forked from importers/git-importer
Split out OBS, ProxySHA256 and Importer
This commit is contained in:
Stephan Kulow
parent
bdc1dc0cc9
commit
e53b030dcf
@ -25,6 +25,7 @@ BINARY = {
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".zst",
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}
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def is_binary_or_large(filename, size):
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"""Decide if is a binary file based on the extension or size"""
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binary_suffix = BINARY
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@ -83,4 +84,3 @@ def is_binary_or_large(filename, size):
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return True
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return False
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592
git-importer.py
592
git-importer.py
@ -1,67 +1,14 @@
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#!/usr/bin/python3
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import argparse
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import errno
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import functools
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import hashlib
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import logging
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import pathlib
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import shutil
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import sys
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import time
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import urllib.parse
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import xml.etree.ElementTree as ET
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from urllib.error import HTTPError
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import osc.core
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import requests
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from request import Request
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from git import Git
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from history import History
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from binary import is_binary_or_large
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# Add a retry wrapper for some of the HTTP actions.
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def retry(func):
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def wrapper(*args, **kwargs):
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retry = 0
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while retry < 5:
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try:
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return func(*args, **kwargs)
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except HTTPError as e:
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if 500 <= e.code <= 599:
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retry += 1
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logging.warning(
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f"HTTPError {e.code} -- Retrying {args[0]} ({retry})"
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)
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# TODO: remove when move to async
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time.sleep(0.5)
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else:
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raise
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except urllib.error.URLError as e:
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if e.reason.errno in (errno.ENETUNREACH, errno.EADDRNOTAVAIL):
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retry += 1
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logging.warning(f"URLError {e} -- Retrying {args[0]} ({retry})")
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time.sleep(0.5)
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else:
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logging.warning(f"URLError {e.errno} uncaught")
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raise
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except OSError as e:
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if e.errno in (errno.ENETUNREACH, errno.EADDRNOTAVAIL): # sporadically hits cloud VMs :(
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retry += 1
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logging.warning(f"OSError {e} -- Retrying {args[0]} ({retry})")
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# TODO: remove when move to async
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time.sleep(0.5)
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else:
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logging.warning(f"OSError {e.errno} uncaught")
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raise
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return wrapper
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osc.core.http_GET = retry(osc.core.http_GET)
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from importer import Importer
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URL_OBS = "https://api.opensuse.org"
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URL_IBS = "https://api.suse.de"
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@ -94,543 +41,6 @@ PROJECTS = [
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]
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def _hash(hash_alg, file_or_path):
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h = hash_alg()
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def __hash(f):
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while chunk := f.read(1024 * 4):
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h.update(chunk)
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if hasattr(file_or_path, "read"):
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__hash(file_or_path)
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else:
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with file_or_path.open("rb") as f:
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__hash(f)
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return h.hexdigest()
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md5 = functools.partial(_hash, hashlib.md5)
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sha256 = functools.partial(_hash, hashlib.sha256)
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def _files_hash(hash_alg, dirpath):
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"""List of (filepath, md5) for a directory"""
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# TODO: do it async or multythread
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files = [f for f in dirpath.iterdir() if f.is_file()]
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return [(f.parts[-1], hash_alg(f)) for f in files]
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files_md5 = functools.partial(_files_hash, md5)
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files_sha256 = functools.partial(_files_hash, sha256)
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class OBS:
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def __init__(self, url=None):
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if url:
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self.change_url(url)
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def change_url(self, url):
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self.url = url
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osc.conf.get_config(override_apiurl=url)
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def _xml(self, url_path, **params):
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url = osc.core.makeurl(self.url, [url_path], params)
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logging.debug(f"GET {url}")
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return ET.parse(osc.core.http_GET(url)).getroot()
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def _meta(self, project, package, **params):
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try:
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root = self._xml(f"source/{project}/{package}/_meta", **params)
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except HTTPError:
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logging.error(f"Package [{project}/{package} {params}] has no meta")
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return None
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return root
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def _history(self, project, package, **params):
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try:
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root = self._xml(f"source/{project}/{package}/_history", **params)
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except HTTPError:
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logging.error(f"Package [{project}/{package} {params}] has no history")
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return None
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return root
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def _link(self, project, package, rev):
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try:
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root = self._xml(f"source/{project}/{package}/_link", rev=rev)
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except HTTPError:
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logging.info("Package has no link")
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return None
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except ET.ParseError:
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logging.error(
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f"Package [{project}/{package} rev={rev}] _link can't be parsed"
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)
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return root
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def _request(self, requestid):
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try:
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root = self._xml(f"request/{requestid}")
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except HTTPError:
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logging.warning(f"Cannot fetch request {requestid}")
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return None
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return root
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def exists(self, project, package):
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root = self._meta(project, package)
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if root is None:
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return False
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return root.get("project") == project
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def devel_project(self, project, package):
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root = self._meta(project, package)
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devel = root.find("devel")
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if devel is None:
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return None
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return devel.get("project")
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def request(self, requestid):
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root = self._request(requestid)
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if root is not None:
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return Request().parse(root)
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def files(self, project, package, revision):
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root = self._xml(f"source/{project}/{package}", rev=revision, expand=1)
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return [
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(e.get("name"), int(e.get("size")), e.get("md5"))
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for e in root.findall("entry")
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]
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def _download(self, project, package, name, revision):
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url = osc.core.makeurl(
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self.url,
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["source", project, package, urllib.parse.quote(name)],
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{"rev": revision, "expand": 1},
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)
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return osc.core.http_GET(url)
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def download(self, project, package, name, revision, dirpath):
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with (dirpath / name).open("wb") as f:
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f.write(self._download(project, package, name, revision).read())
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class ProxySHA256:
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def __init__(self, obs, url=None, enabled=True):
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self.obs = obs
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self.url = url if url else "http://source.dyn.cloud.suse.de"
