.html#compressed"
# VMDKCompressedURI2 = "http://www.vmware.com/interfaces/specifications/vmdk.html#compressed"
# VHDURI = "http://go.microsoft.com/fwlink/?LinkId=137171"
volume_uuid = info.volume.get_uuid()
[disk] = root.findall('./ovf:DiskSection/ovf:Disk', namespaces)
attr(disk, 'ovf:capacity', info.volume.size.bytes.get_qty_in('B'))
attr(disk, 'ovf:format', info.volume.ovf_uri)
attr(disk, 'vbox:uuid', volume_uuid)
[system] = root.findall('./ovf:VirtualSystem', namespaces)
attr(system, 'ovf:id', info._vagrant['box_name'])
# Set the operating system
[os_section] = system.findall('./ovf:OperatingSystemSection', namespaces)
os_info = {'i386': {'id': 96, 'name': 'Debian'},
'amd64': {'id': 96, 'name': 'Debian_64'}
}.get(info.manifest.system['architecture'])
attr(os_section, 'ovf:id', os_info['id'])
[os_desc] = os_section.findall('./ovf:Description', namespaces)
os_desc.text = os_info['name']
[os_type] = os_section.findall('./vbox:OSType', namespaces)
os_type.text = os_info['name']
[sysid] = system.findall('./ovf:VirtualHardwareSection/ovf:System/'
'vssd:VirtualSystemIdentifier', namespaces)
sysid.text = info._vagrant['box_name']
[machine] = system.findall('./vbox:Machine', namespaces)
import uuid
attr(machine, 'ovf:uuid', uuid.uuid4())
attr(machine, 'ovf:name', info._vagrant['box_name'])
from datetime import datetime
attr(machine, 'ovf:lastStateChange', datetime.now().strftime('%Y-%m-%dT%H:%M:%SZ'))
[nic] = machine.findall('./ovf:Hardware/ovf:Network/ovf:Adapter', namespaces)
attr(machine, 'ovf:MACAddress', mac_address)
[device_img] = machine.findall('./ovf:StorageControllers'
'/ovf:StorageController[@name="SATA Controller"]'
'/ovf:AttachedDevice/ovf:Image', namespaces)
attr(device_img, 'uuid', '{' + str(volume_uuid) + '}')
template.write(destination, xml_declaration=True) # , default_namespace=namespaces['ovf']
class RemoveVagrantBoxDir(Task):
description = 'Removing the vagrant box directory'
phase = phases.cleaning
successors = [workspace.DeleteWorkspace]
@classmethod
def run(cls, info):
shutil.rmtree(info._vagrant['folder'])
del info._vagrant['folder']