add image file

This commit is contained in:
Emmanuel Garette 2021-05-24 16:22:39 +02:00
parent b6c5dccf17
commit c0244eac8c

278
src/risotto/image.py Normal file
View File

@ -0,0 +1,278 @@
from os import listdir, walk, makedirs
from os.path import isfile, isdir, join, dirname
from yaml import load, SafeLoader
from json import load as jload, dump as jdump
from time import time
from shutil import copy2, rmtree, move
from hashlib import sha512
from subprocess import Popen
from rougail import RougailConvert, RougailConfig, RougailUpgrade
try:
from tiramisu3 import Config
except:
from tiramisu import Config
from .utils import _
DATASET_PATH = ''
TMP_DIRECTORY = '/tmp'
PACKER_TMP_DIRECTORY = join(TMP_DIRECTORY, 'packer')
PACKER_FILE_NAME = 'recipe.json'
IMAGES_DIRECTORY = join(TMP_DIRECTORY, 'images')
FUNCTIONS = b"""from tiramisu import valid_network_netmask, valid_ip_netmask, valid_broadcast, valid_in_network, valid_not_equal as valid_differ, valid_not_equal, calc_value
# =============================================================
# fork of risotto-setting/src/risotto_setting/config/config.py
def get_password(**kwargs):
return 'password'
def get_ip(**kwargs):
return '1.1.1.1'
def get_chain(**kwargs):
return 'chain'
def get_certificates(**kwargs):
return []
def get_certificate(**kwargs):
return 'certificate'
def get_private_key(**kwargs):
return 'private_key'
def get_linked_configuration(**kwargs):
if 'test' in kwargs and kwargs['test']:
return kwargs['test'][0]
return 'configuration'
def zone_information(**kwargs):
return 'zone'
# =============================================================
"""
class Image:
def __init__(self):
self.parse_applications()
def parse_applications(self) -> None:
self.builds = []
self.applications = {}
for distrib in listdir(join(DATASET_PATH, 'seed')):
distrib_dir = join(DATASET_PATH, 'seed', distrib, 'applicationservice')
if not isdir(distrib_dir):
continue
for release in listdir(distrib_dir):
release_dir = join(distrib_dir, release)
if not isdir(release_dir):
continue
for applicationservice in listdir(release_dir):
applicationservice_dir = join(release_dir, applicationservice)
if not isdir(applicationservice_dir):
continue
if applicationservice in self.applications:
raise Exception('multi applicationservice')
with open(join(applicationservice_dir, 'applicationservice.yml')) as yaml:
app = load(yaml, Loader=SafeLoader)
self.applications[applicationservice] = {'path': applicationservice_dir,
'yml': app,
}
if 'service' in app and app['service']:
self.builds.append(applicationservice)
def calc_depends(self,
dependencies: list,
appname,
):
app = self.applications[appname]['yml']
if not 'depends' in app or not app['depends']:
return
for dependency in app['depends']:
dependency_path = self.applications[dependency]['path']
if dependency_path not in dependencies:
dependencies.insert(0, dependency_path)
self.calc_depends(dependencies, dependency)
def list_images(self):
for build in self.builds:
dependencies = [self.applications[build]['path']]
self.calc_depends(dependencies, build)
yield build, dependencies
def copy_files(self,
src_path: str,
dst_path: str,
) -> None:
root_len = len(src_path) + 1
for dir_name, subdir_names, filenames in walk(src_path):
subdir = join(dst_path, dir_name[root_len:])
if not isdir(subdir):
makedirs(subdir)
for filename in filenames:
path = join(dir_name, filename)
sub_dst_path = join(subdir, filename)
if isfile(sub_dst_path):
raise Exception(_(f'Try to copy {sub_dst_path} which is already exists'))
copy2(path, sub_dst_path)
def load_configuration(self,
dependencies_path: list,
packer_tmp_directory: str,
) -> dict:
config = RougailConfig.copy()
dictionaries = [join(dependency_path, 'dictionaries') for dependency_path in dependencies_path if isdir(join(dependency_path, 'dictionaries'))]
upgrade = RougailUpgrade()
dest_dictionaries = join(packer_tmp_directory, 'dictionaries')
makedirs(dest_dictionaries)
dest_dictionaries_extras = join(packer_tmp_directory, 'dictionaries_extras')
makedirs(dest_dictionaries_extras)
for dependency_path in dependencies_path:
dictionaries_dir = join(dependency_path, 'dictionaries')
