bootstrap-vz/bootstrapvz/plugins/cloud_init/tasks.py
Anders Ingemann ebba39f59b Convert "provider" into provider specific section
This is where all provider specific settings belong
like waagent on azure, guest additions iso path on vbox and virtualization type on ec2
2014-07-09 23:17:04 +02:00

96 lines
3.1 KiB
Python

from bootstrapvz.base import Task
from bootstrapvz.common import phases
from bootstrapvz.common.tools import log_check_call
from bootstrapvz.common.tasks import apt
from bootstrapvz.common.tasks import locale
import logging
import os.path
class AddBackports(Task):
description = 'Adding backports to the apt sources'
phase = phases.preparation
@classmethod
def run(cls, info):
if info.source_lists.target_exists('{system.release}-backports'):
msg = ('{system.release}-backports target already exists').format(**info.manifest_vars)
logging.getLogger(__name__).info(msg)
else:
info.source_lists.add('backports', 'deb {apt_mirror} {system.release}-backports main')
info.source_lists.add('backports', 'deb-src {apt_mirror} {system.release}-backports main')
class AddCloudInitPackages(Task):
description = 'Adding cloud-init package and sudo'
phase = phases.preparation
predecessors = [apt.AddDefaultSources, AddBackports]
@classmethod
def run(cls, info):
target = None
if info.manifest.system['release'] in ['wheezy', 'stable']:
target = '{system.release}-backports'
info.packages.add('cloud-init', target)
info.packages.add('sudo')
class SetUsername(Task):
description = 'Setting username in cloud.cfg'
phase = phases.system_modification
@classmethod
def run(cls, info):
from bootstrapvz.common.tools import sed_i
cloud_cfg = os.path.join(info.root, 'etc/cloud/cloud.cfg')
username = info.manifest.plugins['cloud_init']['username']
search = '^ name: debian$'
replace = (' name: {username}\n'
' sudo: ALL=(ALL) NOPASSWD:ALL\n'
' shell: /bin/bash').format(username=username)
sed_i(cloud_cfg, search, replace)
class SetMetadataSource(Task):
description = 'Setting metadata source'
phase = phases.package_installation
predecessors = [locale.GenerateLocale]
successors = [apt.AptUpdate]
@classmethod
def run(cls, info):
if 'metadata_sources' in info.manifest.plugins['cloud_init']:
sources = info.manifest.plugins['cloud_init']['metadata_sources']
else:
source_mapping = {'ec2': 'Ec2'}
sources = source_mapping.get(info.manifest.provider['name'], None)
if sources is None:
msg = ('No cloud-init metadata source mapping found for provider `{provider}\', '
'skipping selections setting.').format(provider=info.manifest.provider['name'])
logging.getLogger(__name__).warn(msg)
return
sources = "cloud-init cloud-init/datasources multiselect " + sources
log_check_call(['chroot', info.root, 'debconf-set-selections'], sources)
class DisableModules(Task):
description = 'Setting cloud.cfg modules'
phase = phases.system_modification
@classmethod
def run(cls, info):
import re
patterns = ""
for pattern in info.manifest.plugins['cloud_init']['disable_modules']:
if patterns != "":
patterns = patterns + "|" + pattern
else:
patterns = "^\s+-\s+(" + pattern
patterns = patterns + ")$"
regex = re.compile(patterns)
cloud_cfg = os.path.join(info.root, 'etc/cloud/cloud.cfg')
import fileinput
for line in fileinput.input(files=cloud_cfg, inplace=True):
if not regex.match(line):
print line,