bootstrap-vz/bootstrapvz/plugins/minimize_size/__init__.py
2015-12-13 19:41:16 +01:00

44 lines
1.7 KiB
Python

import tasks.mounts
import tasks.shrink
import tasks.apt
import tasks.dpkg
def validate_manifest(data, validator, error):
import os.path
schema_path = os.path.join(os.path.dirname(__file__), 'manifest-schema.yml')
validator(data, schema_path)
if data['plugins']['minimize_size'].get('shrink', False) and data['volume']['backing'] != 'vmdk':
error('Can only shrink vmdk images', ['plugins', 'minimize_size', 'shrink'])
def resolve_tasks(taskset, manifest):
taskset.update([tasks.mounts.AddFolderMounts,
tasks.mounts.RemoveFolderMounts,
])
if manifest.plugins['minimize_size'].get('zerofree', False):
taskset.add(tasks.shrink.AddRequiredCommands)
taskset.add(tasks.shrink.Zerofree)
if manifest.plugins['minimize_size'].get('shrink', False):
taskset.add(tasks.shrink.AddRequiredCommands)
taskset.add(tasks.shrink.ShrinkVolume)
if 'apt' in manifest.plugins['minimize_size']:
apt = manifest.plugins['minimize_size']['apt']
if apt.get('autoclean', False):
taskset.add(tasks.apt.AutomateAptClean)
if 'languages' in apt:
taskset.add(tasks.apt.FilterTranslationFiles)
if apt.get('gzip_indexes', False):
taskset.add(tasks.apt.AptGzipIndexes)
if apt.get('autoremove_suggests', False):
taskset.add(tasks.apt.AptAutoremoveSuggests)
if 'locales' in apt:
taskset.update([tasks.dpkg.CreateBootstrapFilterScripts,
tasks.dpkg.DeleteBootstrapFilterScripts,
tasks.dpkg.FilterLocales,
])
def resolve_rollback_tasks(taskset, manifest, completed, counter_task):
counter_task(taskset, tasks.AddFolderMounts, tasks.RemoveFolderMounts)
counter_task(taskset, tasks.CreateBootstrapFilterScripts, tasks.DeleteBootstrapFilterScripts)