qubes-installer-qubes-os/anaconda/pyanaconda/packaging/rpmostreepayload.py
Marek Marczykowski-Górecki 6bc5671491
anaconda: update to 25.20.9-1
Apply:
  git diff --full-index --binary anaconda-23.19.10-1..anaconda-25.20.9-1

And resolve conflicts.

QubesOS/qubes-issues#2574
2017-02-14 02:36:20 +01:00

340 lines
14 KiB
Python

# ostreepayload.py
# Deploy OSTree trees to target
#
# Copyright (C) 2012,2014 Red Hat, Inc.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY expressed or implied, including the implied warranties of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details. You should have received a copy of the
# GNU General Public License along with this program; if not, write to the
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
# source code or documentation are not subject to the GNU General Public
# License and may only be used or replicated with the express permission of
# Red Hat, Inc.
#
import os
import sys
from subprocess import CalledProcessError
from pyanaconda import iutil
from pyanaconda.flags import flags
from pyanaconda.i18n import _
from pyanaconda.progress import progressQ
import gi
gi.require_version("GLib", "2.0")
gi.require_version("Gio", "2.0")
from gi.repository import GLib
from gi.repository import Gio
from blivet.size import Size
from blivet.util import umount
import logging
log = logging.getLogger("anaconda")
from pyanaconda.packaging import ArchivePayload, PayloadInstallError
import pyanaconda.errors as errors
class RPMOSTreePayload(ArchivePayload):
""" A RPMOSTreePayload deploys a tree (possibly with layered packages) onto the target system. """
def __init__(self, data):
super(RPMOSTreePayload, self).__init__(data)
self._remoteOptions = None
self._internal_mounts = []
@property
def handlesBootloaderConfiguration(self):
return True
@property
def kernelVersionList(self):
# OSTree handles bootloader configuration
return []
@property
def spaceRequired(self):
# We don't have this data with OSTree at the moment
return Size("500 MB")
def _safeExecWithRedirect(self, cmd, argv, **kwargs):
"""Like iutil.execWithRedirect, but treat errors as fatal"""
rc = iutil.execWithRedirect(cmd, argv, **kwargs)
if rc != 0:
exn = PayloadInstallError("%s %s exited with code %d" % (cmd, argv, rc))
if errors.errorHandler.cb(exn) == errors.ERROR_RAISE:
raise exn
def _pullProgressCb(self, asyncProgress):
status = asyncProgress.get_status()
outstanding_fetches = asyncProgress.get_uint('outstanding-fetches')
if status:
progressQ.send_message(status)
elif outstanding_fetches > 0:
bytes_transferred = asyncProgress.get_uint64('bytes-transferred')
fetched = asyncProgress.get_uint('fetched')
requested = asyncProgress.get_uint('requested')
formatted_bytes = GLib.format_size_full(bytes_transferred, 0)
if requested == 0:
percent = 0.0
else:
percent = (fetched*1.0 / requested) * 100
progressQ.send_message("Receiving objects: %d%% (%d/%d) %s" % (percent, fetched, requested, formatted_bytes))
else:
progressQ.send_message("Writing objects")
def _copyBootloaderData(self):
# Copy bootloader data files from the deployment
# checkout to the target root. See
# https://bugzilla.gnome.org/show_bug.cgi?id=726757 This
# happens once, at installation time.
# extlinux ships its modules directly in the RPM in /boot.
# For GRUB2, Anaconda installs device.map there. We may need
# to add other bootloaders here though (if they can't easily
# be fixed to *copy* data into /boot at install time, instead
# of shipping it in the RPM).
physboot = iutil.getTargetPhysicalRoot() + '/boot'
ostree_boot_source = iutil.getSysroot() + '/usr/lib/ostree-boot'
if not os.path.isdir(ostree_boot_source):
ostree_boot_source = iutil.getSysroot() + '/boot'
for fname in os.listdir(ostree_boot_source):
srcpath = os.path.join(ostree_boot_source, fname)
destpath = os.path.join(physboot, fname)
# We're only copying directories
if not os.path.isdir(srcpath):