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self.enabled = enabled
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self.hashes = None
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self.texts = set()
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def load_package(self, package):
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# _project is unreachable for the proxy - due to being a fake package
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if package == "_project":
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self.enabled = False
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self.texts = set(["_config", "_service"])
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self.hashes = dict()
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return
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logging.info("Retrieve all previously defined SHA256")
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response = requests.get(f"http://source.dyn.cloud.suse.de/package/{package}")
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if response.status_code == 200:
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json = response.json()
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self.hashes = json["shas"]
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self.texts = set(json["texts"])
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def get(self, package, name, file_md5):
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key = f"{file_md5}-{name}"
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if self.hashes is None:
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if self.enabled:
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self.load_package(package)
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else:
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self.hashes = {}
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return self.hashes.get(key, None)
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def _proxy_put(self, project, package, name, revision, file_md5, size):
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quoted_name = urllib.parse.quote(name)
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url = f"{self.obs.url}/public/source/{project}/{package}/{quoted_name}?rev={revision}"
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response = requests.put(
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self.url,
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data={
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"hash": file_md5,
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"filename": name,
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"url": url,
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"package": package,
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},
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)
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if response.status_code != 200:
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raise Exception(f"Redirector error on {self.url} for {url}")
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key = (file_md5, name)
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self.hashes[key] = {
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"sha256": response.content.decode("utf-8"),
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"fsize": size,
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}
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return self.hashes[key]
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def _obs_put(self, project, package, name, revision, file_md5, size):
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key = (file_md5, name)
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self.hashes[key] = {
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"sha256": sha256(self.obs._download(project, package, name, revision)),
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"fsize": size,
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}
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return self.hashes[key]
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def put(self, project, package, name, revision, file_md5, size):
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if not self.enabled:
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return self._obs_put(project, package, name, revision, file_md5, size)
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return self._proxy_put(project, package, name, revision, file_md5, size)
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def is_text(self, filename):
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return filename in self.texts
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def get_or_put(self, project, package, name, revision, file_md5, size):
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result = self.get(package, name, file_md5)
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if not result:
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result = self.put(project, package, name, revision, file_md5, size)
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# Sanity check
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if result["fsize"] != size:
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raise Exception(f"Redirector has different size for {name}")
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return result
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class Importer:
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def __init__(self, projects, package, repodir, search_ancestor, rebase_devel):
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# The idea is to create each commit in order, and draw the
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# same graph described by the revisions timeline. For that we
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# need first to fetch all the revisions and sort them
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# linearly, based on the timestamp.
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#
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# After that we recreate the commits, and if one revision is a
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# request that contains a target inside the projects in the
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# "history", we create a merge commit.
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#
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# Optionally, if a flag is set, we will try to find a common
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# "Initial commit" from a reference branch (the first one in
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# "projects", that is safe to assume to be "openSUSE:Factory".
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# This is not always a good idea. For example, in a normal
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# situation the "devel" project history is older than
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# "factory", and we can root the tree on it. But for some
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# other projects we lost partially the "devel" history project
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# (could be moved), and "factory" is not the root.
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self.package = package
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self.search_ancestor = search_ancestor
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self.rebase_devel = rebase_devel
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self.obs = OBS()
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self.git = Git(
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repodir,
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committer="Git OBS Bridge",
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committer_email="obsbridge@suse.de",
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).create()
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self.proxy_sha256 = ProxySHA256(self.obs, enabled=True)
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self.history = History(self.obs, self.package)
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# Add the "devel" project
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(project, branch, api_url) = projects[0]
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assert project == "openSUSE:Factory"
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self.obs.change_url(api_url)
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devel_project = self.obs.devel_project(project, package)
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if devel_project:
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self.projects = [(devel_project, "devel", api_url)] + projects
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else:
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self.projects = projects
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# Associate the branch and api_url information per project
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self.projects_info = {
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project: (branch, api_url) for (project, branch, api_url) in self.projects
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}
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def download(self, revision):
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obs_files = self.obs.files(revision.project, revision.package, revision.srcmd5)
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git_files = {
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(f.name, f.stat().st_size, md5(f))
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for f in self.git.path.iterdir()
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if f.is_file() and f.name not in (".gitattributes")
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}
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# Overwrite ".gitattributes" with the
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self.git.add_default_lfs_gitattributes(force=True)
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# Download each file in OBS if it is not a binary (or large)
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# file
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for (name, size, file_md5) in obs_files:
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# this file creates easily 100k commits and is just useless data :(
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# unfortunately it's stored in the same meta package as the project config
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if revision.package == "_project" and name == "_staging_workflow":
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continue
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# have such files been detected as text mimetype before?
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is_text = self.proxy_sha256.is_text(name)
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if not is_text and is_binary_or_large(name, size):
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file_sha256 = self.proxy_sha256.get_or_put(
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revision.project,
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revision.package,
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name,
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revision.srcmd5,
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file_md5,
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size,
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)
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self.git.add_lfs(name, file_sha256["sha256"], size)
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else:
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if (name, size, file_md5) not in git_files:
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print(f"Download {name}")
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self.obs.download(
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revision.project,
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revision.package,
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name,
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revision.srcmd5,
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self.git.path,
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)
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# Validate the MD5 of the downloaded file
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if md5(self.git.path / name) != file_md5:
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raise Exception(f"Download error in {name}")
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self.git.add(name)
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# Remove extra files
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obs_names = {n for (n, _, _) in obs_files}
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git_names = {n for (n, _, _) in git_files}
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for name in git_names - obs_names:
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print(f"Remove {name}")
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self.git.remove(name)
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def import_all_revisions(self, gc):
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# Fetch all the requests and sort them. Ideally we should
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# build the graph here, to avoid new commits before the merge.
