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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
from __future__ import unicode_literals
import functools
import gzip
import io
import sys
import tempfile
from _emerge.AsynchronousLock import AsynchronousLock
from _emerge.BinpkgEnvExtractor import BinpkgEnvExtractor
from _emerge.MiscFunctionsProcess import MiscFunctionsProcess
from _emerge.EbuildProcess import EbuildProcess
from _emerge.CompositeTask import CompositeTask
from _emerge.PackagePhase import PackagePhase
from _emerge.TaskSequence import TaskSequence
from portage.package.ebuild._ipc.QueryCommand import QueryCommand
from portage.util._dyn_libs.soname_deps_qa import (
_get_all_provides,
_get_unresolved_soname_deps,
)
from portage.package.ebuild.prepare_build_dirs import (_prepare_workdir,
_prepare_fake_distdir, _prepare_fake_filesdir)
from portage.util.futures.compat_coroutine import coroutine, coroutine_return
from portage.util import writemsg
from portage.util._async.AsyncTaskFuture import AsyncTaskFuture
from portage.util._async.BuildLogger import BuildLogger
from portage.util.futures import asyncio
from portage.util.futures.executor.fork import ForkExecutor
try:
from portage.xml.metadata import MetaDataXML
except (SystemExit, KeyboardInterrupt):
raise
except (ImportError, SystemError, RuntimeError, Exception):
# broken or missing xml support
# https://bugs.python.org/issue14988
MetaDataXML = None
import portage
portage.proxy.lazyimport.lazyimport(globals(),
'portage.elog:messages@elog_messages',
'portage.package.ebuild.doebuild:_check_build_log,' + \
'_post_phase_cmds,_post_phase_userpriv_perms,' + \
'_post_src_install_soname_symlinks,' + \
'_post_src_install_uid_fix,_postinst_bsdflags,' + \
'_post_src_install_write_metadata,' + \
'_preinst_bsdflags'
)
from portage import os
from portage import _encodings
from portage import _unicode_encode
class EbuildPhase(CompositeTask):
__slots__ = ("actionmap", "fd_pipes", "phase", "settings") + \
("_ebuild_lock",)
# FEATURES displayed prior to setup phase
_features_display = (
"ccache", "compressdebug", "distcc", "fakeroot",
"installsources", "keeptemp", "keepwork", "network-sandbox",
"network-sandbox-proxy", "nostrip", "preserve-libs", "sandbox",
"selinux", "sesandbox", "splitdebug", "suidctl", "test",
"userpriv", "usersandbox"
)
# Locked phases
_locked_phases = ("setup", "preinst", "postinst", "prerm", "postrm")
def _start(self):
self.scheduler.run_until_complete(self._async_start())
@coroutine
def _async_start(self):
need_builddir = self.phase not in EbuildProcess._phases_without_builddir
if need_builddir:
phase_completed_file = os.path.join(
self.settings['PORTAGE_BUILDDIR'],
".%sed" % self.phase.rstrip('e'))
if not os.path.exists(phase_completed_file):
# If the phase is really going to run then we want
# to eliminate any stale elog messages that may
# exist from a previous run.
try:
os.unlink(os.path.join(self.settings['T'],
'logging', self.phase))
except OSError:
pass
if self.phase in ('nofetch', 'pretend', 'setup'):
use = self.settings.get('PORTAGE_BUILT_USE')
if use is None:
use = self.settings['PORTAGE_USE']
maint_str = ""
upstr_str = ""
metadata_xml_path = os.path.join(os.path.dirname(self.settings['EBUILD']), "metadata.xml")
if MetaDataXML is not None and os.path.isfile(metadata_xml_path):
herds_path = os.path.join(self.settings['PORTDIR'],
'metadata/herds.xml')
try:
metadata_xml = MetaDataXML(metadata_xml_path, herds_path)
maint_str = metadata_xml.format_maintainer_string()
upstr_str = metadata_xml.format_upstream_string()
except SyntaxError:
maint_str = "<invalid metadata.xml>"
msg = []
msg.append("Package: %s" % self.settings.mycpv)
if self.settings.get('PORTAGE_REPO_NAME'):
msg.append("Repository: %s" % self.settings['PORTAGE_REPO_NAME'])
if maint_str:
msg.append("Maintainer: %s" % maint_str)
if upstr_str:
msg.append("Upstream: %s" % upstr_str)
msg.append("USE: %s" % use)
relevant_features = []
enabled_features = self.settings.features
for x in self._features_display:
if x in enabled_features:
relevant_features.append(x)
if relevant_features:
msg.append("FEATURES: %s" % " ".join(relevant_features))
