Exemplo n.º 1
0
 def new(self, **kwargs):
     if kwargs:
         self._kwargs(kwargs)
         # initial checkout
     msg = ">>> Starting initial cvs checkout with %s..." % self.repo.sync_uri
     self.logger(self.xterm_titles, msg)
     writemsg_level(msg + "\n")
     try:
         os.rmdir(self.repo.location)
     except OSError as e:
         if e.errno != errno.ENOENT:
             msg = "!!! existing '%s' directory; exiting." % self.repo.location
             self.logger(self.xterm_titles, msg)
             writemsg_level(msg + "\n", noiselevel=-1, level=logging.ERROR)
             return (1, False)
         del e
     cvs_root = self.repo.sync_uri
     if (
         portage.process.spawn_bash(
             "cd %s; exec cvs -z0 -d %s co -P -d %s %s"
             % (
                 portage._shell_quote(os.path.dirname(self.repo.location)),
                 portage._shell_quote(cvs_root),
                 portage._shell_quote(os.path.basename(self.repo.location)),
                 portage._shell_quote(self.repo.sync_cvs_repo),
             ),
             **portage._native_kwargs(self.spawn_kwargs)
         )
         != os.EX_OK
     ):
         msg = "!!! cvs checkout error; exiting."
         self.logger(self.xterm_titles, msg)
         writemsg_level(msg + "\n", noiselevel=-1, level=logging.ERROR)
         return (1, False)
     return (0, False)
Exemplo n.º 2
0
    def async_unlock(self):
        """
		Release the lock asynchronously. Release notification is available
		via the add_done_callback method of the returned Future instance.

		@returns: Future, result is None
		"""
        if self._lock_obj is not None:
            yield self._lock_obj.async_unlock()

            self._lock_obj = None
            self.locked = False
            self.settings.pop('PORTAGE_BUILDDIR_LOCKED', None)
            catdir_lock = AsynchronousLock(path=self._catdir,
                                           scheduler=self.scheduler)
            try:
                yield catdir_lock.async_start()
                yield catdir_lock.async_wait()
            except asyncio.CancelledError:
                if catdir_lock.poll() is None:
                    catdir_lock.cancel()
                raise

            if catdir_lock.returncode == os.EX_OK:
                try:
                    os.rmdir(self._catdir)
                except OSError:
                    pass
                yield catdir_lock.async_unlock()
Exemplo n.º 3
0
 def catdir_locked(catdir_lock):
     if catdir_lock.wait() != os.EX_OK:
         result.set_result(None)
     else:
         try:
             os.rmdir(self._catdir)
         except OSError:
             pass
         catdir_lock.async_unlock().add_done_callback(catdir_unlocked)
Exemplo n.º 4
0
    def _cgroup_cleanup(self):
        if self.cgroup:

            def get_pids(cgroup):
                try:
                    with open(os.path.join(cgroup, "cgroup.procs"), "r") as f:
                        return [int(p) for p in f.read().split()]
                except EnvironmentError:
                    # removed by cgroup-release-agent
                    return []

            def kill_all(pids, sig):
                for p in pids:
                    try:
                        os.kill(p, sig)
                    except OSError as e:
                        if e.errno == errno.EPERM:
                            # Reported with hardened kernel (bug #358211).
                            writemsg_level(
                                "!!! kill: (%i) - Operation not permitted\n" %
                                (p, ),
                                level=logging.ERROR,
                                noiselevel=-1,
                            )
                        elif e.errno != errno.ESRCH:
                            raise

            # step 1: kill all orphans (loop in case of new forks)
            remaining = self._CGROUP_CLEANUP_RETRY_MAX
            while remaining:
                remaining -= 1
                pids = get_pids(self.cgroup)
                if pids:
                    kill_all(pids, signal.SIGKILL)
                else:
                    break

            if pids:
                msg = []
                msg.append(
                    _("Failed to kill pid(s) in '%(cgroup)s': %(pids)s") %
                    dict(
                        cgroup=os.path.join(self.cgroup, "cgroup.procs"),
                        pids=" ".join(str(pid) for pid in pids),
                    ))

                self._elog("eerror", msg)

            # step 2: remove the cgroup
            try:
                os.rmdir(self.cgroup)
            except OSError:
                # it may be removed already, or busy
                # we can't do anything good about it
                pass
Exemplo n.º 5
0
    def commit_update(self):
        update_location = self.current_update
        self._update_location = None
        try:
            snapshots = [int(name) for name in os.listdir(self._snapshots_dir)]
        except OSError:
            snapshots = []
            portage.util.ensure_dirs(self._snapshots_dir)
            portage.util.apply_stat_permissions(
                self._snapshots_dir, os.stat(self._storage_location))
        if snapshots:
            new_id = max(snapshots) + 1
        else:
            new_id = 1
        os.rename(update_location,
                  os.path.join(self._snapshots_dir, str(new_id)))
        new_symlink = self._latest_symlink + '.new'
        try:
            os.unlink(new_symlink)
        except OSError:
            pass
        os.symlink('snapshots/{}'.format(new_id), new_symlink)

