Disassembler/Spotter-VM
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Add checks, fix build

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This commit is contained in:
Disassembler 2019-09-20 15:43:01 +02:00
parent 7116566519
commit bbfe11f557
Signed by: Disassembler
GPG Key ID: 524BD33A0EE29499
7 changed files with 60 additions and 46 deletions
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2
apk/vmmgr

@ -1 +1 @@
Subproject commit c3b711850e02a6e228c4eb64ed82a4d1bc889ae9
Subproject commit 4c2616887f52b1265aa5943d1b6bd0f7d5e9f008

3
build/usr/bin/lxcbuild
View File

@ -2,6 +2,7 @@
# -*- coding: utf-8 -*-
import argparse
import os
import sys
from lxcbuild.app import App
from lxcbuild.image import Image
@ -37,7 +38,7 @@ else:
image.build_and_pack(args.force)
if os.path.exists(meta):
valid_dir = True
app = App(buildpath)
app = App(meta)
app.pack()
if not valid_dir:
print('Directory {} doesn\'t contain anything to build, skipping'.format(buildpath))

14
build/usr/lib/python3.6/lxcbuild/app.py
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@ -1,16 +1,26 @@
# -*- coding: utf-8 -*-
import json
import os
import sys
from .builder import ImageNotFoundError
from .packer import Packer
class App:
def __init__(self, metafile):
self.build_dir = os.path.dirname(metafile)
self.name = os.path.basename(self.build_dir)
if os.path.basename(metafile) == 'meta':
self.name = os.path.basename(self.build_dir)
else:
self.name = os.path.splitext(metafile)[0]
with open(metafile, 'r') as f:
self.conf = json.load(f)
def pack(self):
packer = Packer()
packer.pack_app(self)
try:
packer.pack_app(self)
except ImageNotFoundError as e:
print('Image {} not found, can\'t pack {}'.format(e, self.name))
sys.exit(1)

8
build/usr/lib/python3.6/lxcbuild/builder.py
View File

@ -6,7 +6,7 @@ import subprocess
import sys
from lxcmgr import lxcmgr
from lxcmgr.paths import PKG_STORAGE_DIR
from lxcmgr.paths import LXC_STORAGE_DIR
class ImageExistsError(Exception):
pass
@ -63,10 +63,10 @@ class Builder:
self.set_ready(args)
def get_layer_path(self, layer):
return os.path.join(PKG_STORAGE_DIR, layer)
return os.path.join(LXC_STORAGE_DIR, layer)
def run_script(self, script):
lxcmgr.register_container(self.image.name, self.image.conf)
lxcmgr.create_container(self.image.name, self.image.conf)
sh = os.path.join(self.image.path, 'run.sh')
with open(sh, 'w') as f:
f.write('#!/bin/sh\nset -ev\n\n{}\n'.format('\n'.join(script)))
@ -74,7 +74,7 @@ class Builder:
os.chown(sh, 100000, 100000)
subprocess.run(['lxc-execute', self.image.name, '--', '/bin/sh', '-lc', '/run.sh'], check=True)
os.unlink(sh)
lxcmgr.unregister_container(self.image.name)
lxcmgr.destroy_container(self.image.name)
def set_name(self, name):
self.image.name = name

4
build/usr/lib/python3.6/lxcbuild/crypto.py
View File

@ -7,10 +7,10 @@ from cryptography.hazmat.primitives import hashes
from cryptography.hazmat.primitives.asymmetric import ec
from cryptography.hazmat.primitives.serialization import load_pem_private_key
def sign_file(private_key, input_path):
def sign_file(private_key_path, input_path):
# Generate SHA512 signature of a file using EC private key
print('Signing packages')
with open(private_key, 'rb') as f:
with open(private_key_path, 'rb') as f:
priv_key = load_pem_private_key(f.read(), None, default_backend())
with open(input_path, 'rb') as f:
data = f.read()