# Force background=True for this header since it's intended
# for the log and it doesn't necessarily need to be visible
# elsewhere.
yield self._elog('einfo', msg, background=True)
if self.phase == 'package':
if 'PORTAGE_BINPKG_TMPFILE' not in self.settings:
self.settings['PORTAGE_BINPKG_TMPFILE'] = \
os.path.join(self.settings['PKGDIR'],
self.settings['CATEGORY'], self.settings['PF']) + '.tbz2'
if self.phase in ("pretend", "prerm"):
env_extractor = BinpkgEnvExtractor(background=self.background,
scheduler=self.scheduler, settings=self.settings)
if env_extractor.saved_env_exists():
self._current_task = env_extractor
yield env_extractor.async_start()
yield env_extractor.async_wait()
if self._default_exit(env_extractor) != os.EX_OK:
self._async_wait()
coroutine_return()
# If the environment.bz2 doesn't exist, then ebuild.sh will
# source the ebuild as a fallback.
self._start_lock()
def _start_lock(self):
if (self.phase in self._locked_phases and
"ebuild-locks" in self.settings.features):
eroot = self.settings["EROOT"]
lock_path = os.path.join(eroot, portage.VDB_PATH + "-ebuild")
if os.access(os.path.dirname(lock_path), os.W_OK):
self._ebuild_lock = AsynchronousLock(path=lock_path,
scheduler=self.scheduler)
self._start_task(self._ebuild_lock, self._lock_exit)
return
self._start_ebuild()
def _lock_exit(self, ebuild_lock):
if self._default_exit(ebuild_lock) != os.EX_OK:
self.wait()
return
self._start_ebuild()
def _get_log_path(self):
# Don't open the log file during the clean phase since the
# open file can result in an nfs lock on $T/build.log which
# prevents the clean phase from removing $T.
logfile = None
if self.phase not in ("clean", "cleanrm") and \
self.settings.get("PORTAGE_BACKGROUND") != "subprocess":
logfile = self.settings.get("PORTAGE_LOG_FILE")
return logfile
def _start_ebuild(self):
if self.phase == "package":
self._start_task(PackagePhase(actionmap=self.actionmap,
background=self.background, fd_pipes=self.fd_pipes,
logfile=self._get_log_path(), scheduler=self.scheduler,
settings=self.settings), self._ebuild_exit)
return
if self.phase == "unpack":
alist = self.settings.configdict["pkg"].get("A", "").split()
_prepare_fake_distdir(self.settings, alist)
_prepare_fake_filesdir(self.settings)
fd_pipes = self.fd_pipes
if fd_pipes is None:
if not self.background and self.phase == 'nofetch':
# All the pkg_nofetch output goes to stderr since
# it's considered to be an error message.
fd_pipes = {1 : sys.__stderr__.fileno()}
ebuild_process = EbuildProcess(actionmap=self.actionmap,
background=self.background, fd_pipes=fd_pipes,
logfile=self._get_log_path(), phase=self.phase,
scheduler=self.scheduler, settings=self.settings)
self._start_task(ebuild_process, self._ebuild_exit)
def _ebuild_exit(self, ebuild_process):
self._assert_current(ebuild_process)
if self._ebuild_lock is None:
self._ebuild_exit_unlocked(ebuild_process)
else:
self._start_task(
AsyncTaskFuture(future=self._ebuild_lock.async_unlock()),
functools.partial(self._ebuild_exit_unlocked, ebuild_process))
def _ebuild_exit_unlocked(self, ebuild_process, unlock_task=None):
if unlock_task is not None:
self._assert_current(unlock_task)
if unlock_task.cancelled:
self._default_final_exit(unlock_task)
