almalinux/pungi
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Merge pull request 'ALBS-334: Make the ability of Pungi to give module_defaults from remote sources' (#4) from ALBS-334 into aln8

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Reviewed-on: #4
This commit is contained in:
soksanichenko 2022-05-04 17:05:45 +00:00
commit cfe6ec3f4e
5 changed files with 169 additions and 56 deletions
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2
pungi.spec
View File

@ -2,7 +2,7 @@
Name: pungi
Version: 4.2.15
Release: 1%{?dist}.cloudlinux
Release: 2%{?dist}.cloudlinux
Summary: Distribution compose tool
License: GPLv2

2
pungi/scripts/create_extra_repo.py
View File

@ -161,7 +161,7 @@ class CreateExtraRepo(PackagesGenerator):
if os.path.exists(self.default_modules_yaml_path):
os.remove(self.default_modules_yaml_path)
def _get_remote_file_content(
def get_remote_file_content(
self,
file_url: AnyStr,
) -> AnyStr:

29
pungi/scripts/create_packages_json.py
View File

@ -16,6 +16,7 @@ import tempfile
from collections import defaultdict
from typing import AnyStr, Dict, List, Optional
import binascii
import createrepo_c as cr
import dnf.subject
import hawkey
@ -25,7 +26,24 @@ import yaml
from createrepo_c import Package
from dataclasses import dataclass
from .gather_modules import is_gzip_file, is_xz_file
def _is_compressed_file(first_two_bytes: bytes, initial_bytes: bytes):
return binascii.hexlify(first_two_bytes) == initial_bytes
def is_gzip_file(first_two_bytes):
return _is_compressed_file(
first_two_bytes=first_two_bytes,
initial_bytes=b'1f8b',
)
def is_xz_file(first_two_bytes):
return _is_compressed_file(
first_two_bytes=first_two_bytes,
initial_bytes=b'fd37',
)
@dataclass
class RepoInfo:
@ -69,7 +87,7 @@ class PackagesGenerator:
return True
@staticmethod
def _get_remote_file_content(file_url: AnyStr) -> AnyStr:
def get_remote_file_content(file_url: AnyStr) -> AnyStr:
"""
Get content from a remote file and write it to a temp file
:param file_url: url of a remote file
@ -194,7 +212,7 @@ class PackagesGenerator:
'repomd.xml',
)
if repo_info.is_remote:
repomd_file_path = self._get_remote_file_content(repomd_file_path)
repomd_file_path = self.get_remote_file_content(repomd_file_path)
else:
repomd_file_path = repomd_file_path
repomd_object = self._parse_repomd(repomd_file_path)
@ -232,9 +250,8 @@ class PackagesGenerator:
repomd_record.location_href,
)
if repo_info.is_remote:
repomd_record_file_path = self._get_remote_file_content(
repomd_record_file_path,
)
repomd_record_file_path = self.get_remote_file_content(
repomd_record_file_path)
if repomd_record.type == 'modules':
modules_data = self._parse_modules_file(
repomd_record_file_path,