        # If SyncManager.pre_sync creates an empty directory where
        # self._latest_symlink is suppose to be (which is normal if
        # sync-rcu-store-dir has been removed), then we need to remove
        # the directory or else rename will raise IsADirectoryError
        # when we try to replace the directory with a symlink.
        try:
            os.rmdir(self._latest_symlink)
        except OSError:
            pass

        os.rename(new_symlink, self._latest_symlink)

        try:
            user_location_correct = os.path.samefile(self._user_location,
                                                     self._latest_symlink)
        except OSError:
            user_location_correct = False

        if not user_location_correct:
            new_symlink = self._user_location + '.new'
            try:
                os.unlink(new_symlink)
            except OSError:
                pass
            os.symlink(self._latest_symlink, new_symlink)
            os.rename(new_symlink, self._user_location)

        coroutine_return()
        yield None
Exemplo n.º 6
0
	def _cgroup_cleanup(self):
		if self.cgroup:
			def get_pids(cgroup):
				try:
					with open(os.path.join(cgroup, 'cgroup.procs'), 'r') as f:
						return [int(p) for p in f.read().split()]
				except EnvironmentError:
					# removed by cgroup-release-agent
					return []

			def kill_all(pids, sig):
				for p in pids:
					try:
						os.kill(p, sig)
					except OSError as e:
						if e.errno == errno.EPERM:
							# Reported with hardened kernel (bug #358211).
							writemsg_level(
								"!!! kill: (%i) - Operation not permitted\n" %
								(p,), level=logging.ERROR,
								noiselevel=-1)
						elif e.errno != errno.ESRCH:
							raise

			# step 1: kill all orphans (loop in case of new forks)
			remaining = self._CGROUP_CLEANUP_RETRY_MAX
			while remaining:
				remaining -= 1
				pids = get_pids(self.cgroup)
				if pids:
					kill_all(pids, signal.SIGKILL)
				else:
					break

			if pids:
				msg = []
				msg.append(
					_("Failed to kill pid(s) in '%(cgroup)s': %(pids)s") % dict(
					cgroup=os.path.join(self.cgroup, 'cgroup.procs'),
					pids=' '.join(str(pid) for pid in pids)))

				self._elog('eerror', msg)

			# step 2: remove the cgroup
			try:
				os.rmdir(self.cgroup)
			except OSError:
				# it may be removed already, or busy
				# we can't do anything good about it
				pass
Exemplo n.º 7
0
def install_mask_dir(base_dir, install_mask, onerror=None):
    """
    Remove files and directories matched by INSTALL_MASK.

    @param base_dir: directory path corresponding to ${ED}
    @type base_dir: str
    @param install_mask: INSTALL_MASK configuration
    @type install_mask: InstallMask
    """
    onerror = onerror or _raise_exc
    base_dir = normalize_path(base_dir)
    base_dir_len = len(base_dir) + 1
    dir_stack = []

    # Remove masked files.
    todo = [base_dir]
    while todo:
        parent = todo.pop()
        try:
            parent = _unicode_decode(parent, errors="strict")
        except UnicodeDecodeError:
            continue

        dir_stack.append(parent)
        for entry in os.scandir(parent):
            try:
                abs_path = _unicode_decode(entry.path, errors="strict")
            except UnicodeDecodeError:
                continue

            if entry.is_dir(follow_symlinks=False):
                todo.append(entry.path)
            elif install_mask.match(abs_path[base_dir_len:]):
                try:
                    os.unlink(entry.path)
                except OSError as e:
                    onerror(e)

    # Remove masked dirs (unless non-empty due to exclusions).
    while True:
        try:
            dir_path = dir_stack.pop()
        except IndexError:
            break

        if install_mask.match(dir_path[base_dir_len:] + "/"):
            try:
                os.rmdir(dir_path)
            except OSError:
                pass
Exemplo n.º 8
0
def install_mask_dir(base_dir, install_mask, onerror=None):
	"""
	Remove files and directories matched by INSTALL_MASK.