if isdir(dictionaries_dir):
upgrade.load_xml_from_folders(dictionaries_dir,
dest_dictionaries,
RougailConfig['variable_namespace'],
)
extra_dir = join(dependency_path, 'extras', 'packer')
if isdir(extra_dir):
upgrade.load_xml_from_folders(extra_dir,
dest_dictionaries_extras,
'packer',
)
config['dictionaries_dir'] = [dest_dictionaries]
config['extra_dictionaries'] = {'packer': [dest_dictionaries_extras]}
return config
def merge_funcs(self,
config: RougailConfig,
dependencies_path: list,
packer_tmp_directory: str,
):
functions = FUNCTIONS
for dependency_path in dependencies_path:
funcs_dir = join(dependency_path, 'funcs')
if not isdir(funcs_dir):
continue
for func in listdir(funcs_dir):
print(join(funcs_dir, func))
with open(join(funcs_dir, func), 'rb') as fh:
functions += fh.read()
func_name = join(packer_tmp_directory, 'func.py')
with open(func_name, 'wb') as fh:
fh.write(functions)
config['functions_file'] = func_name
async def get_packer_information(self,
config: RougailConfig,
packer_tmp_directory: str,
) -> dict:
eolobj = RougailConvert(config)
xml = eolobj.save(join(packer_tmp_directory, 'tiramisu.py'))
optiondescription = {}
exec(xml, None, optiondescription)
config = await Config(optiondescription['option_0'])
return await config.option('packer').value.dict(flatten=True)
def do_recipe_checksum(self,
path: str,
) -> str:
files = []
root_len = len(path) + 1
for dir_name, subdir_names, filenames in walk(path):
subpath = dir_name[root_len:]
for filename in filenames:
with open(join(dir_name, filename), 'rb') as fh:
ctl_sum = sha512(fh.read()).hexdigest()
files.append(f'{subpath}/{filename}/ctl_sum')
return sha512('\n'.join(files).encode()).hexdigest()
async def build(self) -> None:
if isdir(PACKER_TMP_DIRECTORY):
rmtree(PACKER_TMP_DIRECTORY)
for application, dependencies_path in self.list_images():
packer_tmp_directory = join(PACKER_TMP_DIRECTORY,
application + '_' + str(time()),
)
makedirs(packer_tmp_directory)
packer_tmp_os_directory = join(packer_tmp_directory, 'os')
makedirs(packer_tmp_os_directory)
packer_tmp_img_directory = join(packer_tmp_directory, 'image')
makedirs(packer_tmp_img_directory)
config = self.load_configuration(dependencies_path, packer_tmp_directory)
self.merge_funcs(config, dependencies_path, packer_tmp_directory)
packer_configuration = await self.get_packer_information(config, packer_tmp_directory)
# OS image needed ?
packer_dst_os_filename = join(IMAGES_DIRECTORY,
'os',
packer_configuration['os_name'] + '_' + packer_configuration['os_version'] + '.img',
)
for dependency_path in dependencies_path:
packer_directory = join(dependency_path,
'packer',
'os',
)
self.copy_files(packer_directory,
packer_tmp_os_directory,
)
packer_directory = join(dependency_path,
'packer',
'image',
)
self.copy_files(packer_directory,
packer_tmp_img_directory,
)
if not isfile(packer_dst_os_filename):
self.build_image(packer_dst_os_filename,
packer_tmp_os_directory,
packer_configuration,
)
recipe_checksum = self.do_recipe_checksum(packer_tmp_img_directory)
packer_dst_filename = join(IMAGES_DIRECTORY,
f'{recipe_checksum}.img',
)
self.build_image(packer_dst_filename,
packer_tmp_img_directory,
packer_configuration,
)
def build_image(self,
packer_dst_filename: str,
packer_tmp_directory: str,
packer_configuration: dict,
) -> None:
tmp_directory = join(packer_tmp_directory, 'tmp')
makedirs(tmp_directory)
packer_configuration['tmp_directory'] = tmp_directory
recipe = {'variables': packer_configuration}
packer_filename = join(packer_tmp_directory, PACKER_FILE_NAME)
with open(packer_filename, 'r') as recipe_fd:
for key, value in jload(recipe_fd).items():
recipe[key] = value
with open(packer_filename, 'w') as recipe_fd:
jdump(recipe, recipe_fd, indent=2)
proc = Popen(['packer', 'build', packer_filename],
#stdout=PIPE,
#stderr=PIPE,
cwd=tmp_directory,
)
proc.wait()
if proc.returncode:
raise Exception(_(f'cannot build {application} with {packer_filename}'))
move(join(tmp_directory, 'image.img'), packer_dst_filename)
move(join(tmp_directory, 'image.sha256'), f'{packer_dst_filename}.sha256')
rmtree(tmp_directory)
print(_(f'Image {packer_dst_filename} created'))