171
pungi/scripts/gather_modules.py
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@ -1,72 +1,132 @@
import binascii
import gzip
import lzma
import os
from argparse import ArgumentParser, FileType
from io import BytesIO
from pathlib import Path
from typing import List, AnyStr
from typing import List, AnyStr, Iterable, Union, Optional
import logging
from urllib.parse import urljoin
import yaml
import createrepo_c as cr
from typing.io import BinaryIO
from .create_packages_json import PackagesGenerator, is_gzip_file, is_xz_file
EMPTY_FILE = '.empty'
def _is_compressed_file(first_two_bytes: bytes, initial_bytes: bytes):
return binascii.hexlify(first_two_bytes) == initial_bytes
def read_modules_yaml(modules_yaml_path: Union[str, Path]) -> BytesIO:
with open(modules_yaml_path, 'rb') as fp:
return BytesIO(fp.read())
def is_gzip_file(first_two_bytes):
return _is_compressed_file(
first_two_bytes=first_two_bytes,
initial_bytes=b'1f8b',
)
def is_xz_file(first_two_bytes):
return _is_compressed_file(
first_two_bytes=first_two_bytes,
initial_bytes=b'fd37',
)
def grep_list_of_modules_yaml_gz(repo_path: AnyStr) -> List[BytesIO]:
def grep_list_of_modules_yaml(repos_path: AnyStr) -> Iterable[BytesIO]:
"""
Find all of valid *modules.yaml.gz in repos
:param repo_path: path to a directory which contains repodirs
:return: list of content from *modules.yaml.gz
:param repos_path: path to a directory which contains repo dirs
:return: iterable object of content from *modules.yaml.*
"""
result = []
for path in Path(repo_path).rglob('repomd.xml'):
repo_dir_path = Path(path.parent).parent
repomd_obj = cr.Repomd(str(path))
return (
read_modules_yaml_from_specific_repo(repo_path=path.parent)
for path in Path(repos_path).rglob('repodata')
)
def _is_remote(path: str):
return any(str(path).startswith(protocol)
for protocol in ('http', 'https'))
def read_modules_yaml_from_specific_repo(
repo_path: Union[str, Path]
) -> Optional[BytesIO]:
"""
Read modules_yaml from a specific repo (remote or local)
:param repo_path: path/url to a specific repo
(final dir should contain dir `repodata`)
:return: iterable object of content from *modules.yaml.*
"""
if _is_remote(repo_path):
repomd_url = urljoin(
repo_path + '/',
'repodata/repomd.xml',
)
repomd_file_path = PackagesGenerator.get_remote_file_content(
file_url=repomd_url
)
else:
repomd_file_path = os.path.join(
repo_path,
'repodata/repomd.xml',
)
repomd_obj = cr.Repomd(str(repomd_file_path))
for record in repomd_obj.records:
if record.type != 'modules':
continue
with open(os.path.join(
repo_dir_path,
else:
if _is_remote(repo_path):
modules_yaml_url = urljoin(
repo_path + '/',
record.location_href,
), 'rb') as fp:
result.append(
BytesIO(fp.read())
)
return result
modules_yaml_path = PackagesGenerator.get_remote_file_content(
file_url=modules_yaml_url
)
else:
modules_yaml_path = os.path.join(
repo_path,
record.location_href,
)
return read_modules_yaml(modules_yaml_path=modules_yaml_path)
else:
return None
def collect_modules(modules_paths: List[BinaryIO], target_dir: str):
def _should_grep_defaults(
document_type: str,
grep_only_modules_data: bool = False,
grep_only_modules_defaults_data: bool = False,
) -> bool:
xor_flag = grep_only_modules_data == grep_only_modules_defaults_data
if document_type == 'modulemd' and (xor_flag or grep_only_modules_data):
return True
return False
def _should_grep_modules(
document_type: str,
grep_only_modules_data: bool = False,
grep_only_modules_defaults_data: bool = False,
) -> bool:
xor_flag = grep_only_modules_data == grep_only_modules_defaults_data
if document_type == 'modulemd-defaults' and \
(xor_flag or grep_only_modules_defaults_data):
return True
return False
def collect_modules(
modules_paths: List[BinaryIO],
target_dir: str,
grep_only_modules_data: bool = False,
grep_only_modules_defaults_data: bool = False,
):
"""
Read given modules.yaml.gz files and export modules
and modulemd files from it.
Returns:
object:
"""
xor_flag = grep_only_modules_defaults_data is grep_only_modules_data
modules_path = os.path.join(target_dir, 'modules')
module_defaults_path = os.path.join(target_dir, 'module_defaults')
if grep_only_modules_data or xor_flag:
os.makedirs(modules_path, exist_ok=True)
if grep_only_modules_defaults_data or xor_flag:
os.makedirs(module_defaults_path, exist_ok=True)
# Defaults modules can be empty, but pungi detects
# empty folder while copying and raises the exception in this case
@ -80,11 +140,20 @@ def collect_modules(modules_paths: List[BinaryIO], target_dir: str):
data = lzma.decompress(data)
documents = yaml.load_all(data, Loader=yaml.BaseLoader)
for doc in documents:
if doc['document'] == 'modulemd-defaults':
path = None
if _should_grep_modules(
doc['document'],
grep_only_modules_data,
grep_only_modules_defaults_data,
):
name = f"{doc['data']['module']}.yaml"
path = os.path.join(module_defaults_path, name)
logging.info('Found %s module defaults', name)
else:
elif _should_grep_defaults(
doc['document'],
grep_only_modules_data,
grep_only_modules_defaults_data,
):
# pungi.phases.pkgset.sources.source_koji.get_koji_modules
stream = doc['data']['stream'].replace('-', '_')
doc_data = doc['data']
@ -106,13 +175,24 @@ def collect_modules(modules_paths: List[BinaryIO], target_dir: str):
'RPM %s does not have explicit list of artifacts',
name
)
if path is not None:
with open(path, 'w') as f:
yaml.dump(doc, f, default_flow_style=False)
def cli_main():
parser = ArgumentParser()
content_type_group = parser.add_mutually_exclusive_group(required=False)
content_type_group.add_argument(
'--get-only-modules-data',
action='store_true',
help='Parse and get only modules data',
)
content_type_group.add_argument(
'--get-only-modules-defaults-data',
action='store_true',
help='Parse and get only modules_defaults data',
)
path_group = parser.add_mutually_exclusive_group(required=True)
path_group.add_argument(
'-p', '--path',
@ -127,16 +207,33 @@ def cli_main():
default=None,
help='Path to a directory which contains repodirs. E.g. /var/repos'
)
path_group.add_argument(
'-rd', '--repodata-paths',
required=False,
type=str,
nargs='+',
default=[],
help='Paths/urls to the directories with directory `repodata`',
)
parser.add_argument('-t', '--target', required=True)
namespace = parser.parse_args()
if namespace.repo_path is None:
if namespace.repodata_paths:
modules = []
for repodata_path in namespace.repodata_paths:
modules.append(read_modules_yaml_from_specific_repo(
repodata_path,
))
elif namespace.path is not None:
modules = namespace.path
else:
modules = grep_list_of_modules_yaml_gz(namespace.repo_path)
modules = grep_list_of_modules_yaml(namespace.repo_path)
modules = list(filter(lambda i: i is not None, modules))
collect_modules(
modules,
namespace.target,
namespace.get_only_modules_data,
namespace.get_only_modules_defaults_data,
)

7
tests/test_create_packages_json.py
View File

@ -33,7 +33,7 @@ test_repo_info_2 = RepoInfo(
class TestPackagesJson(TestCase):
def test_01__get_remote_file_content(self):
def test_01_get_remote_file_content(self):
"""
Test the getting of content from a remote file
"""
@ -47,9 +47,8 @@ class TestPackagesJson(TestCase):
'pungi.scripts.create_packages_json.tempfile.NamedTemporaryFile',
) as mock_tempfile:
mock_tempfile.return_value.__enter__.return_value.name = 'tmpfile'
file_name = PackagesGenerator._get_remote_file_content(
file_url='fakeurl'
)
file_name = PackagesGenerator.get_remote_file_content(
file_url='fakeurl')
mock_requests_get.assert_called_once_with(url='fakeurl')
mock_tempfile.assert_called_once_with(delete=False)
mock_tempfile.return_value.__enter__().\