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# For now we will sort them and invalidate the commits if
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# "rebase_devel" is set.
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self.history.fetch_all_revisions(self.projects)
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revisions = self.history.sort_all_revisions()
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logging.debug(f"Selected import order for {self.package}")
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for revision in revisions:
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logging.debug(revision)
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gc_cnt = gc
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for revision in revisions:
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gc_cnt -= 1
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if gc_cnt <= 0 and gc:
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self.git.gc()
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gc_cnt = gc
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self.import_revision(revision)
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def import_new_revision_with_request(self, revision, request):
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"""Create a new branch as a result of a merge"""
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submitted_revision = self.history.find_revision(
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request.source, request.revisionid, revision.time
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)
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if not submitted_revision:
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logging.warning(f"Request {request} does not connect to a known revision")
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return False
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if not submitted_revision.commit:
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# If the revision appointed by the request is not part of
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# the git history, we can have an ordering problem. One
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# example is "premake4".
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self.import_revision(submitted_revision)
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assert submitted_revision.commit is not None
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project = revision.project
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branch, _ = self.projects_info[project]
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# TODO: add an empty commit marking the acceptenace of the request (see discussion in PR 2858)
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self.git.branch(branch, submitted_revision.commit)
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self.git.clean()
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self.git.checkout(branch)
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logging.info(f"Create new branch based on {submitted_revision.commit}")
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revision.commit = submitted_revision.commit
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def _rebase_branch_history(self, project, revision):
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branch, _ = self.projects_info[project]
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history = self.history[project]
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revision_index = history.index(revision)
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for index in range(revision_index + 1, len(history)):
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revision = history[index]
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# We are done when we have one non-commited revision
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if not revision.commit:
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return
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logging.info(f"Rebasing {revision} from {branch}")
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revision.commit = None
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self.import_revision(revision)
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def import_revision_with_request(self, revision, request):
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"""Import a single revision via a merge"""
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submitted_revision = self.history.find_revision(
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request.source, request.revisionid, revision.time
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)
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if not submitted_revision:
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logging.warning(f"Request {request} does not connect to a known revision")
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return False
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assert submitted_revision.commit is not None
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# TODO: detect a revision, case in point
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# Base:System/bash/284 -> rq683701 -> accept O:F/151
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# -> autocommit Base:System/bash/285
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# Revert lead to openSUSE:Factory/bash/152
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# Base:System/286 restored the reverted code in devel project
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# rq684575 was created and accepted as O:F/153
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# But the 284-285 and the 285-286 changeset is seen as empty
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# as the revert was never in Base:System, so the
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# submitted_revision of 684575 has no commit
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if submitted_revision.commit == "EMPTY":
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logging.warning("Empty commit submitted?!")
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return False
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message = (
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f"Accepting request {revision.requestid}: {revision.comment}\n\n{revision}"
|
||||
)
|
||||
commit = self.git.merge(
|
||||
# TODO: revision.userid or request.creator?
|
||||
f"OBS User {revision.userid}",
|
||||
"null@suse.de",
|
||||
revision.time,
|
||||
message,
|
||||
submitted_revision.commit,
|
||||
)
|
||||
|
||||
if commit == "EMPTY":
|
||||
logging.warning("Empty merge. Ignoring the revision and the request")
|
||||
self.git.merge_abort()
|
||||
revision.commit = commit
|
||||
return False
|
||||
|
||||
if commit == "CONFLICT":
|
||||
logging.info("Merge conflict. Downloading revision")
|
||||
self.download(revision)
|
||||
message = f"CONFLICT {message}"
|
||||
commit = self.git.merge(
|
||||
f"OBS User {revision.userid}",
|
||||
"null@suse.de",
|
||||
revision.time,
|
||||
message,
|
||||
submitted_revision.commit,
|
||||
merged=True,
|
||||
)
|
||||
|
||||
assert commit and commit != "CONFLICT"
|
||||
logging.info(f"Merge with {submitted_revision.commit} into {commit}")
|
||||
revision.commit = commit
|
||||
|
||||
# TODO: There are more checks to do, like for example, the
|
||||
# last commit into the non-devel branch should be a merge from
|
||||
# the devel branch
|
||||
if self.rebase_devel:
|
||||
branch, _ = self.projects_info.get(request.source, (None, None))
|
||||
if branch == "devel":
|
||||
self.git.repo.references[f"refs/heads/{branch}"].set_target(commit)
|
||||
self._rebase_branch_history(request.source, submitted_revision)
|
||||
|
||||
return True
|
||||
|
||||
def matching_request(self, revision):
|
||||
request = self.obs.request(revision.requestid)
|
||||
if not request:
|
||||
return None
|
||||
|
||||
# to be handled by the caller
|
||||
if request.type() != "submit":
|
||||
return request
|
||||
|
||||
if request.source not in self.projects_info:
|
||||
logging.info("Request from a non exported project")
|
||||
return None
|
||||
|
||||
if request.target != revision.project:
|
||||
# This seems to happen when the devel project gets
|
||||
# reinitialized (for example, SR#943593 in 7zip, or
|
||||
# SR#437901 in ColorFull)
|
||||
logging.info("Request target different from current project")
|
||||
return None
|
||||
|
||||
if request.source == request.target:
|
||||
# this is not a merge, but a different way to do a
|
||||
# contribution to the (devel) project - see bindfs's rev 1
|
||||
logging.info("Request within the same project")
|
||||
return None
|
||||
|
||||
return request
|
||||
|
||||
def import_revision(self, revision):
|
||||
"""Import a single revision into git"""
|
||||
project = revision.project
|
||||
branch, api_url = self.projects_info[project]
|
||||
|
||||
logging.info(f"Importing [{revision}] to {branch}")
|
||||
|
||||
self.obs.change_url(api_url)
