Files
fm-orchestrator/module_build_service/builder/utils.py
Filip Valder 7ef2975984 PEP8 fixes
2017-07-17 18:29:10 +02:00

138 lines
4.6 KiB
Python

import os
import sys
import shutil
import subprocess
import munch
import errno
import logging
import urlgrabber.grabber as grabber
import urlgrabber.progress as progress
import module_build_service
from module_build_service import log
logging.basicConfig(level=logging.DEBUG)
def find_srpm(cod):
for f in os.listdir(cod):
if f.endswith(".src.rpm"):
return os.path.join(cod, f)
def execute_cmd(args, stdout=None, stderr=None, cwd=None):
"""
Executes command defined by `args`. If `stdout` or `stderr` is set to
Python file object, the stderr/stdout output is redirecter to that file.
If `cwd` is set, current working directory is set accordingly for the
executed command.
:param args: list defining the command to execute.
:param stdout: Python file object to redirect the stdout to.
:param stderr: Python file object to redirect the stderr to.
:param cwd: string defining the current working directory for command.
:raises RuntimeError: Raised when command exits with non-zero exit code.
"""
out_log_msg = ""
if stdout and hasattr(stdout, "name"):
out_log_msg += ", stdout log: %s" % stdout.name
if stderr and hasattr(stderr, "name"):
out_log_msg += ", stderr log: %s" % stderr.name
log.info("Executing command: %s%s" % (args, out_log_msg))
proc = subprocess.Popen(args, stdout=stdout, stderr=stderr, cwd=cwd)
out, err = proc.communicate()
if proc.returncode != 0:
err_msg = "Command '%s' returned non-zero value %d%s" % (args, proc.returncode, out_log_msg)
raise RuntimeError(err_msg)
return out, err
def create_local_repo_from_koji_tag(config, tag, repo_dir, archs=None):
"""
Downloads the packages build for one of `archs` (defaults to ['x86_64',
'noarch']) in Koji tag `tag` to `repo_dir` and creates repository in that
directory. Needs config.koji_profile and config.koji_config to be set.
"""
# Placed here to avoid py2/py3 conflicts...
import koji
if not archs:
archs = ["x86_64", "noarch"]
# Load koji config and create Koji session.
koji_config = munch.Munch(koji.read_config(
profile_name=config.koji_profile,
user_config=config.koji_config,
))
address = koji_config.server
log.info("Connecting to koji %r" % address)
session = koji.ClientSession(address, opts=koji_config)
# Get the list of all RPMs and builds in a tag.
try:
rpms, builds = session.listTaggedRPMS(tag, latest=True)
except koji.GenericError:
log.exception("Failed to list rpms in tag %r" % tag)
# Reformat builds so they are dict with build_id as a key.
builds = {build['build_id']: build for build in builds}
# Prepare pathinfo we will use to generate the URL.
pathinfo = koji.PathInfo(topdir=session.opts["topurl"])
# Prepare the list of URLs to download
urls = []
for rpm in rpms:
build_info = builds[rpm['build_id']]
# We do not download debuginfo packages or packages built for archs
# we are not interested in.
if koji.is_debuginfo(rpm['name']) or not rpm['arch'] in archs:
continue
fname = pathinfo.rpm(rpm)
url = pathinfo.build(build_info) + '/' + fname
urls.append((url, os.path.basename(fname), rpm['size']))
log.info("Downloading %d packages from Koji tag %s to %s" % (len(urls), tag, repo_dir))
# Create the output directory
try:
os.makedirs(repo_dir)
except OSError as exception:
if exception.errno != errno.EEXIST:
raise
# When True, we want to run the createrepo_c.
repo_changed = False
# Donload the RPMs.
pg = progress.TextMeter(sys.stdout)
multi_pg = progress.TextMultiFileMeter(sys.stdout)
for url, relpath, size in urls:
local_fn = os.path.join(repo_dir, relpath)
# Download only when RPM is missing or the size does not match.
if not os.path.exists(local_fn) or os.path.getsize(local_fn) != size:
if os.path.exists(local_fn):
os.remove(local_fn)
repo_changed = True
grabber.urlgrab(url, filename=local_fn, progress_obj=pg,
multi_progress_obj=multi_pg, async=(tag, 5),
text=relpath)
grabber.parallel_wait()
# If we downloaded something, run the createrepo_c.
if repo_changed:
repodata_path = os.path.join(repo_dir, "repodata")
if os.path.exists(repodata_path):
shutil.rmtree(repodata_path)
log.info("Creating local repository in %s" % repo_dir)
execute_cmd(['/usr/bin/createrepo_c', repo_dir])