continue
# Special handling for EFI, as it's a mount point that's
# expected to already exist (so if we used copytree, we'd
# traceback). If it doesn't, we're not on a UEFI system,
# so we don't want to copy the data.
if fname == 'efi' and os.path.isdir(destpath):
for subname in os.listdir(srcpath):
sub_srcpath = os.path.join(srcpath, subname)
sub_destpath = os.path.join(destpath, subname)
self._safeExecWithRedirect('cp', ['-r', '-p', sub_srcpath, sub_destpath])
else:
log.info("Copying bootloader data: " + fname)
self._safeExecWithRedirect('cp', ['-r', '-p', srcpath, destpath])
def install(self):
mainctx = GLib.MainContext.new()
mainctx.push_thread_default()
cancellable = None
gi.require_version("OSTree", "1.0")
from gi.repository import OSTree
ostreesetup = self.data.ostreesetup
log.info("executing ostreesetup=%r", ostreesetup)
# Initialize the filesystem - this will create the repo as well
self._safeExecWithRedirect("ostree",
["admin", "--sysroot=" + iutil.getTargetPhysicalRoot(),
"init-fs", iutil.getTargetPhysicalRoot()])
# Here, we use the physical root as sysroot, because we haven't
# yet made a deployment.
sysroot_file = Gio.File.new_for_path(iutil.getTargetPhysicalRoot())
sysroot = OSTree.Sysroot.new(sysroot_file)
sysroot.load(cancellable)
repo = sysroot.get_repo(None)[1]
# We don't support resuming from interrupted installs
repo.set_disable_fsync(True)
self._remoteOptions = {}
if hasattr(ostreesetup, 'nogpg') and ostreesetup.nogpg:
self._remoteOptions['gpg-verify'] = GLib.Variant('b', False)
if flags.noverifyssl:
self._remoteOptions['tls-permissive'] = GLib.Variant('b', True)
repo.remote_change(None, OSTree.RepoRemoteChange.ADD_IF_NOT_EXISTS,
ostreesetup.remote, ostreesetup.url,
GLib.Variant('a{sv}', self._remoteOptions),
cancellable)
progressQ.send_message(_("Starting pull of %(branchName)s from %(source)s") % \
{"branchName": ostreesetup.ref, "source": ostreesetup.remote})
progress = OSTree.AsyncProgress.new()
progress.connect('changed', self._pullProgressCb)
try:
repo.pull(ostreesetup.remote, [ostreesetup.ref], 0, progress, cancellable)
except GLib.GError as e:
exn = PayloadInstallError("Failed to pull from repository: %s" % e)
log.error(str(exn))
if errors.errorHandler.cb(exn) == errors.ERROR_RAISE:
progressQ.send_quit(1)
iutil.ipmi_abort(scripts=self.data.scripts)
sys.exit(1)
progressQ.send_message(_("Preparing deployment of %s") % (ostreesetup.ref, ))
# Now that we have the data pulled, delete the remote for now.
# This will allow a remote configuration defined in the tree
# (if any) to override what's in the kickstart. Otherwise,
# we'll re-add it in post. Ideally, ostree would support a
# pull without adding a remote, but that would get quite
# complex.
repo.remote_delete(self.data.ostreesetup.remote, None)
self._safeExecWithRedirect("ostree",
["admin", "--sysroot=" + iutil.getTargetPhysicalRoot(),
"os-init", ostreesetup.osname])
admin_deploy_args = ["admin", "--sysroot=" + iutil.getTargetPhysicalRoot(),
"deploy", "--os=" + ostreesetup.osname]
admin_deploy_args.append(ostreesetup.remote + ':' + ostreesetup.ref)
log.info("ostree admin deploy starting")
progressQ.send_message(_("Deployment starting: %s") % (ostreesetup.ref, ))
self._safeExecWithRedirect("ostree", admin_deploy_args)
log.info("ostree admin deploy complete")
progressQ.send_message(_("Deployment complete: %s") % (ostreesetup.ref, ))
# Reload now that we've deployed, find the path to the new deployment
sysroot.load(None)
deployments = sysroot.get_deployments()
assert len(deployments) > 0
deployment = deployments[0]
deployment_path = sysroot.get_deployment_directory(deployment)
iutil.setSysroot(deployment_path.get_path())
try:
self._copyBootloaderData()
except (OSError, RuntimeError) as e:
exn = PayloadInstallError("Failed to copy bootloader data: %s" % e)
log.error(str(exn))
if errors.errorHandler.cb(exn) == errors.ERROR_RAISE:
progressQ.send_quit(1)
iutil.ipmi_abort(scripts=self.data.scripts)
sys.exit(1)
mainctx.pop_thread_default()
def prepareMountTargets(self, storage):
""" Prepare the ostree root """
ostreesetup = self.data.ostreesetup
varroot = iutil.getTargetPhysicalRoot() + '/ostree/deploy/' + ostreesetup.osname + '/var'
