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#!/usr/bin/env nix-shell
#! nix-shell -i python3 -p bundix common-updater-scripts nix nix-prefetch-git python3 python3Packages.requests python3Packages.lxml python3Packages.click python3Packages.click-log
import click
import click_log
import os
import re
import logging
import subprocess
import json
import pathlib
from distutils.version import LooseVersion
from typing import Iterable
import requests
from xml.etree import ElementTree
logger = logging.getLogger(__name__)
class GitLabRepo:
version_regex = re.compile(r"^v\d+\.\d+\.\d+(\-rc\d+)?(\-ee)?")
def __init__(self, owner: str, repo: str):
self.owner = owner
self.repo = repo
@property
def url(self):
return f"https://gitlab.com/{self.owner}/{self.repo}"
@property
def tags(self) -> Iterable[str]:
r = requests.get(self.url + "/tags?format=atom", stream=True)
tree = ElementTree.fromstring(r.content)
versions = [e.text for e in tree.findall('{http://www.w3.org/2005/Atom}entry/{http://www.w3.org/2005/Atom}title')]
# filter out versions not matching version_regex
versions = filter(self.version_regex.match, versions)
# sort, but ignore v and -ee for sorting comparisons
versions.sort(key=lambda x: LooseVersion(x.replace("v", "").replace("-ee", "")), reverse=True)
return versions
def get_git_hash(self, rev: str):
out = subprocess.check_output(['nix-prefetch-git', self.url, rev])
j = json.loads(out)
return j['sha256']
def get_deb_url(self, flavour: str, version: str, arch: str = 'amd64') -> str:
"""
gitlab builds debian packages, which we currently need as we don't build the frontend on our own
this returns the url of a given flavour, version and arch
:param flavour: 'ce' or 'ee'
:param version: a version, without 'v' prefix and '-ee' suffix
:param arch: amd64
:return: url of the debian package
"""
if self.owner != "gitlab-org" or self.repo not in ['gitlab-ce', 'gitlab-ee']:
raise Exception(f"don't know how to get deb_url for {self.url}")
return f"https://packages.gitlab.com/gitlab/gitlab-{flavour}/packages" + \
f"/debian/stretch/gitlab-{flavour}_{version}-{flavour}.0_{arch}.deb/download.deb"
def get_deb_hash(self, flavour: str, version: str) -> str:
out = subprocess.check_output(['nix-prefetch-url', self.get_deb_url(flavour, version)])
return out.decode('utf-8').strip()
@staticmethod
def rev2version(tag: str) -> str:
"""
normalize a tag to a version number.
This obviously isn't very smart if we don't pass something that looks like a tag
:param tag: the tag to normalize
:return: a normalized version number
"""
# strip v prefix
version = re.sub(r"^v", '', tag)
# strip -ee suffix
return re.sub(r"-ee$", '', version)
def get_file(self, filepath, rev):
"""
returns file contents at a given rev
:param filepath: the path to the file, relative to the repo root
:param rev: the rev to fetch at
:return:
"""
return requests.get(self.url + f"/raw/{rev}/{filepath}").text
def get_data(self, rev, flavour):
version = self.rev2version(rev)
passthru = {v: self.get_file(v, rev).strip() for v in ['GITALY_SERVER_VERSION', 'GITLAB_PAGES_VERSION',
'GITLAB_SHELL_VERSION', 'GITLAB_WORKHORSE_VERSION']}
return dict(version=self.rev2version(rev),
repo_hash=self.get_git_hash(rev),
deb_hash=self.get_deb_hash(flavour, version),
deb_url=self.get_deb_url(flavour, version),
owner=self.owner,
repo=self.repo,
rev=rev,
passthru=passthru)
def _flavour2gitlabrepo(flavour: str):
if flavour not in ['ce', 'ee']:
raise Exception(f"unknown gitlab flavour: {flavour}, needs to be ce or ee")
owner = 'gitlab-org'
repo = 'gitlab-' + flavour
return GitLabRepo(owner, repo)
def _update_data_json(filename: str, repo: GitLabRepo, rev: str, flavour: str):
flavour_data = repo.get_data(rev, flavour)
if not os.path.exists(filename):