66
build/usr/lib/python3.6/lxcbuild/packer.py
View File

@ -6,9 +6,11 @@ import subprocess
import sys
from lxcmgr.paths import LXC_STORAGE_DIR
from lxcmgr.pkgmgr import PkgMgr
from . import crypto
from .paths import APP_DIR, IMAGE_DIR, META_FILE, PRIVATE_KEY, ROOT_DIR, SIGNATURE_FILE
from .builder import ImageNotFoundError
from .paths import PRIVATE_KEY, REPO_APPS_DIR, REPO_IMAGES_DIR, REPO_META_FILE, REPO_SIG_FILE
class PackageExistsError(Exception):
pass
@ -19,23 +21,20 @@ class Packer:
self.image = None
self.tar_path = None
self.xz_path = None
def load_packages_meta(self):
if os.path.exists(PKG_META):
with open(PKG_META, 'r') as f:
return json.load(f)
if os.path.exists(REPO_META_FILE):
with open(REPO_META_FILE, 'r') as f:
self.packages = json.load(f)
else:
return {'apps': {}, 'images': {}}
def save_packages_meta(self, packages):
with open(PKG_META, 'w') as f:
json.dump(packages, f, sort_keys=True, indent=4)
self.packages = {'apps': {}, 'images': {}}
def save_repo_meta(self):
with open(REPO_META_FILE, 'w') as f:
json.dump(self.packages, f, sort_keys=True, indent=4)
def pack_image(self, image, force):
self.image = image
# Prepare package file names
self.tar_path = os.path.join(IMAGE_DIR, '{}.tar'.format(self.image.name))
self.tar_path = os.path.join(REPO_IMAGES_DIR, '{}.tar'.format(self.image.name))
self.xz_path = '{}.xz'.format(self.tar_path)
if os.path.exists(self.xz_path):
if force:
@ -60,30 +59,36 @@ class Packer:
print('Compressed ', self.xz_path, '({:.2f} MB)'.format(os.path.getsize(self.xz_path)/1048576))
def register_image(self):
# Register package in global repository metadata file
# Register image in global repository metadata file
print('Registering package {}'.format(self.image.name))
packages = self.load_packages_meta()
packages['images'][self.image.name] = self.image.conf.copy()
packages['images'][self.image.name]['size'] = os.path.getsize(self.xz_path)
packages['images'][self.image.name]['sha512'] = crypto.hash_file(self.xz_path)
self.save_packages_meta(packages)
self.packages['images'][self.image.name] = self.image.conf.copy()
self.packages['images'][self.image.name]['size'] = os.path.getsize(self.xz_path)
self.packages['images'][self.image.name]['sha512'] = crypto.hash_file(self.xz_path)
self.save_repo_meta()
# Register the image also to locally installed images for package manager
pm = PkgMgr()
pm.register_image(self.image.name, self.packages['images'][self.image.name])
def sign_packages(self):
signature = crypto.sign_file(PRIVATE_KEY, META_FILE)
with open(SIGNATURE_FILE, 'wb') as f:
signature = crypto.sign_file(PRIVATE_KEY, REPO_META_FILE)
with open(REPO_SIG_FILE, 'wb') as f:
f.write(signature)
def unregister_image(self):
# Removes package from global repository metadata file
packages = self.load_packages_meta()
if self.image.name in packages['images']:
del packages['images'][self.image.name]
self.save_packages_meta(packages)
if self.image.name in self.packages['images']:
del self.packages['images'][self.image.name]
self.save_repo_meta()
def pack_app(self, app):
self.app = app
# Check if all images exist
for container in app.conf['containers']:
image = app.conf['containers'][container]['image']
if image not in self.packages['images']:
raise ImageNotFoundError(image)
# Prepare package file names
self.tar_path = os.path.join(APP_DIR, '{}.tar'.format(self.image.name))
self.tar_path = os.path.join(REPO_APPS_DIR, '{}.tar'.format(self.app.name))
self.xz_path = '{}.xz'.format(self.tar_path)
if os.path.exists(self.xz_path):
os.unlink(self.xz_path)
@ -96,14 +101,13 @@ class Packer:
print('Archiving setup scripts for', self.app.name)
scripts = ('install', 'install.sh', 'upgrade', 'upgrade.sh', 'uninstall', 'uninstall.sh')
scripts = [s for s in scripts if os.path.exists(os.path.join(self.app.build_dir, s))]
subprocess.run(['tar', '--xattrs', '-cpf', self.tar_path] + scripts, cwd=self.app.build_dir)
subprocess.run(['tar', '--xattrs', '-cpf', self.tar_path, '--transform', 's,^,{}/,'.format(self.app.name)] + scripts, cwd=self.app.build_dir)
self.compress_archive()
def register_app(self):
# Register package in global repository metadata file
print('Registering package {}'.format(self.app.name))
packages = self.load_packages_meta()
packages['apps'][self.image.name] = self.app.conf.copy()
packages['apps'][self.image.name]['size'] = os.path.getsize(self.xz_path)
packages['apps'][self.image.name]['sha512'] = crypto.hash_file(self.xz_path)
self.save_packages_meta(packages)
self.packages['apps'][self.app.name] = self.app.conf.copy()
self.packages['apps'][self.app.name]['size'] = os.path.getsize(self.xz_path)
self.packages['apps'][self.app.name]['sha512'] = crypto.hash_file(self.xz_path)
self.save_repo_meta()

9
build/usr/lib/python3.6/lxcbuild/paths.py
View File

@ -1,8 +1,7 @@
# -*- coding: utf-8 -*-
ROOT_DIR = '/srv/build/lxc'
IMAGE_DIR = os.path.join(ROOT_DIR, 'images')
APP_DIR = os.path.join(ROOT_DIR, 'apps')
META_FILE = os.path.join(ROOT_DIR, 'packages')
SIGNATURE_FILE = os.path.join(ROOT_DIR, 'packages.sig')
PRIVATE_KEY = '/srv/build/packages.key'
REPO_APPS_DIR = '/srv/build/lxc/apps'
REPO_IMAGES_DIR = '/srv/build/lxc/images'
REPO_META_FILE = '/srv/build/lxc/packages'
REPO_SIG_FILE = '/srv/build/lxc/packages.sig'