|
||||
|
||||
# Populate linkrev and replace srcmd5 from the linked
|
||||
# revision. If the expansion fails, the revision will be ignored
|
||||
# and not imported.
|
||||
if not revision.check_expanded():
|
||||
logging.warning(f"Broken revision")
|
||||
revision.ignored = True
|
||||
return
|
||||
|
||||
# When doing a SR, we see also a revision in the origin
|
||||
# project with the outgoing request, but without changes in
|
||||
# the project. We can ignore them.
|
||||
#
|
||||
# If there is a request ID, it will be filtered out later,
|
||||
# when the target project is different from itself.
|
||||
if revision.userid == "autobuild" and not revision.requestid:
|
||||
logging.info("Ignoring autocommit")
|
||||
revision.ignored = True
|
||||
return
|
||||
|
||||
if revision.userid == "buildservice-autocommit":
|
||||
logging.info("Ignoring autocommit")
|
||||
revision.ignored = True
|
||||
return
|
||||
|
||||
# Create the reference if the branch is new. If so return
|
||||
# True.
|
||||
new_branch = self.git.checkout(branch)
|
||||
|
||||
if revision.requestid:
|
||||
request = self.matching_request(revision)
|
||||
if request:
|
||||
if request.type() == "delete":
|
||||
# TODO: after this comes a restore, this should be collapsed
|
||||
# before even hitting git
|
||||
logging.info("Delete request ignored")
|
||||
revision.ignored = True
|
||||
return
|
||||
|
||||
logging.debug(f"Found matching request: #{revision.project} #{request}")
|
||||
if new_branch:
|
||||
self.import_new_revision_with_request(revision, request)
|
||||
return
|
||||
if self.import_revision_with_request(revision, request):
|
||||
return
|
||||
|
||||
# Import revision as a single commit (without merging)
|
||||
self.download(revision)
|
||||
|
||||
if new_branch or self.git.is_dirty():
|
||||
commit = self.git.commit(
|
||||
f"OBS User {revision.userid}",
|
||||
"null@suse.de",
|
||||
revision.time,
|
||||
# TODO: Normalize better the commit message
|
||||
f"{revision.comment}\n\n{revision}",
|
||||
# Create an empty commit only if is a new branch
|
||||
allow_empty=new_branch,
|
||||
)
|
||||
revision.commit = commit
|
||||
logging.info(f"Commit {commit}")
|
||||
else:
|
||||
logging.info("Skip empty commit")
|
||||
revision.ignored = True
|
||||
|
||||
|
||||
def main():
|
||||
parser = argparse.ArgumentParser(description="OBS history importer into git")
|
||||
parser.add_argument("package", help="OBS package name")
|
||||
|
||||
1
git.py
1
git.py
@ -8,6 +8,7 @@ from binary import BINARY
|
||||
|
||||
LFS_SUFFIX = "filter=lfs diff=lfs merge=lfs -text"
|
||||
|
||||
|
||||
class Git:
|
||||
"""Local git repository"""
|
||||
|
||||
|
||||
354
importer.py
Normal file
354
importer.py
Normal file
@ -0,0 +1,354 @@
|
||||
import functools
|
||||
import logging
|
||||
|
||||
from git import Git
|
||||
from history import History
|
||||
from binary import is_binary_or_large
|
||||
from proxy_sha256 import ProxySHA256, md5, sha256
|
||||
from obs import OBS
|
||||
|
||||
|
||||
def _files_hash(hash_alg, dirpath):
|
||||
"""List of (filepath, md5) for a directory"""
|
||||
# TODO: do it async or multythread
|
||||
files = [f for f in dirpath.iterdir() if f.is_file()]
|
||||
return [(f.parts[-1], hash_alg(f)) for f in files]
|
||||
|
||||
|
||||
files_md5 = functools.partial(_files_hash, md5)
|
||||
files_sha256 = functools.partial(_files_hash, sha256)
|
||||
|
||||
|
||||
class Importer:
|
||||
def __init__(self, projects, package, repodir, search_ancestor, rebase_devel):