return
# Normally, async_unlock should not raise an exception here.
unlock_task.future.result()
fail = False
if ebuild_process.returncode != os.EX_OK:
self.returncode = ebuild_process.returncode
if self.phase == "test" and \
"test-fail-continue" in self.settings.features:
# mark test phase as complete (bug #452030)
try:
open(_unicode_encode(os.path.join(
self.settings["PORTAGE_BUILDDIR"], ".tested"),
encoding=_encodings['fs'], errors='strict'),
'wb').close()
except OSError:
pass
else:
fail = True
if not fail:
self.returncode = None
logfile = self._get_log_path()
if self.phase == "install":
out = io.StringIO()
_check_build_log(self.settings, out=out)
msg = out.getvalue()
self.scheduler.output(msg, log_path=logfile)
if fail:
self._die_hooks()
return
settings = self.settings
_post_phase_userpriv_perms(settings)
if self.phase == "unpack":
# Bump WORKDIR timestamp, in case tar gave it a timestamp
# that will interfere with distfiles / WORKDIR timestamp
# comparisons as reported in bug #332217. Also, fix
# ownership since tar can change that too.
os.utime(settings["WORKDIR"], None)
_prepare_workdir(settings)
elif self.phase == "install":
out = io.StringIO()
_post_src_install_write_metadata(settings)
_post_src_install_uid_fix(settings, out)
msg = out.getvalue()
if msg:
self.scheduler.output(msg, log_path=logfile)
elif self.phase == "preinst":
_preinst_bsdflags(settings)
elif self.phase == "postinst":
_postinst_bsdflags(settings)
post_phase_cmds = _post_phase_cmds.get(self.phase)
if post_phase_cmds is not None:
if logfile is not None and self.phase in ("install",):
# Log to a temporary file, since the code we are running
# reads PORTAGE_LOG_FILE for QA checks, and we want to
# avoid annoying "gzip: unexpected end of file" messages
# when FEATURES=compress-build-logs is enabled.
fd, logfile = tempfile.mkstemp()
os.close(fd)
post_phase = _PostPhaseCommands(background=self.background,
commands=post_phase_cmds, elog=self._elog, fd_pipes=self.fd_pipes,
logfile=logfile, phase=self.phase, scheduler=self.scheduler,
settings=settings)
self._start_task(post_phase, self._post_phase_exit)
return
# this point is not reachable if there was a failure and
# we returned for die_hooks above, so returncode must
# indicate success (especially if ebuild_process.returncode
# is unsuccessful and test-fail-continue came into play)
self.returncode = os.EX_OK
self._current_task = None
self.wait()
def _post_phase_exit(self, post_phase):
self._assert_current(post_phase)
log_path = None
if self.settings.get("PORTAGE_BACKGROUND") != "subprocess":
log_path = self.settings.get("PORTAGE_LOG_FILE")
if post_phase.logfile is not None and \
post_phase.logfile != log_path:
# We were logging to a temp file (see above), so append
# temp file to main log and remove temp file.
self._append_temp_log(post_phase.logfile, log_path)
if self._final_exit(post_phase) != os.EX_OK:
writemsg("!!! post %s failed; exiting.\n" % self.phase,
noiselevel=-1)
self._die_hooks()
return
self._current_task = None
self.wait()
return
def _append_temp_log(self, temp_log, log_path):
temp_file = open(_unicode_encode(temp_log,
encoding=_encodings['fs'], errors='strict'), 'rb')
log_file, log_file_real = self._open_log(log_path)
for line in temp_file:
log_file.write(line)
temp_file.close()
log_file.close()
if log_file_real is not log_file:
log_file_real.close()
os.unlink(temp_log)
def _open_log(self, log_path):
f = open(_unicode_encode(log_path,
encoding=_encodings['fs'], errors='strict'),
mode='ab')
f_real = f
if log_path.endswith('.gz'):
f = gzip.GzipFile(filename='', mode='ab', fileobj=f)
return (f, f_real)
def _die_hooks(self):
self.returncode = None
phase = 'die_hooks'
die_hooks = MiscFunctionsProcess(background=self.background,
commands=[phase], phase=phase, logfile=self._get_log_path(),
fd_pipes=self.fd_pipes, scheduler=self.scheduler,
settings=self.settings)
self._start_task(die_hooks, self._die_hooks_exit)
def _die_hooks_exit(self, die_hooks):
if self.phase != 'clean' and \
'noclean' not in self.settings.features and \
