pungi/pungi/phases/image_build.py
Lubomír Sedlář 4a4ef23e3c [image-build] Fix resolving git urls
After config was modified to work with sections, the resolving broke.
This patch fixes it and adds a test to catch this problem in the future.

Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>
2016-02-29 08:23:26 +01:00

237 lines
10 KiB
Python

# -*- coding: utf-8 -*-
import copy
import os
import time
from kobo import shortcuts
from pungi.util import get_variant_data, resolve_git_url, makedirs, get_mtime, get_file_size
from pungi.phases.base import PhaseBase
from pungi.linker import Linker
from pungi.paths import translate_path
from pungi.wrappers.kojiwrapper import KojiWrapper
from kobo.threads import ThreadPool, WorkerThread
from productmd.images import Image
class ImageBuildPhase(PhaseBase):
"""class for wrapping up koji image-build"""
name = "image_build"
def __init__(self, compose):
PhaseBase.__init__(self, compose)
self.pool = ThreadPool(logger=self.compose._logger)
def skip(self):
if PhaseBase.skip(self):
return True
if not self.compose.conf.get(self.name):
self.compose.log_info("Config section '%s' was not found. Skipping" % self.name)
return True
return False
def _get_install_tree(self, image_conf, variant):
"""
Get a path to os tree for a variant specified in `install_tree_from` or
current variant. If the config is set, it will be removed from the
dict.
"""
install_tree_from = image_conf.pop('install_tree_from', variant.uid)
install_tree_source = self.compose.variants.get(install_tree_from)
if not install_tree_source:
raise RuntimeError(
'There is no variant %s to get install tree from when building image for %s.'
% (install_tree_from, variant.uid))
return translate_path(
self.compose,
self.compose.paths.compose.os_tree('$arch', install_tree_source, create_dir=False)
)
def _get_repo(self, image_conf, variant):
"""
Get a comma separated list of repos. First included are those
explicitly listed in config, followed by repos from other variants,
finally followed by repo for current variant.
The `repo_from` key is removed from the dict (if present).
"""
repo = shortcuts.force_list(image_conf.get('repo', []))
extras = shortcuts.force_list(image_conf.pop('repo_from', []))
if not variant.is_empty:
extras.append(variant.uid)
for extra in extras:
v = self.compose.variants.get(extra)
if not v:
raise RuntimeError(
'There is no variant %s to get repo from when building image for %s.'
% (extra, variant.uid))
repo.append(translate_path(
self.compose,
self.compose.paths.compose.os_tree('$arch', v, create_dir=False)))
return ",".join(repo)
def _get_arches(self, image_conf, arches):
if 'arches' in image_conf['image-build']:
arches = set(image_conf['image-build'].get('arches', [])) & arches
return ','.join(sorted(arches))
def _set_release(self, image_conf):
"""If release is set explicitly to None, replace it with date and respin."""
if 'release' in image_conf and image_conf['release'] is None:
image_conf['release'] = '%s.%s' % (self.compose.compose_date, self.compose.compose_respin)
def run(self):
for variant in self.compose.get_variants():
arches = set([x for x in variant.arches if x != 'src'])
for image_conf in get_variant_data(self.compose.conf, self.name, variant):
# We will modify the data, so we need to make a copy to
# prevent problems in next iteration where the original
# value is needed.
image_conf = copy.deepcopy(image_conf)
# image_conf is passed to get_image_build_cmd as dict
image_conf["image-build"]['arches'] = self._get_arches(image_conf, arches)
if not image_conf["image-build"]['arches']:
continue
# Replace possible ambiguous ref name with explicit hash.
if 'ksurl' in image_conf['image-build']:
image_conf["image-build"]['ksurl'] = resolve_git_url(image_conf["image-build"]['ksurl'])
image_conf["image-build"]["variant"] = variant
image_conf["image-build"]["install_tree"] = self._get_install_tree(image_conf['image-build'], variant)
self._set_release(image_conf['image-build'])
# transform format into right 'format' for image-build
# e.g. 'docker,qcow2'
format = image_conf["image-build"]["format"]
image_conf["image-build"]["format"] = ",".join([x[0] for x in image_conf["image-build"]["format"]])
image_conf["image-build"]['repo'] = self._get_repo(image_conf['image-build'], variant)