	@param base_dir: directory path corresponding to ${ED}
	@type base_dir: str
	@param install_mask: INSTALL_MASK configuration
	@type install_mask: InstallMask
	"""
	onerror = onerror or _raise_exc
	base_dir = normalize_path(base_dir)
	base_dir_len = len(base_dir) + 1
	dir_stack = []

	# Remove masked files.
	for parent, dirs, files in os.walk(base_dir, onerror=onerror):
		try:
			parent = _unicode_decode(parent, errors='strict')
		except UnicodeDecodeError:
			continue
		dir_stack.append(parent)
		for fname in files:
			try:
				fname = _unicode_decode(fname, errors='strict')
			except UnicodeDecodeError:
				continue
			abs_path = os.path.join(parent, fname)
			relative_path = abs_path[base_dir_len:]
			if install_mask.match(relative_path):
				try:
					os.unlink(abs_path)
				except OSError as e:
					onerror(e)

	# Remove masked dirs (unless non-empty due to exclusions).
	while True:
		try:
			dir_path = dir_stack.pop()
		except IndexError:
			break

		if install_mask.match(dir_path[base_dir_len:] + '/'):
			try:
				os.rmdir(dir_path)
			except OSError:
				pass
Exemplo n.º 9
0
	def _remove_symlink(self, cpv):
		"""Remove a ${PKGDIR}/${CATEGORY}/${PF}.tbz2 symlink and also remove
		the ${PKGDIR}/${CATEGORY} directory if empty.  The file will not be
		removed if os.path.islink() returns False."""
		mycat, mypkg = catsplit(cpv)
		mylink = os.path.join(self.pkgdir, mycat, mypkg + ".tbz2")
		if os.path.islink(mylink):
			"""Only remove it if it's really a link so that this method never
			removes a real package that was placed here to avoid a collision."""
			os.unlink(mylink)
		try:
			os.rmdir(os.path.join(self.pkgdir, mycat))
		except OSError as e:
			if e.errno not in (errno.ENOENT,
				errno.ENOTEMPTY, errno.EEXIST):
				raise
			del e
Exemplo n.º 10
0
	def _remove_symlink(self, cpv):
		"""Remove a ${PKGDIR}/${CATEGORY}/${PF}.tbz2 symlink and also remove
		the ${PKGDIR}/${CATEGORY} directory if empty.  The file will not be
		removed if os.path.islink() returns False."""
		mycat, mypkg = catsplit(cpv)
		mylink = os.path.join(self.pkgdir, mycat, mypkg + ".tbz2")
		if os.path.islink(mylink):
			"""Only remove it if it's really a link so that this method never
			removes a real package that was placed here to avoid a collision."""
			os.unlink(mylink)
		try:
			os.rmdir(os.path.join(self.pkgdir, mycat))
		except OSError as e:
			if e.errno not in (errno.ENOENT,
				errno.ENOTEMPTY, errno.EEXIST):
				raise
			del e
	def unlock(self):
		if self._lock_obj is None:
			return

		self._lock_obj.unlock()
		self._lock_obj = None
		self.locked = False
		self.settings.pop('PORTAGE_BUILDDIR_LOCKED', None)
		catdir_lock = AsynchronousLock(path=self._catdir, scheduler=self.scheduler)
		catdir_lock.start()
		if catdir_lock.wait() == os.EX_OK:
			try:
				os.rmdir(self._catdir)
			except OSError:
				pass
			finally:
				catdir_lock.unlock()
Exemplo n.º 12
0
def install_mask_dir(base_dir, install_mask, onerror=None):
    """
	Remove files and directories matched by INSTALL_MASK.

	@param base_dir: directory path corresponding to ${ED}
	@type base_dir: str
	@param install_mask: INSTALL_MASK configuration
	@type install_mask: InstallMask
	"""
    onerror = onerror or _raise_exc
    base_dir = normalize_path(base_dir)
    base_dir_len = len(base_dir) + 1
    dir_stack = []

    # Remove masked files.
    for parent, dirs, files in os.walk(base_dir, onerror=onerror):
        try:
            parent = _unicode_decode(parent, errors='strict')
        except UnicodeDecodeError:
            continue
        dir_stack.append(parent)
        for fname in files:
            try:
                fname = _unicode_decode(fname, errors='strict')
            except UnicodeDecodeError:
                continue
            abs_path = os.path.join(parent, fname)
            relative_path = abs_path[base_dir_len:]
            if install_mask.match(relative_path):
                try:
                    os.unlink(abs_path)
                except OSError as e:
                    onerror(e)