|
||||
# The idea is to create each commit in order, and draw the
|
||||
# same graph described by the revisions timeline. For that we
|
||||
# need first to fetch all the revisions and sort them
|
||||
# linearly, based on the timestamp.
|
||||
#
|
||||
# After that we recreate the commits, and if one revision is a
|
||||
# request that contains a target inside the projects in the
|
||||
# "history", we create a merge commit.
|
||||
#
|
||||
# Optionally, if a flag is set, we will try to find a common
|
||||
# "Initial commit" from a reference branch (the first one in
|
||||
# "projects", that is safe to assume to be "openSUSE:Factory".
|
||||
# This is not always a good idea. For example, in a normal
|
||||
# situation the "devel" project history is older than
|
||||
# "factory", and we can root the tree on it. But for some
|
||||
# other projects we lost partially the "devel" history project
|
||||
# (could be moved), and "factory" is not the root.
|
||||
|
||||
self.package = package
|
||||
self.search_ancestor = search_ancestor
|
||||
self.rebase_devel = rebase_devel
|
||||
|
||||
self.obs = OBS()
|
||||
self.git = Git(
|
||||
repodir,
|
||||
committer="Git OBS Bridge",
|
||||
committer_email="obsbridge@suse.de",
|
||||
).create()
|
||||
self.proxy_sha256 = ProxySHA256(self.obs, enabled=True)
|
||||
|
||||
self.history = History(self.obs, self.package)
|
||||
|
||||
# Add the "devel" project
|
||||
(project, branch, api_url) = projects[0]
|
||||
assert project == "openSUSE:Factory"
|
||||
self.obs.change_url(api_url)
|
||||
devel_project = self.obs.devel_project(project, package)
|
||||
if devel_project:
|
||||
self.projects = [(devel_project, "devel", api_url)] + projects
|
||||
else:
|
||||
self.projects = projects
|
||||
|
||||
# Associate the branch and api_url information per project
|
||||
self.projects_info = {
|
||||
project: (branch, api_url) for (project, branch, api_url) in self.projects
|
||||
}
|
||||
|
||||
def download(self, revision):
|
||||
obs_files = self.obs.files(revision.project, revision.package, revision.srcmd5)
|
||||
git_files = {
|
||||
(f.name, f.stat().st_size, md5(f))
|
||||
for f in self.git.path.iterdir()
|
||||
if f.is_file() and f.name not in (".gitattributes")
|
||||
}
|
||||
|
||||
# Overwrite ".gitattributes" with the
|
||||
self.git.add_default_lfs_gitattributes(force=True)
|
||||
|
||||
# Download each file in OBS if it is not a binary (or large)
|
||||
# file
|
||||
for (name, size, file_md5) in obs_files:
|
||||
# this file creates easily 100k commits and is just useless data :(
|
||||
# unfortunately it's stored in the same meta package as the project config
|
||||
if revision.package == "_project" and name == "_staging_workflow":
|
||||
continue
|
||||
# have such files been detected as text mimetype before?
|
||||
is_text = self.proxy_sha256.is_text(name)
|
||||
if not is_text and is_binary_or_large(name, size):
|
||||
file_sha256 = self.proxy_sha256.get_or_put(
|
||||
revision.project,
|
||||
revision.package,
|
||||
name,
|
||||
revision.srcmd5,
|
||||
file_md5,
|
||||
size,
|
||||
)
|
||||
self.git.add_lfs(name, file_sha256["sha256"], size)
|
||||
else:
|
||||
if (name, size, file_md5) not in git_files:
|
||||
print(f"Download {name}")
|
||||
self.obs.download(
|
||||
revision.project,
|
||||
revision.package,
|
||||
name,
|
||||
revision.srcmd5,
|
||||
self.git.path,
|
||||
)
|
||||
# Validate the MD5 of the downloaded file
|
||||
if md5(self.git.path / name) != file_md5:
|
||||
raise Exception(f"Download error in {name}")
|
||||
self.git.add(name)
|
||||
|
||||
# Remove extra files
|
||||
obs_names = {n for (n, _, _) in obs_files}
|
||||
git_names = {n for (n, _, _) in git_files}
|
||||
for name in git_names - obs_names:
|
||||
print(f"Remove {name}")
|
||||
self.git.remove(name)
|
||||
|
||||
def import_all_revisions(self, gc):
|
||||
# Fetch all the requests and sort them. Ideally we should
|
||||
# build the graph here, to avoid new commits before the merge.
|
||||
# For now we will sort them and invalidate the commits if
|
||||
# "rebase_devel" is set.
|
||||
self.history.fetch_all_revisions(self.projects)
|
||||
revisions = self.history.sort_all_revisions()
|
||||
|
||||
logging.debug(f"Selected import order for {self.package}")
|
||||
for revision in revisions:
|
||||
logging.debug(revision)
|
||||
|
||||
gc_cnt = gc
|
||||
for revision in revisions:
|
||||
gc_cnt -= 1
|
||||
if gc_cnt <= 0 and gc:
|
||||
self.git.gc()
|
||||
gc_cnt = gc
|
||||
self.import_revision(revision)
|
||||
|
||||
def import_new_revision_with_request(self, revision, request):
|
||||
"""Create a new branch as a result of a merge"""
|
||||
|
||||
submitted_revision = self.history.find_revision(
|
||||
request.source, request.revisionid, revision.time
|
||||
)
|
||||
if not submitted_revision:
|
||||
logging.warning(f"Request {request} does not connect to a known revision")
|
||||
return False
|
||||
|
||||
if not submitted_revision.commit:
|
||||
# If the revision appointed by the request is not part of
|
||||
# the git history, we can have an ordering problem. One
|
||||
# example is "premake4".
|
||||
self.import_revision(submitted_revision)
|
||||
|
||||
assert submitted_revision.commit is not None
|
||||
|
||||
project = revision.project
|
||||
branch, _ = self.projects_info[project]
|
||||
|
||||
# TODO: add an empty commit marking the acceptenace of the request (see discussion in PR 2858)
|
||||
self.git.branch(branch, submitted_revision.commit)
|
||||
self.git.clean()
|
||||
self.git.checkout(branch)
|
||||
|
||||
logging.info(f"Create new branch based on {submitted_revision.commit}")
|
||||
revision.commit = submitted_revision.commit
|
||||
|
||||
def _rebase_branch_history(self, project, revision):
|
||||
branch, _ = self.projects_info[project]
|
||||
history = self.history[project]
|
||||
revision_index = history.index(revision)
|
||||
for index in range(revision_index + 1, len(history)):
|
||||
revision = history[index]
|
||||
# We are done when we have one non-commited revision
|
||||
if not revision.commit:
|
||||
return
|
||||
logging.info(f"Rebasing {revision} from {branch}")
|
||||
revision.commit = None
|
||||
self.import_revision(revision)
|
||||
|
||||
def import_revision_with_request(self, revision, request):
|
||||
"""Import a single revision via a merge"""
|
||||
|
||||
submitted_revision = self.history.find_revision(
|
||||
request.source, request.revisionid, revision.time
|
||||
)
|
||||
if not submitted_revision:
|
||||
logging.warning(f"Request {request} does not connect to a known revision")
|
||||
return False
|
||||
assert submitted_revision.commit is not None
|
||||
|
||||
# TODO: detect a revision, case in point
|
||||
# Base:System/bash/284 -> rq683701 -> accept O:F/151
|
||||
# -> autocommit Base:System/bash/285
|
||||
# Revert lead to openSUSE:Factory/bash/152
|
||||
# Base:System/286 restored the reverted code in devel project
|
||||
# rq684575 was created and accepted as O:F/153
|
||||
# But the 284-285 and the 285-286 changeset is seen as empty
|
||||
# as the revert was never in Base:System, so the
|
||||
# submitted_revision of 684575 has no commit
|
||||
if submitted_revision.commit == "EMPTY":
|
||||
logging.warning("Empty commit submitted?!")
|
||||
return False
|
||||
|
||||
message = (
|
||||
f"Accepting request {revision.requestid}: {revision.comment}\n\n{revision}"
|
||||
)
|
||||
commit = self.git.merge(
|
||||
# TODO: revision.userid or request.creator?
|
||||
f"OBS User {revision.userid}",
|
||||
"null@suse.de",
|
||||
revision.time,
|
||||
message,
|
||||
submitted_revision.commit,
|
||||
)
|
||||
|
||||
if commit == "EMPTY":
|
||||
logging.warning("Empty merge. Ignoring the revision and the request")
|
||||
self.git.merge_abort()
|
||||
revision.commit = commit
|
||||
return False
|
||||
|
||||
if commit == "CONFLICT":
|
||||
logging.info("Merge conflict. Downloading revision")
|
||||
self.download(revision)
|
||||
message = f"CONFLICT {message}"
|
||||
commit = self.git.merge(
|
||||
f"OBS User {revision.userid}",
|
||||
"null@suse.de",
|
||||
revision.time,
|
||||
message,
|
||||
submitted_revision.commit,
|
||||
merged=True,
|
||||
)
|
||||
|
||||
assert commit and commit != "CONFLICT"
|
||||
logging.info(f"Merge with {submitted_revision.commit} into {commit}")
|
||||
revision.commit = commit
|
||||
|
||||
# TODO: There are more checks to do, like for example, the
|
||||
# last commit into the non-devel branch should be a merge from
|
||||
# the devel branch
|
||||
if self.rebase_devel:
|
||||
branch, _ = self.projects_info.get(request.source, (None, None))
|
||||
if branch == "devel":
|
||||
self.git.repo.references[f"refs/heads/{branch}"].set_target(commit)
|
||||
self._rebase_branch_history(request.source, submitted_revision)
|
||||
|
||||
return True
|
||||
|
||||
def matching_request(self, revision):
|
||||
request = self.obs.request(revision.requestid)
|
||||
if not request:
|
||||
return None
|
||||
|
||||
# to be handled by the caller
|
||||
if request.type() != "submit":
|
||||
return request
|
||||
|
||||
if request.source not in self.projects_info:
|
||||
logging.info("Request from a non exported project")
|
||||
return None
|
||||
|
||||
if request.target != revision.project:
|
||||
# This seems to happen when the devel project gets
|
||||
# reinitialized (for example, SR#943593 in 7zip, or
|
||||
# SR#437901 in ColorFull)
|
||||
logging.info("Request target different from current project")
|
||||
return None
|
||||
|
||||
if request.source == request.target:
|
||||
# this is not a merge, but a different way to do a
|
||||
# contribution to the (devel) project - see bindfs's rev 1
|
||||
logging.info("Request within the same project")
|
||||
return None
|
||||
|
||||
return request
|
||||
|
||||
def import_revision(self, revision):
|
||||
"""Import a single revision into git"""
|
||||
project = revision.project
|
||||
branch, api_url = self.projects_info[project]
|
||||
|
||||
logging.info(f"Importing [{revision}] to {branch}")
|
||||
|
||||
self.obs.change_url(api_url)
|
||||
|
||||
# Populate linkrev and replace srcmd5 from the linked
|
||||
# revision. If the expansion fails, the revision will be ignored
|
||||
# and not imported.
|
||||
if not revision.check_expanded():
|
||||
logging.warning(f"Broken revision")
|
||||
revision.ignored = True
|
||||
return
|
||||
|
||||
# When doing a SR, we see also a revision in the origin
|
||||
# project with the outgoing request, but without changes in
|
||||
# the project. We can ignore them.
|
||||
#
|
||||
# If there is a request ID, it will be filtered out later,
|
||||
# when the target project is different from itself.
|
||||
if revision.userid == "autobuild" and not revision.requestid:
|
||||
logging.info("Ignoring autocommit")
|
||||
revision.ignored = True
|
||||
return
|
||||
|
||||
if revision.userid == "buildservice-autocommit":
|
||||
logging.info("Ignoring autocommit")