'fail-clean' in self.settings.features:
self._default_exit(die_hooks)
self._fail_clean()
return
self._final_exit(die_hooks)
self.returncode = 1
self.wait()
def _fail_clean(self):
self.returncode = None
portage.elog.elog_process(self.settings.mycpv, self.settings)
phase = "clean"
clean_phase = EbuildPhase(background=self.background,
fd_pipes=self.fd_pipes, phase=phase, scheduler=self.scheduler,
settings=self.settings)
self._start_task(clean_phase, self._fail_clean_exit)
return
def _fail_clean_exit(self, clean_phase):
self._final_exit(clean_phase)
self.returncode = 1
self.wait()
@coroutine
def _elog(self, elog_funcname, lines, background=None):
if background is None:
background = self.background
out = io.StringIO()
phase = self.phase
elog_func = getattr(elog_messages, elog_funcname)
global_havecolor = portage.output.havecolor
try:
portage.output.havecolor = \
self.settings.get('NOCOLOR', 'false').lower() in ('no', 'false')
for line in lines:
elog_func(line, phase=phase, key=self.settings.mycpv, out=out)
finally:
portage.output.havecolor = global_havecolor
msg = out.getvalue()
if msg:
build_logger = None
try:
log_file = None
log_path = None
if self.settings.get("PORTAGE_BACKGROUND") != "subprocess":
log_path = self.settings.get("PORTAGE_LOG_FILE")
if log_path:
build_logger = BuildLogger(env=self.settings.environ(),
log_path=log_path,
log_filter_file=self.settings.get('PORTAGE_LOG_FILTER_FILE_CMD'),
scheduler=self.scheduler)
yield build_logger.async_start()
log_file = build_logger.stdin
yield self.scheduler.async_output(msg, log_file=log_file,
background=background)
if build_logger is not None:
build_logger.stdin.close()
yield build_logger.async_wait()
except asyncio.CancelledError:
if build_logger is not None:
build_logger.cancel()
raise
class _PostPhaseCommands(CompositeTask):
__slots__ = ("commands", "elog", "fd_pipes", "logfile", "phase", "settings")
def _start(self):
if isinstance(self.commands, list):
cmds = [({}, self.commands)]
else:
cmds = list(self.commands)
if 'selinux' not in self.settings.features:
cmds = [(kwargs, commands) for kwargs, commands in
cmds if not kwargs.get('selinux_only')]
tasks = TaskSequence()
for kwargs, commands in cmds:
# Select args intended for MiscFunctionsProcess.
kwargs = dict((k, v) for k, v in kwargs.items()
if k in ('ld_preload_sandbox',))
tasks.add(MiscFunctionsProcess(background=self.background,
commands=commands, fd_pipes=self.fd_pipes,
logfile=self.logfile, phase=self.phase,
scheduler=self.scheduler, settings=self.settings, **kwargs))
self._start_task(tasks, self._commands_exit)
def _commands_exit(self, task):
if self._default_exit(task) != os.EX_OK:
self._async_wait()
return
if self.phase == 'install':
out = io.StringIO()
_post_src_install_soname_symlinks(self.settings, out)
msg = out.getvalue()
if msg:
self.scheduler.output(msg, log_path=self.settings.get("PORTAGE_LOG_FILE"))
if 'qa-unresolved-soname-deps' in self.settings.features:
# This operates on REQUIRES metadata generated by the above function call.
future = self._soname_deps_qa()
# If an unexpected exception occurs, then this will raise it.
future.add_done_callback(lambda future: future.cancelled() or future.result())
self._start_task(AsyncTaskFuture(future=future), self._default_final_exit)
else:
self._default_final_exit(task)
else:
self._default_final_exit(task)
@coroutine
def _soname_deps_qa(self):
vardb = QueryCommand.get_db()[self.settings['EROOT']]['vartree'].dbapi
all_provides = (yield self.scheduler.run_in_executor(ForkExecutor(loop=self.scheduler), _get_all_provides, vardb))
unresolved = _get_unresolved_soname_deps(os.path.join(self.settings['PORTAGE_BUILDDIR'], 'build-info'), all_provides)
if unresolved:
unresolved.sort()
qa_msg = ["QA Notice: Unresolved soname dependencies:"]
qa_msg.append("")
qa_msg.extend("\t%s: %s" % (filename, " ".join(sorted(soname_deps)))
for filename, soname_deps in unresolved)
qa_msg.append("")
yield self.elog("eqawarn", qa_msg)
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