with open(filename, 'w') as f:
json.dump({flavour: flavour_data}, f, indent=2)
else:
with open(filename, 'r+') as f:
data = json.load(f)
data[flavour] = flavour_data
f.seek(0)
f.truncate()
json.dump(data, f, indent=2)
def _get_data_json():
data_file_path = pathlib.Path(__file__).parent / 'data.json'
with open(data_file_path, 'r') as f:
return json.load(f)
def _call_update_source_version(pkg, version):
"""calls update-source-version from nixpkgs root dir"""
nixpkgs_path = pathlib.Path(__file__).parent / '../../../../'
return subprocess.check_output(['update-source-version', pkg, version], cwd=nixpkgs_path)
@click_log.simple_verbosity_option(logger)
@click.group()
def cli():
pass
@cli.command('update-data')
@click.option('--rev', default='latest', help='The rev to use, \'latest\' points to the latest (stable) tag')
@click.argument('flavour')
def update_data(rev: str, flavour: str):
"""Update data.nix for a selected flavour"""
r = _flavour2gitlabrepo(flavour)
if rev == 'latest':
# filter out pre and re releases
rev = next(filter(lambda x: not ('rc' in x or x.endswith('pre')), r.tags))
logger.debug(f"Using rev {rev}")
version = r.rev2version(rev)
logger.debug(f"Using version {version}")
data_file_path = pathlib.Path(__file__).parent / 'data.json'
_update_data_json(filename=data_file_path.as_posix(),
repo=r,
rev=rev,
flavour=flavour)
@cli.command('update-rubyenv')
@click.argument('flavour')
def update_rubyenv(flavour):
"""Update rubyEnv-${flavour}"""
if flavour not in ['ce', 'ee']:
raise Exception(f"unknown gitlab flavour: {flavour}, needs to be ce or ee")
r = _flavour2gitlabrepo(flavour)
rubyenv_dir = pathlib.Path(__file__).parent / f"rubyEnv-{flavour}"
# load rev from data.json
data = _get_data_json()
rev = data[flavour]['rev']
for fn in ['Gemfile.lock', 'Gemfile']:
with open(rubyenv_dir / fn, 'w') as f:
f.write(r.get_file(fn, rev))
subprocess.check_output(['bundix'], cwd=rubyenv_dir)
@cli.command('update-gitaly')
def update_gitaly():
"""Update gitaly"""
data = _get_data_json()
gitaly_server_version = data['ce']['passthru']['GITALY_SERVER_VERSION']
r = GitLabRepo('gitlab-org', 'gitaly')
rubyenv_dir = pathlib.Path(__file__).parent / 'gitaly'
for fn in ['Gemfile.lock', 'Gemfile']:
with open(rubyenv_dir / fn, 'w') as f:
f.write(r.get_file(f"ruby/{fn}", f"v{gitaly_server_version}"))
subprocess.check_output(['bundix'], cwd=rubyenv_dir)
# currently broken, as `gitaly.meta.position` returns
# pkgs/development/go-modules/generic/default.nix
# so update-source-version doesn't know where to update hashes
# _call_update_source_version('gitaly', gitaly_server_version)
gitaly_hash = r.get_git_hash(f"v{gitaly_server_version}")
click.echo(f"Please update gitaly/default.nix to version {gitaly_server_version} and hash {gitaly_hash}")
@cli.command('update-gitlab-shell')
def update_gitlab_shell():
"""Update gitlab-shell"""
data = _get_data_json()
gitlab_shell_version = data['ce']['passthru']['GITLAB_SHELL_VERSION']
_call_update_source_version('gitlab-shell', gitlab_shell_version)
@cli.command('update-gitlab-workhorse')
def update_gitlab_workhorse():
"""Update gitlab-shell"""
data = _get_data_json()
gitlab_workhorse_version = data['ce']['passthru']['GITLAB_WORKHORSE_VERSION']
_call_update_source_version('gitlab-workhorse', gitlab_workhorse_version)
@cli.command('update-all')
@click.pass_context
def update_all(ctx):
"""Update gitlab ce and ee data.nix and rubyenvs to the latest stable release"""
for flavour in ['ce', 'ee']:
ctx.invoke(update_data, rev='latest', flavour=flavour)
ctx.invoke(update_rubyenv, flavour=flavour)
ctx.invoke(update_gitaly)
ctx.invoke(update_gitlab_shell)
ctx.invoke(update_gitlab_workhorse)
if __name__ == '__main__':
cli()
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