|
||||
revision.ignored = True
|
||||
return
|
||||
|
||||
# Create the reference if the branch is new. If so return
|
||||
# True.
|
||||
new_branch = self.git.checkout(branch)
|
||||
|
||||
if revision.requestid:
|
||||
request = self.matching_request(revision)
|
||||
if request:
|
||||
if request.type() == "delete":
|
||||
# TODO: after this comes a restore, this should be collapsed
|
||||
# before even hitting git
|
||||
logging.info("Delete request ignored")
|
||||
revision.ignored = True
|
||||
return
|
||||
|
||||
logging.debug(f"Found matching request: #{revision.project} #{request}")
|
||||
if new_branch:
|
||||
self.import_new_revision_with_request(revision, request)
|
||||
return
|
||||
if self.import_revision_with_request(revision, request):
|
||||
return
|
||||
|
||||
# Import revision as a single commit (without merging)
|
||||
self.download(revision)
|
||||
|
||||
if new_branch or self.git.is_dirty():
|
||||
commit = self.git.commit(
|
||||
f"OBS User {revision.userid}",
|
||||
"null@suse.de",
|
||||
revision.time,
|
||||
# TODO: Normalize better the commit message
|
||||
f"{revision.comment}\n\n{revision}",
|
||||
# Create an empty commit only if is a new branch
|
||||
allow_empty=new_branch,
|
||||
)
|
||||
revision.commit = commit
|
||||
logging.info(f"Commit {commit}")
|
||||
else:
|
||||
logging.info("Skip empty commit")
|
||||
revision.ignored = True
|
||||
140
obs.py
Normal file
140
obs.py
Normal file
@ -0,0 +1,140 @@
|
||||
import osc.core
|
||||
import xml.etree.ElementTree as ET
|
||||
import logging
|
||||
import urllib.parse
|
||||
from urllib.error import HTTPError
|
||||
import time
|
||||
import errno
|
||||
|
||||
from request import Request
|
||||
|
||||
# Add a retry wrapper for some of the HTTP actions.
|
||||
def retry(func):
|
||||
def wrapper(*args, **kwargs):
|
||||
retry = 0
|
||||
while retry < 5:
|
||||
try:
|
||||
return func(*args, **kwargs)
|
||||
except HTTPError as e:
|
||||
if 500 <= e.code <= 599:
|
||||
retry += 1
|
||||
logging.warning(
|
||||
f"HTTPError {e.code} -- Retrying {args[0]} ({retry})"
|
||||
)
|
||||
# TODO: remove when move to async
|
||||
time.sleep(0.5)
|
||||
else:
|
||||
raise
|
||||
except urllib.error.URLError as e:
|
||||
if e.reason.errno in (errno.ENETUNREACH, errno.EADDRNOTAVAIL):
|
||||
retry += 1
|
||||
logging.warning(f"URLError {e} -- Retrying {args[0]} ({retry})")
|
||||
time.sleep(0.5)
|
||||
else:
|
||||
logging.warning(f"URLError {e.errno} uncaught")
|
||||
raise
|
||||
except OSError as e:
|
||||
if e.errno in (
|
||||
errno.ENETUNREACH,
|
||||
errno.EADDRNOTAVAIL,
|
||||
): # sporadically hits cloud VMs :(
|
||||
retry += 1
|
||||
logging.warning(f"OSError {e} -- Retrying {args[0]} ({retry})")
|
||||
# TODO: remove when move to async
|
||||
time.sleep(0.5)
|
||||
else:
|
||||
logging.warning(f"OSError {e.errno} uncaught")
|
||||
raise
|
||||
|
||||
return wrapper
|
||||
|
||||
|
||||
osc.core.http_GET = retry(osc.core.http_GET)
|
||||
|
||||
|
||||
class OBS:
|
||||
def __init__(self, url=None):
|
||||
if url:
|
||||
self.change_url(url)
|
||||
|
||||
def change_url(self, url):
|
||||
self.url = url
|
||||
osc.conf.get_config(override_apiurl=url)
|
||||
|
||||
def _xml(self, url_path, **params):
|
||||
url = osc.core.makeurl(self.url, [url_path], params)
|
||||
logging.debug(f"GET {url}")
|
||||
return ET.parse(osc.core.http_GET(url)).getroot()
|
||||
|
||||
def _meta(self, project, package, **params):
|
||||
try:
|
||||
root = self._xml(f"source/{project}/{package}/_meta", **params)
|
||||
except HTTPError:
|
||||
logging.error(f"Package [{project}/{package} {params}] has no meta")
|
||||
return None
|
||||
return root
|
||||
|
||||
def _history(self, project, package, **params):
|
||||
try:
|
||||
root = self._xml(f"source/{project}/{package}/_history", **params)
|
||||
except HTTPError:
|
||||
logging.error(f"Package [{project}/{package} {params}] has no history")
|
||||
return None
|
||||
return root
|
||||
|
||||
def _link(self, project, package, rev):
|
||||
try:
|
||||
root = self._xml(f"source/{project}/{package}/_link", rev=rev)
|
||||
except HTTPError:
|
||||
logging.info("Package has no link")
|
||||
return None
|
||||
except ET.ParseError:
|
||||
logging.error(
|
||||
f"Package [{project}/{package} rev={rev}] _link can't be parsed"
|
||||
)
|
||||
return root
|
||||
|
||||
def _request(self, requestid):
|
||||
try:
|
||||
root = self._xml(f"request/{requestid}")
|
||||
except HTTPError:
|
||||
logging.warning(f"Cannot fetch request {requestid}")
|
||||
return None
|
||||
return root
|
||||
|
||||
def exists(self, project, package):
|
||||
root = self._meta(project, package)
|
||||