    # Remove masked dirs (unless non-empty due to exclusions).
    while True:
        try:
            dir_path = dir_stack.pop()
        except IndexError:
            break

        if install_mask.match(dir_path[base_dir_len:] + '/'):
            try:
                os.rmdir(dir_path)
            except OSError:
                pass
Exemplo n.º 13
0
	def unlock(self):
		if self._lock_obj is None:
			return

		self._lock_obj.unlock()
		self._lock_obj = None
		self.locked = False
		self.settings.pop('PORTAGE_BUILDIR_LOCKED', None)
		catdir_lock = AsynchronousLock(path=self._catdir, scheduler=self.scheduler)
		catdir_lock.start()
		if catdir_lock.wait() == os.EX_OK:
			try:
				os.rmdir(self._catdir)
			except OSError as e:
				if e.errno not in (errno.ENOENT,
					errno.ENOTEMPTY, errno.EEXIST, errno.EPERM):
					raise
			finally:
				catdir_lock.unlock()
Exemplo n.º 14
0
    def unlock(self):
        if self._lock_obj is None:
            return

        self._lock_obj.unlock()
        self._lock_obj = None
        self.locked = False
        self.settings.pop('PORTAGE_BUILDIR_LOCKED', None)
        catdir_lock = AsynchronousLock(path=self._catdir,
                                       scheduler=self.scheduler)
        catdir_lock.start()
        if catdir_lock.wait() == os.EX_OK:
            try:
                os.rmdir(self._catdir)
            except OSError as e:
                if e.errno not in (errno.ENOENT, errno.ENOTEMPTY, errno.EEXIST,
                                   errno.EPERM):
                    raise
            finally:
                catdir_lock.unlock()
    def unlock(self):
        if self._lock_obj is None:
            return

        portage.locks.unlockdir(self._lock_obj)
        self._lock_obj = None
        self.locked = False

        catdir = self._catdir
        catdir_lock = None
        try:
            catdir_lock = portage.locks.lockdir(catdir)
        finally:
            if catdir_lock:
                try:
                    os.rmdir(catdir)
                except OSError as e:
                    if e.errno not in (errno.ENOENT, errno.ENOTEMPTY, errno.EEXIST):
                        raise
                    del e
                portage.locks.unlockdir(catdir_lock)
Exemplo n.º 16
0
    def _set_returncode(self, wait_retval):
        SubProcess._set_returncode(self, wait_retval)

        if self.cgroup:

            def get_pids(cgroup):
                try:
                    with open(os.path.join(cgroup, 'cgroup.procs'), 'r') as f:
                        return [int(p) for p in f.read().split()]
                except OSError:
                    # cgroup removed already?
                    return []

            def kill_all(pids, sig):
                for p in pids:
                    try:
                        os.kill(p, sig)
                    except OSError as e:
                        if e.errno == errno.EPERM:
                            # Reported with hardened kernel (bug #358211).
                            writemsg_level(
                                "!!! kill: (%i) - Operation not permitted\n" %
                                (p, ),
                                level=logging.ERROR,
                                noiselevel=-1)
                        elif e.errno != errno.ESRCH:
                            raise

            # step 1: kill all orphans
            pids = get_pids(self.cgroup)
            if pids:
                kill_all(pids, signal.SIGKILL)

            # step 2: remove the cgroup
            try:
                os.rmdir(self.cgroup)
            except OSError:
                # it may be removed already, or busy
                # we can't do anything good about it
                pass
Exemplo n.º 17
0
    def unlock(self):
        if self._lock_obj is None:
            return

        portage.locks.unlockdir(self._lock_obj)
        self._lock_obj = None
        self.locked = False

        catdir = self._catdir
        catdir_lock = None
        try:
            catdir_lock = portage.locks.lockdir(catdir)
        finally:
            if catdir_lock:
                try:
                    os.rmdir(catdir)
                except OSError as e:
                    if e.errno not in (errno.ENOENT, errno.ENOTEMPTY,
                                       errno.EEXIST):
                        raise
                    del e
                portage.locks.unlockdir(catdir_lock)
Exemplo n.º 18
0
	def _set_returncode(self, wait_retval):
		SubProcess._set_returncode(self, wait_retval)

		if self.cgroup:
			def get_pids(cgroup):
				try:
					with open(os.path.join(cgroup, 'cgroup.procs'), 'r') as f:
						return [int(p) for p in f.read().split()]
				except OSError:
					# cgroup removed already?
					return []

			def kill_all(pids, sig):
				for p in pids:
					try:
						os.kill(p, sig)
					except OSError as e:
						if e.errno == errno.EPERM:
							# Reported with hardened kernel (bug #358211).
							writemsg_level(
								"!!! kill: (%i) - Operation not permitted\n" %
								(p,), level=logging.ERROR,
								noiselevel=-1)
						elif e.errno != errno.ESRCH:
							raise

			# step 1: kill all orphans
			pids = get_pids(self.cgroup)
			if pids:
				kill_all(pids, signal.SIGKILL)

			# step 2: remove the cgroup
			try:
				os.rmdir(self.cgroup)
			except OSError:
				# it may be removed already, or busy
				# we can't do anything good about it
				pass