Spotter-VM/build/usr/lib/python3.6/lxcbuild/image.py
Disassembler f8403c5f42
Remove MERGE capability, add FROM
layer inheritance is now linear
2019-11-30 09:59:11 +01:00

56 lines
1.8 KiB
Python

# -*- coding: utf-8 -*-
import os
import sys
from lxcmgr import lxcmgr
from .imagebuilder import ImageBuilder, ImageExistsError, ImageNotFoundError
from .imagepacker import ImagePacker
from .packer import PackageExistsError
class Image:
def __init__(self):
self.name = None
self.conf = {}
self.lxcfile = None
self.build_dir = None
self.force_build = False
self.scratch_build = False
def build_and_pack(self, lxcfile):
self.lxcfile = lxcfile
self.build_dir = os.path.dirname(lxcfile)
self.conf['build'] = True
try:
builder = ImageBuilder(self)
builder.build()
# Packaging needs to happen in any case after a successful build in order to prevent outdated packages
self.force_build = True
except ImageExistsError as e:
print('Image {} already exists, skipping build tasks'.format(e))
except ImageNotFoundError as e:
print('Image {} not found, can\'t build {}'.format(e, self.name))
builder.clean()
sys.exit(1)
except:
if not self.scratch_build:
builder.clean()
raise
del self.conf['build']
# If we're doing a scratch build, regenerate the final LXC container configuration including ephemeral layer
if self.scratch_build:
lxcmgr.create_container(self.name, self.conf)
else:
try:
packer = ImagePacker(self)
packer.pack()
except PackageExistsError as e:
print('Package {} already exists, skipping packaging tasks'.format(e))
def remove(self):
builder = ImageBuilder(self)
builder.clean()
packer = ImagePacker(self)
packer.remove()