if root is None:
|
||||
return False
|
||||
return root.get("project") == project
|
||||
|
||||
def devel_project(self, project, package):
|
||||
root = self._meta(project, package)
|
||||
devel = root.find("devel")
|
||||
if devel is None:
|
||||
return None
|
||||
return devel.get("project")
|
||||
|
||||
def request(self, requestid):
|
||||
root = self._request(requestid)
|
||||
if root is not None:
|
||||
return Request().parse(root)
|
||||
|
||||
def files(self, project, package, revision):
|
||||
root = self._xml(f"source/{project}/{package}", rev=revision, expand=1)
|
||||
return [
|
||||
(e.get("name"), int(e.get("size")), e.get("md5"))
|
||||
for e in root.findall("entry")
|
||||
]
|
||||
|
||||
def _download(self, project, package, name, revision):
|
||||
url = osc.core.makeurl(
|
||||
self.url,
|
||||
["source", project, package, urllib.parse.quote(name)],
|
||||
{"rev": revision, "expand": 1},
|
||||
)
|
||||
return osc.core.http_GET(url)
|
||||
|
||||
def download(self, project, package, name, revision, dirpath):
|
||||
with (dirpath / name).open("wb") as f:
|
||||
f.write(self._download(project, package, name, revision).read())
|
||||
105
proxy_sha256.py
Normal file
105
proxy_sha256.py
Normal file
@ -0,0 +1,105 @@
|
||||
import logging
|
||||
import requests
|
||||
import urllib
|
||||
import functools
|
||||
import hashlib
|
||||
|
||||
|
||||
def _hash(hash_alg, file_or_path):
|
||||
h = hash_alg()
|
||||
|
||||
def __hash(f):
|
||||
while chunk := f.read(1024 * 4):
|
||||
h.update(chunk)
|
||||
|
||||
if hasattr(file_or_path, "read"):
|
||||
__hash(file_or_path)
|
||||
else:
|
||||
with file_or_path.open("rb") as f:
|
||||
__hash(f)
|
||||
return h.hexdigest()
|
||||
|
||||
|
||||
md5 = functools.partial(_hash, hashlib.md5)
|
||||
sha256 = functools.partial(_hash, hashlib.sha256)
|
||||
|
||||
|
||||
class ProxySHA256:
|
||||
def __init__(self, obs, url=None, enabled=True):
|
||||
self.obs = obs
|
||||
self.url = url if url else "http://source.dyn.cloud.suse.de"
|
||||
self.enabled = enabled
|
||||
self.hashes = None
|
||||
self.texts = set()
|
||||
|
||||
def load_package(self, package):
|
||||
# _project is unreachable for the proxy - due to being a fake package
|
||||
if package == "_project":
|
||||
self.enabled = False
|
||||
self.texts = set(["_config", "_service"])
|
||||
self.hashes = dict()
|
||||
return
|
||||
logging.info("Retrieve all previously defined SHA256")
|
||||
response = requests.get(f"http://source.dyn.cloud.suse.de/package/{package}")
|
||||
if response.status_code == 200:
|
||||
json = response.json()
|
||||
self.hashes = json["shas"]
|
||||
self.texts = set(json["texts"])
|
||||
|
||||
def get(self, package, name, file_md5):
|
||||
key = f"{file_md5}-{name}"
|
||||
if self.hashes is None:
|
||||
if self.enabled:
|
||||
self.load_package(package)
|
||||
else:
|
||||
self.hashes = {}
|
||||
return self.hashes.get(key, None)
|
||||
|
||||
def _proxy_put(self, project, package, name, revision, file_md5, size):
|
||||
quoted_name = urllib.parse.quote(name)
|
||||
url = f"{self.obs.url}/public/source/{project}/{package}/{quoted_name}?rev={revision}"
|
||||
response = requests.put(
|
||||
self.url,
|
||||
data={
|
||||
"hash": file_md5,
|
||||
"filename": name,
|
||||
"url": url,
|
||||
"package": package,
|
||||
},
|
||||
)
|
||||
if response.status_code != 200:
|
||||
raise Exception(f"Redirector error on {self.url} for {url}")
|
||||
|
||||
key = (file_md5, name)
|
||||
self.hashes[key] = {
|
||||
"sha256": response.content.decode("utf-8"),
|
||||
"fsize": size,
|
||||
}
|
||||
return self.hashes[key]
|
||||
|
||||
def _obs_put(self, project, package, name, revision, file_md5, size):
|
||||
key = (file_md5, name)
|
||||
self.hashes[key] = {
|
||||
"sha256": sha256(self.obs._download(project, package, name, revision)),
|
||||
"fsize": size,
|
||||
}
|
||||
return self.hashes[key]
|
||||
|
||||
def put(self, project, package, name, revision, file_md5, size):
|
||||
if not self.enabled:
|
||||
return self._obs_put(project, package, name, revision, file_md5, size)
|
||||
return self._proxy_put(project, package, name, revision, file_md5, size)
|
||||
|
||||
def is_text(self, filename):
|
||||
return filename in self.texts
|
||||
|
||||
def get_or_put(self, project, package, name, revision, file_md5, size):
|
||||
result = self.get(package, name, file_md5)
|
||||
if not result:
|
||||
result = self.put(project, package, name, revision, file_md5, size)
|
||||
|
||||
# Sanity check
|
||||
if result["fsize"] != size:
|
||||
raise Exception(f"Redirector has different size for {name}")
|
||||
|
||||
return result
|
||||
Loading…
Reference in New Issue
Block a user