cmd = {
"format": format,
"image_conf": image_conf,
"conf_file": self.compose.paths.work.image_build_conf(
image_conf["image-build"]['variant'],
image_name=image_conf["image-build"]['name'],
image_type=image_conf["image-build"]['format'].replace(",", "-")
),
"image_dir": self.compose.paths.compose.image_dir(variant),
"relative_image_dir": self.compose.paths.compose.image_dir(
variant, relative=True
),
"link_type": self.compose.conf.get("link_type", "hardlink-or-copy"),
"scratch": image_conf['image-build'].pop('scratch', False),
}
self.pool.add(CreateImageBuildThread(self.pool))
self.pool.queue_put((self.compose, cmd))
self.pool.start()
class CreateImageBuildThread(WorkerThread):
def fail(self, compose, cmd):
compose.log_error("CreateImageBuild failed.")
def process(self, item, num):
compose, cmd = item
try:
self.worker(num, compose, cmd)
except Exception as exc:
if not compose.can_fail(cmd["image_conf"]["image-build"]['variant'], '*', 'image-build'):
raise
else:
msg = ('[FAIL] image-build for variant %s failed, but going on anyway.\n%s'
% (cmd['image_conf']['image-build']['variant'], exc))
self.pool.log_info(msg)
def worker(self, num, compose, cmd):
arches = cmd["image_conf"]["image-build"]['arches'].split(',')
dash_arches = '-'.join(arches)
log_file = compose.paths.log.log_file(
dash_arches,
"imagebuild-%s-%s-%s" % (dash_arches,
cmd["image_conf"]["image-build"]["variant"],
cmd["image_conf"]["image-build"]['format'].replace(",", "-"))
)
msg = "Creating %s image (arches: %s, variant: %s)" % (cmd["image_conf"]["image-build"]["format"].replace(",", "-"),
dash_arches,
cmd["image_conf"]["image-build"]["variant"])
self.pool.log_info("[BEGIN] %s" % msg)
koji_wrapper = KojiWrapper(compose.conf["koji_profile"])
# writes conf file for koji image-build
self.pool.log_info("Writing image-build config for %s.%s into %s" % (
cmd["image_conf"]["image-build"]["variant"], dash_arches, cmd["conf_file"]))
koji_cmd = koji_wrapper.get_image_build_cmd(cmd["image_conf"],
conf_file_dest=cmd["conf_file"],
scratch=cmd['scratch'])
# avoid race conditions?
# Kerberos authentication failed: Permission denied in replay cache code (-1765328215)
time.sleep(num * 3)
output = koji_wrapper.run_blocking_cmd(koji_cmd, log_file=log_file)
self.pool.log_debug("build-image outputs: %s" % (output))
if output["retcode"] != 0:
self.fail(compose, cmd)
raise RuntimeError("ImageBuild task failed: %s. See %s for more details." % (output["task_id"], log_file))
# copy image to images/
image_infos = []
paths = koji_wrapper.get_image_paths(output["task_id"])
for arch, paths in paths.iteritems():
for path in paths:
# format is list of tuples [('qcow2', '.qcow2'), ('raw-xz', 'raw.xz'),]
for format, suffix in cmd['format']:
if path.endswith(suffix):
image_infos.append({'path': path, 'suffix': suffix, 'type': format, 'arch': arch})
break
if len(image_infos) != len(cmd['format']) * len(arches):
self.pool.log_error(
"Error in koji task %s. Expected to find same amount of images "
"as in suffixes attr in image-build (%s) for each arch (%s). Got '%s'." %
(output["task_id"], len(cmd['format']),
len(arches), len(image_infos)))
self.fail(compose, cmd)
# The usecase here is that you can run koji image-build with multiple --format
# It's ok to do it serialized since we're talking about max 2 images per single
# image_build record
linker = Linker(logger=compose._logger)
for image_info in image_infos:
image_dir = cmd["image_dir"] % {"arch": image_info['arch']}
makedirs(image_dir)
relative_image_dir = cmd["relative_image_dir"] % {"arch": image_info['arch']}
# let's not change filename of koji outputs
image_dest = os.path.join(image_dir, os.path.basename(image_info['path']))
linker.link(image_info['path'], image_dest, link_type=cmd["link_type"])
# Update image manifest
img = Image(compose.im)
img.type = image_info['type']
img.format = image_info['suffix']
img.path = os.path.join(relative_image_dir, os.path.basename(image_dest))
img.mtime = get_mtime(image_dest)
img.size = get_file_size(image_dest)
img.arch = image_info['arch']
img.disc_number = 1 # We don't expect multiple disks
img.disc_count = 1
img.bootable = False
compose.im.add(variant=cmd["image_conf"]["image-build"]["variant"].uid,
arch=image_info['arch'],
image=img)
self.pool.log_info("[DONE ] %s" % msg)