# Set up bind mounts as if we've booted the target system, so
# that %post script work inside the target.
binds = [(varroot, iutil.getSysroot() + '/var'),
(iutil.getSysroot() + '/usr', None),
(iutil.getTargetPhysicalRoot(), iutil.getSysroot() + "/sysroot"),
(iutil.getTargetPhysicalRoot() + "/boot", iutil.getSysroot() + "/boot")]
# Bind mount filesystems from /mnt/sysimage to the ostree root; perhaps
# in the future consider `mount --move` to make the output of `findmnt`
# not induce blindness.
for path in ["/dev", "/proc", "/run", "/sys"]:
binds += [(iutil.getTargetPhysicalRoot()+path, iutil.getSysroot()+path)]
for (src, dest) in binds:
is_ro_bind = dest is None
if is_ro_bind:
self._safeExecWithRedirect("mount",
["--bind", src, src])
self._safeExecWithRedirect("mount",
["--bind", "-o", "remount,ro", src, src])
else:
# Recurse for non-ro binds so we pick up sub-mounts
# like /sys/firmware/efi/efivars.
self._safeExecWithRedirect("mount",
["--rbind", src, dest])
self._internal_mounts.append(src if is_ro_bind else dest)
# Now, ensure that all other potential mount point directories such as
# (/home) are created. We run through the full tmpfiles here in order
# to also allow Anaconda and %post scripts to write to directories like
# /root. We don't iterate *all* tmpfiles because we don't have the
# matching NSS configuration inside Anaconda, and we can't "chroot" to
# get it because that would require mounting the API filesystems in the
# target.
for varsubdir in ('home', 'roothome', 'lib/rpm', 'opt', 'srv',
'usrlocal', 'mnt', 'media', 'spool/mail'):
self._safeExecWithRedirect("systemd-tmpfiles",
["--create", "--boot", "--root=" + iutil.getSysroot(),
"--prefix=/var/" + varsubdir])
def unsetup(self):
super(RPMOSTreePayload, self).unsetup()
for mount in reversed(self._internal_mounts):
try:
umount(mount)
except CalledProcessError as e:
log.debug("unmounting %s failed: %s", mount, str(e))
def recreateInitrds(self):
# For rpmostree payloads, we're replicating an initramfs from
# a compose server, and should never be regenerating them
# per-machine.
pass
def postInstall(self):
super(RPMOSTreePayload, self).postInstall()
gi.require_version("OSTree", "1.0")
from gi.repository import OSTree
cancellable = None
# Following up on the "remote delete" above, we removed the
# remote from /ostree/repo/config. But we want it in /etc, so
# re-add it to /etc/ostree/remotes.d, using the sysroot path.
#
# However, we ignore the case where the remote already exists,
# which occurs when the content itself provides the remote
# config file.
# Note here we use the deployment as sysroot, because it's
# that version of /etc that we want.
sysroot_file = Gio.File.new_for_path(iutil.getSysroot())
sysroot = OSTree.Sysroot.new(sysroot_file)
sysroot.load(cancellable)
repo = sysroot.get_repo(None)[1]
repo.remote_change(sysroot_file,
OSTree.RepoRemoteChange.ADD_IF_NOT_EXISTS,
self.data.ostreesetup.remote, self.data.ostreesetup.url,
GLib.Variant('a{sv}', self._remoteOptions),
cancellable)
boot = iutil.getSysroot() + '/boot'
# If we're using GRUB2, move its config file, also with a
# compatibility symlink.
boot_grub2_cfg = boot + '/grub2/grub.cfg'
if os.path.isfile(boot_grub2_cfg):
boot_loader = boot + '/loader'
target_grub_cfg = boot_loader + '/grub.cfg'
log.info("Moving %s -> %s", boot_grub2_cfg, target_grub_cfg)
os.rename(boot_grub2_cfg, target_grub_cfg)
os.symlink('../loader/grub.cfg', boot_grub2_cfg)
# Skip kernel args setup for dirinstall, there is no bootloader or rootDevice setup.
if not flags.dirInstall:
# OSTree owns the bootloader configuration, so here we give it
# the argument list we computed from storage, architecture and
# such.
set_kargs_args = ["admin", "instutil", "set-kargs"]
set_kargs_args.extend(self.storage.bootloader.boot_args)
set_kargs_args.append("root=" + self.storage.root_device.fstab_spec)
self._safeExecWithRedirect("ostree", set_kargs_args, root=iutil.getSysroot())
def writeStorageEarly(self):
pass